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Gregory Salaun
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# SatMaster — F4BPO Satellite Tracker
Amateur satellite tracking application with Doppler correction for FlexRadio 8600 and rotor control via PstRotator.
**Stack:** Go + Wails v2 + Svelte
**Platform:** Windows (primary), Linux/macOS (compilable)
---
## Features
- 🗺️ **World map** — real-time satellite positions on Leaflet dark map, footprint overlay
- 📡 **Polar plot** — az/el pass track with AOS/LOS markers, current position animation
- 🕐 **Pass prediction** — 24h upcoming passes, Max El, duration, quality rating
- 📻 **Doppler correction** — automatic TX/RX frequency correction via FlexRadio 8600 TCP API
- 🔄 **Rotor control** — Az/El commands to PstRotator via UDP XML protocol
- 🛰️ **TLE management** — auto-fetch from tle.oscarwatch.org with local cache fallback
---
## Architecture
```
SatMaster/
├── main.go # Wails entry point
├── app.go # App struct, Wails bindings, position loop
├── wails.json # Wails project config
│
├── backend/
│ ├── tle/
│ │ └── manager.go # TLE fetch (oscarwatch.org), cache, parse, lookup
│ │
│ ├── propagator/
│ │ └── engine.go # SGP4 propagation, az/el, pass prediction
│ │
│ ├── doppler/
│ │ └── calculator.go # Doppler shift computation (range rate → Hz correction)
│ │
│ ├── flexradio/
│ │ └── client.go # FlexRadio SmartSDR TCP API (port 4992)
│ │
│ └── rotor/
│ └── pstrotator.go # PstRotator UDP XML protocol (port 12000)
│
└── frontend/src/
├── App.svelte # Root layout, Wails event subscriptions
├── stores/satstore.js # Svelte stores for all app state
├── lib/
│ ├── wails.js # Wails Go call bridge + dev stubs
│ └── utils.js # Formatting helpers (freq, az, el, etc.)
└── components/
├── StatusBar.svelte # Top bar: clock, sat data, Doppler, connections
├── SatSelector.svelte # Left sidebar: search + quick-select + full list
├── WorldMap.svelte # Leaflet map with sat markers + footprints
├── PolarPlot.svelte # SVG polar az/el plot
├── PassesPanel.svelte # Pass list + detail + embedded polar plot
└── SettingsPanel.svelte # QTH, frequencies, FlexRadio, rotor, TLE
```
---
## Prerequisites
```bash
# Go 1.21+
# Node.js 18+
# Wails v2
go install github.com/wailsapp/wails/v2/cmd/wails@latest
# Verify
wails doctor
```
---
## Setup & Build
```bash
# 1. Clone / copy project
cd SatMaster
# 2. Download Go dependencies
go mod tidy
# 3. Install frontend deps
cd frontend && npm install && cd ..
# 4. Development mode (hot reload)
wails dev
# 5. Production build (single .exe)
wails build
# → build/bin/SatMaster.exe
```
---
## FlexRadio 8600 — Protocol Notes
SatMaster uses the SmartSDR **TCP API** on port **4992**.
Commands sent:
```
C1|slice set 0 freq=145.800000 # Set RX frequency (MHz)
C2|transmit set freq=145.200000 # Set TX frequency (MHz)
```
- Connect: Settings → FlexRadio 8600 → enter IP → Connect
- The active slice index is 0 (Slice A) by default
- Doppler correction fires every second during active tracking
- Dead-band: updates only sent when shift exceeds ~10 Hz
---
## PstRotator — Protocol Notes
SatMaster sends **UDP XML** to PstRotator on port **12000** (default).
```xml
<PST><CMD>SET</CMD><AZ>180.0</AZ><EL>45.0</EL></PST>
```
- Configure in PstRotator: Setup → UDP Server → Port 12000
- Dead-band: 0.5° Az and El to prevent rotor hunting
- Elevation is clamped to [0°, 90°] — no negative elevation commands sent
---
## TLE Data
- **Primary source:** `https://tle.oscarwatch.org/nasabare.txt`
- **Fallback:** Celestrak SOCRATES
- **Cache:** `%LOCALAPPDATA%\SatMaster\satmaster_tle_cache.txt` (Windows)
- **Bundled fallback:** ISS, AO-7, AO-27, SO-50 (always available)
- TLE age shown in status bar; highlighted orange if > 48h
---
## Pass Prediction
- Step: 10s (30s when satellite below -15° elevation)
- AOS/LOS bisection precision: 1 second
- Horizon: passes below 5° Max El are filtered from the list
- 24-hour prediction window
---
## Doppler Formula
```
f_corrected_down = f_nominal × (1 - v_range / c)
f_corrected_up = f_nominal / (1 - v_range / c)
where:
v_range = range rate in km/s (+ = receding, - = approaching)
c = 299792.458 km/s
```
---
## Keyboard Shortcuts
| Key | Action |
|-----|--------|
| `M` | Switch to Map tab |
| `P` | Switch to Passes tab |
| `S` | Switch to Settings tab |
---
## Adding More Satellites
The app loads all satellites from the TLE feed (~2000+ amateur sats from OscarWatch).
Use the search box in the satellite selector to find any satellite by name or NORAD catalog number.
Common amateur satellites available:
- ISS (ZARYA) — 145.800 MHz FM voice
- AO-7 — 145.975 MHz / 29.502 MHz linear transponder
- AO-27 — 145.850 MHz FM
- SO-50 — 436.795 MHz FM
- RS-44 — 435.640 MHz / 145.935 MHz linear
- PO-101 (Diwata-2) — 437.500 MHz FM
- XW-2A/B/C/D — CW/linear transponders
- CAS-4A/B — linear transponders
---
## Future Enhancements
- [ ] Ground track on world map (lat/lon per pass point)
- [ ] Multiple satellite tracking (split-screen polar)
- [ ] Audio squelch mute between passes
- [ ] Log4OM integration for contact logging
- [ ] Satellite database with nominal frequencies auto-loaded
- [ ] AOS/LOS audio alert
- [ ] Export pass schedule to CSV/PDF

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package main
import (
"context"
"log"
"time"
"SatMaster/backend/doppler"
"SatMaster/backend/flexradio"
"SatMaster/backend/propagator"
"SatMaster/backend/rotor"
"SatMaster/backend/tle"
"github.com/wailsapp/wails/v2/pkg/runtime"
)
// App holds all subsystems and is the Wails binding target.
type App struct {
dopplerEnabled bool
rotorEnabled bool
rotorAzOnly bool
trackFreqMode bool // Track freq+mode for current sat
trackAzimuth bool // Track azimuth for current sat
savedRxSlice int
savedTxSlice int
ctx context.Context
tleManager *tle.Manager
propagator *propagator.Engine
flexRadio *flexradio.Client
rotorClient *rotor.PstRotatorClient
dopplerCalc *doppler.Calculator
// Tracking state
trackedSat string
trackingOn bool
cancelTrack context.CancelFunc
watchlist []string
}
func NewApp() *App {
return &App{
dopplerEnabled: true,
rotorEnabled: true,
rotorAzOnly: true,
trackFreqMode: false,
trackAzimuth: false,
savedRxSlice: 0, // defaults — overridden by SetSliceConfig from Settings on connect
savedTxSlice: 1,
tleManager: tle.NewManager(),
propagator: propagator.NewEngine(),
flexRadio: flexradio.NewClient(),
rotorClient: rotor.NewPstRotatorClient(),
dopplerCalc: doppler.NewCalculator(),
watchlist: []string{"ISS (ZARYA)", "AO-7", "AO-27", "SO-50", "RS-44", "AO-91", "FO-29"},
}
}
func (a *App) startup(ctx context.Context) {
a.ctx = ctx
log.Println("[SatMaster] Startup")
// Load TLEs on startup (try remote, fallback local)
go func() {
if err := a.tleManager.FetchAndCache(); err != nil {
log.Printf("[TLE] Remote fetch failed: %v — loading local cache", err)
a.tleManager.LoadLocal()
}
runtime.EventsEmit(ctx, "tle:loaded", a.tleManager.SatelliteNames())
// Immediately emit positions after TLE load
allSats := a.tleManager.All()
log.Printf("[TLE] Loaded %d satellites, watchlist=%v", len(allSats), a.watchlist)
var initSats []*tle.Satellite
for _, name := range a.watchlist {
if s := a.tleManager.Get(name); s != nil {
initSats = append(initSats, s)
}
}
if len(initSats) == 0 {
log.Printf("[TLE] Watchlist resolved 0 sats, using all %d", len(allSats))
initSats = allSats
} else {
log.Printf("[TLE] Watchlist resolved %d sats", len(initSats))
}
if positions := a.propagator.AllPositions(initSats, time.Now()); len(positions) > 0 {
log.Printf("[TLE] Emitting %d initial positions", len(positions))
runtime.EventsEmit(ctx, "sat:positions", positions)
}
}()
// Emit position updates every second (filtered by watchlist)
go a.positionLoop(ctx)
}
func (a *App) shutdown(ctx context.Context) {
a.StopTracking()
a.flexRadio.Disconnect()
}
// positionLoop emits sat positions to frontend every second.
func (a *App) positionLoop(ctx context.Context) {
ticker := time.NewTicker(1 * time.Second)
defer ticker.Stop()
for {
select {
case <-ctx.Done():
return
case <-ticker.C:
// Build sat list from watchlist; fall back to all if empty/unresolved
allSats := a.tleManager.All()
var sats []*tle.Satellite
for _, name := range a.watchlist {
if s := a.tleManager.Get(name); s != nil {
sats = append(sats, s)
}
}
if len(sats) == 0 {
sats = allSats
}
positions := a.propagator.AllPositions(sats, time.Now())
log.Printf("[Loop] watchlist=%d resolved=%d positions=%d", len(a.watchlist), len(sats), len(positions))
runtime.EventsEmit(ctx, "sat:positions", positions)
// If tracking active, update doppler + rotor
if a.trackingOn && a.trackedSat != "" {
a.updateTracking()
}
}
}
}
func (a *App) updateTracking() {
sat := a.tleManager.Get(a.trackedSat)
if sat == nil {
return
}
now := time.Now()
pos := a.propagator.Position(sat, now)
if pos == nil {
return
}
obs := a.propagator.ObserverPosition()
// Doppler: only when globally enabled AND tracking enabled for this sat AND el >= 0
if a.flexRadio.IsConnected() && pos.Elevation >= 0 && a.dopplerEnabled && a.trackFreqMode {
upFreq, downFreq := a.dopplerCalc.Correct(pos, obs, now)
if err := a.flexRadio.SetFrequency(downFreq, upFreq); err != nil {
log.Printf("[Doppler] SetFrequency error: %v", err)
}
}
// Rotor: only when globally enabled AND tracking enabled for this sat AND el >= 0
if a.rotorClient.IsConnected() && a.rotorEnabled && a.trackAzimuth && pos.Elevation >= 0 {
var rotErr error
if a.rotorAzOnly {
rotErr = a.rotorClient.SetAzOnly(pos.Azimuth)
} else {
rotErr = a.rotorClient.SetAzEl(pos.Azimuth, pos.Elevation)
}
if rotErr != nil {
log.Printf("[Rotor] error: %v", rotErr)
}
}
}
// ─── Wails-exposed methods ──────────────────────────────────────────────────
// GetSatelliteList returns all satellite names from loaded TLEs.
func (a *App) GetSatelliteList() []string {
return a.tleManager.SatelliteNames()
}
// GetPasses returns upcoming passes for a satellite over the next 24h.
func (a *App) GetPasses(satName string, hours float64) []propagator.Pass {
sat := a.tleManager.Get(satName)
if sat == nil {
return nil
}
return a.propagator.ComputePasses(sat, time.Now(), hours)
}
// GetCurrentPosition returns az/el/lat/lon for a satellite right now.
func (a *App) GetCurrentPosition(satName string) *propagator.SatPosition {
sat := a.tleManager.Get(satName)
if sat == nil {
return nil
}
return a.propagator.Position(sat, time.Now())
}
// SetObserverLocation sets the QTH for pass prediction and Doppler.
func (a *App) SetObserverLocation(lat, lon, altM float64) {
a.propagator.SetObserver(lat, lon, altM)
a.dopplerCalc.SetObserver(lat, lon, altM)
}
// SetSatelliteFrequencies configures nominal uplink/downlink for Doppler.
func (a *App) SetSatelliteFrequencies(downHz, upHz float64) {
a.dopplerCalc.SetNominal(downHz, upHz)
}
// SetSatelliteMode sets the FlexRadio slice mode for satellite operation.
// Called automatically when a frequency is selected in the frontend.
func (a *App) SetSatelliteMode(mode string) {
if !a.flexRadio.IsConnected() {
return
}
flexMode := flexradio.SatModeToFlex(mode)
if err := a.flexRadio.SetMode(flexMode); err != nil {
log.Printf("[FlexRadio] SetMode error: %v", err)
}
}
// StartTracking begins active tracking of a satellite.
func (a *App) StartTracking(satName string) string {
sat := a.tleManager.Get(satName)
if sat == nil {
return "Satellite not found: " + satName
}
// Reset per-satellite tracking toggles on satellite change
if a.trackedSat != satName {
a.trackFreqMode = false
a.trackAzimuth = false
}
a.trackedSat = satName
a.trackingOn = true
log.Printf("[Tracking] Started: %s", satName)
return "OK"
}
// StopTracking stops active tracking.
func (a *App) StopTracking() {
a.trackingOn = false
a.trackedSat = ""
if a.cancelTrack != nil {
a.cancelTrack()
}
}
// ConnectFlexRadio connects to the FlexRadio 8600 SmartSDR TCP API.
func (a *App) ConnectFlexRadio(host string, port int) string {
if err := a.flexRadio.Connect(host, port); err != nil {
return "Error: " + err.Error()
}
// Restore saved slice config and query slices
go func() {
time.Sleep(800 * time.Millisecond)
a.flexRadio.SetSlices(a.savedRxSlice, a.savedTxSlice)
a.flexRadio.QuerySlices()
}()
return "OK"
}
// DisconnectFlexRadio closes the FlexRadio connection.
func (a *App) DisconnectFlexRadio() {
a.flexRadio.Disconnect()
}
// ConnectRotor connects to PstRotator UDP.
func (a *App) ConnectRotor(host string, port int) string {
if err := a.rotorClient.Connect(host, port); err != nil {
return "Error: " + err.Error()
}
return "OK"
}
// DisconnectRotor closes the PstRotator connection.
func (a *App) DisconnectRotor() {
a.rotorClient.Disconnect()
}
// RefreshTLE forces a re-fetch of TLE data.
func (a *App) RefreshTLE() string {
if err := a.tleManager.FetchAndCache(); err != nil {
return "Error: " + err.Error()
}
runtime.EventsEmit(a.ctx, "tle:loaded", a.tleManager.SatelliteNames())
return "OK"
}
// SetRotorAzOnly sets azimuth-only mode (true) or az+el mode (false).
func (a *App) SetRotorAzOnly(azOnly bool) {
a.rotorAzOnly = azOnly
mode := "Az+El"
if azOnly {
mode = "Az only"
}
log.Printf("[Rotor] mode: %s", mode)
}
// SetRotorEnabled enables or disables rotator tracking.
func (a *App) SetRotorEnabled(enabled bool) {
a.rotorEnabled = enabled
log.Printf("[Rotor] tracking %s", map[bool]string{true: "enabled", false: "disabled"}[enabled])
}
// GetRotorEnabled returns current rotator tracking state.
func (a *App) GetRotorEnabled() bool {
return a.rotorEnabled
}
// SetTrackFreqMode enables/disables frequency+mode tracking for current satellite.
func (a *App) SetTrackFreqMode(enabled bool) {
a.trackFreqMode = enabled
// Reset dead-band so freq is sent immediately when tracking starts
if enabled {
a.flexRadio.ResetDeadband()
}
log.Printf("[Doppler] Freq/Mode tracking: %v", enabled)
}
// SetTrackAzimuth enables/disables azimuth tracking for current satellite.
func (a *App) SetTrackAzimuth(enabled bool) {
a.trackAzimuth = enabled
// Reset rotor dead-band so it moves immediately
if enabled {
a.rotorClient.ResetDeadband()
}
log.Printf("[Rotor] Azimuth tracking: %v", enabled)
}
// SetDopplerEnabled enables or disables Doppler correction.
func (a *App) SetDopplerEnabled(enabled bool) {
a.dopplerEnabled = enabled
log.Printf("[Doppler] %s", map[bool]string{true: "enabled", false: "disabled"}[enabled])
}
// GetDopplerEnabled returns current Doppler state.
func (a *App) GetDopplerEnabled() bool {
return a.dopplerEnabled
}
// GetFlexRadioStatus returns connection status.
func (a *App) GetFlexRadioStatus() bool {
return a.flexRadio.IsConnected()
}
// GetSliceConfig returns current RX/TX slice indices.
func (a *App) GetSliceConfig() map[string]int {
rx, tx := a.flexRadio.GetSlices()
return map[string]int{"rx": rx, "tx": tx}
}
// SetSliceConfig sets RX and TX slice indices (0=A, 1=B, ...).
func (a *App) SetSliceConfig(rxIdx, txIdx int) {
a.savedRxSlice = rxIdx
a.savedTxSlice = txIdx
a.flexRadio.SetSlices(rxIdx, txIdx)
log.Printf("[FlexRadio] Slice config saved: RX=%d TX=%d", rxIdx, txIdx)
}
// GetRotorStatus returns connection status.
func (a *App) GetRotorStatus() bool {
return a.rotorClient.IsConnected()
}
// GetTLEAge returns the age of the TLE cache in hours.
func (a *App) GetTLEAge() float64 {
return a.tleManager.AgeHours()
}
// GetGroundtrack returns lat/lon points for the next N minutes of orbit.
func (a *App) GetGroundtrack(satName string, minutes float64) []propagator.GroundtrackPoint {
sat := a.tleManager.Get(satName)
if sat == nil {
return nil
}
return a.propagator.ComputeGroundtrack(sat, time.Now(), minutes)
}
// GetWatchlist returns the current list of satellites to display on map.
func (a *App) GetWatchlist() []string {
return a.watchlist
}
// SetWatchlist sets which satellites to display on the map.
func (a *App) SetWatchlist(names []string) {
a.watchlist = names
}

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package doppler
import (
"fmt"
"math"
"sync"
"time"
"SatMaster/backend/propagator"
)
const (
SpeedOfLight = 299792.458 // km/s
)
// Calculator computes Doppler-shifted frequencies.
type Calculator struct {
mu sync.RWMutex
nominalDown float64 // Hz
nominalUp float64 // Hz
obsLat float64
obsLon float64
obsAlt float64
}
func NewCalculator() *Calculator {
return &Calculator{}
}
func (c *Calculator) SetObserver(lat, lon, altM float64) {
c.mu.Lock()
defer c.mu.Unlock()
c.obsLat = lat
c.obsLon = lon
c.obsAlt = altM
}
func (c *Calculator) SetNominal(downHz, upHz float64) {
c.mu.Lock()
defer c.mu.Unlock()
c.nominalDown = downHz
c.nominalUp = upHz
}
// Correct computes Doppler-corrected downlink and uplink frequencies.
// Returns (downlinkHz, uplinkHz).
func (c *Calculator) Correct(pos *propagator.SatPosition, obs propagator.Observer, _ time.Time) (float64, float64) {
c.mu.RLock()
nomDown := c.nominalDown
nomUp := c.nominalUp
c.mu.RUnlock()
if nomDown == 0 && nomUp == 0 {
return 0, 0
}
if pos == nil {
return nomDown, nomUp
}
// Range rate in km/s (positive = receding, negative = approaching)
rr := pos.RangeRate
// Doppler factor: f_received = f_nominal * (1 - v/c)
// For downlink: satellite is the transmitter
dopplerFactor := 1.0 - rr/SpeedOfLight
correctedDown := nomDown * dopplerFactor
// For uplink: we pre-correct in reverse so the satellite receives nominal
correctedUp := nomUp / dopplerFactor
return correctedDown, correctedUp
}
// ShiftHz returns the Doppler shift in Hz for a given nominal frequency.
func ShiftHz(nominalHz, rangeRateKmS float64) float64 {
return nominalHz * (-rangeRateKmS / SpeedOfLight)
}
// RangeRateFromPositions computes range rate from two consecutive positions.
func RangeRateFromPositions(prev, curr *propagator.SatPosition, dt float64) float64 {
prevRange := prev.Range
currRange := curr.Range
return (currRange - prevRange) / dt
}
// FormatShift formats a Doppler shift in Hz for display.
func FormatShift(shiftHz float64) string {
if math.Abs(shiftHz) >= 1000 {
return fmt.Sprintf("%+.2f kHz", shiftHz/1000)
}
return fmt.Sprintf("%+.0f Hz", shiftHz)
}

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package flexradio
import (
"bufio"
"fmt"
"log"
"net"
"strings"
"sync"
"sync/atomic"
"time"
)
// Client manages a TCP connection to FlexRadio SmartSDR API.
// For satellite operation:
// - Slice A (index 0) = RX downlink (436 MHz for SO-50)
// - Slice B (index 1) = TX uplink (145 MHz for SO-50)
type Client struct {
mu sync.Mutex
conn net.Conn
scanner *bufio.Scanner
connected atomic.Bool
seqNum uint32
rxSlice int // Slice index for RX (downlink) — default 0 = Slice A
txSlice int // Slice index for TX (uplink) — default 1 = Slice B
lastDownHz float64 // Last sent RX frequency (dead-band)
lastUpHz float64 // Last sent TX frequency (dead-band)
}
func NewClient() *Client {
return &Client{rxSlice: 0, txSlice: 1} // defaults — always overridden by SetSliceConfig on connect
}
// Connect establishes TCP connection to FlexRadio SmartSDR API (port 4992).
func (c *Client) Connect(host string, port int) error {
c.mu.Lock()
defer c.mu.Unlock()
if c.connected.Load() {
c.disconnectLocked()
}
addr := fmt.Sprintf("%s:%d", host, port)
conn, err := net.DialTimeout("tcp", addr, 5*time.Second)
if err != nil {
return fmt.Errorf("connexion FlexRadio %s : %w", addr, err)
}
c.conn = conn
c.scanner = bufio.NewScanner(conn)
c.connected.Store(true)
go c.readLoop()
log.Printf("[FlexRadio] Connecté à %s (RX=Slice %s, TX=Slice %s)",
addr, sliceLetter(c.rxSlice), sliceLetter(c.txSlice))
return nil
}
// Disconnect closes the connection.
func (c *Client) Disconnect() {
c.mu.Lock()
defer c.mu.Unlock()
c.disconnectLocked()
}
func (c *Client) disconnectLocked() {
if c.conn != nil {
c.conn.Close()
c.conn = nil
}
c.connected.Store(false)
log.Println("[FlexRadio] Déconnecté")
}
func (c *Client) IsConnected() bool {
return c.connected.Load()
}
// SetFrequency applies Doppler-corrected frequencies to both slices.
// downHz = corrected RX frequency → rxSlice (default Slice A)
// upHz = corrected TX frequency → txSlice (default Slice B)
// Only sends command if frequency changed by more than 1 Hz (dead-band)
func (c *Client) SetFrequency(downHz, upHz float64) error {
if !c.connected.Load() {
return fmt.Errorf("non connecté")
}
var errs []error
// RX downlink — use "slice t" (tune) command
if downHz > 0 {
downMHz := downHz / 1e6
if abs(downHz-c.lastDownHz) >= 1.0 { // 1 Hz dead-band
cmd := fmt.Sprintf("slice t %d %.6f", c.rxSlice, downMHz)
if err := c.sendCommand(cmd); err != nil {
errs = append(errs, err)
} else {
c.lastDownHz = downHz
}
}
}
// TX uplink — use "slice t" (tune) command
if upHz > 0 {
upMHz := upHz / 1e6
if abs(upHz-c.lastUpHz) >= 1.0 {
cmd := fmt.Sprintf("slice t %d %.6f", c.txSlice, upMHz)
if err := c.sendCommand(cmd); err != nil {
errs = append(errs, err)
} else {
c.lastUpHz = upHz
}
}
}
if len(errs) > 0 {
return fmt.Errorf("FlexRadio SetFrequency: %v", errs)
}
return nil
}
// ResetDeadband forces next frequency command to be sent regardless of change.
func (c *Client) ResetDeadband() {
c.lastDownHz = 0
c.lastUpHz = 0
}
func abs(x float64) float64 {
if x < 0 {
return -x
}
return x
}
// SetSlices configures which slice indices to use for RX and TX.
// Default: rx=0 (Slice A), tx=1 (Slice B)
func (c *Client) SetSlices(rxIdx, txIdx int) {
c.mu.Lock()
defer c.mu.Unlock()
c.rxSlice = rxIdx
c.txSlice = txIdx
log.Printf("[FlexRadio] Slices configurées: RX=Slice %s, TX=Slice %s",
sliceLetter(rxIdx), sliceLetter(txIdx))
}
// GetSlices returns current RX and TX slice indices.
func (c *Client) GetSlices() (rx, tx int) {
return c.rxSlice, c.txSlice
}
// QuerySlices sends a slice list request to discover available slices.
func (c *Client) QuerySlices() error {
return c.sendCommand("slice list")
}
// SetMode sets the demodulation mode on RX and/or TX slices.
// mode: "usb", "lsb", "cw", "am", "sam", "fm", "nfm", "dfm", "digl", "digu", "rtty"
// For satellite: RX and TX usually have the same mode (FM for FM sats, LSB/USB for linear)
func (c *Client) SetMode(mode string) error {
if !c.connected.Load() {
return fmt.Errorf("not connected")
}
mode = strings.ToLower(strings.TrimSpace(mode))
var errs []error
// Set mode on RX slice
if err := c.sendCommand(fmt.Sprintf("slice s %d mode=%s", c.rxSlice, mode)); err != nil {
errs = append(errs, fmt.Errorf("RX mode: %w", err))
}
// Set mode on TX slice (same mode for satellite split operation)
if err := c.sendCommand(fmt.Sprintf("slice s %d mode=%s", c.txSlice, mode)); err != nil {
errs = append(errs, fmt.Errorf("TX mode: %w", err))
}
if len(errs) > 0 {
return fmt.Errorf("SetMode: %v", errs)
}
log.Printf("[FlexRadio] Mode set to %s on slices %s/%s",
strings.ToUpper(mode), sliceLetter(c.rxSlice), sliceLetter(c.txSlice))
return nil
}
// SatModeToFlex converts a satellite DB mode string to FlexRadio mode.
// FM satellites use "fm", linear transponders use "lsb" or "usb".
func SatModeToFlex(satMode string) string {
switch strings.ToUpper(strings.TrimSpace(satMode)) {
case "FM", "NFM":
return "fm"
case "LSB":
return "lsb"
case "USB":
return "usb"
case "CW", "CW/DATA":
return "cw"
case "APRS", "DATA", "DIGI":
return "digl"
case "AM":
return "am"
default:
return "usb" // safe default
}
}
func (c *Client) sendCommand(cmd string) error {
c.mu.Lock()
defer c.mu.Unlock()
if c.conn == nil {
return fmt.Errorf("non connecté")
}
seq := atomic.AddUint32(&c.seqNum, 1)
line := fmt.Sprintf("C%d|%s\n", seq, cmd)
c.conn.SetWriteDeadline(time.Now().Add(2 * time.Second))
_, err := fmt.Fprint(c.conn, line)
if err != nil {
c.connected.Store(false)
return fmt.Errorf("envoi commande: %w", err)
}
log.Printf("[FlexRadio] → %s", strings.TrimSpace(line))
return nil
}
func (c *Client) readLoop() {
for c.scanner.Scan() {
line := c.scanner.Text()
// Log ALL responses for debugging
log.Printf("[FlexRadio] ← %s", line)
}
c.connected.Store(false)
log.Println("[FlexRadio] Disconnected")
}
func sliceLetter(idx int) string {
letters := []string{"A", "B", "C", "D", "E", "F", "G", "H"}
if idx < len(letters) {
return letters[idx]
}
return fmt.Sprintf("%d", idx)
}

337
backend/propagator/engine.go Normal file
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package propagator
import (
"fmt"
"math"
"sort"
"sync"
"time"
"SatMaster/backend/tle"
"github.com/akhenakh/sgp4"
)
const (
EarthRadius = 6371.0 // km
RadToDeg = 180.0 / math.Pi
)
// SatPosition holds the computed position of a satellite at a given moment.
type SatPosition struct {
Name string `json:"name"`
Latitude float64 `json:"lat"`
Longitude float64 `json:"lon"`
Altitude float64 `json:"alt"` // km
Azimuth float64 `json:"az"` // degrees 0=N
Elevation float64 `json:"el"` // degrees above horizon
Range float64 `json:"range"` // km from observer
RangeRate float64 `json:"rangeRate"` // km/s positive=receding
Footprint float64 `json:"footprint"` // km radius on ground
}
// Pass represents one overhead pass of a satellite.
type Pass struct {
SatName string `json:"satName"`
AOS time.Time `json:"aos"`
LOS time.Time `json:"los"`
MaxEl float64 `json:"maxEl"`
MaxElTime time.Time `json:"maxElTime"`
AosAz float64 `json:"aosAz"`
LosAz float64 `json:"losAz"`
MaxElAz float64 `json:"maxElAz"`
Duration float64 `json:"duration"` // seconds
Points []PassPoint `json:"points"`
}
// PassPoint is one az/el sample in a pass track.
type PassPoint struct {
Time time.Time `json:"t"`
Az float64 `json:"az"`
El float64 `json:"el"`
}
// Observer holds the QTH location.
type Observer struct {
Lat float64 // degrees
Lon float64 // degrees
Alt float64 // meters above sea level
}
// Engine propagates satellite positions using SGP4.
type Engine struct {
mu sync.RWMutex
observer Observer
}
func NewEngine() *Engine {
return &Engine{
observer: Observer{Lat: 45.75, Lon: 4.85, Alt: 200}, // Default: Lyon area
}
}
func (e *Engine) SetObserver(lat, lon, altM float64) {
e.mu.Lock()
defer e.mu.Unlock()
e.observer = Observer{Lat: lat, Lon: lon, Alt: altM}
}
func (e *Engine) ObserverPosition() Observer {
e.mu.RLock()
defer e.mu.RUnlock()
return e.observer
}
// Position computes the current position of one satellite.
func (e *Engine) Position(sat *tle.Satellite, t time.Time) *SatPosition {
e.mu.RLock()
obs := e.observer
e.mu.RUnlock()
return computePosition(sat, obs, t)
}
// AllPositions computes positions for all loaded satellites.
func (e *Engine) AllPositions(sats []*tle.Satellite, t time.Time) []SatPosition {
e.mu.RLock()
obs := e.observer
e.mu.RUnlock()
result := make([]SatPosition, 0, len(sats))
for _, sat := range sats {
if pos := computePosition(sat, obs, t); pos != nil {
result = append(result, *pos)
}
}
return result
}
// ComputePasses predicts upcoming passes over `hours` hours.
func (e *Engine) ComputePasses(sat *tle.Satellite, start time.Time, hours float64) []Pass {
e.mu.RLock()
obs := e.observer
e.mu.RUnlock()
var passes []Pass
end := start.Add(time.Duration(float64(time.Hour) * hours))
step := 10 * time.Second
t := start
var inPass bool
var cur *Pass
for t.Before(end) {
pos := computePosition(sat, obs, t)
if pos == nil {
t = t.Add(step)
continue
}
if pos.Elevation > 0 && !inPass {
inPass = true
aosT := bisectAOS(sat, obs, t.Add(-step), t)
aosPos := computePosition(sat, obs, aosT)
if aosPos == nil {
aosPos = pos
}
cur = &Pass{
SatName: sat.Name,
AOS: aosT,
AosAz: aosPos.Azimuth,
Points: []PassPoint{},
}
}
if inPass && cur != nil {
cur.Points = append(cur.Points, PassPoint{Time: t, Az: pos.Azimuth, El: pos.Elevation})
if pos.Elevation > cur.MaxEl {
cur.MaxEl = pos.Elevation
cur.MaxElTime = t
cur.MaxElAz = pos.Azimuth
}
}
if pos.Elevation <= 0 && inPass {
inPass = false
if cur != nil {
losT := bisectLOS(sat, obs, t.Add(-step), t)
losPos := computePosition(sat, obs, losT)
if losPos == nil {
losPos = pos
}
cur.LOS = losT
cur.LosAz = losPos.Azimuth
cur.Duration = losT.Sub(cur.AOS).Seconds()
if cur.MaxEl >= 1.0 {
passes = append(passes, *cur)
}
cur = nil
}
}
if pos.Elevation < -15 {
step = 30 * time.Second
} else {
step = 10 * time.Second
}
t = t.Add(step)
}
sort.Slice(passes, func(i, j int) bool {
return passes[i].AOS.Before(passes[j].AOS)
})
return passes
}
// ─── Core SGP4 computation ────────────────────────────────────────────────────
// parsedTLE caches the orbital elements for a satellite TLE.
// akhenakh/sgp4 ParseTLE accepts the 3-line TLE as a single string.
func makeTLEString(sat *tle.Satellite) string {
return fmt.Sprintf("%s\n%s\n%s", sat.Name, sat.TLE1, sat.TLE2)
}
func computePosition(sat *tle.Satellite, obs Observer, t time.Time) *SatPosition {
// Parse TLE — akhenakh/sgp4 accepts the 3-line block as one string
tleObj, err := sgp4.ParseTLE(makeTLEString(sat))
if err != nil {
return nil
}
// Propagate to time t → ECI state with geodetic fields
eciState, err := tleObj.FindPositionAtTime(t)
if err != nil {
return nil
}
// Convert ECI to geodetic (lat deg, lon deg, alt km)
lat, lon, altKm := eciState.ToGeodetic()
// Build observer location
location := &sgp4.Location{
Latitude: obs.Lat, // degrees
Longitude: obs.Lon, // degrees
Altitude: obs.Alt, // meters
}
// Build state vector for look angle calculation
sv := &sgp4.StateVector{
X: eciState.Position.X,
Y: eciState.Position.Y,
Z: eciState.Position.Z,
VX: eciState.Velocity.X,
VY: eciState.Velocity.Y,
VZ: eciState.Velocity.Z,
}
// GetLookAngle uses eciState.DateTime (the propagated time) not t
observation, err := sv.GetLookAngle(location, eciState.DateTime)
if err != nil {
return nil
}
la := observation.LookAngles
footprint := EarthRadius * math.Acos(EarthRadius/(EarthRadius+altKm))
// Compute range rate by finite difference (2s) - library value is unreliable
rangeRate := finiteRangeRate(tleObj, location, t)
return &SatPosition{
Name: sat.Name,
Latitude: lat,
Longitude: lon,
Altitude: altKm,
Azimuth: la.Azimuth,
Elevation: la.Elevation,
Range: la.Range,
RangeRate: rangeRate,
Footprint: footprint,
}
}
// finiteRangeRate computes range rate (km/s) by finite difference over 2 seconds.
// Positive = satellite receding, negative = approaching.
func finiteRangeRate(tleObj *sgp4.TLE, loc *sgp4.Location, t time.Time) float64 {
dt := 2.0 // seconds
t2 := t.Add(time.Duration(dt * float64(time.Second)))
e1, err1 := tleObj.FindPositionAtTime(t)
e2, err2 := tleObj.FindPositionAtTime(t2)
if err1 != nil || err2 != nil {
return 0
}
sv1 := &sgp4.StateVector{X: e1.Position.X, Y: e1.Position.Y, Z: e1.Position.Z,
VX: e1.Velocity.X, VY: e1.Velocity.Y, VZ: e1.Velocity.Z}
sv2 := &sgp4.StateVector{X: e2.Position.X, Y: e2.Position.Y, Z: e2.Position.Z,
VX: e2.Velocity.X, VY: e2.Velocity.Y, VZ: e2.Velocity.Z}
obs1, err1 := sv1.GetLookAngle(loc, e1.DateTime)
obs2, err2 := sv2.GetLookAngle(loc, e2.DateTime)
if err1 != nil || err2 != nil {
return 0
}
return (obs2.LookAngles.Range - obs1.LookAngles.Range) / dt
}
// bisectAOS finds exact AOS time (precision: 1 second).
func bisectAOS(sat *tle.Satellite, obs Observer, lo, hi time.Time) time.Time {
for hi.Sub(lo) > time.Second {
mid := lo.Add(hi.Sub(lo) / 2)
pos := computePosition(sat, obs, mid)
if pos != nil && pos.Elevation > 0 {
hi = mid
} else {
lo = mid
}
}
return hi
}
// bisectLOS finds exact LOS time (precision: 1 second).
func bisectLOS(sat *tle.Satellite, obs Observer, lo, hi time.Time) time.Time {
for hi.Sub(lo) > time.Second {
mid := lo.Add(hi.Sub(lo) / 2)
pos := computePosition(sat, obs, mid)
if pos != nil && pos.Elevation > 0 {
lo = mid
} else {
hi = mid
}
}
return lo
}
// GroundtrackPoint is a lat/lon position at a given time.
type GroundtrackPoint struct {
Lat float64 `json:"lat"`
Lon float64 `json:"lon"`
Time time.Time `json:"t"`
}
// ComputeGroundtrack returns the future orbit track for the next `minutes` minutes.
// Points every 30 seconds. Handles the antimeridian by splitting segments.
func (e *Engine) ComputeGroundtrack(sat *tle.Satellite, start time.Time, minutes float64) []GroundtrackPoint {
e.mu.RLock()
defer e.mu.RUnlock()
var points []GroundtrackPoint
end := start.Add(time.Duration(float64(time.Minute) * minutes))
step := 30 * time.Second
// Parse TLE once outside the loop for efficiency
tleObj, err := sgp4.ParseTLE(fmt.Sprintf("%s\n%s\n%s", sat.Name, sat.TLE1, sat.TLE2))
if err != nil {
return points
}
for t := start; t.Before(end); t = t.Add(step) {
eciState, err := tleObj.FindPositionAtTime(t)
if err != nil {
continue
}
lat, lon, _ := eciState.ToGeodetic()
points = append(points, GroundtrackPoint{Lat: lat, Lon: lon, Time: t})
}
return points
}

220
backend/rotor/pstrotator.go Normal file
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package rotor
import (
"fmt"
"log"
"math"
"net"
"sync"
"sync/atomic"
"time"
)
// PstRotatorClient controls PstRotator via UDP XML protocol.
// Protocol: send XML to port N, responses come back on port N+1
// Format: <AZIMUTH>180.0</AZIMUTH> or <ELEVATION>45.0</ELEVATION>
// Multiple commands: <AZIMUTH>180.0</AZIMUTH><ELEVATION>45.0</ELEVATION>
type PstRotatorClient struct {
mu sync.Mutex
conn *net.UDPConn
addr *net.UDPAddr
connected atomic.Bool
lastAz float64
lastEl float64
azThreshold float64
elThreshold float64
}
func NewPstRotatorClient() *PstRotatorClient {
return &PstRotatorClient{
azThreshold: 5.0, // 5° dead-band for Az
elThreshold: 5.0,
}
}
func (r *PstRotatorClient) Connect(host string, port int) error {
r.mu.Lock()
defer r.mu.Unlock()
if r.connected.Load() {
r.disconnectLocked()
}
addr, err := net.ResolveUDPAddr("udp", fmt.Sprintf("%s:%d", host, port))
if err != nil {
return fmt.Errorf("resolve UDP addr: %w", err)
}
conn, err := net.DialUDP("udp", nil, addr)
if err != nil {
return fmt.Errorf("UDP connect to PstRotator: %w", err)
}
r.conn = conn
r.addr = addr
r.connected.Store(true)
r.lastAz = -999
r.lastEl = -999
log.Printf("[Rotor] Connected to PstRotator at %s:%d", host, port)
return nil
}
func (r *PstRotatorClient) Disconnect() {
r.mu.Lock()
defer r.mu.Unlock()
r.disconnectLocked()
}
func (r *PstRotatorClient) disconnectLocked() {
if r.conn != nil {
r.conn.Close()
r.conn = nil
}
r.connected.Store(false)
log.Println("[Rotor] Disconnected")
}
func (r *PstRotatorClient) IsConnected() bool {
return r.connected.Load()
}
// SetAzEl sends azimuth (and optionally elevation) to PstRotator.
// El < 0 is treated as azimuth-only (no elevation rotor).
func (r *PstRotatorClient) SetAzEl(az, el float64) error {
if !r.connected.Load() {
return fmt.Errorf("not connected to PstRotator")
}
// Normalize azimuth 0-360
az = math.Mod(az, 360.0)
if az < 0 {
az += 360
}
// Clamp elevation
if el < 0 {
el = 0
}
if el > 90 {
el = 90
}
r.mu.Lock()
defer r.mu.Unlock()
if r.conn == nil {
return fmt.Errorf("not connected")
}
// Dead-band check (inside mutex — no race on lastAz/lastEl)
azChanged := math.Abs(az-r.lastAz) >= r.azThreshold
elChanged := math.Abs(el-r.lastEl) >= r.elThreshold
if !azChanged && !elChanged {
return nil
}
// Build XML command wrapped in <PST>...</PST>
var cmd string
if azChanged && elChanged {
cmd = fmt.Sprintf("<PST><AZIMUTH>%.0f</AZIMUTH><ELEVATION>%.0f</ELEVATION></PST>", az, el)
} else if azChanged {
cmd = fmt.Sprintf("<PST><AZIMUTH>%.0f</AZIMUTH></PST>", az)
} else {
cmd = fmt.Sprintf("<PST><ELEVATION>%.0f</ELEVATION></PST>", el)
}
log.Printf("[Rotor] UDP → %s", cmd)
r.conn.SetWriteDeadline(time.Now().Add(2 * time.Second))
if _, err := r.conn.Write([]byte(cmd)); err != nil {
r.connected.Store(false)
return fmt.Errorf("UDP write: %w", err)
}
if azChanged {
r.lastAz = az
}
if elChanged {
r.lastEl = el
}
log.Printf("[Rotor] → AZ=%.1f° EL=%.1f°", az, el)
return nil
}
// SetAzOnly sends only azimuth — for stations with no elevation rotor.
func (r *PstRotatorClient) SetAzOnly(az float64) error {
if !r.connected.Load() {
return fmt.Errorf("not connected")
}
az = math.Mod(az, 360.0)
if az < 0 {
az += 360
}
r.mu.Lock()
defer r.mu.Unlock()
if r.conn == nil {
return fmt.Errorf("not connected")
}
// Dead-band check (inside mutex — no race on lastAz)
if math.Abs(az-r.lastAz) < r.azThreshold {
return nil
}
cmd := fmt.Sprintf("<PST><AZIMUTH>%.0f</AZIMUTH></PST>", az)
log.Printf("[Rotor] UDP → %s", cmd)
r.conn.SetWriteDeadline(time.Now().Add(2 * time.Second))
if _, err := r.conn.Write([]byte(cmd)); err != nil {
r.connected.Store(false)
return fmt.Errorf("UDP write: %w", err)
}
r.lastAz = az
log.Printf("[Rotor] → AZ=%.1f°", az)
return nil
}
// StopRotor sends stop command.
func (r *PstRotatorClient) StopRotor() error {
return r.sendRaw("<PST><STOP>1</STOP></PST>")
}
// QueryAzEl requests current position — answer comes back on port+1.
func (r *PstRotatorClient) QueryAzEl() error {
return r.sendRaw("<AZ?>1</AZ?><EL?>1</EL?>")
}
func (r *PstRotatorClient) sendRaw(cmd string) error {
r.mu.Lock()
defer r.mu.Unlock()
if r.conn == nil {
return fmt.Errorf("not connected")
}
log.Printf("[Rotor] UDP → %s", cmd)
r.conn.SetWriteDeadline(time.Now().Add(2 * time.Second))
n, err := r.conn.Write([]byte(cmd))
if err != nil {
r.connected.Store(false)
return fmt.Errorf("UDP write: %w", err)
}
log.Printf("[Rotor] UDP sent %d bytes to %s", n, r.addr)
return nil
}
// ResetDeadband forces next azimuth command to be sent immediately.
func (r *PstRotatorClient) ResetDeadband() {
r.mu.Lock()
defer r.mu.Unlock()
r.lastAz = -999
r.lastEl = -999
}
func (r *PstRotatorClient) SetThresholds(azDeg, elDeg float64) {
r.mu.Lock()
defer r.mu.Unlock()
r.azThreshold = azDeg
r.elThreshold = elDeg
}

283
backend/tle/manager.go Normal file
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package tle
import (
"bufio"
"fmt"
"io"
"log"
"net/http"
"os"
"path/filepath"
"strings"
"sync"
"time"
)
const (
// Celestrak amateur satellite TLE feed (primary)
PrimaryURL = "https://celestrak.org/NORAD/elements/gp.php?GROUP=amateur&FORMAT=tle"
FallbackURL = "http://tle.pe0sat.nl/kepler/amateur.txt"
CacheFile = "satmaster_tle_cache.txt"
MaxAgeDays = 3
)
// Satellite holds parsed TLE data.
type Satellite struct {
Name string
TLE1 string
TLE2 string
}
// Manager handles TLE fetching, caching, and lookup.
type Manager struct {
mu sync.RWMutex
satellites map[string]*Satellite
fetchedAt time.Time
cacheDir string
}
func NewManager() *Manager {
cacheDir, _ := os.UserCacheDir()
cacheDir = filepath.Join(cacheDir, "SatMaster")
os.MkdirAll(cacheDir, 0755)
return &Manager{
satellites: make(map[string]*Satellite),
cacheDir: cacheDir,
}
}
// fetchURLResult holds the result of a single URL fetch.
type fetchURLResult struct {
url string
sats map[string]*Satellite
raw string
err error
}
// FetchAndCache downloads TLE data from all sources in parallel, merges them
// (primary takes precedence on duplicates), and saves to disk cache.
func (m *Manager) FetchAndCache() error {
urls := []string{PrimaryURL, FallbackURL}
results := make([]fetchURLResult, len(urls))
// Fetch all sources concurrently
var wg sync.WaitGroup
for i, url := range urls {
wg.Add(1)
go func(i int, url string) {
defer wg.Done()
log.Printf("[TLE] Fetching from %s", url)
data, err := fetchURL(url)
if err != nil {
log.Printf("[TLE] Failed %s: %v", url, err)
results[i] = fetchURLResult{url: url, err: err}
return
}
sats, err := parseTLE(data)
if err != nil || len(sats) == 0 {
log.Printf("[TLE] Parse failed or empty from %s: %v", url, err)
results[i] = fetchURLResult{url: url, err: fmt.Errorf("parse failed")}
return
}
log.Printf("[TLE] Fetched %d satellites from %s", len(sats), url)
results[i] = fetchURLResult{url: url, sats: sats, raw: data}
}(i, url)
}
wg.Wait()
// Merge: start with fallback (lower priority), then overlay primary
// This way primary always wins on duplicates
merged := make(map[string]*Satellite)
var combinedRaw strings.Builder
anySuccess := false
for i := len(results) - 1; i >= 0; i-- {
r := results[i]
if r.err != nil || r.sats == nil {
continue
}
anySuccess = true
added := 0
for k, v := range r.sats {
if _, exists := merged[k]; !exists {
merged[k] = v
added++
}
}
combinedRaw.WriteString(r.raw)
log.Printf("[TLE] Merged %d new satellites from %s (total: %d)", added, r.url, len(merged))
}
if !anySuccess {
return fmt.Errorf("all TLE sources failed")
}
// Save combined raw data to disk cache
cachePath := filepath.Join(m.cacheDir, CacheFile)
if err := os.WriteFile(cachePath, []byte(combinedRaw.String()), 0644); err != nil {
log.Printf("[TLE] Cache write failed: %v", err)
}
m.mu.Lock()
m.satellites = merged
m.fetchedAt = time.Now()
m.mu.Unlock()
log.Printf("[TLE] Total: %d satellites loaded from %d sources", len(merged), len(urls))
return nil
}
// LoadLocal loads TLE data from disk cache.
func (m *Manager) LoadLocal() error {
cachePath := filepath.Join(m.cacheDir, CacheFile)
data, err := os.ReadFile(cachePath)
if err != nil {
return m.loadBundledFallback()
}
sats, err := parseTLE(string(data))
if err != nil {
return err
}
info, _ := os.Stat(cachePath)
m.mu.Lock()
m.satellites = sats
if info != nil {
m.fetchedAt = info.ModTime()
}
m.mu.Unlock()
log.Printf("[TLE] Loaded %d satellites from local cache", len(sats))
return nil
}
// loadBundledFallback loads a minimal built-in TLE set for common amateur sats.
func (m *Manager) loadBundledFallback() error {
sats, err := parseTLE(defaultTLEs)
if err != nil {
return err
}
m.mu.Lock()
m.satellites = sats
m.fetchedAt = time.Now().Add(-48 * time.Hour)
m.mu.Unlock()
log.Printf("[TLE] Loaded %d bundled fallback satellites", len(sats))
return nil
}
// Get returns a satellite by name (case-insensitive).
func (m *Manager) Get(name string) *Satellite {
m.mu.RLock()
defer m.mu.RUnlock()
if s, ok := m.satellites[strings.ToUpper(name)]; ok {
return s
}
upper := strings.ToUpper(name)
for k, v := range m.satellites {
if strings.Contains(k, upper) {
return v
}
}
return nil
}
// All returns all loaded satellites.
func (m *Manager) All() []*Satellite {
m.mu.RLock()
defer m.mu.RUnlock()
result := make([]*Satellite, 0, len(m.satellites))
for _, s := range m.satellites {
result = append(result, s)
}
return result
}
// SatelliteNames returns sorted list of satellite names.
func (m *Manager) SatelliteNames() []string {
m.mu.RLock()
defer m.mu.RUnlock()
names := make([]string, 0, len(m.satellites))
for k := range m.satellites {
names = append(names, k)
}
return names
}
// AgeHours returns how many hours old the TLE data is.
func (m *Manager) AgeHours() float64 {
m.mu.RLock()
defer m.mu.RUnlock()
if m.fetchedAt.IsZero() {
return 9999
}
return time.Since(m.fetchedAt).Hours()
}
func fetchURL(url string) (string, error) {
client := &http.Client{Timeout: 15 * time.Second}
resp, err := client.Get(url)
if err != nil {
return "", err
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
return "", fmt.Errorf("HTTP %d", resp.StatusCode)
}
body, err := io.ReadAll(resp.Body)
return string(body), err
}
func parseTLE(data string) (map[string]*Satellite, error) {
sats := make(map[string]*Satellite)
scanner := bufio.NewScanner(strings.NewReader(data))
var lines []string
for scanner.Scan() {
line := strings.TrimSpace(scanner.Text())
if line == "" {
continue
}
lines = append(lines, line)
}
for i := 0; i+2 < len(lines); i += 3 {
name := strings.TrimSpace(lines[i])
tle1 := strings.TrimSpace(lines[i+1])
tle2 := strings.TrimSpace(lines[i+2])
if !strings.HasPrefix(tle1, "1 ") || !strings.HasPrefix(tle2, "2 ") {
i -= 2
continue
}
key := strings.ToUpper(name)
sats[key] = &Satellite{
Name: name,
TLE1: tle1,
TLE2: tle2,
}
}
if len(sats) == 0 {
return nil, fmt.Errorf("no valid TLE entries found")
}
return sats, nil
}
const defaultTLEs = `ISS (ZARYA)
1 25544U 98067A 24001.50000000 .00016717 00000-0 10270-3 0 9999
2 25544 51.6416 247.4627 0006703 130.5360 325.0288 15.50174753471696
AO-7
1 07530U 74089B 24001.50000000 -.00000023 00000-0 13694-4 0 9999
2 07530 101.7044 116.7600 0012184 36.7810 323.4116 12.53590024534125
AO-27
1 22825U 93061C 24001.50000000 .00000199 00000-0 54717-4 0 9999
2 22825 98.6398 100.2553 0008530 335.2107 24.8705 14.29831944581475
SO-50
1 27607U 02058C 24001.50000000 .00000306 00000-0 71007-4 0 9999
2 27607 98.0070 105.9740 0084804 339.5060 19.9560 14.74561589148781
FO-29
1 24278U 96046B 24001.50000000 .00000056 00000-0 68723-5 0 9999
2 24278 98.5355 100.4746 0350771 334.0040 24.2890 13.52863590383849
RS-44
1 44909U 19096E 24001.50000000 .00000103 00000-0 12583-4 0 9999
2 44909 97.6561 101.2437 0009786 341.6020 18.4590 14.93614256218765
`

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15
build/windows/info.json Normal file
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{
"fixed": {
"file_version": "{{.Info.ProductVersion}}"
},
"info": {
"0000": {
"ProductVersion": "{{.Info.ProductVersion}}",
"CompanyName": "{{.Info.CompanyName}}",
"FileDescription": "{{.Info.ProductName}}",
"LegalCopyright": "{{.Info.Copyright}}",
"ProductName": "{{.Info.ProductName}}",
"Comments": "{{.Info.Comments}}"
}
}
}

15
build/windows/wails.exe.manifest Normal file
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<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1" xmlns:asmv3="urn:schemas-microsoft-com:asm.v3">
<assemblyIdentity type="win32" name="com.wails.{{.Name}}" version="{{.Info.ProductVersion}}.0" processorArchitecture="*"/>
<dependency>
<dependentAssembly>
<assemblyIdentity type="win32" name="Microsoft.Windows.Common-Controls" version="6.0.0.0" processorArchitecture="*" publicKeyToken="6595b64144ccf1df" language="*"/>
</dependentAssembly>
</dependency>
<asmv3:application>
<asmv3:windowsSettings>
<dpiAware xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">true/pm</dpiAware> <!-- fallback for Windows 7 and 8 -->
<dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">permonitorv2,permonitor</dpiAwareness> <!-- falls back to per-monitor if per-monitor v2 is not supported -->
</asmv3:windowsSettings>
</asmv3:application>
</assembly>

18
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1
frontend/dist/assets/index-axwnIj0t.css vendored Normal file
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4
frontend/dist/assets/leaflet-src-DoEXxWUO.js vendored Normal file
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19
frontend/dist/index.html vendored Normal file
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@@ -0,0 +1,19 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>SatMaster — F4BPO</title>
<!-- Leaflet CSS loaded via Vite in WorldMap component -->
<style>
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body, #app { width: 100%; height: 100%; overflow: hidden; }
body { background: #080c16; }
</style>
<script type="module" crossorigin src="/assets/index-BB3NBLW5.js"></script>
<link rel="stylesheet" crossorigin href="/assets/index-axwnIj0t.css">
</head>
<body>
<div id="app"></div>
</body>
</html>

18
frontend/index.html Normal file
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@@ -0,0 +1,18 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>SatMaster — F4BPO</title>
<!-- Leaflet CSS loaded via Vite in WorldMap component -->
<style>
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body, #app { width: 100%; height: 100%; overflow: hidden; }
body { background: #080c16; }
</style>
</head>
<body>
<div id="app"></div>
<script type="module" src="/src/main.js"></script>
</body>
</html>

16
frontend/node_modules/.bin/acorn generated vendored Normal file
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@@ -0,0 +1,16 @@
#!/bin/sh
basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
case `uname` in
*CYGWIN*|*MINGW*|*MSYS*)
if command -v cygpath > /dev/null 2>&1; then
basedir=`cygpath -w "$basedir"`
fi
;;
esac
if [ -x "$basedir/node" ]; then
exec "$basedir/node" "$basedir/../acorn/bin/acorn" "$@"
else
exec node "$basedir/../acorn/bin/acorn" "$@"
fi

17
frontend/node_modules/.bin/acorn.cmd generated vendored Normal file
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@@ -0,0 +1,17 @@
@ECHO off
GOTO start
:find_dp0
SET dp0=%~dp0
EXIT /b
:start
SETLOCAL
CALL :find_dp0
IF EXIST "%dp0%\node.exe" (
SET "_prog=%dp0%\node.exe"
) ELSE (
SET "_prog=node"
SET PATHEXT=%PATHEXT:;.JS;=;%
)
endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\acorn\bin\acorn" %*

28
frontend/node_modules/.bin/acorn.ps1 generated vendored Normal file
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@@ -0,0 +1,28 @@
#!/usr/bin/env pwsh
$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
$exe=""
if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
# Fix case when both the Windows and Linux builds of Node
# are installed in the same directory
$exe=".exe"
}
$ret=0
if (Test-Path "$basedir/node$exe") {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "$basedir/node$exe" "$basedir/../acorn/bin/acorn" $args
} else {
& "$basedir/node$exe" "$basedir/../acorn/bin/acorn" $args
}
$ret=$LASTEXITCODE
} else {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "node$exe" "$basedir/../acorn/bin/acorn" $args
} else {
& "node$exe" "$basedir/../acorn/bin/acorn" $args
}
$ret=$LASTEXITCODE
}
exit $ret

16
frontend/node_modules/.bin/esbuild generated vendored Normal file
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@@ -0,0 +1,16 @@
#!/bin/sh
basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
case `uname` in
*CYGWIN*|*MINGW*|*MSYS*)
if command -v cygpath > /dev/null 2>&1; then
basedir=`cygpath -w "$basedir"`
fi
;;
esac
if [ -x "$basedir/node" ]; then
exec "$basedir/node" "$basedir/../esbuild/bin/esbuild" "$@"
else
exec node "$basedir/../esbuild/bin/esbuild" "$@"
fi

17
frontend/node_modules/.bin/esbuild.cmd generated vendored Normal file
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@@ -0,0 +1,17 @@
@ECHO off
GOTO start
:find_dp0
SET dp0=%~dp0
EXIT /b
:start
SETLOCAL
CALL :find_dp0
IF EXIST "%dp0%\node.exe" (
SET "_prog=%dp0%\node.exe"
) ELSE (
SET "_prog=node"
SET PATHEXT=%PATHEXT:;.JS;=;%
)
endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\esbuild\bin\esbuild" %*

28
frontend/node_modules/.bin/esbuild.ps1 generated vendored Normal file
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@@ -0,0 +1,28 @@
#!/usr/bin/env pwsh
$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
$exe=""
if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
# Fix case when both the Windows and Linux builds of Node
# are installed in the same directory
$exe=".exe"
}
$ret=0
if (Test-Path "$basedir/node$exe") {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "$basedir/node$exe" "$basedir/../esbuild/bin/esbuild" $args
} else {
& "$basedir/node$exe" "$basedir/../esbuild/bin/esbuild" $args
}
$ret=$LASTEXITCODE
} else {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "node$exe" "$basedir/../esbuild/bin/esbuild" $args
} else {
& "node$exe" "$basedir/../esbuild/bin/esbuild" $args
}
$ret=$LASTEXITCODE
}
exit $ret

16
frontend/node_modules/.bin/nanoid generated vendored Normal file
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@@ -0,0 +1,16 @@
#!/bin/sh
basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
case `uname` in
*CYGWIN*|*MINGW*|*MSYS*)
if command -v cygpath > /dev/null 2>&1; then
basedir=`cygpath -w "$basedir"`
fi
;;
esac
if [ -x "$basedir/node" ]; then
exec "$basedir/node" "$basedir/../nanoid/bin/nanoid.cjs" "$@"
else
exec node "$basedir/../nanoid/bin/nanoid.cjs" "$@"
fi

17
frontend/node_modules/.bin/nanoid.cmd generated vendored Normal file
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@@ -0,0 +1,17 @@
@ECHO off
GOTO start
:find_dp0
SET dp0=%~dp0
EXIT /b
:start
SETLOCAL
CALL :find_dp0
IF EXIST "%dp0%\node.exe" (
SET "_prog=%dp0%\node.exe"
) ELSE (
SET "_prog=node"
SET PATHEXT=%PATHEXT:;.JS;=;%
)
endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\nanoid\bin\nanoid.cjs" %*

28
frontend/node_modules/.bin/nanoid.ps1 generated vendored Normal file
View File

@@ -0,0 +1,28 @@
#!/usr/bin/env pwsh
$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
$exe=""
if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
# Fix case when both the Windows and Linux builds of Node
# are installed in the same directory
$exe=".exe"
}
$ret=0
if (Test-Path "$basedir/node$exe") {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "$basedir/node$exe" "$basedir/../nanoid/bin/nanoid.cjs" $args
} else {
& "$basedir/node$exe" "$basedir/../nanoid/bin/nanoid.cjs" $args
}
$ret=$LASTEXITCODE
} else {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "node$exe" "$basedir/../nanoid/bin/nanoid.cjs" $args
} else {
& "node$exe" "$basedir/../nanoid/bin/nanoid.cjs" $args
}
$ret=$LASTEXITCODE
}
exit $ret

16
frontend/node_modules/.bin/rollup generated vendored Normal file
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@@ -0,0 +1,16 @@
#!/bin/sh
basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
case `uname` in
*CYGWIN*|*MINGW*|*MSYS*)
if command -v cygpath > /dev/null 2>&1; then
basedir=`cygpath -w "$basedir"`
fi
;;
esac
if [ -x "$basedir/node" ]; then
exec "$basedir/node" "$basedir/../rollup/dist/bin/rollup" "$@"
else
exec node "$basedir/../rollup/dist/bin/rollup" "$@"
fi

17
frontend/node_modules/.bin/rollup.cmd generated vendored Normal file
View File

@@ -0,0 +1,17 @@
@ECHO off
GOTO start
:find_dp0
SET dp0=%~dp0
EXIT /b
:start
SETLOCAL
CALL :find_dp0
IF EXIST "%dp0%\node.exe" (
SET "_prog=%dp0%\node.exe"
) ELSE (
SET "_prog=node"
SET PATHEXT=%PATHEXT:;.JS;=;%
)
endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\rollup\dist\bin\rollup" %*

28
frontend/node_modules/.bin/rollup.ps1 generated vendored Normal file
View File

@@ -0,0 +1,28 @@
#!/usr/bin/env pwsh
$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
$exe=""
if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
# Fix case when both the Windows and Linux builds of Node
# are installed in the same directory
$exe=".exe"
}
$ret=0
if (Test-Path "$basedir/node$exe") {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "$basedir/node$exe" "$basedir/../rollup/dist/bin/rollup" $args
} else {
& "$basedir/node$exe" "$basedir/../rollup/dist/bin/rollup" $args
}
$ret=$LASTEXITCODE
} else {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "node$exe" "$basedir/../rollup/dist/bin/rollup" $args
} else {
& "node$exe" "$basedir/../rollup/dist/bin/rollup" $args
}
$ret=$LASTEXITCODE
}
exit $ret

16
frontend/node_modules/.bin/tsc generated vendored Normal file
View File

@@ -0,0 +1,16 @@
#!/bin/sh
basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
case `uname` in
*CYGWIN*|*MINGW*|*MSYS*)
if command -v cygpath > /dev/null 2>&1; then
basedir=`cygpath -w "$basedir"`
fi
;;
esac
if [ -x "$basedir/node" ]; then
exec "$basedir/node" "$basedir/../typescript/bin/tsc" "$@"
else
exec node "$basedir/../typescript/bin/tsc" "$@"
fi

17
frontend/node_modules/.bin/tsc.cmd generated vendored Normal file
View File

@@ -0,0 +1,17 @@
@ECHO off
GOTO start
:find_dp0
SET dp0=%~dp0
EXIT /b
:start
SETLOCAL
CALL :find_dp0
IF EXIST "%dp0%\node.exe" (
SET "_prog=%dp0%\node.exe"
) ELSE (
SET "_prog=node"
SET PATHEXT=%PATHEXT:;.JS;=;%
)
endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\typescript\bin\tsc" %*

28
frontend/node_modules/.bin/tsc.ps1 generated vendored Normal file
View File

@@ -0,0 +1,28 @@
#!/usr/bin/env pwsh
$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
$exe=""
if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
# Fix case when both the Windows and Linux builds of Node
# are installed in the same directory
$exe=".exe"
}
$ret=0
if (Test-Path "$basedir/node$exe") {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "$basedir/node$exe" "$basedir/../typescript/bin/tsc" $args
} else {
& "$basedir/node$exe" "$basedir/../typescript/bin/tsc" $args
}
$ret=$LASTEXITCODE
} else {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "node$exe" "$basedir/../typescript/bin/tsc" $args
} else {
& "node$exe" "$basedir/../typescript/bin/tsc" $args
}
$ret=$LASTEXITCODE
}
exit $ret

16
frontend/node_modules/.bin/tsserver generated vendored Normal file
View File

@@ -0,0 +1,16 @@
#!/bin/sh
basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
case `uname` in
*CYGWIN*|*MINGW*|*MSYS*)
if command -v cygpath > /dev/null 2>&1; then
basedir=`cygpath -w "$basedir"`
fi
;;
esac
if [ -x "$basedir/node" ]; then
exec "$basedir/node" "$basedir/../typescript/bin/tsserver" "$@"
else
exec node "$basedir/../typescript/bin/tsserver" "$@"
fi

17
frontend/node_modules/.bin/tsserver.cmd generated vendored Normal file
View File

@@ -0,0 +1,17 @@
@ECHO off
GOTO start
:find_dp0
SET dp0=%~dp0
EXIT /b
:start
SETLOCAL
CALL :find_dp0
IF EXIST "%dp0%\node.exe" (
SET "_prog=%dp0%\node.exe"
) ELSE (
SET "_prog=node"
SET PATHEXT=%PATHEXT:;.JS;=;%
)
endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\typescript\bin\tsserver" %*

28
frontend/node_modules/.bin/tsserver.ps1 generated vendored Normal file
View File

@@ -0,0 +1,28 @@
#!/usr/bin/env pwsh
$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
$exe=""
if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
# Fix case when both the Windows and Linux builds of Node
# are installed in the same directory
$exe=".exe"
}
$ret=0
if (Test-Path "$basedir/node$exe") {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "$basedir/node$exe" "$basedir/../typescript/bin/tsserver" $args
} else {
& "$basedir/node$exe" "$basedir/../typescript/bin/tsserver" $args
}
$ret=$LASTEXITCODE
} else {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "node$exe" "$basedir/../typescript/bin/tsserver" $args
} else {
& "node$exe" "$basedir/../typescript/bin/tsserver" $args
}
$ret=$LASTEXITCODE
}
exit $ret

16
frontend/node_modules/.bin/vite generated vendored Normal file
View File

@@ -0,0 +1,16 @@
#!/bin/sh
basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
case `uname` in
*CYGWIN*|*MINGW*|*MSYS*)
if command -v cygpath > /dev/null 2>&1; then
basedir=`cygpath -w "$basedir"`
fi
;;
esac
if [ -x "$basedir/node" ]; then
exec "$basedir/node" "$basedir/../vite/bin/vite.js" "$@"
else
exec node "$basedir/../vite/bin/vite.js" "$@"
fi

17
frontend/node_modules/.bin/vite.cmd generated vendored Normal file
View File

@@ -0,0 +1,17 @@
@ECHO off
GOTO start
:find_dp0
SET dp0=%~dp0
EXIT /b
:start
SETLOCAL
CALL :find_dp0
IF EXIST "%dp0%\node.exe" (
SET "_prog=%dp0%\node.exe"
) ELSE (
SET "_prog=node"
SET PATHEXT=%PATHEXT:;.JS;=;%
)
endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\vite\bin\vite.js" %*

28
frontend/node_modules/.bin/vite.ps1 generated vendored Normal file
View File

@@ -0,0 +1,28 @@
#!/usr/bin/env pwsh
$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
$exe=""
if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
# Fix case when both the Windows and Linux builds of Node
# are installed in the same directory
$exe=".exe"
}
$ret=0
if (Test-Path "$basedir/node$exe") {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "$basedir/node$exe" "$basedir/../vite/bin/vite.js" $args
} else {
& "$basedir/node$exe" "$basedir/../vite/bin/vite.js" $args
}
$ret=$LASTEXITCODE
} else {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "node$exe" "$basedir/../vite/bin/vite.js" $args
} else {
& "node$exe" "$basedir/../vite/bin/vite.js" $args
}
$ret=$LASTEXITCODE
}
exit $ret

606
frontend/node_modules/.package-lock.json generated vendored Normal file
View File

@@ -0,0 +1,606 @@
{
"name": "satmaster-frontend",
"version": "1.0.0",
"lockfileVersion": 3,
"requires": true,
"packages": {
"node_modules/@ampproject/remapping": {
"version": "2.3.0",
"resolved": "https://registry.npmjs.org/@ampproject/remapping/-/remapping-2.3.0.tgz",
"integrity": "sha512-30iZtAPgz+LTIYoeivqYo853f02jBYSd5uGnGpkFV0M3xOt9aN73erkgYAmZU43x4VfqcnLxW9Kpg3R5LC4YYw==",
"dev": true,
"license": "Apache-2.0",
"dependencies": {
"@jridgewell/gen-mapping": "^0.3.5",
"@jridgewell/trace-mapping": "^0.3.24"
},
"engines": {
"node": ">=6.0.0"
}
},
"node_modules/@esbuild/win32-x64": {
"version": "0.21.5",
"resolved": "https://registry.npmjs.org/@esbuild/win32-x64/-/win32-x64-0.21.5.tgz",
"integrity": "sha512-tQd/1efJuzPC6rCFwEvLtci/xNFcTZknmXs98FYDfGE4wP9ClFV98nyKrzJKVPMhdDnjzLhdUyMX4PsQAPjwIw==",
"cpu": [
"x64"
],
"dev": true,
"license": "MIT",
"optional": true,
"os": [
"win32"
],
"engines": {
"node": ">=12"
}
},
"node_modules/@jridgewell/gen-mapping": {
"version": "0.3.13",
"resolved": "https://registry.npmjs.org/@jridgewell/gen-mapping/-/gen-mapping-0.3.13.tgz",
"integrity": "sha512-2kkt/7niJ6MgEPxF0bYdQ6etZaA+fQvDcLKckhy1yIQOzaoKjBBjSj63/aLVjYE3qhRt5dvM+uUyfCg6UKCBbA==",
"dev": true,
"license": "MIT",
"dependencies": {
"@jridgewell/sourcemap-codec": "^1.5.0",
"@jridgewell/trace-mapping": "^0.3.24"
}
},
"node_modules/@jridgewell/resolve-uri": {
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"license": "MIT",
"dependencies": {
"esbuild": "^0.21.3",
"postcss": "^8.4.43",
"rollup": "^4.20.0"
},
"bin": {
"vite": "bin/vite.js"
},
"engines": {
"node": "^18.0.0 || >=20.0.0"
},
"funding": {
"url": "https://github.com/vitejs/vite?sponsor=1"
},
"optionalDependencies": {
"fsevents": "~2.3.3"
},
"peerDependencies": {
"@types/node": "^18.0.0 || >=20.0.0",
"less": "*",
"lightningcss": "^1.21.0",
"sass": "*",
"sass-embedded": "*",
"stylus": "*",
"sugarss": "*",
"terser": "^5.4.0"
},
"peerDependenciesMeta": {
"@types/node": {
"optional": true
},
"less": {
"optional": true
},
"lightningcss": {
"optional": true
},
"sass": {
"optional": true
},
"sass-embedded": {
"optional": true
},
"stylus": {
"optional": true
},
"sugarss": {
"optional": true
},
"terser": {
"optional": true
}
}
},
"node_modules/vitefu": {
"version": "0.2.5",
"resolved": "https://registry.npmjs.org/vitefu/-/vitefu-0.2.5.tgz",
"integrity": "sha512-SgHtMLoqaeeGnd2evZ849ZbACbnwQCIwRH57t18FxcXoZop0uQu0uzlIhJBlF/eWVzuce0sHeqPcDo+evVcg8Q==",
"dev": true,
"license": "MIT",
"peerDependencies": {
"vite": "^3.0.0 || ^4.0.0 || ^5.0.0"
},
"peerDependenciesMeta": {
"vite": {
"optional": true
}
}
}
}
}

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{"compilerOptions":{"css":"external","dev":true},"extensions":[".svelte"]}

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{
"hash": "3bb479c0",
"configHash": "2b06be3b",
"lockfileHash": "eacb5f78",
"browserHash": "6bd9103c",
"optimized": {
"svelte/animate": {
"src": "../../svelte/src/runtime/animate/index.js",
"file": "svelte_animate.js",
"fileHash": "b22864c4",
"needsInterop": false
},
"svelte/easing": {
"src": "../../svelte/src/runtime/easing/index.js",
"file": "svelte_easing.js",
"fileHash": "2d567d63",
"needsInterop": false
},
"svelte/internal": {
"src": "../../svelte/src/runtime/internal/index.js",
"file": "svelte_internal.js",
"fileHash": "8e584915",
"needsInterop": false
},
"svelte/internal/disclose-version": {
"src": "../../svelte/src/runtime/internal/disclose-version/index.js",
"file": "svelte_internal_disclose-version.js",
"fileHash": "6111c24e",
"needsInterop": false
},
"svelte/motion": {
"src": "../../svelte/src/runtime/motion/index.js",
"file": "svelte_motion.js",
"fileHash": "41716b01",
"needsInterop": false
},
"svelte/store": {
"src": "../../svelte/src/runtime/store/index.js",
"file": "svelte_store.js",
"fileHash": "cce96641",
"needsInterop": false
},
"svelte/transition": {
"src": "../../svelte/src/runtime/transition/index.js",
"file": "svelte_transition.js",
"fileHash": "e218bac8",
"needsInterop": false
},
"svelte": {
"src": "../../svelte/src/runtime/index.js",
"file": "svelte.js",
"fileHash": "ff9d3edd",
"needsInterop": false
},
"leaflet": {
"src": "../../leaflet/dist/leaflet-src.js",
"file": "leaflet.js",
"fileHash": "bfe3edfc",
"needsInterop": true
}
},
"chunks": {
"chunk-7BDCSBRK": {
"file": "chunk-7BDCSBRK.js"
},
"chunk-ETWSND26": {
"file": "chunk-ETWSND26.js"
},
"chunk-LBLMGS3B": {
"file": "chunk-LBLMGS3B.js"
},
"chunk-672HPU4M": {
"file": "chunk-672HPU4M.js"
},
"chunk-JVWSFFO4": {
"file": "chunk-JVWSFFO4.js"
}
}
}

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// node_modules/svelte/src/shared/version.js
var VERSION = "4.2.20";
var PUBLIC_VERSION = "4";
export {
VERSION,
PUBLIC_VERSION
};
//# sourceMappingURL=chunk-672HPU4M.js.map

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{
"version": 3,
"sources": ["../../svelte/src/shared/version.js"],
"sourcesContent": ["// generated during release, do not modify\n\n/**\n * The current version, as set in package.json.\n *\n * https://svelte.dev/docs/svelte-compiler#svelte-version\n * @type {string}\n */\nexport const VERSION = '4.2.20';\nexport const PUBLIC_VERSION = '4';\n"],
"mappings": ";AAQO,IAAM,UAAU;AAChB,IAAM,iBAAiB;",
"names": []
}

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import {
is_function,
noop,
run_all,
safe_not_equal,
subscribe
} from "./chunk-LBLMGS3B.js";
// node_modules/svelte/src/runtime/store/index.js
var subscriber_queue = [];
function readable(value, start) {
return {
subscribe: writable(value, start).subscribe
};
}
function writable(value, start = noop) {
let stop;
const subscribers = /* @__PURE__ */ new Set();
function set(new_value) {
if (safe_not_equal(value, new_value)) {
value = new_value;
if (stop) {
const run_queue = !subscriber_queue.length;
for (const subscriber of subscribers) {
subscriber[1]();
subscriber_queue.push(subscriber, value);
}
if (run_queue) {
for (let i = 0; i < subscriber_queue.length; i += 2) {
subscriber_queue[i][0](subscriber_queue[i + 1]);
}
subscriber_queue.length = 0;
}
}
}
}
function update(fn) {
set(fn(value));
}
function subscribe2(run, invalidate = noop) {
const subscriber = [run, invalidate];
subscribers.add(subscriber);
if (subscribers.size === 1) {
stop = start(set, update) || noop;
}
run(value);
return () => {
subscribers.delete(subscriber);
if (subscribers.size === 0 && stop) {
stop();
stop = null;
}
};
}
return { set, update, subscribe: subscribe2 };
}
function derived(stores, fn, initial_value) {
const single = !Array.isArray(stores);
const stores_array = single ? [stores] : stores;
if (!stores_array.every(Boolean)) {
throw new Error("derived() expects stores as input, got a falsy value");
}
const auto = fn.length < 2;
return readable(initial_value, (set, update) => {
let started = false;
const values = [];
let pending = 0;
let cleanup = noop;
const sync = () => {
if (pending) {
return;
}
cleanup();
const result = fn(single ? values[0] : values, set, update);
if (auto) {
set(result);
} else {
cleanup = is_function(result) ? result : noop;
}
};
const unsubscribers = stores_array.map(
(store, i) => subscribe(
store,
(value) => {
values[i] = value;
pending &= ~(1 << i);
if (started) {
sync();
}
},
() => {
pending |= 1 << i;
}
)
);
started = true;
sync();
return function stop() {
run_all(unsubscribers);
cleanup();
started = false;
};
});
}
function readonly(store) {
return {
subscribe: store.subscribe.bind(store)
};
}
export {
readable,
writable,
derived,
readonly
};
//# sourceMappingURL=chunk-7BDCSBRK.js.map

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// node_modules/svelte/src/runtime/easing/index.js
function backInOut(t) {
const s = 1.70158 * 1.525;
if ((t *= 2) < 1) return 0.5 * (t * t * ((s + 1) * t - s));
return 0.5 * ((t -= 2) * t * ((s + 1) * t + s) + 2);
}
function backIn(t) {
const s = 1.70158;
return t * t * ((s + 1) * t - s);
}
function backOut(t) {
const s = 1.70158;
return --t * t * ((s + 1) * t + s) + 1;
}
function bounceOut(t) {
const a = 4 / 11;
const b = 8 / 11;
const c = 9 / 10;
const ca = 4356 / 361;
const cb = 35442 / 1805;
const cc = 16061 / 1805;
const t2 = t * t;
return t < a ? 7.5625 * t2 : t < b ? 9.075 * t2 - 9.9 * t + 3.4 : t < c ? ca * t2 - cb * t + cc : 10.8 * t * t - 20.52 * t + 10.72;
}
function bounceInOut(t) {
return t < 0.5 ? 0.5 * (1 - bounceOut(1 - t * 2)) : 0.5 * bounceOut(t * 2 - 1) + 0.5;
}
function bounceIn(t) {
return 1 - bounceOut(1 - t);
}
function circInOut(t) {
if ((t *= 2) < 1) return -0.5 * (Math.sqrt(1 - t * t) - 1);
return 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1);
}
function circIn(t) {
return 1 - Math.sqrt(1 - t * t);
}
function circOut(t) {
return Math.sqrt(1 - --t * t);
}
function cubicInOut(t) {
return t < 0.5 ? 4 * t * t * t : 0.5 * Math.pow(2 * t - 2, 3) + 1;
}
function cubicIn(t) {
return t * t * t;
}
function cubicOut(t) {
const f = t - 1;
return f * f * f + 1;
}
function elasticInOut(t) {
return t < 0.5 ? 0.5 * Math.sin(13 * Math.PI / 2 * 2 * t) * Math.pow(2, 10 * (2 * t - 1)) : 0.5 * Math.sin(-13 * Math.PI / 2 * (2 * t - 1 + 1)) * Math.pow(2, -10 * (2 * t - 1)) + 1;
}
function elasticIn(t) {
return Math.sin(13 * t * Math.PI / 2) * Math.pow(2, 10 * (t - 1));
}
function elasticOut(t) {
return Math.sin(-13 * (t + 1) * Math.PI / 2) * Math.pow(2, -10 * t) + 1;
}
function expoInOut(t) {
return t === 0 || t === 1 ? t : t < 0.5 ? 0.5 * Math.pow(2, 20 * t - 10) : -0.5 * Math.pow(2, 10 - t * 20) + 1;
}
function expoIn(t) {
return t === 0 ? t : Math.pow(2, 10 * (t - 1));
}
function expoOut(t) {
return t === 1 ? t : 1 - Math.pow(2, -10 * t);
}
function quadInOut(t) {
t /= 0.5;
if (t < 1) return 0.5 * t * t;
t--;
return -0.5 * (t * (t - 2) - 1);
}
function quadIn(t) {
return t * t;
}
function quadOut(t) {
return -t * (t - 2);
}
function quartInOut(t) {
return t < 0.5 ? 8 * Math.pow(t, 4) : -8 * Math.pow(t - 1, 4) + 1;
}
function quartIn(t) {
return Math.pow(t, 4);
}
function quartOut(t) {
return Math.pow(t - 1, 3) * (1 - t) + 1;
}
function quintInOut(t) {
if ((t *= 2) < 1) return 0.5 * t * t * t * t * t;
return 0.5 * ((t -= 2) * t * t * t * t + 2);
}
function quintIn(t) {
return t * t * t * t * t;
}
function quintOut(t) {
return --t * t * t * t * t + 1;
}
function sineInOut(t) {
return -0.5 * (Math.cos(Math.PI * t) - 1);
}
function sineIn(t) {
const v = Math.cos(t * Math.PI * 0.5);
if (Math.abs(v) < 1e-14) return 1;
else return 1 - v;
}
function sineOut(t) {
return Math.sin(t * Math.PI / 2);
}
export {
backInOut,
backIn,
backOut,
bounceOut,
bounceInOut,
bounceIn,
circInOut,
circIn,
circOut,
cubicInOut,
cubicIn,
cubicOut,
elasticInOut,
elasticIn,
elasticOut,
expoInOut,
expoIn,
expoOut,
quadInOut,
quadIn,
quadOut,
quartInOut,
quartIn,
quartOut,
quintInOut,
quintIn,
quintOut,
sineInOut,
sineIn,
sineOut
};
//# sourceMappingURL=chunk-ETWSND26.js.map

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var __defProp = Object.defineProperty;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
var __commonJS = (cb, mod) => function __require() {
return mod || (0, cb[__getOwnPropNames(cb)[0]])((mod = { exports: {} }).exports, mod), mod.exports;
};
var __publicField = (obj, key, value) => __defNormalProp(obj, typeof key !== "symbol" ? key + "" : key, value);
export {
__commonJS,
__publicField
};
//# sourceMappingURL=chunk-JVWSFFO4.js.map

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{
"version": 3,
"sources": [],
"sourcesContent": [],
"mappings": "",
"names": []
}

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frontend/node_modules/.vite/deps/package.json generated vendored Normal file
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{
"type": "module"
}

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frontend/node_modules/.vite/deps/svelte.js generated vendored Normal file
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import {
SvelteComponentDev,
SvelteComponentTyped,
afterUpdate,
beforeUpdate,
createEventDispatcher,
getAllContexts,
getContext,
hasContext,
onDestroy,
onMount,
setContext,
tick
} from "./chunk-LBLMGS3B.js";
import "./chunk-672HPU4M.js";
import "./chunk-JVWSFFO4.js";
export {
SvelteComponentDev as SvelteComponent,
SvelteComponentTyped,
afterUpdate,
beforeUpdate,
createEventDispatcher,
getAllContexts,
getContext,
hasContext,
onDestroy,
onMount,
setContext,
tick
};
//# sourceMappingURL=svelte.js.map

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{
"version": 3,
"sources": [],
"sourcesContent": [],
"mappings": "",
"names": []
}

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import {
cubicOut
} from "./chunk-ETWSND26.js";
import {
is_function
} from "./chunk-LBLMGS3B.js";
import "./chunk-672HPU4M.js";
import "./chunk-JVWSFFO4.js";
// node_modules/svelte/src/runtime/animate/index.js
function flip(node, { from, to }, params = {}) {
const style = getComputedStyle(node);
const transform = style.transform === "none" ? "" : style.transform;
const [ox, oy] = style.transformOrigin.split(" ").map(parseFloat);
const dx = from.left + from.width * ox / to.width - (to.left + ox);
const dy = from.top + from.height * oy / to.height - (to.top + oy);
const { delay = 0, duration = (d) => Math.sqrt(d) * 120, easing = cubicOut } = params;
return {
delay,
duration: is_function(duration) ? duration(Math.sqrt(dx * dx + dy * dy)) : duration,
easing,
css: (t, u) => {
const x = u * dx;
const y = u * dy;
const sx = t + u * from.width / to.width;
const sy = t + u * from.height / to.height;
return `transform: ${transform} translate(${x}px, ${y}px) scale(${sx}, ${sy});`;
}
};
}
export {
flip
};
//# sourceMappingURL=svelte_animate.js.map

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{
"version": 3,
"sources": ["../../svelte/src/runtime/animate/index.js"],
"sourcesContent": ["import { cubicOut } from '../easing/index.js';\nimport { is_function } from '../internal/index.js';\n\n/**\n * The flip function calculates the start and end position of an element and animates between them, translating the x and y values.\n * `flip` stands for [First, Last, Invert, Play](https://aerotwist.com/blog/flip-your-animations/).\n *\n * https://svelte.dev/docs/svelte-animate#flip\n * @param {Element} node\n * @param {{ from: DOMRect; to: DOMRect }} fromTo\n * @param {import('./public.js').FlipParams} params\n * @returns {import('./public.js').AnimationConfig}\n */\nexport function flip(node, { from, to }, params = {}) {\n\tconst style = getComputedStyle(node);\n\tconst transform = style.transform === 'none' ? '' : style.transform;\n\tconst [ox, oy] = style.transformOrigin.split(' ').map(parseFloat);\n\tconst dx = from.left + (from.width * ox) / to.width - (to.left + ox);\n\tconst dy = from.top + (from.height * oy) / to.height - (to.top + oy);\n\tconst { delay = 0, duration = (d) => Math.sqrt(d) * 120, easing = cubicOut } = params;\n\treturn {\n\t\tdelay,\n\t\tduration: is_function(duration) ? duration(Math.sqrt(dx * dx + dy * dy)) : duration,\n\t\teasing,\n\t\tcss: (t, u) => {\n\t\t\tconst x = u * dx;\n\t\t\tconst y = u * dy;\n\t\t\tconst sx = t + (u * from.width) / to.width;\n\t\t\tconst sy = t + (u * from.height) / to.height;\n\t\t\treturn `transform: ${transform} translate(${x}px, ${y}px) scale(${sx}, ${sy});`;\n\t\t}\n\t};\n}\n"],
"mappings": ";;;;;;;;;;AAaO,SAAS,KAAK,MAAM,EAAE,MAAM,GAAG,GAAG,SAAS,CAAC,GAAG;AACrD,QAAM,QAAQ,iBAAiB,IAAI;AACnC,QAAM,YAAY,MAAM,cAAc,SAAS,KAAK,MAAM;AAC1D,QAAM,CAAC,IAAI,EAAE,IAAI,MAAM,gBAAgB,MAAM,GAAG,EAAE,IAAI,UAAU;AAChE,QAAM,KAAK,KAAK,OAAQ,KAAK,QAAQ,KAAM,GAAG,SAAS,GAAG,OAAO;AACjE,QAAM,KAAK,KAAK,MAAO,KAAK,SAAS,KAAM,GAAG,UAAU,GAAG,MAAM;AACjE,QAAM,EAAE,QAAQ,GAAG,WAAW,CAAC,MAAM,KAAK,KAAK,CAAC,IAAI,KAAK,SAAS,SAAS,IAAI;AAC/E,SAAO;AAAA,IACN;AAAA,IACA,UAAU,YAAY,QAAQ,IAAI,SAAS,KAAK,KAAK,KAAK,KAAK,KAAK,EAAE,CAAC,IAAI;AAAA,IAC3E;AAAA,IACA,KAAK,CAAC,GAAG,MAAM;AACd,YAAM,IAAI,IAAI;AACd,YAAM,IAAI,IAAI;AACd,YAAM,KAAK,IAAK,IAAI,KAAK,QAAS,GAAG;AACrC,YAAM,KAAK,IAAK,IAAI,KAAK,SAAU,GAAG;AACtC,aAAO,cAAc,SAAS,cAAc,CAAC,OAAO,CAAC,aAAa,EAAE,KAAK,EAAE;AAAA,IAC5E;AAAA,EACD;AACD;",
"names": []
}

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import {
backIn,
backInOut,
backOut,
bounceIn,
bounceInOut,
bounceOut,
circIn,
circInOut,
circOut,
cubicIn,
cubicInOut,
cubicOut,
elasticIn,
elasticInOut,
elasticOut,
expoIn,
expoInOut,
expoOut,
quadIn,
quadInOut,
quadOut,
quartIn,
quartInOut,
quartOut,
quintIn,
quintInOut,
quintOut,
sineIn,
sineInOut,
sineOut
} from "./chunk-ETWSND26.js";
import {
identity
} from "./chunk-LBLMGS3B.js";
import "./chunk-672HPU4M.js";
import "./chunk-JVWSFFO4.js";
export {
backIn,
backInOut,
backOut,
bounceIn,
bounceInOut,
bounceOut,
circIn,
circInOut,
circOut,
cubicIn,
cubicInOut,
cubicOut,
elasticIn,
elasticInOut,
elasticOut,
expoIn,
expoInOut,
expoOut,
identity as linear,
quadIn,
quadInOut,
quadOut,
quartIn,
quartInOut,
quartOut,
quintIn,
quintInOut,
quintOut,
sineIn,
sineInOut,
sineOut
};
//# sourceMappingURL=svelte_easing.js.map

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{
"version": 3,
"sources": [],
"sourcesContent": [],
"mappings": "",
"names": []
}

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import {
HtmlTag,
HtmlTagHydration,
ResizeObserverSingleton,
SvelteComponent,
SvelteComponentDev,
SvelteComponentTyped,
SvelteElement,
action_destroyer,
add_attribute,
add_classes,
add_flush_callback,
add_iframe_resize_listener,
add_location,
add_render_callback,
add_styles,
add_transform,
afterUpdate,
append,
append_dev,
append_empty_stylesheet,
append_hydration,
append_hydration_dev,
append_styles,
assign,
attr,
attr_dev,
attribute_to_object,
beforeUpdate,
bind,
binding_callbacks,
blank_object,
bubble,
check_outros,
children,
claim_comment,
claim_component,
claim_element,
claim_html_tag,
claim_space,
claim_svg_element,
claim_text,
clear_loops,
comment,
component_subscribe,
compute_rest_props,
compute_slots,
construct_svelte_component,
construct_svelte_component_dev,
contenteditable_truthy_values,
createEventDispatcher,
create_animation,
create_bidirectional_transition,
create_component,
create_custom_element,
create_in_transition,
create_out_transition,
create_slot,
create_ssr_component,
current_component,
custom_event,
dataset_dev,
debug,
destroy_block,
destroy_component,
destroy_each,
detach,
detach_after_dev,
detach_before_dev,
detach_between_dev,
detach_dev,
dirty_components,
dispatch_dev,
each,
element,
element_is,
empty,
end_hydrating,
ensure_array_like,
ensure_array_like_dev,
escape,
escape_attribute_value,
escape_object,
exclude_internal_props,
fix_and_destroy_block,
fix_and_outro_and_destroy_block,
fix_position,
flush,
flush_render_callbacks,
getAllContexts,
getContext,
get_all_dirty_from_scope,
get_binding_group_value,
get_current_component,
get_custom_elements_slots,
get_root_for_style,
get_slot_changes,
get_spread_object,
get_spread_update,
get_store_value,
get_svelte_dataset,
globals,
group_outros,
handle_promise,
hasContext,
has_prop,
head_selector,
identity,
init,
init_binding_group,
init_binding_group_dynamic,
insert,
insert_dev,
insert_hydration,
insert_hydration_dev,
intros,
invalid_attribute_name_character,
is_client,
is_crossorigin,
is_empty,
is_function,
is_promise,
is_void,
listen,
listen_dev,
loop,
loop_guard,
merge_ssr_styles,
missing_component,
mount_component,
noop,
not_equal,
now,
null_to_empty,
object_without_properties,
onDestroy,
onMount,
once,
outro_and_destroy_block,
prevent_default,
prop_dev,
query_selector_all,
raf,
resize_observer_border_box,
resize_observer_content_box,
resize_observer_device_pixel_content_box,
run,
run_all,
safe_not_equal,
schedule_update,
select_multiple_value,
select_option,
select_options,
select_value,
self,
setContext,
set_attributes,
set_current_component,
set_custom_element_data,
set_custom_element_data_map,
set_data,
set_data_contenteditable,
set_data_contenteditable_dev,
set_data_dev,
set_data_maybe_contenteditable,
set_data_maybe_contenteditable_dev,
set_dynamic_element_data,
set_input_type,
set_input_value,
set_now,
set_raf,
set_store_value,
set_style,
set_svg_attributes,
space,
split_css_unit,
spread,
src_url_equal,
srcset_url_equal,
start_hydrating,
stop_immediate_propagation,
stop_propagation,
stringify_spread,
subscribe,
svg_element,
text,
tick,
time_ranges_to_array,
to_number,
toggle_class,
transition_in,
transition_out,
trusted,
update_await_block_branch,
update_keyed_each,
update_slot,
update_slot_base,
validate_component,
validate_dynamic_element,
validate_each_keys,
validate_slots,
validate_store,
validate_void_dynamic_element,
xlink_attr
} from "./chunk-LBLMGS3B.js";
import "./chunk-672HPU4M.js";
import "./chunk-JVWSFFO4.js";
export {
HtmlTag,
HtmlTagHydration,
ResizeObserverSingleton,
SvelteComponent,
SvelteComponentDev,
SvelteComponentTyped,
SvelteElement,
action_destroyer,
add_attribute,
add_classes,
add_flush_callback,
add_iframe_resize_listener,
add_location,
add_render_callback,
add_styles,
add_transform,
afterUpdate,
append,
append_dev,
append_empty_stylesheet,
append_hydration,
append_hydration_dev,
append_styles,
assign,
attr,
attr_dev,
attribute_to_object,
beforeUpdate,
bind,
binding_callbacks,
blank_object,
bubble,
check_outros,
children,
claim_comment,
claim_component,
claim_element,
claim_html_tag,
claim_space,
claim_svg_element,
claim_text,
clear_loops,
comment,
component_subscribe,
compute_rest_props,
compute_slots,
construct_svelte_component,
construct_svelte_component_dev,
contenteditable_truthy_values,
createEventDispatcher,
create_animation,
create_bidirectional_transition,
create_component,
create_custom_element,
create_in_transition,
create_out_transition,
create_slot,
create_ssr_component,
current_component,
custom_event,
dataset_dev,
debug,
destroy_block,
destroy_component,
destroy_each,
detach,
detach_after_dev,
detach_before_dev,
detach_between_dev,
detach_dev,
dirty_components,
dispatch_dev,
each,
element,
element_is,
empty,
end_hydrating,
ensure_array_like,
ensure_array_like_dev,
escape,
escape_attribute_value,
escape_object,
exclude_internal_props,
fix_and_destroy_block,
fix_and_outro_and_destroy_block,
fix_position,
flush,
flush_render_callbacks,
getAllContexts,
getContext,
get_all_dirty_from_scope,
get_binding_group_value,
get_current_component,
get_custom_elements_slots,
get_root_for_style,
get_slot_changes,
get_spread_object,
get_spread_update,
get_store_value,
get_svelte_dataset,
globals,
group_outros,
handle_promise,
hasContext,
has_prop,
head_selector,
identity,
init,
init_binding_group,
init_binding_group_dynamic,
insert,
insert_dev,
insert_hydration,
insert_hydration_dev,
intros,
invalid_attribute_name_character,
is_client,
is_crossorigin,
is_empty,
is_function,
is_promise,
is_void,
listen,
listen_dev,
loop,
loop_guard,
merge_ssr_styles,
missing_component,
mount_component,
noop,
not_equal,
now,
null_to_empty,
object_without_properties,
onDestroy,
onMount,
once,
outro_and_destroy_block,
prevent_default,
prop_dev,
query_selector_all,
raf,
resize_observer_border_box,
resize_observer_content_box,
resize_observer_device_pixel_content_box,
run,
run_all,
safe_not_equal,
schedule_update,
select_multiple_value,
select_option,
select_options,
select_value,
self,
setContext,
set_attributes,
set_current_component,
set_custom_element_data,
set_custom_element_data_map,
set_data,
set_data_contenteditable,
set_data_contenteditable_dev,
set_data_dev,
set_data_maybe_contenteditable,
set_data_maybe_contenteditable_dev,
set_dynamic_element_data,
set_input_type,
set_input_value,
set_now,
set_raf,
set_store_value,
set_style,
set_svg_attributes,
space,
split_css_unit,
spread,
src_url_equal,
srcset_url_equal,
start_hydrating,
stop_immediate_propagation,
stop_propagation,
stringify_spread,
subscribe,
svg_element,
text,
tick,
time_ranges_to_array,
to_number,
toggle_class,
transition_in,
transition_out,
trusted,
update_await_block_branch,
update_keyed_each,
update_slot,
update_slot_base,
validate_component,
validate_dynamic_element,
validate_each_keys,
validate_slots,
validate_store,
validate_void_dynamic_element,
xlink_attr
};
//# sourceMappingURL=svelte_internal.js.map

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{
"version": 3,
"sources": [],
"sourcesContent": [],
"mappings": "",
"names": []
}

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import {
PUBLIC_VERSION
} from "./chunk-672HPU4M.js";
import "./chunk-JVWSFFO4.js";
// node_modules/svelte/src/runtime/internal/disclose-version/index.js
if (typeof window !== "undefined")
(window.__svelte || (window.__svelte = { v: /* @__PURE__ */ new Set() })).v.add(PUBLIC_VERSION);
//# sourceMappingURL=svelte_internal_disclose-version.js.map

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{
"version": 3,
"sources": ["../../svelte/src/runtime/internal/disclose-version/index.js"],
"sourcesContent": ["import { PUBLIC_VERSION } from '../../../shared/version.js';\n\nif (typeof window !== 'undefined')\n\t// @ts-ignore\n\t(window.__svelte || (window.__svelte = { v: new Set() })).v.add(PUBLIC_VERSION);\n"],
"mappings": ";;;;;;AAEA,IAAI,OAAO,WAAW;AAErB,GAAC,OAAO,aAAa,OAAO,WAAW,EAAE,GAAG,oBAAI,IAAI,EAAE,IAAI,EAAE,IAAI,cAAc;",
"names": []
}

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import {
writable
} from "./chunk-7BDCSBRK.js";
import "./chunk-ETWSND26.js";
import {
assign,
identity,
loop,
now
} from "./chunk-LBLMGS3B.js";
import "./chunk-672HPU4M.js";
import "./chunk-JVWSFFO4.js";
// node_modules/svelte/src/runtime/motion/utils.js
function is_date(obj) {
return Object.prototype.toString.call(obj) === "[object Date]";
}
// node_modules/svelte/src/runtime/motion/spring.js
function tick_spring(ctx, last_value, current_value, target_value) {
if (typeof current_value === "number" || is_date(current_value)) {
const delta = target_value - current_value;
const velocity = (current_value - last_value) / (ctx.dt || 1 / 60);
const spring2 = ctx.opts.stiffness * delta;
const damper = ctx.opts.damping * velocity;
const acceleration = (spring2 - damper) * ctx.inv_mass;
const d = (velocity + acceleration) * ctx.dt;
if (Math.abs(d) < ctx.opts.precision && Math.abs(delta) < ctx.opts.precision) {
return target_value;
} else {
ctx.settled = false;
return is_date(current_value) ? new Date(current_value.getTime() + d) : current_value + d;
}
} else if (Array.isArray(current_value)) {
return current_value.map(
(_, i) => tick_spring(ctx, last_value[i], current_value[i], target_value[i])
);
} else if (typeof current_value === "object") {
const next_value = {};
for (const k in current_value) {
next_value[k] = tick_spring(ctx, last_value[k], current_value[k], target_value[k]);
}
return next_value;
} else {
throw new Error(`Cannot spring ${typeof current_value} values`);
}
}
function spring(value, opts = {}) {
const store = writable(value);
const { stiffness = 0.15, damping = 0.8, precision = 0.01 } = opts;
let last_time;
let task;
let current_token;
let last_value = value;
let target_value = value;
let inv_mass = 1;
let inv_mass_recovery_rate = 0;
let cancel_task = false;
function set(new_value, opts2 = {}) {
target_value = new_value;
const token = current_token = {};
if (value == null || opts2.hard || spring2.stiffness >= 1 && spring2.damping >= 1) {
cancel_task = true;
last_time = now();
last_value = new_value;
store.set(value = target_value);
return Promise.resolve();
} else if (opts2.soft) {
const rate = opts2.soft === true ? 0.5 : +opts2.soft;
inv_mass_recovery_rate = 1 / (rate * 60);
inv_mass = 0;
}
if (!task) {
last_time = now();
cancel_task = false;
task = loop((now2) => {
if (cancel_task) {
cancel_task = false;
task = null;
return false;
}
inv_mass = Math.min(inv_mass + inv_mass_recovery_rate, 1);
const ctx = {
inv_mass,
opts: spring2,
settled: true,
dt: (now2 - last_time) * 60 / 1e3
};
const next_value = tick_spring(ctx, last_value, value, target_value);
last_time = now2;
last_value = value;
store.set(value = next_value);
if (ctx.settled) {
task = null;
}
return !ctx.settled;
});
}
return new Promise((fulfil) => {
task.promise.then(() => {
if (token === current_token) fulfil();
});
});
}
const spring2 = {
set,
update: (fn, opts2) => set(fn(target_value, value), opts2),
subscribe: store.subscribe,
stiffness,
damping,
precision
};
return spring2;
}
// node_modules/svelte/src/runtime/motion/tweened.js
function get_interpolator(a, b) {
if (a === b || a !== a) return () => a;
const type = typeof a;
if (type !== typeof b || Array.isArray(a) !== Array.isArray(b)) {
throw new Error("Cannot interpolate values of different type");
}
if (Array.isArray(a)) {
const arr = b.map((bi, i) => {
return get_interpolator(a[i], bi);
});
return (t) => arr.map((fn) => fn(t));
}
if (type === "object") {
if (!a || !b) throw new Error("Object cannot be null");
if (is_date(a) && is_date(b)) {
a = a.getTime();
b = b.getTime();
const delta = b - a;
return (t) => new Date(a + t * delta);
}
const keys = Object.keys(b);
const interpolators = {};
keys.forEach((key) => {
interpolators[key] = get_interpolator(a[key], b[key]);
});
return (t) => {
const result = {};
keys.forEach((key) => {
result[key] = interpolators[key](t);
});
return result;
};
}
if (type === "number") {
const delta = b - a;
return (t) => a + t * delta;
}
throw new Error(`Cannot interpolate ${type} values`);
}
function tweened(value, defaults = {}) {
const store = writable(value);
let task;
let target_value = value;
function set(new_value, opts) {
if (value == null) {
store.set(value = new_value);
return Promise.resolve();
}
target_value = new_value;
let previous_task = task;
let started = false;
let {
delay = 0,
duration = 400,
easing = identity,
interpolate = get_interpolator
} = assign(assign({}, defaults), opts);
if (duration === 0) {
if (previous_task) {
previous_task.abort();
previous_task = null;
}
store.set(value = target_value);
return Promise.resolve();
}
const start = now() + delay;
let fn;
task = loop((now2) => {
if (now2 < start) return true;
if (!started) {
fn = interpolate(value, new_value);
if (typeof duration === "function") duration = duration(value, new_value);
started = true;
}
if (previous_task) {
previous_task.abort();
previous_task = null;
}
const elapsed = now2 - start;
if (elapsed > /** @type {number} */
duration) {
store.set(value = new_value);
return false;
}
store.set(value = fn(easing(elapsed / duration)));
return true;
});
return task.promise;
}
return {
set,
update: (fn, opts) => set(fn(target_value, value), opts),
subscribe: store.subscribe
};
}
export {
spring,
tweened
};
//# sourceMappingURL=svelte_motion.js.map

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import {
derived,
readable,
readonly,
writable
} from "./chunk-7BDCSBRK.js";
import {
get_store_value
} from "./chunk-LBLMGS3B.js";
import "./chunk-672HPU4M.js";
import "./chunk-JVWSFFO4.js";
export {
derived,
get_store_value as get,
readable,
readonly,
writable
};
//# sourceMappingURL=svelte_store.js.map

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{
"version": 3,
"sources": [],
"sourcesContent": [],
"mappings": "",
"names": []
}

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import {
cubicInOut,
cubicOut
} from "./chunk-ETWSND26.js";
import {
assign,
identity,
is_function,
split_css_unit
} from "./chunk-LBLMGS3B.js";
import "./chunk-672HPU4M.js";
import "./chunk-JVWSFFO4.js";
// node_modules/svelte/src/runtime/transition/index.js
function blur(node, { delay = 0, duration = 400, easing = cubicInOut, amount = 5, opacity = 0 } = {}) {
const style = getComputedStyle(node);
const target_opacity = +style.opacity;
const f = style.filter === "none" ? "" : style.filter;
const od = target_opacity * (1 - opacity);
const [value, unit] = split_css_unit(amount);
return {
delay,
duration,
easing,
css: (_t, u) => `opacity: ${target_opacity - od * u}; filter: ${f} blur(${u * value}${unit});`
};
}
function fade(node, { delay = 0, duration = 400, easing = identity } = {}) {
const o = +getComputedStyle(node).opacity;
return {
delay,
duration,
easing,
css: (t) => `opacity: ${t * o}`
};
}
function fly(node, { delay = 0, duration = 400, easing = cubicOut, x = 0, y = 0, opacity = 0 } = {}) {
const style = getComputedStyle(node);
const target_opacity = +style.opacity;
const transform = style.transform === "none" ? "" : style.transform;
const od = target_opacity * (1 - opacity);
const [xValue, xUnit] = split_css_unit(x);
const [yValue, yUnit] = split_css_unit(y);
return {
delay,
duration,
easing,
css: (t, u) => `
transform: ${transform} translate(${(1 - t) * xValue}${xUnit}, ${(1 - t) * yValue}${yUnit});
opacity: ${target_opacity - od * u}`
};
}
function slide(node, { delay = 0, duration = 400, easing = cubicOut, axis = "y" } = {}) {
const style = getComputedStyle(node);
const opacity = +style.opacity;
const primary_property = axis === "y" ? "height" : "width";
const primary_property_value = parseFloat(style[primary_property]);
const secondary_properties = axis === "y" ? ["top", "bottom"] : ["left", "right"];
const capitalized_secondary_properties = secondary_properties.map(
(e) => `${e[0].toUpperCase()}${e.slice(1)}`
);
const padding_start_value = parseFloat(style[`padding${capitalized_secondary_properties[0]}`]);
const padding_end_value = parseFloat(style[`padding${capitalized_secondary_properties[1]}`]);
const margin_start_value = parseFloat(style[`margin${capitalized_secondary_properties[0]}`]);
const margin_end_value = parseFloat(style[`margin${capitalized_secondary_properties[1]}`]);
const border_width_start_value = parseFloat(
style[`border${capitalized_secondary_properties[0]}Width`]
);
const border_width_end_value = parseFloat(
style[`border${capitalized_secondary_properties[1]}Width`]
);
return {
delay,
duration,
easing,
css: (t) => `overflow: hidden;opacity: ${Math.min(t * 20, 1) * opacity};${primary_property}: ${t * primary_property_value}px;padding-${secondary_properties[0]}: ${t * padding_start_value}px;padding-${secondary_properties[1]}: ${t * padding_end_value}px;margin-${secondary_properties[0]}: ${t * margin_start_value}px;margin-${secondary_properties[1]}: ${t * margin_end_value}px;border-${secondary_properties[0]}-width: ${t * border_width_start_value}px;border-${secondary_properties[1]}-width: ${t * border_width_end_value}px;`
};
}
function scale(node, { delay = 0, duration = 400, easing = cubicOut, start = 0, opacity = 0 } = {}) {
const style = getComputedStyle(node);
const target_opacity = +style.opacity;
const transform = style.transform === "none" ? "" : style.transform;
const sd = 1 - start;
const od = target_opacity * (1 - opacity);
return {
delay,
duration,
easing,
css: (_t, u) => `
transform: ${transform} scale(${1 - sd * u});
opacity: ${target_opacity - od * u}
`
};
}
function draw(node, { delay = 0, speed, duration, easing = cubicInOut } = {}) {
let len = node.getTotalLength();
const style = getComputedStyle(node);
if (style.strokeLinecap !== "butt") {
len += parseInt(style.strokeWidth);
}
if (duration === void 0) {
if (speed === void 0) {
duration = 800;
} else {
duration = len / speed;
}
} else if (typeof duration === "function") {
duration = duration(len);
}
return {
delay,
duration,
easing,
css: (_, u) => `
stroke-dasharray: ${len};
stroke-dashoffset: ${u * len};
`
};
}
function crossfade({ fallback, ...defaults }) {
const to_receive = /* @__PURE__ */ new Map();
const to_send = /* @__PURE__ */ new Map();
function crossfade2(from_node, node, params) {
const {
delay = 0,
duration = (d2) => Math.sqrt(d2) * 30,
easing = cubicOut
} = assign(assign({}, defaults), params);
const from = from_node.getBoundingClientRect();
const to = node.getBoundingClientRect();
const dx = from.left - to.left;
const dy = from.top - to.top;
const dw = from.width / to.width;
const dh = from.height / to.height;
const d = Math.sqrt(dx * dx + dy * dy);
const style = getComputedStyle(node);
const transform = style.transform === "none" ? "" : style.transform;
const opacity = +style.opacity;
return {
delay,
duration: is_function(duration) ? duration(d) : duration,
easing,
css: (t, u) => `
opacity: ${t * opacity};
transform-origin: top left;
transform: ${transform} translate(${u * dx}px,${u * dy}px) scale(${t + (1 - t) * dw}, ${t + (1 - t) * dh});
`
};
}
function transition(items, counterparts, intro) {
return (node, params) => {
items.set(params.key, node);
return () => {
if (counterparts.has(params.key)) {
const other_node = counterparts.get(params.key);
counterparts.delete(params.key);
return crossfade2(other_node, node, params);
}
items.delete(params.key);
return fallback && fallback(node, params, intro);
};
};
}
return [transition(to_send, to_receive, false), transition(to_receive, to_send, true)];
}
export {
blur,
crossfade,
draw,
fade,
fly,
scale,
slide
};
//# sourceMappingURL=svelte_transition.js.map

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Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
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# @ampproject/remapping
> Remap sequential sourcemaps through transformations to point at the original source code
Remapping allows you to take the sourcemaps generated through transforming your code and "remap"
them to the original source locations. Think "my minified code, transformed with babel and bundled
with webpack", all pointing to the correct location in your original source code.
With remapping, none of your source code transformations need to be aware of the input's sourcemap,
they only need to generate an output sourcemap. This greatly simplifies building custom
transformations (think a find-and-replace).
## Installation
```sh
npm install @ampproject/remapping
```
## Usage
```typescript
function remapping(
map: SourceMap | SourceMap[],
loader: (file: string, ctx: LoaderContext) => (SourceMap | null | undefined),
options?: { excludeContent: boolean, decodedMappings: boolean }
): SourceMap;
// LoaderContext gives the loader the importing sourcemap, tree depth, the ability to override the
// "source" location (where child sources are resolved relative to, or the location of original
// source), and the ability to override the "content" of an original source for inclusion in the
// output sourcemap.
type LoaderContext = {
readonly importer: string;
readonly depth: number;
source: string;
content: string | null | undefined;
}
```
`remapping` takes the final output sourcemap, and a `loader` function. For every source file pointer
in the sourcemap, the `loader` will be called with the resolved path. If the path itself represents
a transformed file (it has a sourcmap associated with it), then the `loader` should return that
sourcemap. If not, the path will be treated as an original, untransformed source code.
```js
// Babel transformed "helloworld.js" into "transformed.js"
const transformedMap = JSON.stringify({
file: 'transformed.js',
// 1st column of 2nd line of output file translates into the 1st source
// file, line 3, column 2
mappings: ';CAEE',
sources: ['helloworld.js'],
version: 3,
});
// Uglify minified "transformed.js" into "transformed.min.js"
const minifiedTransformedMap = JSON.stringify({
file: 'transformed.min.js',
// 0th column of 1st line of output file translates into the 1st source
// file, line 2, column 1.
mappings: 'AACC',
names: [],
sources: ['transformed.js'],
version: 3,
});
const remapped = remapping(
minifiedTransformedMap,
(file, ctx) => {
// The "transformed.js" file is an transformed file.
if (file === 'transformed.js') {
// The root importer is empty.
console.assert(ctx.importer === '');
// The depth in the sourcemap tree we're currently loading.
// The root `minifiedTransformedMap` is depth 0, and its source children are depth 1, etc.
console.assert(ctx.depth === 1);
return transformedMap;
}
// Loader will be called to load transformedMap's source file pointers as well.
console.assert(file === 'helloworld.js');
// `transformed.js`'s sourcemap points into `helloworld.js`.
console.assert(ctx.importer === 'transformed.js');
// This is a source child of `transformed`, which is a source child of `minifiedTransformedMap`.
console.assert(ctx.depth === 2);
return null;
}
);
console.log(remapped);
// {
// file: 'transpiled.min.js',
// mappings: 'AAEE',
// sources: ['helloworld.js'],
// version: 3,
// };
```
In this example, `loader` will be called twice:
1. `"transformed.js"`, the first source file pointer in the `minifiedTransformedMap`. We return the
associated sourcemap for it (its a transformed file, after all) so that sourcemap locations can
be traced through it into the source files it represents.
2. `"helloworld.js"`, our original, unmodified source code. This file does not have a sourcemap, so
we return `null`.
The `remapped` sourcemap now points from `transformed.min.js` into locations in `helloworld.js`. If
you were to read the `mappings`, it says "0th column of the first line output line points to the 1st
column of the 2nd line of the file `helloworld.js`".
### Multiple transformations of a file
As a convenience, if you have multiple single-source transformations of a file, you may pass an
array of sourcemap files in the order of most-recent transformation sourcemap first. Note that this
changes the `importer` and `depth` of each call to our loader. So our above example could have been
written as:
```js
const remapped = remapping(
[minifiedTransformedMap, transformedMap],
() => null
);
console.log(remapped);
// {
// file: 'transpiled.min.js',
// mappings: 'AAEE',
// sources: ['helloworld.js'],
// version: 3,
// };
```
### Advanced control of the loading graph
#### `source`
The `source` property can overridden to any value to change the location of the current load. Eg,
for an original source file, it allows us to change the location to the original source regardless
of what the sourcemap source entry says. And for transformed files, it allows us to change the
relative resolving location for child sources of the loaded sourcemap.
```js
const remapped = remapping(
minifiedTransformedMap,
(file, ctx) => {
if (file === 'transformed.js') {
// We pretend the transformed.js file actually exists in the 'src/' directory. When the nested
// source files are loaded, they will now be relative to `src/`.
ctx.source = 'src/transformed.js';
return transformedMap;
}
console.assert(file === 'src/helloworld.js');
// We could futher change the source of this original file, eg, to be inside a nested directory
// itself. This will be reflected in the remapped sourcemap.
ctx.source = 'src/nested/transformed.js';
return null;
}
);
console.log(remapped);
// {
// …,
// sources: ['src/nested/helloworld.js'],
// };
```
#### `content`
The `content` property can be overridden when we encounter an original source file. Eg, this allows
you to manually provide the source content of the original file regardless of whether the
`sourcesContent` field is present in the parent sourcemap. It can also be set to `null` to remove
the source content.
```js
const remapped = remapping(
minifiedTransformedMap,
(file, ctx) => {
if (file === 'transformed.js') {
// transformedMap does not include a `sourcesContent` field, so usually the remapped sourcemap
// would not include any `sourcesContent` values.
return transformedMap;
}
console.assert(file === 'helloworld.js');
// We can read the file to provide the source content.
ctx.content = fs.readFileSync(file, 'utf8');
return null;
}
);
console.log(remapped);
// {
// …,
// sourcesContent: [
// 'console.log("Hello world!")',
// ],
// };
```
### Options
#### excludeContent
By default, `excludeContent` is `false`. Passing `{ excludeContent: true }` will exclude the
`sourcesContent` field from the returned sourcemap. This is mainly useful when you want to reduce
the size out the sourcemap.
#### decodedMappings
By default, `decodedMappings` is `false`. Passing `{ decodedMappings: true }` will leave the
`mappings` field in a [decoded state](https://github.com/rich-harris/sourcemap-codec) instead of
encoding into a VLQ string.

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import { decodedMappings, traceSegment, TraceMap } from '@jridgewell/trace-mapping';
import { GenMapping, maybeAddSegment, setSourceContent, setIgnore, toDecodedMap, toEncodedMap } from '@jridgewell/gen-mapping';
const SOURCELESS_MAPPING = /* #__PURE__ */ SegmentObject('', -1, -1, '', null, false);
const EMPTY_SOURCES = [];
function SegmentObject(source, line, column, name, content, ignore) {
return { source, line, column, name, content, ignore };
}
function Source(map, sources, source, content, ignore) {
return {
map,
sources,
source,
content,
ignore,
};
}
/**
* MapSource represents a single sourcemap, with the ability to trace mappings into its child nodes
* (which may themselves be SourceMapTrees).
*/
function MapSource(map, sources) {
return Source(map, sources, '', null, false);
}
/**
* A "leaf" node in the sourcemap tree, representing an original, unmodified source file. Recursive
* segment tracing ends at the `OriginalSource`.
*/
function OriginalSource(source, content, ignore) {
return Source(null, EMPTY_SOURCES, source, content, ignore);
}
/**
* traceMappings is only called on the root level SourceMapTree, and begins the process of
* resolving each mapping in terms of the original source files.
*/
function traceMappings(tree) {
// TODO: Eventually support sourceRoot, which has to be removed because the sources are already
// fully resolved. We'll need to make sources relative to the sourceRoot before adding them.
const gen = new GenMapping({ file: tree.map.file });
const { sources: rootSources, map } = tree;
const rootNames = map.names;
const rootMappings = decodedMappings(map);
for (let i = 0; i < rootMappings.length; i++) {
const segments = rootMappings[i];
for (let j = 0; j < segments.length; j++) {
const segment = segments[j];
const genCol = segment[0];
let traced = SOURCELESS_MAPPING;
// 1-length segments only move the current generated column, there's no source information
// to gather from it.
if (segment.length !== 1) {
const source = rootSources[segment[1]];
traced = originalPositionFor(source, segment[2], segment[3], segment.length === 5 ? rootNames[segment[4]] : '');
// If the trace is invalid, then the trace ran into a sourcemap that doesn't contain a
// respective segment into an original source.
if (traced == null)
continue;
}
const { column, line, name, content, source, ignore } = traced;
maybeAddSegment(gen, i, genCol, source, line, column, name);
if (source && content != null)
setSourceContent(gen, source, content);
if (ignore)
setIgnore(gen, source, true);
}
}
return gen;
}
/**
* originalPositionFor is only called on children SourceMapTrees. It recurses down into its own
* child SourceMapTrees, until we find the original source map.
*/
function originalPositionFor(source, line, column, name) {
if (!source.map) {
return SegmentObject(source.source, line, column, name, source.content, source.ignore);
}
const segment = traceSegment(source.map, line, column);
// If we couldn't find a segment, then this doesn't exist in the sourcemap.
if (segment == null)
return null;
// 1-length segments only move the current generated column, there's no source information
// to gather from it.
if (segment.length === 1)
return SOURCELESS_MAPPING;
return originalPositionFor(source.sources[segment[1]], segment[2], segment[3], segment.length === 5 ? source.map.names[segment[4]] : name);
}
function asArray(value) {
if (Array.isArray(value))
return value;
return [value];
}
/**
* Recursively builds a tree structure out of sourcemap files, with each node
* being either an `OriginalSource` "leaf" or a `SourceMapTree` composed of
* `OriginalSource`s and `SourceMapTree`s.
*
* Every sourcemap is composed of a collection of source files and mappings
* into locations of those source files. When we generate a `SourceMapTree` for
* the sourcemap, we attempt to load each source file's own sourcemap. If it
* does not have an associated sourcemap, it is considered an original,
* unmodified source file.
*/
function buildSourceMapTree(input, loader) {
const maps = asArray(input).map((m) => new TraceMap(m, ''));
const map = maps.pop();
for (let i = 0; i < maps.length; i++) {
if (maps[i].sources.length > 1) {
throw new Error(`Transformation map ${i} must have exactly one source file.\n` +
'Did you specify these with the most recent transformation maps first?');
}
}
let tree = build(map, loader, '', 0);
for (let i = maps.length - 1; i >= 0; i--) {
tree = MapSource(maps[i], [tree]);
}
return tree;
}
function build(map, loader, importer, importerDepth) {
const { resolvedSources, sourcesContent, ignoreList } = map;
const depth = importerDepth + 1;
const children = resolvedSources.map((sourceFile, i) => {
// The loading context gives the loader more information about why this file is being loaded
// (eg, from which importer). It also allows the loader to override the location of the loaded
// sourcemap/original source, or to override the content in the sourcesContent field if it's
// an unmodified source file.
const ctx = {
importer,
depth,
source: sourceFile || '',
content: undefined,
ignore: undefined,
};
// Use the provided loader callback to retrieve the file's sourcemap.
// TODO: We should eventually support async loading of sourcemap files.
const sourceMap = loader(ctx.source, ctx);
const { source, content, ignore } = ctx;
// If there is a sourcemap, then we need to recurse into it to load its source files.
if (sourceMap)
return build(new TraceMap(sourceMap, source), loader, source, depth);
// Else, it's an unmodified source file.
// The contents of this unmodified source file can be overridden via the loader context,
// allowing it to be explicitly null or a string. If it remains undefined, we fall back to
// the importing sourcemap's `sourcesContent` field.
const sourceContent = content !== undefined ? content : sourcesContent ? sourcesContent[i] : null;
const ignored = ignore !== undefined ? ignore : ignoreList ? ignoreList.includes(i) : false;
return OriginalSource(source, sourceContent, ignored);
});
return MapSource(map, children);
}
/**
* A SourceMap v3 compatible sourcemap, which only includes fields that were
* provided to it.
*/
class SourceMap {
constructor(map, options) {
const out = options.decodedMappings ? toDecodedMap(map) : toEncodedMap(map);
this.version = out.version; // SourceMap spec says this should be first.
this.file = out.file;
this.mappings = out.mappings;
this.names = out.names;
this.ignoreList = out.ignoreList;
this.sourceRoot = out.sourceRoot;
this.sources = out.sources;
if (!options.excludeContent) {
this.sourcesContent = out.sourcesContent;
}
}
toString() {
return JSON.stringify(this);
}
}
/**
* Traces through all the mappings in the root sourcemap, through the sources
* (and their sourcemaps), all the way back to the original source location.
*
* `loader` will be called every time we encounter a source file. If it returns
* a sourcemap, we will recurse into that sourcemap to continue the trace. If
* it returns a falsey value, that source file is treated as an original,
* unmodified source file.
*
* Pass `excludeContent` to exclude any self-containing source file content
* from the output sourcemap.
*
* Pass `decodedMappings` to receive a SourceMap with decoded (instead of
* VLQ encoded) mappings.
*/
function remapping(input, loader, options) {
const opts = typeof options === 'object' ? options : { excludeContent: !!options, decodedMappings: false };
const tree = buildSourceMapTree(input, loader);
return new SourceMap(traceMappings(tree), opts);
}
export { remapping as default };
//# sourceMappingURL=remapping.mjs.map

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(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('@jridgewell/trace-mapping'), require('@jridgewell/gen-mapping')) :
typeof define === 'function' && define.amd ? define(['@jridgewell/trace-mapping', '@jridgewell/gen-mapping'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.remapping = factory(global.traceMapping, global.genMapping));
})(this, (function (traceMapping, genMapping) { 'use strict';
const SOURCELESS_MAPPING = /* #__PURE__ */ SegmentObject('', -1, -1, '', null, false);
const EMPTY_SOURCES = [];
function SegmentObject(source, line, column, name, content, ignore) {
return { source, line, column, name, content, ignore };
}
function Source(map, sources, source, content, ignore) {
return {
map,
sources,
source,
content,
ignore,
};
}
/**
* MapSource represents a single sourcemap, with the ability to trace mappings into its child nodes
* (which may themselves be SourceMapTrees).
*/
function MapSource(map, sources) {
return Source(map, sources, '', null, false);
}
/**
* A "leaf" node in the sourcemap tree, representing an original, unmodified source file. Recursive
* segment tracing ends at the `OriginalSource`.
*/
function OriginalSource(source, content, ignore) {
return Source(null, EMPTY_SOURCES, source, content, ignore);
}
/**
* traceMappings is only called on the root level SourceMapTree, and begins the process of
* resolving each mapping in terms of the original source files.
*/
function traceMappings(tree) {
// TODO: Eventually support sourceRoot, which has to be removed because the sources are already
// fully resolved. We'll need to make sources relative to the sourceRoot before adding them.
const gen = new genMapping.GenMapping({ file: tree.map.file });
const { sources: rootSources, map } = tree;
const rootNames = map.names;
const rootMappings = traceMapping.decodedMappings(map);
for (let i = 0; i < rootMappings.length; i++) {
const segments = rootMappings[i];
for (let j = 0; j < segments.length; j++) {
const segment = segments[j];
const genCol = segment[0];
let traced = SOURCELESS_MAPPING;
// 1-length segments only move the current generated column, there's no source information
// to gather from it.
if (segment.length !== 1) {
const source = rootSources[segment[1]];
traced = originalPositionFor(source, segment[2], segment[3], segment.length === 5 ? rootNames[segment[4]] : '');
// If the trace is invalid, then the trace ran into a sourcemap that doesn't contain a
// respective segment into an original source.
if (traced == null)
continue;
}
const { column, line, name, content, source, ignore } = traced;
genMapping.maybeAddSegment(gen, i, genCol, source, line, column, name);
if (source && content != null)
genMapping.setSourceContent(gen, source, content);
if (ignore)
genMapping.setIgnore(gen, source, true);
}
}
return gen;
}
/**
* originalPositionFor is only called on children SourceMapTrees. It recurses down into its own
* child SourceMapTrees, until we find the original source map.
*/
function originalPositionFor(source, line, column, name) {
if (!source.map) {
return SegmentObject(source.source, line, column, name, source.content, source.ignore);
}
const segment = traceMapping.traceSegment(source.map, line, column);
// If we couldn't find a segment, then this doesn't exist in the sourcemap.
if (segment == null)
return null;
// 1-length segments only move the current generated column, there's no source information
// to gather from it.
if (segment.length === 1)
return SOURCELESS_MAPPING;
return originalPositionFor(source.sources[segment[1]], segment[2], segment[3], segment.length === 5 ? source.map.names[segment[4]] : name);
}
function asArray(value) {
if (Array.isArray(value))
return value;
return [value];
}
/**
* Recursively builds a tree structure out of sourcemap files, with each node
* being either an `OriginalSource` "leaf" or a `SourceMapTree` composed of
* `OriginalSource`s and `SourceMapTree`s.
*
* Every sourcemap is composed of a collection of source files and mappings
* into locations of those source files. When we generate a `SourceMapTree` for
* the sourcemap, we attempt to load each source file's own sourcemap. If it
* does not have an associated sourcemap, it is considered an original,
* unmodified source file.
*/
function buildSourceMapTree(input, loader) {
const maps = asArray(input).map((m) => new traceMapping.TraceMap(m, ''));
const map = maps.pop();
for (let i = 0; i < maps.length; i++) {
if (maps[i].sources.length > 1) {
throw new Error(`Transformation map ${i} must have exactly one source file.\n` +
'Did you specify these with the most recent transformation maps first?');
}
}
let tree = build(map, loader, '', 0);
for (let i = maps.length - 1; i >= 0; i--) {
tree = MapSource(maps[i], [tree]);
}
return tree;
}
function build(map, loader, importer, importerDepth) {
const { resolvedSources, sourcesContent, ignoreList } = map;
const depth = importerDepth + 1;
const children = resolvedSources.map((sourceFile, i) => {
// The loading context gives the loader more information about why this file is being loaded
// (eg, from which importer). It also allows the loader to override the location of the loaded
// sourcemap/original source, or to override the content in the sourcesContent field if it's
// an unmodified source file.
const ctx = {
importer,
depth,
source: sourceFile || '',
content: undefined,
ignore: undefined,
};
// Use the provided loader callback to retrieve the file's sourcemap.
// TODO: We should eventually support async loading of sourcemap files.
const sourceMap = loader(ctx.source, ctx);
const { source, content, ignore } = ctx;
// If there is a sourcemap, then we need to recurse into it to load its source files.
if (sourceMap)
return build(new traceMapping.TraceMap(sourceMap, source), loader, source, depth);
// Else, it's an unmodified source file.
// The contents of this unmodified source file can be overridden via the loader context,
// allowing it to be explicitly null or a string. If it remains undefined, we fall back to
// the importing sourcemap's `sourcesContent` field.
const sourceContent = content !== undefined ? content : sourcesContent ? sourcesContent[i] : null;
const ignored = ignore !== undefined ? ignore : ignoreList ? ignoreList.includes(i) : false;
return OriginalSource(source, sourceContent, ignored);
});
return MapSource(map, children);
}
/**
* A SourceMap v3 compatible sourcemap, which only includes fields that were
* provided to it.
*/
class SourceMap {
constructor(map, options) {
const out = options.decodedMappings ? genMapping.toDecodedMap(map) : genMapping.toEncodedMap(map);
this.version = out.version; // SourceMap spec says this should be first.
this.file = out.file;
this.mappings = out.mappings;
this.names = out.names;
this.ignoreList = out.ignoreList;
this.sourceRoot = out.sourceRoot;
this.sources = out.sources;
if (!options.excludeContent) {
this.sourcesContent = out.sourcesContent;
}
}
toString() {
return JSON.stringify(this);
}
}
/**
* Traces through all the mappings in the root sourcemap, through the sources
* (and their sourcemaps), all the way back to the original source location.
*
* `loader` will be called every time we encounter a source file. If it returns
* a sourcemap, we will recurse into that sourcemap to continue the trace. If
* it returns a falsey value, that source file is treated as an original,
* unmodified source file.
*
* Pass `excludeContent` to exclude any self-containing source file content
* from the output sourcemap.
*
* Pass `decodedMappings` to receive a SourceMap with decoded (instead of
* VLQ encoded) mappings.
*/
function remapping(input, loader, options) {
const opts = typeof options === 'object' ? options : { excludeContent: !!options, decodedMappings: false };
const tree = buildSourceMapTree(input, loader);
return new SourceMap(traceMappings(tree), opts);
}
return remapping;
}));
//# sourceMappingURL=remapping.umd.js.map

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import type { MapSource as MapSourceType } from './source-map-tree';
import type { SourceMapInput, SourceMapLoader } from './types';
/**
* Recursively builds a tree structure out of sourcemap files, with each node
* being either an `OriginalSource` "leaf" or a `SourceMapTree` composed of
* `OriginalSource`s and `SourceMapTree`s.
*
* Every sourcemap is composed of a collection of source files and mappings
* into locations of those source files. When we generate a `SourceMapTree` for
* the sourcemap, we attempt to load each source file's own sourcemap. If it
* does not have an associated sourcemap, it is considered an original,
* unmodified source file.
*/
export default function buildSourceMapTree(input: SourceMapInput | SourceMapInput[], loader: SourceMapLoader): MapSourceType;

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import SourceMap from './source-map';
import type { SourceMapInput, SourceMapLoader, Options } from './types';
export type { SourceMapSegment, EncodedSourceMap, EncodedSourceMap as RawSourceMap, DecodedSourceMap, SourceMapInput, SourceMapLoader, LoaderContext, Options, } from './types';
export type { SourceMap };
/**
* Traces through all the mappings in the root sourcemap, through the sources
* (and their sourcemaps), all the way back to the original source location.
*
* `loader` will be called every time we encounter a source file. If it returns
* a sourcemap, we will recurse into that sourcemap to continue the trace. If
* it returns a falsey value, that source file is treated as an original,
* unmodified source file.
*
* Pass `excludeContent` to exclude any self-containing source file content
* from the output sourcemap.
*
* Pass `decodedMappings` to receive a SourceMap with decoded (instead of
* VLQ encoded) mappings.
*/
export default function remapping(input: SourceMapInput | SourceMapInput[], loader: SourceMapLoader, options?: boolean | Options): SourceMap;

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import { GenMapping } from '@jridgewell/gen-mapping';
import type { TraceMap } from '@jridgewell/trace-mapping';
export declare type SourceMapSegmentObject = {
column: number;
line: number;
name: string;
source: string;
content: string | null;
ignore: boolean;
};
export declare type OriginalSource = {
map: null;
sources: Sources[];
source: string;
content: string | null;
ignore: boolean;
};
export declare type MapSource = {
map: TraceMap;
sources: Sources[];
source: string;
content: null;
ignore: false;
};
export declare type Sources = OriginalSource | MapSource;
/**
* MapSource represents a single sourcemap, with the ability to trace mappings into its child nodes
* (which may themselves be SourceMapTrees).
*/
export declare function MapSource(map: TraceMap, sources: Sources[]): MapSource;
/**
* A "leaf" node in the sourcemap tree, representing an original, unmodified source file. Recursive
* segment tracing ends at the `OriginalSource`.
*/
export declare function OriginalSource(source: string, content: string | null, ignore: boolean): OriginalSource;
/**
* traceMappings is only called on the root level SourceMapTree, and begins the process of
* resolving each mapping in terms of the original source files.
*/
export declare function traceMappings(tree: MapSource): GenMapping;
/**
* originalPositionFor is only called on children SourceMapTrees. It recurses down into its own
* child SourceMapTrees, until we find the original source map.
*/
export declare function originalPositionFor(source: Sources, line: number, column: number, name: string): SourceMapSegmentObject | null;

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import type { GenMapping } from '@jridgewell/gen-mapping';
import type { DecodedSourceMap, EncodedSourceMap, Options } from './types';
/**
* A SourceMap v3 compatible sourcemap, which only includes fields that were
* provided to it.
*/
export default class SourceMap {
file?: string | null;
mappings: EncodedSourceMap['mappings'] | DecodedSourceMap['mappings'];
sourceRoot?: string;
names: string[];
sources: (string | null)[];
sourcesContent?: (string | null)[];
version: 3;
ignoreList: number[] | undefined;
constructor(map: GenMapping, options: Options);
toString(): string;
}

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import type { SourceMapInput } from '@jridgewell/trace-mapping';
export type { SourceMapSegment, DecodedSourceMap, EncodedSourceMap, } from '@jridgewell/trace-mapping';
export type { SourceMapInput };
export declare type LoaderContext = {
readonly importer: string;
readonly depth: number;
source: string;
content: string | null | undefined;
ignore: boolean | undefined;
};
export declare type SourceMapLoader = (file: string, ctx: LoaderContext) => SourceMapInput | null | undefined | void;
export declare type Options = {
excludeContent?: boolean;
decodedMappings?: boolean;
};

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{
"name": "@ampproject/remapping",
"version": "2.3.0",
"description": "Remap sequential sourcemaps through transformations to point at the original source code",
"keywords": [
"source",
"map",
"remap"
],
"main": "dist/remapping.umd.js",
"module": "dist/remapping.mjs",
"types": "dist/types/remapping.d.ts",
"exports": {
".": [
{
"types": "./dist/types/remapping.d.ts",
"browser": "./dist/remapping.umd.js",
"require": "./dist/remapping.umd.js",
"import": "./dist/remapping.mjs"
},
"./dist/remapping.umd.js"
],
"./package.json": "./package.json"
},
"files": [
"dist"
],
"author": "Justin Ridgewell <jridgewell@google.com>",
"repository": {
"type": "git",
"url": "git+https://github.com/ampproject/remapping.git"
},
"license": "Apache-2.0",
"engines": {
"node": ">=6.0.0"
},
"scripts": {
"build": "run-s -n build:*",
"build:rollup": "rollup -c rollup.config.js",
"build:ts": "tsc --project tsconfig.build.json",
"lint": "run-s -n lint:*",
"lint:prettier": "npm run test:lint:prettier -- --write",
"lint:ts": "npm run test:lint:ts -- --fix",
"prebuild": "rm -rf dist",
"prepublishOnly": "npm run preversion",
"preversion": "run-s test build",
"test": "run-s -n test:lint test:only",
"test:debug": "node --inspect-brk node_modules/.bin/jest --runInBand",
"test:lint": "run-s -n test:lint:*",
"test:lint:prettier": "prettier --check '{src,test}/**/*.ts'",
"test:lint:ts": "eslint '{src,test}/**/*.ts'",
"test:only": "jest --coverage",
"test:watch": "jest --coverage --watch"
},
"devDependencies": {
"@rollup/plugin-typescript": "8.3.2",
"@types/jest": "27.4.1",
"@typescript-eslint/eslint-plugin": "5.20.0",
"@typescript-eslint/parser": "5.20.0",
"eslint": "8.14.0",
"eslint-config-prettier": "8.5.0",
"jest": "27.5.1",
"jest-config": "27.5.1",
"npm-run-all": "4.1.5",
"prettier": "2.6.2",
"rollup": "2.70.2",
"ts-jest": "27.1.4",
"tslib": "2.4.0",
"typescript": "4.6.3"
},
"dependencies": {
"@jridgewell/gen-mapping": "^0.3.5",
"@jridgewell/trace-mapping": "^0.3.24"
}
}

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# esbuild
This is the Windows 64-bit binary for esbuild, a JavaScript bundler and minifier. See https://github.com/evanw/esbuild for details.

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{
"name": "@esbuild/win32-x64",
"version": "0.21.5",
"description": "The Windows 64-bit binary for esbuild, a JavaScript bundler.",
"repository": {
"type": "git",
"url": "git+https://github.com/evanw/esbuild.git"
},
"license": "MIT",
"preferUnplugged": true,
"engines": {
"node": ">=12"
},
"os": [
"win32"
],
"cpu": [
"x64"
]
}

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Copyright 2024 Justin Ridgewell <justin@ridgewell.name>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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# @jridgewell/gen-mapping
> Generate source maps
`gen-mapping` allows you to generate a source map during transpilation or minification.
With a source map, you're able to trace the original location in the source file, either in Chrome's
DevTools or using a library like [`@jridgewell/trace-mapping`][trace-mapping].
You may already be familiar with the [`source-map`][source-map] package's `SourceMapGenerator`. This
provides the same `addMapping` and `setSourceContent` API.
## Installation
```sh
npm install @jridgewell/gen-mapping
```
## Usage
```typescript
import { GenMapping, addMapping, setSourceContent, toEncodedMap, toDecodedMap } from '@jridgewell/gen-mapping';
const map = new GenMapping({
file: 'output.js',
sourceRoot: 'https://example.com/',
});
setSourceContent(map, 'input.js', `function foo() {}`);
addMapping(map, {
// Lines start at line 1, columns at column 0.
generated: { line: 1, column: 0 },
source: 'input.js',
original: { line: 1, column: 0 },
});
addMapping(map, {
generated: { line: 1, column: 9 },
source: 'input.js',
original: { line: 1, column: 9 },
name: 'foo',
});
assert.deepEqual(toDecodedMap(map), {
version: 3,
file: 'output.js',
names: ['foo'],
sourceRoot: 'https://example.com/',
sources: ['input.js'],
sourcesContent: ['function foo() {}'],
mappings: [
[ [0, 0, 0, 0], [9, 0, 0, 9, 0] ]
],
});
assert.deepEqual(toEncodedMap(map), {
version: 3,
file: 'output.js',
names: ['foo'],
sourceRoot: 'https://example.com/',
sources: ['input.js'],
sourcesContent: ['function foo() {}'],
mappings: 'AAAA,SAASA',
});
```
### Smaller Sourcemaps
Not everything needs to be added to a sourcemap, and needless markings can cause signficantly
larger file sizes. `gen-mapping` exposes `maybeAddSegment`/`maybeAddMapping` APIs that will
intelligently determine if this marking adds useful information. If not, the marking will be
skipped.
```typescript
import { maybeAddMapping } from '@jridgewell/gen-mapping';
const map = new GenMapping();
// Adding a sourceless marking at the beginning of a line isn't useful.
maybeAddMapping(map, {
generated: { line: 1, column: 0 },
});
// Adding a new source marking is useful.
maybeAddMapping(map, {
generated: { line: 1, column: 0 },
source: 'input.js',
original: { line: 1, column: 0 },
});
// But adding another marking pointing to the exact same original location isn't, even if the
// generated column changed.
maybeAddMapping(map, {
generated: { line: 1, column: 9 },
source: 'input.js',
original: { line: 1, column: 0 },
});
assert.deepEqual(toEncodedMap(map), {
version: 3,
names: [],
sources: ['input.js'],
sourcesContent: [null],
mappings: 'AAAA',
});
```
## Benchmarks
```
node v18.0.0
amp.js.map
Memory Usage:
gen-mapping: addSegment 5852872 bytes
gen-mapping: addMapping 7716042 bytes
source-map-js 6143250 bytes
source-map-0.6.1 6124102 bytes
source-map-0.8.0 6121173 bytes
Smallest memory usage is gen-mapping: addSegment
Adding speed:
gen-mapping: addSegment x 441 ops/sec ±2.07% (90 runs sampled)
gen-mapping: addMapping x 350 ops/sec ±2.40% (86 runs sampled)
source-map-js: addMapping x 169 ops/sec ±2.42% (80 runs sampled)
source-map-0.6.1: addMapping x 167 ops/sec ±2.56% (80 runs sampled)
source-map-0.8.0: addMapping x 168 ops/sec ±2.52% (80 runs sampled)
Fastest is gen-mapping: addSegment
Generate speed:
gen-mapping: decoded output x 150,824,370 ops/sec ±0.07% (102 runs sampled)
gen-mapping: encoded output x 663 ops/sec ±0.22% (98 runs sampled)
source-map-js: encoded output x 197 ops/sec ±0.45% (84 runs sampled)
source-map-0.6.1: encoded output x 198 ops/sec ±0.33% (85 runs sampled)
source-map-0.8.0: encoded output x 197 ops/sec ±0.06% (93 runs sampled)
Fastest is gen-mapping: decoded output
***
babel.min.js.map
Memory Usage:
gen-mapping: addSegment 37578063 bytes
gen-mapping: addMapping 37212897 bytes
source-map-js 47638527 bytes
source-map-0.6.1 47690503 bytes
source-map-0.8.0 47470188 bytes
Smallest memory usage is gen-mapping: addMapping
Adding speed:
gen-mapping: addSegment x 31.05 ops/sec ±8.31% (43 runs sampled)
gen-mapping: addMapping x 29.83 ops/sec ±7.36% (51 runs sampled)
source-map-js: addMapping x 20.73 ops/sec ±6.22% (38 runs sampled)
source-map-0.6.1: addMapping x 20.03 ops/sec ±10.51% (38 runs sampled)
source-map-0.8.0: addMapping x 19.30 ops/sec ±8.27% (37 runs sampled)
Fastest is gen-mapping: addSegment
Generate speed:
gen-mapping: decoded output x 381,379,234 ops/sec ±0.29% (96 runs sampled)
gen-mapping: encoded output x 95.15 ops/sec ±2.98% (72 runs sampled)
source-map-js: encoded output x 15.20 ops/sec ±7.41% (33 runs sampled)
source-map-0.6.1: encoded output x 16.36 ops/sec ±10.46% (31 runs sampled)
source-map-0.8.0: encoded output x 16.06 ops/sec ±6.45% (31 runs sampled)
Fastest is gen-mapping: decoded output
***
preact.js.map
Memory Usage:
gen-mapping: addSegment 416247 bytes
gen-mapping: addMapping 419824 bytes
source-map-js 1024619 bytes
source-map-0.6.1 1146004 bytes
source-map-0.8.0 1113250 bytes
Smallest memory usage is gen-mapping: addSegment
Adding speed:
gen-mapping: addSegment x 13,755 ops/sec ±0.15% (98 runs sampled)
gen-mapping: addMapping x 13,013 ops/sec ±0.11% (101 runs sampled)
source-map-js: addMapping x 4,564 ops/sec ±0.21% (98 runs sampled)
source-map-0.6.1: addMapping x 4,562 ops/sec ±0.11% (99 runs sampled)
source-map-0.8.0: addMapping x 4,593 ops/sec ±0.11% (100 runs sampled)
Fastest is gen-mapping: addSegment
Generate speed:
gen-mapping: decoded output x 379,864,020 ops/sec ±0.23% (93 runs sampled)
gen-mapping: encoded output x 14,368 ops/sec ±4.07% (82 runs sampled)
source-map-js: encoded output x 5,261 ops/sec ±0.21% (99 runs sampled)
source-map-0.6.1: encoded output x 5,124 ops/sec ±0.58% (99 runs sampled)
source-map-0.8.0: encoded output x 5,434 ops/sec ±0.33% (96 runs sampled)
Fastest is gen-mapping: decoded output
***
react.js.map
Memory Usage:
gen-mapping: addSegment 975096 bytes
gen-mapping: addMapping 1102981 bytes
source-map-js 2918836 bytes
source-map-0.6.1 2885435 bytes
source-map-0.8.0 2874336 bytes
Smallest memory usage is gen-mapping: addSegment
Adding speed:
gen-mapping: addSegment x 4,772 ops/sec ±0.15% (100 runs sampled)
gen-mapping: addMapping x 4,456 ops/sec ±0.13% (97 runs sampled)
source-map-js: addMapping x 1,618 ops/sec ±0.24% (97 runs sampled)
source-map-0.6.1: addMapping x 1,622 ops/sec ±0.12% (99 runs sampled)
source-map-0.8.0: addMapping x 1,631 ops/sec ±0.12% (100 runs sampled)
Fastest is gen-mapping: addSegment
Generate speed:
gen-mapping: decoded output x 379,107,695 ops/sec ±0.07% (99 runs sampled)
gen-mapping: encoded output x 5,421 ops/sec ±1.60% (89 runs sampled)
source-map-js: encoded output x 2,113 ops/sec ±1.81% (98 runs sampled)
source-map-0.6.1: encoded output x 2,126 ops/sec ±0.10% (100 runs sampled)
source-map-0.8.0: encoded output x 2,176 ops/sec ±0.39% (98 runs sampled)
Fastest is gen-mapping: decoded output
```
[source-map]: https://www.npmjs.com/package/source-map
[trace-mapping]: https://github.com/jridgewell/sourcemaps/tree/main/packages/trace-mapping

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// src/set-array.ts
var SetArray = class {
constructor() {
this._indexes = { __proto__: null };
this.array = [];
}
};
function cast(set) {
return set;
}
function get(setarr, key) {
return cast(setarr)._indexes[key];
}
function put(setarr, key) {
const index = get(setarr, key);
if (index !== void 0) return index;
const { array, _indexes: indexes } = cast(setarr);
const length = array.push(key);
return indexes[key] = length - 1;
}
function remove(setarr, key) {
const index = get(setarr, key);
if (index === void 0) return;
const { array, _indexes: indexes } = cast(setarr);
for (let i = index + 1; i < array.length; i++) {
const k = array[i];
array[i - 1] = k;
indexes[k]--;
}
indexes[key] = void 0;
array.pop();
}
// src/gen-mapping.ts
import {
encode
} from "@jridgewell/sourcemap-codec";
import { TraceMap, decodedMappings } from "@jridgewell/trace-mapping";
// src/sourcemap-segment.ts
var COLUMN = 0;
var SOURCES_INDEX = 1;
var SOURCE_LINE = 2;
var SOURCE_COLUMN = 3;
var NAMES_INDEX = 4;
// src/gen-mapping.ts
var NO_NAME = -1;
var GenMapping = class {
constructor({ file, sourceRoot } = {}) {
this._names = new SetArray();
this._sources = new SetArray();
this._sourcesContent = [];
this._mappings = [];
this.file = file;
this.sourceRoot = sourceRoot;
this._ignoreList = new SetArray();
}
};
function cast2(map) {
return map;
}
function addSegment(map, genLine, genColumn, source, sourceLine, sourceColumn, name, content) {
return addSegmentInternal(
false,
map,
genLine,
genColumn,
source,
sourceLine,
sourceColumn,
name,
content
);
}
function addMapping(map, mapping) {
return addMappingInternal(false, map, mapping);
}
var maybeAddSegment = (map, genLine, genColumn, source, sourceLine, sourceColumn, name, content) => {
return addSegmentInternal(
true,
map,
genLine,
genColumn,
source,
sourceLine,
sourceColumn,
name,
content
);
};
var maybeAddMapping = (map, mapping) => {
return addMappingInternal(true, map, mapping);
};
function setSourceContent(map, source, content) {
const {
_sources: sources,
_sourcesContent: sourcesContent
// _originalScopes: originalScopes,
} = cast2(map);
const index = put(sources, source);
sourcesContent[index] = content;
}
function setIgnore(map, source, ignore = true) {
const {
_sources: sources,
_sourcesContent: sourcesContent,
_ignoreList: ignoreList
// _originalScopes: originalScopes,
} = cast2(map);
const index = put(sources, source);
if (index === sourcesContent.length) sourcesContent[index] = null;
if (ignore) put(ignoreList, index);
else remove(ignoreList, index);
}
function toDecodedMap(map) {
const {
_mappings: mappings,
_sources: sources,
_sourcesContent: sourcesContent,
_names: names,
_ignoreList: ignoreList
// _originalScopes: originalScopes,
// _generatedRanges: generatedRanges,
} = cast2(map);
removeEmptyFinalLines(mappings);
return {
version: 3,
file: map.file || void 0,
names: names.array,
sourceRoot: map.sourceRoot || void 0,
sources: sources.array,
sourcesContent,
mappings,
// originalScopes,
// generatedRanges,
ignoreList: ignoreList.array
};
}
function toEncodedMap(map) {
const decoded = toDecodedMap(map);
return Object.assign({}, decoded, {
// originalScopes: decoded.originalScopes.map((os) => encodeOriginalScopes(os)),
// generatedRanges: encodeGeneratedRanges(decoded.generatedRanges as GeneratedRange[]),
mappings: encode(decoded.mappings)
});
}
function fromMap(input) {
const map = new TraceMap(input);
const gen = new GenMapping({ file: map.file, sourceRoot: map.sourceRoot });
putAll(cast2(gen)._names, map.names);
putAll(cast2(gen)._sources, map.sources);
cast2(gen)._sourcesContent = map.sourcesContent || map.sources.map(() => null);
cast2(gen)._mappings = decodedMappings(map);
if (map.ignoreList) putAll(cast2(gen)._ignoreList, map.ignoreList);
return gen;
}
function allMappings(map) {
const out = [];
const { _mappings: mappings, _sources: sources, _names: names } = cast2(map);
for (let i = 0; i < mappings.length; i++) {
const line = mappings[i];
for (let j = 0; j < line.length; j++) {
const seg = line[j];
const generated = { line: i + 1, column: seg[COLUMN] };
let source = void 0;
let original = void 0;
let name = void 0;
if (seg.length !== 1) {
source = sources.array[seg[SOURCES_INDEX]];
original = { line: seg[SOURCE_LINE] + 1, column: seg[SOURCE_COLUMN] };
if (seg.length === 5) name = names.array[seg[NAMES_INDEX]];
}
out.push({ generated, source, original, name });
}
}
return out;
}
function addSegmentInternal(skipable, map, genLine, genColumn, source, sourceLine, sourceColumn, name, content) {
const {
_mappings: mappings,
_sources: sources,
_sourcesContent: sourcesContent,
_names: names
// _originalScopes: originalScopes,
} = cast2(map);
const line = getIndex(mappings, genLine);
const index = getColumnIndex(line, genColumn);
if (!source) {
if (skipable && skipSourceless(line, index)) return;
return insert(line, index, [genColumn]);
}
assert(sourceLine);
assert(sourceColumn);
const sourcesIndex = put(sources, source);
const namesIndex = name ? put(names, name) : NO_NAME;
if (sourcesIndex === sourcesContent.length) sourcesContent[sourcesIndex] = content != null ? content : null;
if (skipable && skipSource(line, index, sourcesIndex, sourceLine, sourceColumn, namesIndex)) {
return;
}
return insert(
line,
index,
name ? [genColumn, sourcesIndex, sourceLine, sourceColumn, namesIndex] : [genColumn, sourcesIndex, sourceLine, sourceColumn]
);
}
function assert(_val) {
}
function getIndex(arr, index) {
for (let i = arr.length; i <= index; i++) {
arr[i] = [];
}
return arr[index];
}
function getColumnIndex(line, genColumn) {
let index = line.length;
for (let i = index - 1; i >= 0; index = i--) {
const current = line[i];
if (genColumn >= current[COLUMN]) break;
}
return index;
}
function insert(array, index, value) {
for (let i = array.length; i > index; i--) {
array[i] = array[i - 1];
}
array[index] = value;
}
function removeEmptyFinalLines(mappings) {
const { length } = mappings;
let len = length;
for (let i = len - 1; i >= 0; len = i, i--) {
if (mappings[i].length > 0) break;
}
if (len < length) mappings.length = len;
}
function putAll(setarr, array) {
for (let i = 0; i < array.length; i++) put(setarr, array[i]);
}
function skipSourceless(line, index) {
if (index === 0) return true;
const prev = line[index - 1];
return prev.length === 1;
}
function skipSource(line, index, sourcesIndex, sourceLine, sourceColumn, namesIndex) {
if (index === 0) return false;
const prev = line[index - 1];
if (prev.length === 1) return false;
return sourcesIndex === prev[SOURCES_INDEX] && sourceLine === prev[SOURCE_LINE] && sourceColumn === prev[SOURCE_COLUMN] && namesIndex === (prev.length === 5 ? prev[NAMES_INDEX] : NO_NAME);
}
function addMappingInternal(skipable, map, mapping) {
const { generated, source, original, name, content } = mapping;
if (!source) {
return addSegmentInternal(
skipable,
map,
generated.line - 1,
generated.column,
null,
null,
null,
null,
null
);
}
assert(original);
return addSegmentInternal(
skipable,
map,
generated.line - 1,
generated.column,
source,
original.line - 1,
original.column,
name,
content
);
}
export {
GenMapping,
addMapping,
addSegment,
allMappings,
fromMap,
maybeAddMapping,
maybeAddSegment,
setIgnore,
setSourceContent,
toDecodedMap,
toEncodedMap
};
//# sourceMappingURL=gen-mapping.mjs.map

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(function (global, factory) {
if (typeof exports === 'object' && typeof module !== 'undefined') {
factory(module, require('@jridgewell/sourcemap-codec'), require('@jridgewell/trace-mapping'));
module.exports = def(module);
} else if (typeof define === 'function' && define.amd) {
define(['module', '@jridgewell/sourcemap-codec', '@jridgewell/trace-mapping'], function(mod) {
factory.apply(this, arguments);
mod.exports = def(mod);
});
} else {
const mod = { exports: {} };
factory(mod, global.sourcemapCodec, global.traceMapping);
global = typeof globalThis !== 'undefined' ? globalThis : global || self;
global.genMapping = def(mod);
}
function def(m) { return 'default' in m.exports ? m.exports.default : m.exports; }
})(this, (function (module, require_sourcemapCodec, require_traceMapping) {
"use strict";
var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __commonJS = (cb, mod) => function __require() {
return mod || (0, cb[__getOwnPropNames(cb)[0]])((mod = { exports: {} }).exports, mod), mod.exports;
};
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
// If the importer is in node compatibility mode or this is not an ESM
// file that has been converted to a CommonJS file using a Babel-
// compatible transform (i.e. "__esModule" has not been set), then set
// "default" to the CommonJS "module.exports" for node compatibility.
isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
// umd:@jridgewell/sourcemap-codec
var require_sourcemap_codec = __commonJS({
"umd:@jridgewell/sourcemap-codec"(exports, module2) {
module2.exports = require_sourcemapCodec;
}
});
// umd:@jridgewell/trace-mapping
var require_trace_mapping = __commonJS({
"umd:@jridgewell/trace-mapping"(exports, module2) {
module2.exports = require_traceMapping;
}
});
// src/gen-mapping.ts
var gen_mapping_exports = {};
__export(gen_mapping_exports, {
GenMapping: () => GenMapping,
addMapping: () => addMapping,
addSegment: () => addSegment,
allMappings: () => allMappings,
fromMap: () => fromMap,
maybeAddMapping: () => maybeAddMapping,
maybeAddSegment: () => maybeAddSegment,
setIgnore: () => setIgnore,
setSourceContent: () => setSourceContent,
toDecodedMap: () => toDecodedMap,
toEncodedMap: () => toEncodedMap
});
module.exports = __toCommonJS(gen_mapping_exports);
// src/set-array.ts
var SetArray = class {
constructor() {
this._indexes = { __proto__: null };
this.array = [];
}
};
function cast(set) {
return set;
}
function get(setarr, key) {
return cast(setarr)._indexes[key];
}
function put(setarr, key) {
const index = get(setarr, key);
if (index !== void 0) return index;
const { array, _indexes: indexes } = cast(setarr);
const length = array.push(key);
return indexes[key] = length - 1;
}
function remove(setarr, key) {
const index = get(setarr, key);
if (index === void 0) return;
const { array, _indexes: indexes } = cast(setarr);
for (let i = index + 1; i < array.length; i++) {
const k = array[i];
array[i - 1] = k;
indexes[k]--;
}
indexes[key] = void 0;
array.pop();
}
// src/gen-mapping.ts
var import_sourcemap_codec = __toESM(require_sourcemap_codec());
var import_trace_mapping = __toESM(require_trace_mapping());
// src/sourcemap-segment.ts
var COLUMN = 0;
var SOURCES_INDEX = 1;
var SOURCE_LINE = 2;
var SOURCE_COLUMN = 3;
var NAMES_INDEX = 4;
// src/gen-mapping.ts
var NO_NAME = -1;
var GenMapping = class {
constructor({ file, sourceRoot } = {}) {
this._names = new SetArray();
this._sources = new SetArray();
this._sourcesContent = [];
this._mappings = [];
this.file = file;
this.sourceRoot = sourceRoot;
this._ignoreList = new SetArray();
}
};
function cast2(map) {
return map;
}
function addSegment(map, genLine, genColumn, source, sourceLine, sourceColumn, name, content) {
return addSegmentInternal(
false,
map,
genLine,
genColumn,
source,
sourceLine,
sourceColumn,
name,
content
);
}
function addMapping(map, mapping) {
return addMappingInternal(false, map, mapping);
}
var maybeAddSegment = (map, genLine, genColumn, source, sourceLine, sourceColumn, name, content) => {
return addSegmentInternal(
true,
map,
genLine,
genColumn,
source,
sourceLine,
sourceColumn,
name,
content
);
};
var maybeAddMapping = (map, mapping) => {
return addMappingInternal(true, map, mapping);
};
function setSourceContent(map, source, content) {
const {
_sources: sources,
_sourcesContent: sourcesContent
// _originalScopes: originalScopes,
} = cast2(map);
const index = put(sources, source);
sourcesContent[index] = content;
}
function setIgnore(map, source, ignore = true) {
const {
_sources: sources,
_sourcesContent: sourcesContent,
_ignoreList: ignoreList
// _originalScopes: originalScopes,
} = cast2(map);
const index = put(sources, source);
if (index === sourcesContent.length) sourcesContent[index] = null;
if (ignore) put(ignoreList, index);
else remove(ignoreList, index);
}
function toDecodedMap(map) {
const {
_mappings: mappings,
_sources: sources,
_sourcesContent: sourcesContent,
_names: names,
_ignoreList: ignoreList
// _originalScopes: originalScopes,
// _generatedRanges: generatedRanges,
} = cast2(map);
removeEmptyFinalLines(mappings);
return {
version: 3,
file: map.file || void 0,
names: names.array,
sourceRoot: map.sourceRoot || void 0,
sources: sources.array,
sourcesContent,
mappings,
// originalScopes,
// generatedRanges,
ignoreList: ignoreList.array
};
}
function toEncodedMap(map) {
const decoded = toDecodedMap(map);
return Object.assign({}, decoded, {
// originalScopes: decoded.originalScopes.map((os) => encodeOriginalScopes(os)),
// generatedRanges: encodeGeneratedRanges(decoded.generatedRanges as GeneratedRange[]),
mappings: (0, import_sourcemap_codec.encode)(decoded.mappings)
});
}
function fromMap(input) {
const map = new import_trace_mapping.TraceMap(input);
const gen = new GenMapping({ file: map.file, sourceRoot: map.sourceRoot });
putAll(cast2(gen)._names, map.names);
putAll(cast2(gen)._sources, map.sources);
cast2(gen)._sourcesContent = map.sourcesContent || map.sources.map(() => null);
cast2(gen)._mappings = (0, import_trace_mapping.decodedMappings)(map);
if (map.ignoreList) putAll(cast2(gen)._ignoreList, map.ignoreList);
return gen;
}
function allMappings(map) {
const out = [];
const { _mappings: mappings, _sources: sources, _names: names } = cast2(map);
for (let i = 0; i < mappings.length; i++) {
const line = mappings[i];
for (let j = 0; j < line.length; j++) {
const seg = line[j];
const generated = { line: i + 1, column: seg[COLUMN] };
let source = void 0;
let original = void 0;
let name = void 0;
if (seg.length !== 1) {
source = sources.array[seg[SOURCES_INDEX]];
original = { line: seg[SOURCE_LINE] + 1, column: seg[SOURCE_COLUMN] };
if (seg.length === 5) name = names.array[seg[NAMES_INDEX]];
}
out.push({ generated, source, original, name });
}
}
return out;
}
function addSegmentInternal(skipable, map, genLine, genColumn, source, sourceLine, sourceColumn, name, content) {
const {
_mappings: mappings,
_sources: sources,
_sourcesContent: sourcesContent,
_names: names
// _originalScopes: originalScopes,
} = cast2(map);
const line = getIndex(mappings, genLine);
const index = getColumnIndex(line, genColumn);
if (!source) {
if (skipable && skipSourceless(line, index)) return;
return insert(line, index, [genColumn]);
}
assert(sourceLine);
assert(sourceColumn);
const sourcesIndex = put(sources, source);
const namesIndex = name ? put(names, name) : NO_NAME;
if (sourcesIndex === sourcesContent.length) sourcesContent[sourcesIndex] = content != null ? content : null;
if (skipable && skipSource(line, index, sourcesIndex, sourceLine, sourceColumn, namesIndex)) {
return;
}
return insert(
line,
index,
name ? [genColumn, sourcesIndex, sourceLine, sourceColumn, namesIndex] : [genColumn, sourcesIndex, sourceLine, sourceColumn]
);
}
function assert(_val) {
}
function getIndex(arr, index) {
for (let i = arr.length; i <= index; i++) {
arr[i] = [];
}
return arr[index];
}
function getColumnIndex(line, genColumn) {
let index = line.length;
for (let i = index - 1; i >= 0; index = i--) {
const current = line[i];
if (genColumn >= current[COLUMN]) break;
}
return index;
}
function insert(array, index, value) {
for (let i = array.length; i > index; i--) {
array[i] = array[i - 1];
}
array[index] = value;
}
function removeEmptyFinalLines(mappings) {
const { length } = mappings;
let len = length;
for (let i = len - 1; i >= 0; len = i, i--) {
if (mappings[i].length > 0) break;
}
if (len < length) mappings.length = len;
}
function putAll(setarr, array) {
for (let i = 0; i < array.length; i++) put(setarr, array[i]);
}
function skipSourceless(line, index) {
if (index === 0) return true;
const prev = line[index - 1];
return prev.length === 1;
}
function skipSource(line, index, sourcesIndex, sourceLine, sourceColumn, namesIndex) {
if (index === 0) return false;
const prev = line[index - 1];
if (prev.length === 1) return false;
return sourcesIndex === prev[SOURCES_INDEX] && sourceLine === prev[SOURCE_LINE] && sourceColumn === prev[SOURCE_COLUMN] && namesIndex === (prev.length === 5 ? prev[NAMES_INDEX] : NO_NAME);
}
function addMappingInternal(skipable, map, mapping) {
const { generated, source, original, name, content } = mapping;
if (!source) {
return addSegmentInternal(
skipable,
map,
generated.line - 1,
generated.column,
null,
null,
null,
null,
null
);
}
assert(original);
return addSegmentInternal(
skipable,
map,
generated.line - 1,
generated.column,
source,
original.line - 1,
original.column,
name,
content
);
}
}));
//# sourceMappingURL=gen-mapping.umd.js.map

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import type { SourceMapInput } from '@jridgewell/trace-mapping';
import type { DecodedSourceMap, EncodedSourceMap, Pos, Mapping } from './types';
export type { DecodedSourceMap, EncodedSourceMap, Mapping };
export type Options = {
file?: string | null;
sourceRoot?: string | null;
};
/**
* Provides the state to generate a sourcemap.
*/
export declare class GenMapping {
private _names;
private _sources;
private _sourcesContent;
private _mappings;
private _ignoreList;
file: string | null | undefined;
sourceRoot: string | null | undefined;
constructor({ file, sourceRoot }?: Options);
}
/**
* A low-level API to associate a generated position with an original source position. Line and
* column here are 0-based, unlike `addMapping`.
*/
export declare function addSegment(map: GenMapping, genLine: number, genColumn: number, source?: null, sourceLine?: null, sourceColumn?: null, name?: null, content?: null): void;
export declare function addSegment(map: GenMapping, genLine: number, genColumn: number, source: string, sourceLine: number, sourceColumn: number, name?: null, content?: string | null): void;
export declare function addSegment(map: GenMapping, genLine: number, genColumn: number, source: string, sourceLine: number, sourceColumn: number, name: string, content?: string | null): void;
/**
* A high-level API to associate a generated position with an original source position. Line is
* 1-based, but column is 0-based, due to legacy behavior in `source-map` library.
*/
export declare function addMapping(map: GenMapping, mapping: {
generated: Pos;
source?: null;
original?: null;
name?: null;
content?: null;
}): void;
export declare function addMapping(map: GenMapping, mapping: {
generated: Pos;
source: string;
original: Pos;
name?: null;
content?: string | null;
}): void;
export declare function addMapping(map: GenMapping, mapping: {
generated: Pos;
source: string;
original: Pos;
name: string;
content?: string | null;
}): void;
/**
* Same as `addSegment`, but will only add the segment if it generates useful information in the
* resulting map. This only works correctly if segments are added **in order**, meaning you should
* not add a segment with a lower generated line/column than one that came before.
*/
export declare const maybeAddSegment: typeof addSegment;
/**
* Same as `addMapping`, but will only add the mapping if it generates useful information in the
* resulting map. This only works correctly if mappings are added **in order**, meaning you should
* not add a mapping with a lower generated line/column than one that came before.
*/
export declare const maybeAddMapping: typeof addMapping;
/**
* Adds/removes the content of the source file to the source map.
*/
export declare function setSourceContent(map: GenMapping, source: string, content: string | null): void;
export declare function setIgnore(map: GenMapping, source: string, ignore?: boolean): void;
/**
* Returns a sourcemap object (with decoded mappings) suitable for passing to a library that expects
* a sourcemap, or to JSON.stringify.
*/
export declare function toDecodedMap(map: GenMapping): DecodedSourceMap;
/**
* Returns a sourcemap object (with encoded mappings) suitable for passing to a library that expects
* a sourcemap, or to JSON.stringify.
*/
export declare function toEncodedMap(map: GenMapping): EncodedSourceMap;
/**
* Constructs a new GenMapping, using the already present mappings of the input.
*/
export declare function fromMap(input: SourceMapInput): GenMapping;
/**
* Returns an array of high-level mapping objects for every recorded segment, which could then be
* passed to the `source-map` library.
*/
export declare function allMappings(map: GenMapping): Mapping[];

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type Key = string | number | symbol;
/**
* SetArray acts like a `Set` (allowing only one occurrence of a string `key`), but provides the
* index of the `key` in the backing array.
*
* This is designed to allow synchronizing a second array with the contents of the backing array,
* like how in a sourcemap `sourcesContent[i]` is the source content associated with `source[i]`,
* and there are never duplicates.
*/
export declare class SetArray<T extends Key = Key> {
private _indexes;
array: readonly T[];
constructor();
}
/**
* Gets the index associated with `key` in the backing array, if it is already present.
*/
export declare function get<T extends Key>(setarr: SetArray<T>, key: T): number | undefined;
/**
* Puts `key` into the backing array, if it is not already present. Returns
* the index of the `key` in the backing array.
*/
export declare function put<T extends Key>(setarr: SetArray<T>, key: T): number;
/**
* Pops the last added item out of the SetArray.
*/
export declare function pop<T extends Key>(setarr: SetArray<T>): void;
/**
* Removes the key, if it exists in the set.
*/
export declare function remove<T extends Key>(setarr: SetArray<T>, key: T): void;
export {};

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type GeneratedColumn = number;
type SourcesIndex = number;
type SourceLine = number;
type SourceColumn = number;
type NamesIndex = number;
export type SourceMapSegment = [GeneratedColumn] | [GeneratedColumn, SourcesIndex, SourceLine, SourceColumn] | [GeneratedColumn, SourcesIndex, SourceLine, SourceColumn, NamesIndex];
export declare const COLUMN = 0;
export declare const SOURCES_INDEX = 1;
export declare const SOURCE_LINE = 2;
export declare const SOURCE_COLUMN = 3;
export declare const NAMES_INDEX = 4;
export {};

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import type { SourceMapSegment } from './sourcemap-segment';
export interface SourceMapV3 {
file?: string | null;
names: readonly string[];
sourceRoot?: string;
sources: readonly (string | null)[];
sourcesContent?: readonly (string | null)[];
version: 3;
ignoreList?: readonly number[];
}
export interface EncodedSourceMap extends SourceMapV3 {
mappings: string;
}
export interface DecodedSourceMap extends SourceMapV3 {
mappings: readonly SourceMapSegment[][];
}
export interface Pos {
line: number;
column: number;
}
export interface OriginalPos extends Pos {
source: string;
}
export interface BindingExpressionRange {
start: Pos;
expression: string;
}
export type Mapping = {
generated: Pos;
source: undefined;
original: undefined;
name: undefined;
} | {
generated: Pos;
source: string;
original: Pos;
name: string;
} | {
generated: Pos;
source: string;
original: Pos;
name: undefined;
};

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{
"name": "@jridgewell/gen-mapping",
"version": "0.3.13",
"description": "Generate source maps",
"keywords": [
"source",
"map"
],
"main": "dist/gen-mapping.umd.js",
"module": "dist/gen-mapping.mjs",
"types": "types/gen-mapping.d.cts",
"files": [
"dist",
"src",
"types"
],
"exports": {
".": [
{
"import": {
"types": "./types/gen-mapping.d.mts",
"default": "./dist/gen-mapping.mjs"
},
"default": {
"types": "./types/gen-mapping.d.cts",
"default": "./dist/gen-mapping.umd.js"
}
},
"./dist/gen-mapping.umd.js"
],
"./package.json": "./package.json"
},
"scripts": {
"benchmark": "run-s build:code benchmark:*",
"benchmark:install": "cd benchmark && npm install",
"benchmark:only": "node --expose-gc benchmark/index.js",
"build": "run-s -n build:code build:types",
"build:code": "node ../../esbuild.mjs gen-mapping.ts",
"build:types": "run-s build:types:force build:types:emit build:types:mts",
"build:types:force": "rimraf tsconfig.build.tsbuildinfo",
"build:types:emit": "tsc --project tsconfig.build.json",
"build:types:mts": "node ../../mts-types.mjs",
"clean": "run-s -n clean:code clean:types",
"clean:code": "tsc --build --clean tsconfig.build.json",
"clean:types": "rimraf dist types",
"test": "run-s -n test:types test:only test:format",
"test:format": "prettier --check '{src,test}/**/*.ts'",
"test:only": "mocha",
"test:types": "eslint '{src,test}/**/*.ts'",
"lint": "run-s -n lint:types lint:format",
"lint:format": "npm run test:format -- --write",
"lint:types": "npm run test:types -- --fix",
"prepublishOnly": "npm run-s -n build test"
},
"homepage": "https://github.com/jridgewell/sourcemaps/tree/main/packages/gen-mapping",
"repository": {
"type": "git",
"url": "git+https://github.com/jridgewell/sourcemaps.git",
"directory": "packages/gen-mapping"
},
"author": "Justin Ridgewell <justin@ridgewell.name>",
"license": "MIT",
"dependencies": {
"@jridgewell/sourcemap-codec": "^1.5.0",
"@jridgewell/trace-mapping": "^0.3.24"
}
}

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frontend/node_modules/@jridgewell/gen-mapping/src/gen-mapping.ts generated vendored Normal file
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import { SetArray, put, remove } from './set-array';
import {
encode,
// encodeGeneratedRanges,
// encodeOriginalScopes
} from '@jridgewell/sourcemap-codec';
import { TraceMap, decodedMappings } from '@jridgewell/trace-mapping';
import {
COLUMN,
SOURCES_INDEX,
SOURCE_LINE,
SOURCE_COLUMN,
NAMES_INDEX,
} from './sourcemap-segment';
import type { SourceMapInput } from '@jridgewell/trace-mapping';
// import type { OriginalScope, GeneratedRange } from '@jridgewell/sourcemap-codec';
import type { SourceMapSegment } from './sourcemap-segment';
import type {
DecodedSourceMap,
EncodedSourceMap,
Pos,
Mapping,
// BindingExpressionRange,
// OriginalPos,
// OriginalScopeInfo,
// GeneratedRangeInfo,
} from './types';
export type { DecodedSourceMap, EncodedSourceMap, Mapping };
export type Options = {
file?: string | null;
sourceRoot?: string | null;
};
const NO_NAME = -1;
/**
* Provides the state to generate a sourcemap.
*/
export class GenMapping {
declare private _names: SetArray<string>;
declare private _sources: SetArray<string>;
declare private _sourcesContent: (string | null)[];
declare private _mappings: SourceMapSegment[][];
// private declare _originalScopes: OriginalScope[][];
// private declare _generatedRanges: GeneratedRange[];
declare private _ignoreList: SetArray<number>;
declare file: string | null | undefined;
declare sourceRoot: string | null | undefined;
constructor({ file, sourceRoot }: Options = {}) {
this._names = new SetArray();
this._sources = new SetArray();
this._sourcesContent = [];
this._mappings = [];
// this._originalScopes = [];
// this._generatedRanges = [];
this.file = file;
this.sourceRoot = sourceRoot;
this._ignoreList = new SetArray();
}
}
interface PublicMap {
_names: GenMapping['_names'];
_sources: GenMapping['_sources'];
_sourcesContent: GenMapping['_sourcesContent'];
_mappings: GenMapping['_mappings'];
// _originalScopes: GenMapping['_originalScopes'];
// _generatedRanges: GenMapping['_generatedRanges'];
_ignoreList: GenMapping['_ignoreList'];
}
/**
* Typescript doesn't allow friend access to private fields, so this just casts the map into a type
* with public access modifiers.
*/
function cast(map: unknown): PublicMap {
return map as any;
}
/**
* A low-level API to associate a generated position with an original source position. Line and
* column here are 0-based, unlike `addMapping`.
*/
export function addSegment(
map: GenMapping,
genLine: number,
genColumn: number,
source?: null,
sourceLine?: null,
sourceColumn?: null,
name?: null,
content?: null,
): void;
export function addSegment(
map: GenMapping,
genLine: number,
genColumn: number,
source: string,
sourceLine: number,
sourceColumn: number,
name?: null,
content?: string | null,
): void;
export function addSegment(
map: GenMapping,
genLine: number,
genColumn: number,
source: string,
sourceLine: number,
sourceColumn: number,
name: string,
content?: string | null,
): void;
export function addSegment(
map: GenMapping,
genLine: number,
genColumn: number,
source?: string | null,
sourceLine?: number | null,
sourceColumn?: number | null,
name?: string | null,
content?: string | null,
): void {
return addSegmentInternal(
false,
map,
genLine,
genColumn,
source,
sourceLine,
sourceColumn,
name,
content,
);
}
/**
* A high-level API to associate a generated position with an original source position. Line is
* 1-based, but column is 0-based, due to legacy behavior in `source-map` library.
*/
export function addMapping(
map: GenMapping,
mapping: {
generated: Pos;
source?: null;
original?: null;
name?: null;
content?: null;
},
): void;
export function addMapping(
map: GenMapping,
mapping: {
generated: Pos;
source: string;
original: Pos;
name?: null;
content?: string | null;
},
): void;
export function addMapping(
map: GenMapping,
mapping: {
generated: Pos;
source: string;
original: Pos;
name: string;
content?: string | null;
},
): void;
export function addMapping(
map: GenMapping,
mapping: {
generated: Pos;
source?: string | null;
original?: Pos | null;
name?: string | null;
content?: string | null;
},
): void {
return addMappingInternal(false, map, mapping as Parameters<typeof addMappingInternal>[2]);
}
/**
* Same as `addSegment`, but will only add the segment if it generates useful information in the
* resulting map. This only works correctly if segments are added **in order**, meaning you should
* not add a segment with a lower generated line/column than one that came before.
*/
export const maybeAddSegment: typeof addSegment = (
map,
genLine,
genColumn,
source,
sourceLine,
sourceColumn,
name,
content,
) => {
return addSegmentInternal(
true,
map,
genLine,
genColumn,
source,
sourceLine,
sourceColumn,
name,
content,
);
};
/**
* Same as `addMapping`, but will only add the mapping if it generates useful information in the
* resulting map. This only works correctly if mappings are added **in order**, meaning you should
* not add a mapping with a lower generated line/column than one that came before.
*/
export const maybeAddMapping: typeof addMapping = (map, mapping) => {
return addMappingInternal(true, map, mapping as Parameters<typeof addMappingInternal>[2]);
};
/**
* Adds/removes the content of the source file to the source map.
*/
export function setSourceContent(map: GenMapping, source: string, content: string | null): void {
const {
_sources: sources,
_sourcesContent: sourcesContent,
// _originalScopes: originalScopes,
} = cast(map);
const index = put(sources, source);
sourcesContent[index] = content;
// if (index === originalScopes.length) originalScopes[index] = [];
}
export function setIgnore(map: GenMapping, source: string, ignore = true) {
const {
_sources: sources,
_sourcesContent: sourcesContent,
_ignoreList: ignoreList,
// _originalScopes: originalScopes,
} = cast(map);
const index = put(sources, source);
if (index === sourcesContent.length) sourcesContent[index] = null;
// if (index === originalScopes.length) originalScopes[index] = [];
if (ignore) put(ignoreList, index);
else remove(ignoreList, index);
}
/**
* Returns a sourcemap object (with decoded mappings) suitable for passing to a library that expects
* a sourcemap, or to JSON.stringify.
*/
export function toDecodedMap(map: GenMapping): DecodedSourceMap {
const {
_mappings: mappings,
_sources: sources,
_sourcesContent: sourcesContent,
_names: names,
_ignoreList: ignoreList,
// _originalScopes: originalScopes,
// _generatedRanges: generatedRanges,
} = cast(map);
removeEmptyFinalLines(mappings);
return {
version: 3,
file: map.file || undefined,
names: names.array,
sourceRoot: map.sourceRoot || undefined,
sources: sources.array,
sourcesContent,
mappings,
// originalScopes,
// generatedRanges,
ignoreList: ignoreList.array,
};
}
/**
* Returns a sourcemap object (with encoded mappings) suitable for passing to a library that expects
* a sourcemap, or to JSON.stringify.
*/
export function toEncodedMap(map: GenMapping): EncodedSourceMap {
const decoded = toDecodedMap(map);
return Object.assign({}, decoded, {
// originalScopes: decoded.originalScopes.map((os) => encodeOriginalScopes(os)),
// generatedRanges: encodeGeneratedRanges(decoded.generatedRanges as GeneratedRange[]),
mappings: encode(decoded.mappings as SourceMapSegment[][]),
});
}
/**
* Constructs a new GenMapping, using the already present mappings of the input.
*/
export function fromMap(input: SourceMapInput): GenMapping {
const map = new TraceMap(input);
const gen = new GenMapping({ file: map.file, sourceRoot: map.sourceRoot });
putAll(cast(gen)._names, map.names);
putAll(cast(gen)._sources, map.sources as string[]);
cast(gen)._sourcesContent = map.sourcesContent || map.sources.map(() => null);
cast(gen)._mappings = decodedMappings(map) as GenMapping['_mappings'];
// TODO: implement originalScopes/generatedRanges
if (map.ignoreList) putAll(cast(gen)._ignoreList, map.ignoreList);
return gen;
}
/**
* Returns an array of high-level mapping objects for every recorded segment, which could then be
* passed to the `source-map` library.
*/
export function allMappings(map: GenMapping): Mapping[] {
const out: Mapping[] = [];
const { _mappings: mappings, _sources: sources, _names: names } = cast(map);
for (let i = 0; i < mappings.length; i++) {
const line = mappings[i];
for (let j = 0; j < line.length; j++) {
const seg = line[j];
const generated = { line: i + 1, column: seg[COLUMN] };
let source: string | undefined = undefined;
let original: Pos | undefined = undefined;
let name: string | undefined = undefined;
if (seg.length !== 1) {
source = sources.array[seg[SOURCES_INDEX]];
original = { line: seg[SOURCE_LINE] + 1, column: seg[SOURCE_COLUMN] };
if (seg.length === 5) name = names.array[seg[NAMES_INDEX]];
}
out.push({ generated, source, original, name } as Mapping);
}
}
return out;
}
// This split declaration is only so that terser can elminiate the static initialization block.
function addSegmentInternal<S extends string | null | undefined>(
skipable: boolean,
map: GenMapping,
genLine: number,
genColumn: number,
source: S,
sourceLine: S extends string ? number : null | undefined,
sourceColumn: S extends string ? number : null | undefined,
name: S extends string ? string | null | undefined : null | undefined,
content: S extends string ? string | null | undefined : null | undefined,
): void {
const {
_mappings: mappings,
_sources: sources,
_sourcesContent: sourcesContent,
_names: names,
// _originalScopes: originalScopes,
} = cast(map);
const line = getIndex(mappings, genLine);
const index = getColumnIndex(line, genColumn);
if (!source) {
if (skipable && skipSourceless(line, index)) return;
return insert(line, index, [genColumn]);
}
// Sigh, TypeScript can't figure out sourceLine and sourceColumn aren't nullish if source
// isn't nullish.
assert<number>(sourceLine);
assert<number>(sourceColumn);
const sourcesIndex = put(sources, source);
const namesIndex = name ? put(names, name) : NO_NAME;
if (sourcesIndex === sourcesContent.length) sourcesContent[sourcesIndex] = content ?? null;
// if (sourcesIndex === originalScopes.length) originalScopes[sourcesIndex] = [];
if (skipable && skipSource(line, index, sourcesIndex, sourceLine, sourceColumn, namesIndex)) {
return;
}
return insert(
line,
index,
name
? [genColumn, sourcesIndex, sourceLine, sourceColumn, namesIndex]
: [genColumn, sourcesIndex, sourceLine, sourceColumn],
);
}
function assert<T>(_val: unknown): asserts _val is T {
// noop.
}
function getIndex<T>(arr: T[][], index: number): T[] {
for (let i = arr.length; i <= index; i++) {
arr[i] = [];
}
return arr[index];
}
function getColumnIndex(line: SourceMapSegment[], genColumn: number): number {
let index = line.length;
for (let i = index - 1; i >= 0; index = i--) {
const current = line[i];
if (genColumn >= current[COLUMN]) break;
}
return index;
}
function insert<T>(array: T[], index: number, value: T) {
for (let i = array.length; i > index; i--) {
array[i] = array[i - 1];
}
array[index] = value;
}
function removeEmptyFinalLines(mappings: SourceMapSegment[][]) {
const { length } = mappings;
let len = length;
for (let i = len - 1; i >= 0; len = i, i--) {
if (mappings[i].length > 0) break;
}
if (len < length) mappings.length = len;
}
function putAll<T extends string | number>(setarr: SetArray<T>, array: T[]) {
for (let i = 0; i < array.length; i++) put(setarr, array[i]);
}
function skipSourceless(line: SourceMapSegment[], index: number): boolean {
// The start of a line is already sourceless, so adding a sourceless segment to the beginning
// doesn't generate any useful information.
if (index === 0) return true;
const prev = line[index - 1];
// If the previous segment is also sourceless, then adding another sourceless segment doesn't
// genrate any new information. Else, this segment will end the source/named segment and point to
// a sourceless position, which is useful.
return prev.length === 1;
}
function skipSource(
line: SourceMapSegment[],
index: number,
sourcesIndex: number,
sourceLine: number,
sourceColumn: number,
namesIndex: number,
): boolean {
// A source/named segment at the start of a line gives position at that genColumn
if (index === 0) return false;
const prev = line[index - 1];
// If the previous segment is sourceless, then we're transitioning to a source.
if (prev.length === 1) return false;
// If the previous segment maps to the exact same source position, then this segment doesn't
// provide any new position information.
return (
sourcesIndex === prev[SOURCES_INDEX] &&
sourceLine === prev[SOURCE_LINE] &&
sourceColumn === prev[SOURCE_COLUMN] &&
namesIndex === (prev.length === 5 ? prev[NAMES_INDEX] : NO_NAME)
);
}
function addMappingInternal<S extends string | null | undefined>(
skipable: boolean,
map: GenMapping,
mapping: {
generated: Pos;
source: S;
original: S extends string ? Pos : null | undefined;
name: S extends string ? string | null | undefined : null | undefined;
content: S extends string ? string | null | undefined : null | undefined;
},
) {
const { generated, source, original, name, content } = mapping;
if (!source) {
return addSegmentInternal(
skipable,
map,
generated.line - 1,
generated.column,
null,
null,
null,
null,
null,
);
}
assert<Pos>(original);
return addSegmentInternal(
skipable,
map,
generated.line - 1,
generated.column,
source as string,
original.line - 1,
original.column,
name,
content,
);
}
/*
export function addOriginalScope(
map: GenMapping,
data: {
start: Pos;
end: Pos;
source: string;
kind: string;
name?: string;
variables?: string[];
},
): OriginalScopeInfo {
const { start, end, source, kind, name, variables } = data;
const {
_sources: sources,
_sourcesContent: sourcesContent,
_originalScopes: originalScopes,
_names: names,
} = cast(map);
const index = put(sources, source);
if (index === sourcesContent.length) sourcesContent[index] = null;
if (index === originalScopes.length) originalScopes[index] = [];
const kindIndex = put(names, kind);
const scope: OriginalScope = name
? [start.line - 1, start.column, end.line - 1, end.column, kindIndex, put(names, name)]
: [start.line - 1, start.column, end.line - 1, end.column, kindIndex];
if (variables) {
scope.vars = variables.map((v) => put(names, v));
}
const len = originalScopes[index].push(scope);
return [index, len - 1, variables];
}
*/
// Generated Ranges
/*
export function addGeneratedRange(
map: GenMapping,
data: {
start: Pos;
isScope: boolean;
originalScope?: OriginalScopeInfo;
callsite?: OriginalPos;
},
): GeneratedRangeInfo {
const { start, isScope, originalScope, callsite } = data;
const {
_originalScopes: originalScopes,
_sources: sources,
_sourcesContent: sourcesContent,
_generatedRanges: generatedRanges,
} = cast(map);
const range: GeneratedRange = [
start.line - 1,
start.column,
0,
0,
originalScope ? originalScope[0] : -1,
originalScope ? originalScope[1] : -1,
];
if (originalScope?.[2]) {
range.bindings = originalScope[2].map(() => [[-1]]);
}
if (callsite) {
const index = put(sources, callsite.source);
if (index === sourcesContent.length) sourcesContent[index] = null;
if (index === originalScopes.length) originalScopes[index] = [];
range.callsite = [index, callsite.line - 1, callsite.column];
}
if (isScope) range.isScope = true;
generatedRanges.push(range);
return [range, originalScope?.[2]];
}
export function setEndPosition(range: GeneratedRangeInfo, pos: Pos) {
range[0][2] = pos.line - 1;
range[0][3] = pos.column;
}
export function addBinding(
map: GenMapping,
range: GeneratedRangeInfo,
variable: string,
expression: string | BindingExpressionRange,
) {
const { _names: names } = cast(map);
const bindings = (range[0].bindings ||= []);
const vars = range[1];
const index = vars!.indexOf(variable);
const binding = getIndex(bindings, index);
if (typeof expression === 'string') binding[0] = [put(names, expression)];
else {
const { start } = expression;
binding.push([put(names, expression.expression), start.line - 1, start.column]);
}
}
*/

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frontend/node_modules/@jridgewell/gen-mapping/src/set-array.ts generated vendored Normal file
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type Key = string | number | symbol;
/**
* SetArray acts like a `Set` (allowing only one occurrence of a string `key`), but provides the
* index of the `key` in the backing array.
*
* This is designed to allow synchronizing a second array with the contents of the backing array,
* like how in a sourcemap `sourcesContent[i]` is the source content associated with `source[i]`,
* and there are never duplicates.
*/
export class SetArray<T extends Key = Key> {
declare private _indexes: Record<T, number | undefined>;
declare array: readonly T[];
constructor() {
this._indexes = { __proto__: null } as any;
this.array = [];
}
}
interface PublicSet<T extends Key> {
array: T[];
_indexes: SetArray<T>['_indexes'];
}
/**
* Typescript doesn't allow friend access to private fields, so this just casts the set into a type
* with public access modifiers.
*/
function cast<T extends Key>(set: SetArray<T>): PublicSet<T> {
return set as any;
}
/**
* Gets the index associated with `key` in the backing array, if it is already present.
*/
export function get<T extends Key>(setarr: SetArray<T>, key: T): number | undefined {
return cast(setarr)._indexes[key];
}
/**
* Puts `key` into the backing array, if it is not already present. Returns
* the index of the `key` in the backing array.
*/
export function put<T extends Key>(setarr: SetArray<T>, key: T): number {
// The key may or may not be present. If it is present, it's a number.
const index = get(setarr, key);
if (index !== undefined) return index;
const { array, _indexes: indexes } = cast(setarr);
const length = array.push(key);
return (indexes[key] = length - 1);
}
/**
* Pops the last added item out of the SetArray.
*/
export function pop<T extends Key>(setarr: SetArray<T>): void {
const { array, _indexes: indexes } = cast(setarr);
if (array.length === 0) return;
const last = array.pop()!;
indexes[last] = undefined;
}
/**
* Removes the key, if it exists in the set.
*/
export function remove<T extends Key>(setarr: SetArray<T>, key: T): void {
const index = get(setarr, key);
if (index === undefined) return;
const { array, _indexes: indexes } = cast(setarr);
for (let i = index + 1; i < array.length; i++) {
const k = array[i];
array[i - 1] = k;
indexes[k]!--;
}
indexes[key] = undefined;
array.pop();
}

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frontend/node_modules/@jridgewell/gen-mapping/src/sourcemap-segment.ts generated vendored Normal file
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type GeneratedColumn = number;
type SourcesIndex = number;
type SourceLine = number;
type SourceColumn = number;
type NamesIndex = number;
export type SourceMapSegment =
| [GeneratedColumn]
| [GeneratedColumn, SourcesIndex, SourceLine, SourceColumn]
| [GeneratedColumn, SourcesIndex, SourceLine, SourceColumn, NamesIndex];
export const COLUMN = 0;
export const SOURCES_INDEX = 1;
export const SOURCE_LINE = 2;
export const SOURCE_COLUMN = 3;
export const NAMES_INDEX = 4;

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