105 lines
2.6 KiB
Go
105 lines
2.6 KiB
Go
package main
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import (
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"github.com/fsnotify/fsnotify"
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"github.com/google/uuid"
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"github.com/maddalax/htmgo/cli/htmgo/internal"
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"github.com/maddalax/htmgo/cli/htmgo/tasks/module"
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"log"
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"log/slog"
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"os"
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"path/filepath"
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"strings"
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"time"
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)
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var ignoredDirs = []string{".git", ".idea", "node_modules", "vendor"}
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func startWatcher(cb func(version string, file []*fsnotify.Event)) {
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events := make([]*fsnotify.Event, 0)
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debouncer := internal.NewDebouncer(500 * time.Millisecond)
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defer func() {
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if r := recover(); r != nil {
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slog.Debug("Recovered from fatal error:", slog.String("error", r.(error).Error()))
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}
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}()
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// Create new watcher.
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watcher, err := fsnotify.NewWatcher()
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if err != nil {
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panic(err)
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}
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defer watcher.Close()
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// Start listening for events.
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go func() {
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for {
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select {
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case event, ok := <-watcher.Events:
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if !ok {
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return
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}
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slog.Debug("event:", slog.String("name", event.Name), slog.String("op", event.Op.String()))
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if event.Has(fsnotify.Write) || event.Has(fsnotify.Remove) || event.Has(fsnotify.Rename) {
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events = append(events, &event)
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debouncer.Do(func() {
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seen := make(map[string]bool)
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dedupe := make([]*fsnotify.Event, 0)
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for _, e := range events {
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if _, ok := seen[e.Name]; !ok {
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seen[e.Name] = true
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dedupe = append(dedupe, e)
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}
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}
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cb(uuid.NewString()[0:6], dedupe)
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events = make([]*fsnotify.Event, 0)
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})
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}
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case err, ok := <-watcher.Errors:
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if !ok {
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return
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}
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slog.Error("error:", err.Error())
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}
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}
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}()
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rootDir := "."
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frameworkPath := module.GetDependencyPath("github.com/maddalax/htmgo/framework")
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if !strings.HasPrefix(frameworkPath, "github.com/") {
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assetPath := filepath.Join(frameworkPath, "assets", "dist")
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slog.Debug("Watching directory:", slog.String("path", assetPath))
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watcher.Add(assetPath)
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}
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// Walk through the root directory and add all subdirectories to the watcher
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err = filepath.Walk(rootDir, func(path string, info os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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// Ignore directories in the ignoredDirs list
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for _, ignoredDir := range ignoredDirs {
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if ignoredDir == info.Name() {
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return filepath.SkipDir
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}
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}
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// Only watch directories
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if info.IsDir() {
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err = watcher.Add(path)
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if err != nil {
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slog.Error("Error adding directory to watcher:", err)
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} else {
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slog.Debug("Watching directory:", slog.String("path", path))
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}
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}
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return nil
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})
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if err != nil {
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log.Fatal(err)
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}
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done := RegisterSignals()
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<-done
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println("process exited")
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}
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