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8.2 KiB
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1 line
8.2 KiB
Plaintext
{"version":3,"names":["_path","data","require","fileToDeps","Map","depToFiles","isWatchMode","watcher","watchQueue","Set","hasStarted","enable","enableGlobbing","FSWatcher","requireChokidar","options","disableGlobbing","persistent","ignoreInitial","awaitWriteFinish","stabilityThreshold","pollInterval","on","unwatchFile","startWatcher","dep","add","clear","console","log","watch","filename","Error","path","resolve","onFilesChange","callback","event","_depToFiles$get","absoluteFile","get","updateExternalDependencies","dependencies","absFilename","absDependencies","Array","from","deps","has","removeFileDependency","set","delete","size","unwatch","parseInt","process","versions","node","err","error"],"sources":["../../src/babel/watcher.ts"],"sourcesContent":["import { createRequire } from \"module\";\nimport path from \"path\";\nimport type { WatchOptions, FSWatcher } from \"chokidar\";\n\nconst fileToDeps = new Map<string, Set<string>>();\nconst depToFiles = new Map<string, Set<string>>();\n\nlet isWatchMode = false;\nlet watcher: FSWatcher;\nconst watchQueue = new Set<string>();\nlet hasStarted = false;\n\nexport function enable({ enableGlobbing }: { enableGlobbing: boolean }) {\n isWatchMode = true;\n\n const { FSWatcher } = requireChokidar();\n\n const options: WatchOptions = {\n disableGlobbing: !enableGlobbing,\n persistent: true,\n ignoreInitial: true,\n awaitWriteFinish: {\n stabilityThreshold: 50,\n pollInterval: 10,\n },\n };\n watcher = new FSWatcher(options);\n\n watcher.on(\"unlink\", unwatchFile);\n}\n\nexport function startWatcher() {\n hasStarted = true;\n\n for (const dep of watchQueue) {\n watcher.add(dep);\n }\n watchQueue.clear();\n\n watcher.on(\"ready\", () => {\n console.log(\"The watcher is ready.\");\n });\n}\n\nexport function watch(filename: string): void {\n if (!isWatchMode) {\n throw new Error(\n \"Internal Babel error: .watch called when not in watch mode.\",\n );\n }\n\n if (!hasStarted) {\n watchQueue.add(path.resolve(filename));\n } else {\n watcher.add(path.resolve(filename));\n }\n}\n\n/**\n * Call @param callback whenever a dependency (source file)/\n * external dependency (non-source file) changes.\n *\n * Handles mapping external dependencies to their corresponding\n * dependencies.\n */\nexport function onFilesChange(\n callback: (filenames: string[], event: string, cause: string) => void,\n): void {\n if (!isWatchMode) {\n throw new Error(\n \"Internal Babel error: .onFilesChange called when not in watch mode.\",\n );\n }\n\n watcher.on(\"all\", (event, filename) => {\n if (event !== \"change\" && event !== \"add\") return;\n\n const absoluteFile = path.resolve(filename);\n callback(\n [absoluteFile, ...(depToFiles.get(absoluteFile) ?? 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