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/* @license Rollup.js v3.8.1 Fri, 23 Dec 2022 05:34:14 GMT - commit 571f3a83d4e24f7bfa9b085cf9736ccdf89e8251 https://github.com/rollup/rollup Released under the MIT License. */ 'use strict'; Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' }); const node_path = require('node:path'); const process = require('node:process'); const rollup = require('./rollup.js'); const node_os = require('node:os'); const index = require('./index.js'); require('path'); require('node:perf_hooks'); require('node:crypto'); require('node:fs'); require('node:events'); require('tty'); require('fs'); require('util'); require('stream'); require('os'); require('events'); class FileWatcher { constructor(task, chokidarOptions) { this.transformWatchers = new Map(); this.chokidarOptions = chokidarOptions; this.task = task; this.watcher = this.createWatcher(null); } close() { this.watcher.close(); for (const watcher of this.transformWatchers.values()) { watcher.close(); } } unwatch(id) { this.watcher.unwatch(id); const transformWatcher = this.transformWatchers.get(id); if (transformWatcher) { this.transformWatchers.delete(id); transformWatcher.close(); } } watch(id, isTransformDependency) { if (isTransformDependency) { const watcher = this.transformWatchers.get(id) ?? this.createWatcher(id); watcher.add(id); this.transformWatchers.set(id, watcher); } else { this.watcher.add(id); } } createWatcher(transformWatcherId) { const task = this.task; const isLinux = node_os.platform() === 'linux'; const isTransformDependency = transformWatcherId !== null; const handleChange = (id, event) => { const changedId = transformWatcherId || id; if (isLinux) { // unwatching and watching fixes an issue with chokidar where on certain systems, // a file that was unlinked and immediately recreated would create a change event // but then no longer any further events watcher.unwatch(changedId); watcher.add(changedId); } task.invalidate(changedId, { event, isTransformDependency }); }; const watcher = index.chokidar .watch([], this.chokidarOptions) .on('add', id => handleChange(id, 'create')) .on('change', id => handleChange(id, 'update')) .on('unlink', id => handleChange(id, 'delete')); return watcher; } } const eventsRewrites = { create: { create: 'buggy', delete: null, update: 'create' }, delete: { create: 'update', delete: 'buggy', update: 'buggy' }, update: { create: 'buggy', delete: 'delete', update: 'update' } }; class Watcher { constructor(optionsList, emitter) { this.buildDelay = 0; this.buildTimeout = null; this.closed = false; this.invalidatedIds = new Map(); this.rerun = false; this.running = true; this.emitter = emitter; emitter.close = this.close.bind(this); this.tasks = optionsList.map(options => new Task(this, options)); for (const { watch } of optionsList) { if (watch && typeof watch.buildDelay === 'number') { this.buildDelay = Math.max(this.buildDelay, watch.buildDelay); } } process.nextTick(() => this.run()); } async close() { if (this.closed) return; this.closed = true; if (this.buildTimeout) clearTimeout(this.buildTimeout); for (const task of this.tasks) { task.close(); } await this.emitter.emit('close'); this.emitter.removeAllListeners(); } invalidate(file) { if (file) { const previousEvent = this.invalidatedIds.get(file.id); const event = previousEvent ? eventsRewrites[previousEvent][file.event] : file.event; if (event === 'buggy') { //TODO: throws or warn? Currently just ignore, uses new event this.invalidatedIds.set(file.id, file.event); } else if (event === null) { this.invalidatedIds.delete(file.id); } else { this.invalidatedIds.set(file.id, event); } } if (this.running) { this.rerun = true; return; } if (this.buildTimeout) clearTimeout(this.buildTimeout); this.buildTimeout = setTimeout(async () => { this.buildTimeout = null; try { await Promise.all([...this.invalidatedIds].map(([id, event]) => this.emitter.emit('change', id, { event }))); this.invalidatedIds.clear(); await this.emitter.emit('restart'); this.emitter.removeListenersForCurrentRun(); this.run(); } catch (error) { this.invalidatedIds.clear(); await this.emitter.emit('event', { code: 'ERROR', error, result: null }); await this.emitter.emit('event', { code: 'END' }); } }, this.buildDelay); } async run() { this.running = true; await this.emitter.emit('event', { code: 'START' }); for (const task of this.tasks) { await task.run(); } this.running = false; await this.emitter.emit('event', { code: 'END' }); if (this.rerun) { this.rerun = false; this.invalidate(); } } } class Task { constructor(watcher, options) { this.cache = { modules: [] }; this.watchFiles = []; this.closed = false; this.invalidated = true; this.watched = new Set(); this.watcher = watcher; this.options = options; this.skipWrite = Boolean(options.watch && options.watch.skipWrite); this.outputs = this.options.output; this.outputFiles = this.outputs.map(output => { if (output.file || output.dir) return node_path.resolve(output.file || output.dir); return undefined; }); const watchOptions = this.options.watch || {}; this.filter = rollup.createFilter(watchOptions.include, watchOptions.exclude); this.fileWatcher = new FileWatcher(this, { ...watchOptions.chokidar, disableGlobbing: true, ignoreInitial: true }); } close() { this.closed = true; this.fileWatcher.close(); } invalidate(id, details) { this.invalidated = true; if (details.isTransformDependency) { for (const module of this.cache.modules) { if (!module.transformDependencies.includes(id)) continue; // effective invalidation module.originalCode = null; } } this.watcher.invalidate({ event: details.event, id }); } async run() { if (!this.invalidated) return; this.invalidated = false; const options = { ...this.options, cache: this.cache }; const start = Date.now(); await this.watcher.emitter.emit('event', { code: 'BUNDLE_START', input: this.options.input, output: this.outputFiles }); let result = null; try { result = await rollup.rollupInternal(options, this.watcher.emitter); if (this.closed) { return; } this.updateWatchedFiles(result); this.skipWrite || (await Promise.all(this.outputs.map(output => result.write(output)))); await this.watcher.emitter.emit('event', { code: 'BUNDLE_END', duration: Date.now() - start, input: this.options.input, output: this.outputFiles, result }); } catch (error) { if (!this.closed) { if (Array.isArray(error.watchFiles)) { for (const id of error.watchFiles) { this.watchFile(id); } } if (error.id) { this.cache.modules = this.cache.modules.filter(module => module.id !== error.id); } } await this.watcher.emitter.emit('event', { code: 'ERROR', error, result }); } } updateWatchedFiles(result) { const previouslyWatched = this.watched; this.watched = new Set(); this.watchFiles = result.watchFiles; this.cache = result.cache; for (const id of this.watchFiles) { this.watchFile(id); } for (const module of this.cache.modules) { for (const depId of module.transformDependencies) { this.watchFile(depId, true); } } for (const id of previouslyWatched) { if (!this.watched.has(id)) { this.fileWatcher.unwatch(id); } } } watchFile(id, isTransformDependency = false) { if (!this.filter(id)) return; this.watched.add(id); if (this.outputFiles.includes(id)) { throw new Error('Cannot import the generated bundle'); } // this is necessary to ensure that any 'renamed' files // continue to be watched following an error this.fileWatcher.watch(id, isTransformDependency); } } exports.Task = Task; exports.Watcher = Watcher; //# sourceMappingURL=watch.js.map