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308 lines
9.8 KiB
308 lines
9.8 KiB
3 years ago
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/*
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@license
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Rollup.js v2.79.1
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Thu, 22 Sep 2022 04:55:29 GMT - commit 69ff4181e701a0fe0026d0ba147f31bc86beffa8
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https://github.com/rollup/rollup
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Released under the MIT License.
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*/
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'use strict';
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Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
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const require$$0 = require('path');
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const process = require('process');
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const rollup = require('./rollup.js');
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const mergeOptions = require('./mergeOptions.js');
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const require$$2 = require('os');
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const index = require('./index.js');
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require('perf_hooks');
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require('crypto');
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require('fs');
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require('events');
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require('util');
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require('stream');
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class FileWatcher {
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constructor(task, chokidarOptions) {
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this.transformWatchers = new Map();
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this.chokidarOptions = chokidarOptions;
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this.task = task;
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this.watcher = this.createWatcher(null);
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}
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close() {
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this.watcher.close();
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for (const watcher of this.transformWatchers.values()) {
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watcher.close();
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}
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}
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unwatch(id) {
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this.watcher.unwatch(id);
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const transformWatcher = this.transformWatchers.get(id);
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if (transformWatcher) {
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this.transformWatchers.delete(id);
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transformWatcher.close();
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}
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}
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watch(id, isTransformDependency) {
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var _a;
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if (isTransformDependency) {
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const watcher = (_a = this.transformWatchers.get(id)) !== null && _a !== void 0 ? _a : this.createWatcher(id);
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watcher.add(id);
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this.transformWatchers.set(id, watcher);
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}
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else {
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this.watcher.add(id);
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}
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}
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createWatcher(transformWatcherId) {
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const task = this.task;
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const isLinux = require$$2.platform() === 'linux';
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const isTransformDependency = transformWatcherId !== null;
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const handleChange = (id, event) => {
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const changedId = transformWatcherId || id;
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if (isLinux) {
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// unwatching and watching fixes an issue with chokidar where on certain systems,
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// a file that was unlinked and immediately recreated would create a change event
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// but then no longer any further events
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watcher.unwatch(changedId);
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watcher.add(changedId);
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}
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task.invalidate(changedId, { event, isTransformDependency });
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};
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const watcher = index.chokidar
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.watch([], this.chokidarOptions)
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.on('add', id => handleChange(id, 'create'))
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.on('change', id => handleChange(id, 'update'))
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.on('unlink', id => handleChange(id, 'delete'));
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return watcher;
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}
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}
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const eventsRewrites = {
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create: {
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create: 'buggy',
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delete: null,
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update: 'create'
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},
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delete: {
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create: 'update',
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delete: 'buggy',
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update: 'buggy'
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},
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update: {
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create: 'buggy',
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delete: 'delete',
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update: 'update'
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}
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};
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class Watcher {
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constructor(configs, emitter) {
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this.buildDelay = 0;
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this.buildTimeout = null;
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this.invalidatedIds = new Map();
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this.rerun = false;
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this.running = true;
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this.emitter = emitter;
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emitter.close = this.close.bind(this);
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this.tasks = configs.map(config => new Task(this, config));
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this.buildDelay = configs.reduce((buildDelay, { watch }) => watch && typeof watch.buildDelay === 'number'
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? Math.max(buildDelay, watch.buildDelay)
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: buildDelay, this.buildDelay);
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process.nextTick(() => this.run());
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}
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async close() {
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if (this.buildTimeout)
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clearTimeout(this.buildTimeout);
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for (const task of this.tasks) {
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task.close();
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}
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await this.emitter.emitAndAwait('close');
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this.emitter.removeAllListeners();
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}
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invalidate(file) {
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if (file) {
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const prevEvent = this.invalidatedIds.get(file.id);
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const event = prevEvent ? eventsRewrites[prevEvent][file.event] : file.event;
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if (event === 'buggy') {
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//TODO: throws or warn? Currently just ignore, uses new event
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this.invalidatedIds.set(file.id, file.event);
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}
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else if (event === null) {
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this.invalidatedIds.delete(file.id);
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}
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else {
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this.invalidatedIds.set(file.id, event);
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}
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}
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if (this.running) {
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this.rerun = true;
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return;
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}
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if (this.buildTimeout)
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clearTimeout(this.buildTimeout);
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this.buildTimeout = setTimeout(async () => {
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this.buildTimeout = null;
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try {
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await Promise.all([...this.invalidatedIds].map(([id, event]) => this.emitter.emitAndAwait('change', id, { event })));
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this.invalidatedIds.clear();
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this.emitter.emit('restart');
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this.emitter.removeAwaited();
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this.run();
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}
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catch (error) {
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this.invalidatedIds.clear();
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this.emitter.emit('event', {
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code: 'ERROR',
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error,
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result: null
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});
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this.emitter.emit('event', {
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code: 'END'
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});
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}
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}, this.buildDelay);
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}
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async run() {
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this.running = true;
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this.emitter.emit('event', {
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code: 'START'
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});
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for (const task of this.tasks) {
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await task.run();
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}
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this.running = false;
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this.emitter.emit('event', {
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code: 'END'
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});
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if (this.rerun) {
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this.rerun = false;
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this.invalidate();
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}
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}
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}
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class Task {
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constructor(watcher, config) {
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this.cache = { modules: [] };
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this.watchFiles = [];
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this.closed = false;
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this.invalidated = true;
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this.watched = new Set();
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this.watcher = watcher;
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this.skipWrite = Boolean(config.watch && config.watch.skipWrite);
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this.options = mergeOptions.mergeOptions(config);
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this.outputs = this.options.output;
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this.outputFiles = this.outputs.map(output => {
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if (output.file || output.dir)
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return require$$0.resolve(output.file || output.dir);
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return undefined;
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});
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const watchOptions = this.options.watch || {};
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this.filter = rollup.createFilter(watchOptions.include, watchOptions.exclude);
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this.fileWatcher = new FileWatcher(this, {
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...watchOptions.chokidar,
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disableGlobbing: true,
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ignoreInitial: true
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});
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}
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close() {
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this.closed = true;
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this.fileWatcher.close();
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}
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invalidate(id, details) {
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this.invalidated = true;
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if (details.isTransformDependency) {
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for (const module of this.cache.modules) {
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if (!module.transformDependencies.includes(id))
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continue;
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// effective invalidation
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module.originalCode = null;
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}
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}
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this.watcher.invalidate({ event: details.event, id });
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}
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async run() {
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if (!this.invalidated)
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return;
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this.invalidated = false;
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const options = {
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...this.options,
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cache: this.cache
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};
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const start = Date.now();
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this.watcher.emitter.emit('event', {
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code: 'BUNDLE_START',
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input: this.options.input,
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output: this.outputFiles
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});
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let result = null;
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try {
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result = await rollup.rollupInternal(options, this.watcher.emitter);
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if (this.closed) {
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return;
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}
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this.updateWatchedFiles(result);
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this.skipWrite || (await Promise.all(this.outputs.map(output => result.write(output))));
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this.watcher.emitter.emit('event', {
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code: 'BUNDLE_END',
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duration: Date.now() - start,
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input: this.options.input,
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output: this.outputFiles,
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result
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});
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}
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catch (error) {
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if (!this.closed) {
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if (Array.isArray(error.watchFiles)) {
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for (const id of error.watchFiles) {
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this.watchFile(id);
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}
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}
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if (error.id) {
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this.cache.modules = this.cache.modules.filter(module => module.id !== error.id);
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}
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}
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this.watcher.emitter.emit('event', {
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code: 'ERROR',
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error,
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result
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});
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}
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}
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updateWatchedFiles(result) {
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const previouslyWatched = this.watched;
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this.watched = new Set();
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this.watchFiles = result.watchFiles;
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this.cache = result.cache;
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for (const id of this.watchFiles) {
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this.watchFile(id);
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}
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for (const module of this.cache.modules) {
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for (const depId of module.transformDependencies) {
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this.watchFile(depId, true);
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}
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}
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for (const id of previouslyWatched) {
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if (!this.watched.has(id)) {
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this.fileWatcher.unwatch(id);
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}
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}
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}
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watchFile(id, isTransformDependency = false) {
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if (!this.filter(id))
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return;
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this.watched.add(id);
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if (this.outputFiles.some(file => file === id)) {
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throw new Error('Cannot import the generated bundle');
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}
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// this is necessary to ensure that any 'renamed' files
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// continue to be watched following an error
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this.fileWatcher.watch(id, isTransformDependency);
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}
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}
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exports.Task = Task;
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exports.Watcher = Watcher;
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//# sourceMappingURL=watch.js.map
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