88 lines
3.0 KiB
JavaScript
88 lines
3.0 KiB
JavaScript
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/*
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@license
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Rollup.js v3.20.2
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Fri, 24 Mar 2023 06:17:57 GMT - commit 1517d0360d66893d5cacdbaf7bc9d841c1c38069
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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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const rollup = require('./rollup.js');
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const fseventsImporter = require('./fsevents-importer.js');
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class WatchEmitter {
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constructor() {
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this.currentHandlers = Object.create(null);
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this.persistentHandlers = Object.create(null);
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}
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// Will be overwritten by Rollup
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async close() { }
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emit(event, ...parameters) {
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return Promise.all([...this.getCurrentHandlers(event), ...this.getPersistentHandlers(event)].map(handler => handler(...parameters)));
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}
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off(event, listener) {
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const listeners = this.persistentHandlers[event];
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if (listeners) {
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// A hack stolen from "mitt": ">>> 0" does not change numbers >= 0, but -1
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// (which would remove the last array element if used unchanged) is turned
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// into max_int, which is outside the array and does not change anything.
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listeners.splice(listeners.indexOf(listener) >>> 0, 1);
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}
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return this;
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}
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on(event, listener) {
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this.getPersistentHandlers(event).push(listener);
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return this;
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}
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onCurrentRun(event, listener) {
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this.getCurrentHandlers(event).push(listener);
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return this;
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}
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once(event, listener) {
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const selfRemovingListener = (...parameters) => {
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this.off(event, selfRemovingListener);
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return listener(...parameters);
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};
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this.on(event, selfRemovingListener);
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return this;
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}
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removeAllListeners() {
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this.removeListenersForCurrentRun();
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this.persistentHandlers = Object.create(null);
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return this;
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}
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removeListenersForCurrentRun() {
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this.currentHandlers = Object.create(null);
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return this;
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}
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getCurrentHandlers(event) {
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return this.currentHandlers[event] || (this.currentHandlers[event] = []);
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}
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getPersistentHandlers(event) {
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return this.persistentHandlers[event] || (this.persistentHandlers[event] = []);
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}
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}
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function watch(configs) {
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const emitter = new WatchEmitter();
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watchInternal(configs, emitter).catch(error => {
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rollup.handleError(error);
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});
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return emitter;
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}
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async function watchInternal(configs, emitter) {
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const optionsList = await Promise.all(rollup.ensureArray(configs).map(config => rollup.mergeOptions(config)));
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const watchOptionsList = optionsList.filter(config => config.watch !== false);
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if (watchOptionsList.length === 0) {
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return rollup.error(rollup.errorInvalidOption('watch', rollup.URL_WATCH, 'there must be at least one config where "watch" is not set to "false"'));
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}
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await fseventsImporter.loadFsEvents();
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const { Watcher } = await Promise.resolve().then(() => require('./watch.js'));
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new Watcher(watchOptionsList, emitter);
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}
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exports.watch = watch;
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//# sourceMappingURL=watch-proxy.js.map
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