internet-programming/lab3/node_modules/rollup/dist/shared/watch-proxy.js

88 lines
3.0 KiB
JavaScript

/*
@license
Rollup.js v3.29.4
Thu, 28 Sep 2023 04:54:30 GMT - commit 4e92d60fa90cead39481e3703d26e5d812f43bd1
https://github.com/rollup/rollup
Released under the MIT License.
*/
'use strict';
const rollup = require('./rollup.js');
const fseventsImporter = require('./fsevents-importer.js');
class WatchEmitter {
constructor() {
this.currentHandlers = Object.create(null);
this.persistentHandlers = Object.create(null);
}
// Will be overwritten by Rollup
async close() { }
emit(event, ...parameters) {
return Promise.all([...this.getCurrentHandlers(event), ...this.getPersistentHandlers(event)].map(handler => handler(...parameters)));
}
off(event, listener) {
const listeners = this.persistentHandlers[event];
if (listeners) {
// A hack stolen from "mitt": ">>> 0" does not change numbers >= 0, but -1
// (which would remove the last array element if used unchanged) is turned
// into max_int, which is outside the array and does not change anything.
listeners.splice(listeners.indexOf(listener) >>> 0, 1);
}
return this;
}
on(event, listener) {
this.getPersistentHandlers(event).push(listener);
return this;
}
onCurrentRun(event, listener) {
this.getCurrentHandlers(event).push(listener);
return this;
}
once(event, listener) {
const selfRemovingListener = (...parameters) => {
this.off(event, selfRemovingListener);
return listener(...parameters);
};
this.on(event, selfRemovingListener);
return this;
}
removeAllListeners() {
this.removeListenersForCurrentRun();
this.persistentHandlers = Object.create(null);
return this;
}
removeListenersForCurrentRun() {
this.currentHandlers = Object.create(null);
return this;
}
getCurrentHandlers(event) {
return this.currentHandlers[event] || (this.currentHandlers[event] = []);
}
getPersistentHandlers(event) {
return this.persistentHandlers[event] || (this.persistentHandlers[event] = []);
}
}
function watch(configs) {
const emitter = new WatchEmitter();
watchInternal(configs, emitter).catch(error => {
rollup.handleError(error);
});
return emitter;
}
async function watchInternal(configs, emitter) {
const optionsList = await Promise.all(rollup.ensureArray(configs).map(config => rollup.mergeOptions(config, true)));
const watchOptionsList = optionsList.filter(config => config.watch !== false);
if (watchOptionsList.length === 0) {
return rollup.error(rollup.logInvalidOption('watch', rollup.URL_WATCH, 'there must be at least one config where "watch" is not set to "false"'));
}
await fseventsImporter.loadFsEvents();
const { Watcher } = await Promise.resolve().then(() => require('./watch.js'));
new Watcher(watchOptionsList, emitter);
}
exports.watch = watch;
//# sourceMappingURL=watch-proxy.js.map