@boem312/minecraft-server
Version:
A pure JS library to create Minecraft Java 1.16.3 servers
32 lines (25 loc) • 1.44 kB
JavaScript
const CustomError = require('../../../CustomError.js');
const { firstChangeEventListenerListeners } = require('../private/onFirstChangeEventListener.js');
module.exports = function (event) {
if (event === 'change') {
const type = arguments[1];
const callback = arguments[2];
if (!this.p.changeEvents[type])
this.p.emitError(new CustomError('expectationNotMet', 'libraryUser', `type in <${this.constructor.name}>.once('change', ${require('util').inspect(type)}, ...) `, {
got: type,
expectationType: 'value',
expectation: Object.keys(this.p.changeEvents)
}, this.on, { server: this.server, client: this }));
if (this.p.changeEvents[type].length === 0) firstChangeEventListenerListeners[type]?.forEach?.(cb => cb({ callback, once: true }))
this.p.changeEvents[type].push({ callback, once: true });
} else {
const callback = arguments[1];
if (!this.p.events[event])
this.p.emitError(new CustomError('expectationNotMet', 'libraryUser', `event in <${this.constructor.name}>.once(${require('util').inspect(event)}, ...) `, {
got: event,
expectationType: 'value',
expectation: Object.keys(this.p.events)
}, this.on, { server: this.server, client: this }));
this.p.events[event].push({ callback, once: true });
}
}