94 lines
2.2 KiB
JavaScript
94 lines
2.2 KiB
JavaScript
// @flow
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const logger = require('jitsi-meet-logger').getLogger(__filename);
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/**
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* Creates a deferred object.
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*
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* @returns {{promise, resolve, reject}}
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*/
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export function createDeferred(): Object {
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const deferred = {};
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deferred.promise = new Promise((resolve, reject) => {
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deferred.resolve = resolve;
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deferred.reject = reject;
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});
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return deferred;
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}
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/**
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* Returns the base URL of the app.
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*
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* @param {Object} w - Window object to use instead of the built in one.
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* @returns {string}
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*/
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export function getBaseUrl(w: Object = window) {
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const doc = w.document;
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const base = doc.querySelector('base');
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if (base && base.href) {
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return base.href;
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}
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const { protocol, host } = w.location;
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return `${protocol}//${host}`;
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}
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/**
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* Returns the namespace for all global variables, functions, etc that we need.
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*
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* @returns {Object} The namespace.
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*
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* NOTE: After React-ifying everything this should be the only global.
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*/
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export function getJitsiMeetGlobalNS() {
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if (!window.JitsiMeetJS) {
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window.JitsiMeetJS = {};
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}
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if (!window.JitsiMeetJS.app) {
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window.JitsiMeetJS.app = {};
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}
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return window.JitsiMeetJS.app;
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}
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/**
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* A helper function that behaves similar to Object.assign, but only reassigns a
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* property in target if it's defined in source.
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*
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* @param {Object} target - The target object to assign the values into.
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* @param {Object} source - The source object.
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* @returns {Object}
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*/
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export function assignIfDefined(target: Object, source: Object) {
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const to = Object(target);
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for (const nextKey in source) {
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if (source.hasOwnProperty(nextKey)) {
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const value = source[nextKey];
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if (typeof value !== 'undefined') {
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to[nextKey] = value;
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}
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}
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}
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return to;
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}
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/**
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* Prints the error and reports it to the global error handler.
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*
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* @param {Error} e - The error object.
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* @param {string} msg - A custom message to print in addition to the error.
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* @returns {void}
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*/
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export function reportError(e: Object, msg: string = '') {
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logger.error(msg, e);
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window.onerror && window.onerror(msg, null, null, null, e);
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}
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