xmpp.chapril.org-conversejs/packages/headless/polyfill.js
2018-10-22 12:42:48 +02:00

57 lines
1.8 KiB
JavaScript

function CustomEvent ( event, params ) {
params = params || { bubbles: false, cancelable: false, detail: undefined };
var evt = document.createEvent( 'CustomEvent' );
evt.initCustomEvent( event, params.bubbles, params.cancelable, params.detail );
return evt;
}
if ( typeof window.CustomEvent !== "function" ) {
CustomEvent.prototype = window.Event.prototype;
window.CustomEvent = CustomEvent;
}
if (!String.prototype.includes) {
String.prototype.includes = function(search, start) {
'use strict';
if (typeof start !== 'number') {
start = 0;
}
if (start + search.length > this.length) {
return false;
} else {
return this.indexOf(search, start) !== -1; // eslint-disable-line lodash/prefer-includes
}
};
}
if (!String.prototype.endsWith) {
String.prototype.endsWith = function (searchString, position) {
var subjectString = this.toString();
if (position === undefined || position > subjectString.length) {
position = subjectString.length;
}
position -= searchString.length;
var lastIndex = subjectString.indexOf(searchString, position);
return lastIndex !== -1 && lastIndex === position;
};
}
if (!String.prototype.startsWith) {
String.prototype.startsWith = function (searchString, position) {
position = position || 0;
return this.substr(position, searchString.length) === searchString;
};
}
if (!String.prototype.splitOnce) {
String.prototype.splitOnce = function (delimiter) {
var components = this.split(delimiter);
return [components.shift(), components.join(delimiter)];
};
}
if (!String.prototype.trim) {
String.prototype.trim = function () {
return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '');
};
}