angular2
Version:
Angular 2 - a web framework for modern web apps
52 lines • 5.97 kB
JavaScript
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
import { Injectable } from 'angular2/core';
import { global } from 'angular2/src/facade/lang';
let _nextRequestId = 0;
export const JSONP_HOME = '__ng_jsonp__';
var _jsonpConnections = null;
function _getJsonpConnections() {
if (_jsonpConnections === null) {
_jsonpConnections = global[JSONP_HOME] = {};
}
return _jsonpConnections;
}
// Make sure not to evaluate this in a non-browser environment!
export let BrowserJsonp = class BrowserJsonp {
// Construct a <script> element with the specified URL
build(url) {
let node = document.createElement('script');
node.src = url;
return node;
}
nextRequestID() { return `__req${_nextRequestId++}`; }
requestCallback(id) { return `${JSONP_HOME}.${id}.finished`; }
exposeConnection(id, connection) {
let connections = _getJsonpConnections();
connections[id] = connection;
}
removeConnection(id) {
var connections = _getJsonpConnections();
connections[id] = null;
}
// Attach the <script> element to the DOM
send(node) { document.body.appendChild((node)); }
// Remove <script> element from the DOM
cleanup(node) {
if (node.parentNode) {
node.parentNode.removeChild((node));
}
}
};
BrowserJsonp = __decorate([
Injectable(),
__metadata('design:paramtypes', [])
], BrowserJsonp);
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