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intercept method and URL #1

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8 changes: 8 additions & 0 deletions index.js
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
'use strict';

const XMLHttpRequestSend = XMLHttpRequest.prototype.send;
const XMLHttpRequestOpen = XMLHttpRequest.prototype.open;

var reqCallbacks = [];
var resCallbacks = [];
Expand All @@ -26,6 +27,12 @@ export function removeResponseCallback(callback) {
export function wire() {
if (wired) { throw new Error('Ajax interceptor already wired'); }

XMLHttpRequest.prototype.open = function(method, url) {
this._method = method;
this._url = url;
XMLHttpRequestOpen.apply(this, arguments);
};

XMLHttpRequest.prototype.send = function() {
var reqCallbacksRes = reqCallbacks.map(callback => callback(this, arguments));
var onreadystatechange = this.onreadystatechange;
Expand All @@ -47,6 +54,7 @@ export function wire() {
export function unwire() {
if (!wired) { throw new Error('Ajax interceptor not currently wired'); }

XMLHttpRequest.prototype.open = XMLHttpRequestOpen;
XMLHttpRequest.prototype.send = XMLHttpRequestSend;
wired = false;
};