xhr.event.js

xhr event monitor

目前為 2020-06-01 提交的版本，檢視最新版本。

此腳本不應該直接安裝，它是一個供其他腳本使用的函式庫。欲使用本函式庫，請在腳本 metadata 寫上： // @require https://update.gf.qytechs.cn/scripts/404457/811141/xhreventjs.js

發表問題、評論、或檢舉該腳本。

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;
(function() {
    if (typeof window.CustomEvent === "function") return false;

    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;
    }

    CustomEvent.prototype = window.Event.prototype;

    window.CustomEvent = CustomEvent;
})();
;
(function() {
    function ajaxEventTrigger(event) {
        var ajaxEvent = new CustomEvent(event, { detail: this });
        window.dispatchEvent(ajaxEvent);
    }

    var oldXHR = window.XMLHttpRequest;

    function newXHR() {
        var realXHR = new oldXHR();
        realXHR.addEventListener('abort', function() { ajaxEventTrigger.call(this, 'ajaxAbort'); }, false);
        realXHR.addEventListener('error', function() { ajaxEventTrigger.call(this, 'ajaxError'); }, false);
        realXHR.addEventListener('load', function() { ajaxEventTrigger.call(this, 'ajaxLoad'); }, false);
        realXHR.addEventListener('loadstart', function() { ajaxEventTrigger.call(this, 'ajaxLoadStart'); }, false);
        realXHR.addEventListener('progress', function() { ajaxEventTrigger.call(this, 'ajaxProgress'); }, false);
        realXHR.addEventListener('timeout', function() { ajaxEventTrigger.call(this, 'ajaxTimeout'); }, false);
        realXHR.addEventListener('loadend', function() { ajaxEventTrigger.call(this, 'ajaxLoadEnd'); }, false);
        realXHR.addEventListener('readystatechange', function() { ajaxEventTrigger.call(this, 'ajaxReadyStateChange'); }, false);

        return realXHR;
    }

    window.XMLHttpRequest = newXHR;
})();

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