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temp dist script
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integrate

wendux#119
wendux#120
wendux#121
wendux#122
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@cyfung1031
cyfung1031 committed Aug 16, 2023
1 parent 69f240b commit 4a532e9
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Showing 2 changed files with 87 additions and 18 deletions.
104 changes: 86 additions & 18 deletions dist/ajaxhook.js
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Original file line number Diff line number Diff line change
Expand Up @@ -239,7 +239,7 @@ function trim(str) {
}

function getEventTarget(xhr) {
return xhr.watcher || (xhr.watcher = document.createElement('a'));
return xhr.watcher || (xhr.watcher = typeof document.createDocumentFragment === 'function' ? document.createDocumentFragment() : document.createElement('a'));
}

function triggerListener(xhr, name) {
Expand Down Expand Up @@ -275,11 +275,21 @@ Handler[prototype] = Object.create({
triggerListener(xhr, eventReadyStateChange);
triggerListener(xhr, eventLoad);
triggerListener(xhr, eventLoadEnd);
if (xhr.readyState === 4) {
if (xhr.config) xhr.config.xhr = null;
xhr['on' + eventReadyStateChange] = null;
xhr.config = null;
}
},
reject: function reject(error) {
this.xhrProxy.status = 0;
triggerListener(this.xhr, error.type);
triggerListener(this.xhr, eventLoadEnd);
if (xhr.readyState === 4) {
if (xhr.config) xhr.config.xhr = null;
xhr['on' + eventReadyStateChange] = null;
xhr.config = null;
}
}
});

Expand Down Expand Up @@ -313,16 +323,33 @@ var ErrorHandler = makeHandler(function (error) {
});

function proxyAjax(proxy, win) {
var onRequest = proxy.onRequest,
onResponse = proxy.onResponse,
onError = proxy.onError;
var onConfig = proxy.onConfig,
onRequest = null,
onRequest_ = proxy.onRequest,
onResponse = proxy.onResponse,
onError = proxy.onError;

function handleResponse(xhr, xhrProxy) {
var handler = new ResponseHandler(xhr);
var responseType = xhrProxy.responseType;
var responseData = !responseType || responseType === 'text' || responseType === 'json' ? xhrProxy.responseText : xhrProxy.response;
var ret = {
response: responseData, //ie9
get response() {
// object getter is part of ES5
// getter to avoid uncessary processing. only proceed if response.response is called.
// property 'response' is enumerable such that JSON.stringify(response) contains response
var responseType = xhrProxy.responseType;
if (!responseType || responseType === 'text') {
return xhrProxy.responseText;
}
// reference: https://shanabrian.com/web/html-css-js-technics/js-ie10-ie11-xhr-json-string.php
// reference: https://github.com/axios/axios/issues/2390
// json - W3C standard - xhrProxy.response = JSON object; responseText is unobtainable
// For details, see https://github.com/wendux/ajax-hook/issues/117
// IE 9, 10 & 11 - only responseText
if (responseType === 'json' && typeof JSON === 'object' && ((navigator || 0).userAgent || '').indexOf('Trident') !== -1) {
return JSON.parse(xhrProxy.responseText);
}
return xhrProxy.response;
}, //ie9
status: xhrProxy.status,
statusText: xhrProxy.statusText,
config: xhr.config,
Expand Down Expand Up @@ -359,14 +386,21 @@ function proxyAjax(proxy, win) {
}

function stateChangeCallback(xhr, xhrProxy) {
if (xhr.readyState === 4 && xhr.status !== 0) {
handleResponse(xhr, xhrProxy);
} else if (xhr.readyState !== 4) {
triggerListener(xhr, eventReadyStateChange);
var config = xhrProxy ? xhrProxy.config : null;
if (config && xhr && config.xhr === xhr) {
if (xhr.readyState === 4 && xhr.status !== 0) {
handleResponse(xhr, xhrProxy);
} else if (xhr.readyState !== 4) {
triggerListener(xhr, eventReadyStateChange);
}
}
return true;
}

var eventListenerFnMap = typeof WeakMap === 'function' ? function (_this) {
return _this.eventListenerFnMap || (_this.eventListenerFnMap = new WeakMap());
} : null;

var _hook = (0, _xhrHook.hook)({
onload: preventXhrProxyCallback,
onloadend: preventXhrProxyCallback,
Expand All @@ -384,18 +418,33 @@ function proxyAjax(proxy, win) {
config.async = args[2];
config.user = args[3];
config.password = args[4];
config.xhr = xhr;
Object.defineProperty(config, 'xhr', {
get() {
return xhr; // xhr wil be set to null after xhr.readyState === XMLHttpRequest.DONE (4)
},
set(nv) {
if (nv === null) xhr = null;
return true;
},
enumerable: false,
configurable: true
});
// config.xhr = xhr;
var evName = 'on' + eventReadyStateChange;
if (!xhr[evName]) {
xhr[evName] = function () {
return stateChangeCallback(xhr, _this);
return stateChangeCallback(this, _this);
};
}

// 如果有请求拦截器，则在调用onRequest后再打开链接。因为onRequest最佳调用时机是在send前，
// 所以我们在send拦截函数中再手动调用open，因此返回true阻止xhr.open调用。
//
// 如果没有请求拦截器，则不用阻断xhr.open调用
onRequest = onRequest_;
if (onConfig) {
if (onConfig(config, this) === false) onRequest = null;
}
if (onRequest) return true;
},
send: function send(args, xhr) {
Expand All @@ -418,19 +467,38 @@ function proxyAjax(proxy, win) {
xhr.config.headers[args[0].toLowerCase()] = args[1];
if (onRequest) return true;
},
addEventListener: function addEventListener(args, xhr) {
addEventListener: function (args, xhr) {
// args = (type:string , listener: EventListener, opt: any?)
var _this = this;
if (_xhrHook.events.indexOf(args[0]) !== -1) {
var handler = args[1];
getEventTarget(xhr).addEventListener(args[0], function (e) {
var event = (0, _xhrHook.configEvent)(e, _this);
event.type = args[0];
var Gn = function (e) {
var event = configEvent(e, _this);
event.isTrusted = true;
handler.call(_this, event);
});
};
if (eventListenerFnMap) {
var map = eventListenerFnMap(_this);
map.set(handler, Gn);
}
getEventTarget(xhr).addEventListener(args[0], Gn, false);
return true;
}
},
removeEventListener: function (args, xhr) {
// args = (type:string , listener: EventListener, opt: any?)
if (_xhrHook.events.indexOf(args[0]) !== -1) {
var handler = args[1];
if (eventListenerFnMap) {
var map = eventListenerFnMap(this);
var Gn = map.get(handler);
if (Gn) {
getEventTarget(xhr).removeEventListener(args[0], Gn, false);
return true;
}
}
}
},
getAllResponseHeaders: function getAllResponseHeaders(_, xhr) {
var headers = xhr.resHeader;
if (headers) {
Expand Down
1 change: 1 addition & 0 deletions index.d.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -97,6 +97,7 @@ interface XhrErrorHandler extends XhrHandler {
}

interface Proxy {
onConfig?: (config: XhrRequestConfig, xhrProxy: Hooks) => boolean | void,
onRequest?: (config: XhrRequestConfig, handler: XhrRequestHandler) => void,
onResponse?: (response: XhrResponse, handler: XhrResponseHandler) => void,
onError?: (err: XhrError, handler: XhrErrorHandler) => void,
Expand Down

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