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Remove the XMLHttpRequest.response polyfill

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This is only relevant for browsers that we don't intend to support with PDF.js version `2.0`.
This commit is contained in:
Jonas Jenwald 2017-12-19 14:48:43 +01:00
parent 8266cc18e7
commit 4880200cd4
1 changed files with 0 additions and 50 deletions
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src/shared/compatibility.js
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@ -43,56 +43,6 @@ if (typeof PDFJS === 'undefined') {
PDFJS.compatibilityChecked = true;
// No XMLHttpRequest#response?
// Support: IE<11, Android <4.0
(function checkXMLHttpRequestResponseCompatibility() {
if (typeof XMLHttpRequest === 'undefined') {
return;
}
var xhrPrototype = XMLHttpRequest.prototype;
var xhr = new XMLHttpRequest();
if (!('overrideMimeType' in xhr)) {
// IE10 might have response, but not overrideMimeType
// Support: IE10
Object.defineProperty(xhrPrototype, 'overrideMimeType', {
value: function xmlHttpRequestOverrideMimeType(mimeType) {},
});
}
if ('responseType' in xhr) {
return;
}
Object.defineProperty(xhrPrototype, 'responseType', {
get: function xmlHttpRequestGetResponseType() {
return this._responseType || 'text';
},
set: function xmlHttpRequestSetResponseType(value) {
if (value === 'text' || value === 'arraybuffer') {
this._responseType = value;
if (value === 'arraybuffer' &&
typeof this.overrideMimeType === 'function') {
this.overrideMimeType('text/plain; charset=x-user-defined');
}
}
},
});
Object.defineProperty(xhrPrototype, 'response', {
get: function xmlHttpRequestResponseGet() {
if (this.responseType !== 'arraybuffer') {
return this.responseText;
}
var text = this.responseText;
var i, n = text.length;
var result = new Uint8Array(n);
for (i = 0; i < n; ++i) {
result[i] = text.charCodeAt(i) & 0xFF;
}
return result.buffer;
},
});
})();
// HTMLElement dataset property
// Support: IE<11, Safari<5.1, Android<4.0
(function checkDatasetProperty() {