43 lines
1.3 KiB
JavaScript
43 lines
1.3 KiB
JavaScript
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define([], function() {
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'use strict';
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/**
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* Parses the result of XMLHttpRequest's getAllResponseHeaders() method into
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* a dictionary.
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*
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* @exports parseResponseHeaders
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*
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* @param {String} headerString The header string returned by getAllResponseHeaders(). The format is
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* described here: http://www.w3.org/TR/XMLHttpRequest/#the-getallresponseheaders()-method
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* @returns {Object} A dictionary of key/value pairs, where each key is the name of a header and the corresponding value
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* is that header's value.
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*
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* @private
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*/
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function parseResponseHeaders(headerString) {
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var headers = {};
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if (!headerString) {
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return headers;
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}
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var headerPairs = headerString.split('\u000d\u000a');
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for (var i = 0; i < headerPairs.length; ++i) {
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var headerPair = headerPairs[i];
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// Can't use split() here because it does the wrong thing
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// if the header value has the string ": " in it.
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var index = headerPair.indexOf('\u003a\u0020');
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if (index > 0) {
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var key = headerPair.substring(0, index);
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var val = headerPair.substring(index + 2);
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headers[key] = val;
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}
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}
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return headers;
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}
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return parseResponseHeaders;
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});
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