xunfeiAI/node_modules/axios/lib/helpers/parseHeaders.js

56 lines
1.3 KiB
JavaScript

'use strict';
import utils from './../utils.js';
// RawAxiosHeaders whose duplicates are ignored by node
// c.f. https://nodejs.org/api/http.html#http_message_headers
const ignoreDuplicateOf = utils.toObjectSet([
'age', 'authorization', 'content-length', 'content-type', 'etag',
'expires', 'from', 'host', 'if-modified-since', 'if-unmodified-since',
'last-modified', 'location', 'max-forwards', 'proxy-authorization',
'referer', 'retry-after', 'user-agent'
]);
/**
* Parse headers into an object
*
* ```
* Date: Wed, 27 Aug 2014 08:58:49 GMT
* Content-Type: application/json
* Connection: keep-alive
* Transfer-Encoding: chunked
* ```
*
* @param {String} rawHeaders Headers needing to be parsed
*
* @returns {Object} Headers parsed into an object
*/
export default rawHeaders => {
const parsed = {};
let key;
let val;
let i;
rawHeaders && rawHeaders.split('\n').forEach(function parser(line) {
i = line.indexOf(':');
key = line.substring(0, i).trim().toLowerCase();
val = line.substring(i + 1).trim();
if (!key || (parsed[key] && ignoreDuplicateOf[key])) {
return;
}
if (key === 'set-cookie') {
if (parsed[key]) {
parsed[key].push(val);
} else {
parsed[key] = [val];
}
} else {
parsed[key] = parsed[key] ? parsed[key] + ', ' + val : val;
}
});
return parsed;
};