43 lines
985 B
JavaScript
43 lines
985 B
JavaScript
var xhr = require('xhr')
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var normalize = require('./normalize-response')
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var noop = function () {}
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module.exports = xhrRequest
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function xhrRequest (opt, cb) {
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delete opt.uri
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// for better JSON.parse error handling than xhr module
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var useJson = false
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if (opt.responseType === 'json') {
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opt.responseType = 'text'
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useJson = true
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}
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var req = xhr(opt, function xhrRequestResult (err, resp, body) {
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if (useJson && !err) {
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try {
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var text = resp.rawRequest.responseText
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body = JSON.parse(text)
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} catch (e) {
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err = e
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}
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}
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resp = normalize(opt, resp)
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if (err) cb(err, null, resp)
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else cb(err, body, resp)
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cb = noop
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})
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// Patch abort() so that it also calls the callback, but with an error
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var onabort = req.onabort
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req.onabort = function () {
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var ret = onabort.apply(req, Array.prototype.slice.call(arguments))
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cb(new Error('XHR Aborted'))
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cb = noop
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return ret
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}
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return req
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}
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