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96 lines
2.6 KiB
96 lines
2.6 KiB
2 years ago
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var each = require('./each');
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var defaults = require('./defaults');
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var noop = require('./noop');
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var has = require('./has');
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var root = require('./root');
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var Promise = root.Promise;
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exports = function(url, options) {
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options = options || {};
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defaults(options, exports.setting);
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return new Promise(function(resolve, reject) {
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var xhr = options.xhr();
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var headers = options.headers;
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var body = options.body;
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var timeout = options.timeout;
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var abortTimer;
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xhr.withCredentials = options.credentials == 'include';
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xhr.onload = function() {
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clearTimeout(abortTimer);
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resolve(getRes(xhr));
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};
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xhr.onerror = reject;
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xhr.open(options.method, url, true);
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each(headers, function(val, key) {
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xhr.setRequestHeader(key, val);
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});
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if (timeout > 0) {
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setTimeout(function() {
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xhr.onload = noop;
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xhr.abort();
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reject(Error('timeout'));
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}, timeout);
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}
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xhr.send(body);
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});
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};
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var regHeaders = /^(.*?):\s*([\s\S]*?)$/gm;
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function getRes(xhr) {
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var keys = [];
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var all = [];
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var headers = {};
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var header;
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xhr.getAllResponseHeaders().replace(regHeaders, function(m, key, val) {
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key = key.toLowerCase();
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keys.push(key);
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all.push([key, val]);
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header = headers[key];
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headers[key] = header ? header + ',' + val : val;
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});
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return {
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ok: xhr.status >= 200 && xhr.status < 400,
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status: xhr.status,
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statusText: xhr.statusText,
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url: xhr.responseURL,
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clone: function() {
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return getRes(xhr);
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},
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text: function() {
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return Promise.resolve(xhr.responseText);
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},
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json: function() {
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return Promise.resolve(xhr.responseText).then(JSON.parse);
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},
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xml: function() {
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return Promise.resolve(xhr.responseXML);
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},
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blob: function() {
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return Promise.resolve(new Blob([xhr.response]));
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},
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headers: {
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keys: function() {
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return keys;
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},
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entries: function() {
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return all;
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},
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get: function(name) {
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return headers[name.toLowerCase()];
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},
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has: function(name) {
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return has(headers, name);
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}
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}
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};
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}
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exports.setting = {
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method: 'GET',
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headers: {},
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timeout: 0,
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xhr: function() {
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return new XMLHttpRequest();
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}
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};
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module.exports = exports;
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