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Backbone.ajax with window.fetch
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| var defaults = function(obj, source) { | |
| for (var prop in source) { | |
| if (obj[prop] === undefined) obj[prop] = source[prop]; | |
| } | |
| return obj; | |
| } | |
| var stringifyGETParams = function(url, data) { | |
| var query = ''; | |
| for (var key in data) { | |
| if (data[key] == null) continue; | |
| query += '&' | |
| + encodeURIComponent(key) + '=' | |
| + encodeURIComponent(data[key]); | |
| } | |
| if (query) url += (~url.indexOf('?') ? '&' : '?') + query.substring(1); | |
| return url; | |
| } | |
| var status = function(response) { | |
| if (response.status >= 200 && response.status < 300) { | |
| return response; | |
| } | |
| throw new Error(response.statusText); | |
| } | |
| var json = function(response) { | |
| return response.json() | |
| } | |
| Backbone.ajax = function(options) { | |
| if (options.type === 'GET' && typeof options.data === 'object') { | |
| options.url = stringifyGETParams(options.url, options.data); | |
| } | |
| return fetch(options.url, defaults(options, { | |
| method: options.type, | |
| headers: defaults(options.headers || {}, { | |
| 'Accept': 'application/json', | |
| 'Content-Type': 'application/json' | |
| }), | |
| body: options.data | |
| })) | |
| .then(status) | |
| .then(json) | |
| .then(options.success) | |
| .catch(options.error); | |
| }; |
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