forked from Bremen/ESG
76 lines
2.2 KiB
JavaScript
76 lines
2.2 KiB
JavaScript
/*
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* JavaScript Load Image Fetch
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* https://github.com/blueimp/JavaScript-Load-Image
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*
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* Copyright 2017, Sebastian Tschan
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* https://blueimp.net
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*
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* Licensed under the MIT license:
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* https://opensource.org/licenses/MIT
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*/
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/* global define, module, require */
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;(function (factory) {
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'use strict'
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if (typeof define === 'function' && define.amd) {
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// Register as an anonymous AMD module:
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define(['./load-image', './load-image-meta'], factory)
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} else if (typeof module === 'object' && module.exports) {
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factory(require('./load-image'), require('./load-image-meta'))
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} else {
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// Browser globals:
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factory(window.loadImage)
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}
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})(function (loadImage) {
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'use strict'
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if (typeof fetch !== 'undefined' && typeof Request !== 'undefined') {
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loadImage.fetchBlob = function (url, callback, options) {
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if (loadImage.hasMetaOption(options)) {
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fetch(new Request(url, options))
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.then(function (response) {
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return response.blob()
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})
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.then(callback)
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.catch(function (err) {
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console.log(err) // eslint-disable-line no-console
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callback()
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})
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} else {
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callback()
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}
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}
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} else if (
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// Check for XHR2 support:
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typeof XMLHttpRequest !== 'undefined' &&
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typeof ProgressEvent !== 'undefined'
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) {
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loadImage.fetchBlob = function (url, callback, options) {
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if (loadImage.hasMetaOption(options)) {
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// eslint-disable-next-line no-param-reassign
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options = options || {}
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var req = new XMLHttpRequest()
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req.open(options.method || 'GET', url)
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if (options.headers) {
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Object.keys(options.headers).forEach(function (key) {
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req.setRequestHeader(key, options.headers[key])
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})
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}
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req.withCredentials = options.credentials === 'include'
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req.responseType = 'blob'
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req.onload = function () {
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callback(req.response)
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}
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req.onerror = req.onabort = req.ontimeout = function (e) {
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console.log(e) // eslint-disable-line no-console
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callback()
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}
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req.send(options.body)
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} else {
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callback()
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}
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}
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}
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})
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