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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports['default'] = upload;
function getError(option, xhr) {
var msg = 'cannot post ' + option.action + ' ' + xhr.status + '\'';
var err = new Error(msg);
err.status = xhr.status;
err.method = 'post';
err.url = option.action;
return err;
}
function getBody(xhr) {
var text = xhr.responseText || xhr.response;
if (!text) {
return text;
}
try {
return JSON.parse(text);
} catch (e) {
return text;
}
}
// option {
// onProgress: (event: { percent: number }): void,
// onError: (event: Error, body?: Object): void,
// onSuccess: (body: Object): void,
// data: Object,
// filename: String,
// file: File,
// withCredentials: Boolean,
// action: String,
// headers: Object,
// }
function upload(option) {
var xhr = new window.XMLHttpRequest();
if (option.onProgress && xhr.upload) {
xhr.upload.onprogress = function progress(e) {
if (e.total > 0) {
e.percent = e.loaded / e.total * 100;
}
option.onProgress(e);
};
}
var formData = new window.FormData();
if (option.data) {
Object.keys(option.data).map(function (key) {
formData.append(key, option.data[key]);
});
}
formData.append(option.filename, option.file);
xhr.onerror = function error(e) {
option.onError(e);
};
xhr.onload = function onload() {
// allow success when 2xx status
// see https://github.com/react-component/upload/issues/34
if (xhr.status < 200 || xhr.status >= 300) {
return option.onError(getError(option, xhr), getBody(xhr));
}
option.onSuccess(getBody(xhr), xhr);
};
xhr.open('post', option.action, true);
// Has to be after `.open()`. See https://github.com/enyo/dropzone/issues/179
if (option.withCredentials && 'withCredentials' in xhr) {
xhr.withCredentials = true;
}
var headers = option.headers || {};
// when set headers['X-Requested-With'] = null , can close default XHR header
// see https://github.com/react-component/upload/issues/33
if (headers['X-Requested-With'] !== null) {
xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
}
for (var h in headers) {
if (headers.hasOwnProperty(h) && headers[h] !== null) {
xhr.setRequestHeader(h, headers[h]);
}
}
xhr.send(formData);
return {
abort: function abort() {
xhr.abort();
}
};
}