60 lines
1.3 KiB
TypeScript
60 lines
1.3 KiB
TypeScript
import { IFileUpload } from './interfaces';
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class Upload {
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public xhr: XMLHttpRequest;
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public formData: FormData;
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constructor() {
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this.xhr = new XMLHttpRequest();
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this.formData = new FormData();
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}
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then = (callback: (param: { respInfo: XMLHttpRequest }) => XMLHttpRequest) => {
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this.xhr.onload = () => callback({ respInfo: this.xhr });
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this.xhr.send(this.formData);
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};
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catch = (callback: ((this: XMLHttpRequest, ev: ProgressEvent<EventTarget>) => any) | null) => {
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this.xhr.onerror = callback;
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};
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uploadProgress = (callback: (param: number, arg1: number) => any) => {
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this.xhr.upload.onprogress = ({ total, loaded }) => callback(loaded, total);
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};
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cancel = () => {
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this.xhr.abort();
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return Promise.resolve();
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};
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}
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class FileUpload {
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fetch = (method: string, url: string, headers: { [x: string]: string }, data: IFileUpload[]) => {
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const upload = new Upload();
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upload.xhr.open(method, url);
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Object.keys(headers).forEach(key => {
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upload.xhr.setRequestHeader(key, headers[key]);
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});
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data.forEach(item => {
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if (item.uri) {
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upload.formData.append(item.name, {
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// @ts-ignore
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uri: item.uri,
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type: item.type,
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name: item.filename
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});
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} else {
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upload.formData.append(item.name, item.data);
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}
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});
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return upload;
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};
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}
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const fileUpload = new FileUpload();
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export default fileUpload;
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