93 lines
3.4 KiB
JavaScript
93 lines
3.4 KiB
JavaScript
const MszEEPROM = function(appId, endPoint) {
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if(typeof appId !== 'string')
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throw 'appId must be a string';
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if(typeof endPoint !== 'string')
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throw 'endPoint must be a string';
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return {
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create: fileInput => {
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if(!(fileInput instanceof File))
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throw 'fileInput must be an instance of window.File';
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let userAborted = false;
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let abortHandler;
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let progressHandler;
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const reportProgress = ev => {
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if(progressHandler !== undefined)
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progressHandler({
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loaded: ev.loaded,
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total: ev.total,
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progress: ev.total <= 0 ? 0 : ev.loaded / ev.total,
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});
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};
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return {
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abort: () => {
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userAborted = true;
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if(typeof abortHandler === 'function')
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abortHandler();
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},
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onProgress: handler => {
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if(typeof handler !== 'function')
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throw 'handler must be a function';
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progressHandler = handler;
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},
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start: async () => {
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if(userAborted)
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throw 'File upload was cancelled by the user, it cannot be restarted.';
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try {
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const formData = new FormData;
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formData.append('src', appId);
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formData.append('file', fileInput);
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const { status, body } = await $xhr.post(`${endPoint}/uploads`, {
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type: 'json',
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authed: true,
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upload: reportProgress,
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abort: handler => abortHandler = handler,
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}, formData);
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if(body === null)
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throw "The upload server didn't return the metadata for some reason.";
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if(status !== 201)
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throw body.english ?? body.error ?? `Upload failed with status code ${status}`;
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body.isImage = () => body.type.startsWith('image/');
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body.isVideo = () => body.type.startsWith('video/');
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body.isAudio = () => body.type.startsWith('audio/');
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body.isMedia = () => body.isImage() || body.isAudio() || body.isVideo();
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return Object.freeze(body);
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} catch(ex) {
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if(userAborted)
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throw '';
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console.error(ex);
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throw ex;
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}
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},
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};
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},
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delete: async fileInfo => {
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if(typeof fileInfo !== 'object')
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throw 'fileInfo must be an object';
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if(typeof fileInfo.urlf !== 'string')
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throw 'fileInfo.urlf must be a string';
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const { status, body } = await $xhr.delete(fileInfo.urlf, {
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type: 'json',
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authed: true,
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});
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if(status !== 204) {
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if(body === null)
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throw `Delete failed with status code ${status}`;
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throw body.english ?? body.error ?? `Delete failed with status code ${status}`;
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}
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},
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};
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};
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