spee.ch/utils/validateFileForPublish.js

35 lines
1,005 B
JavaScript

import { publishing } from '@config/siteConfig.json';
const { fileSizeLimits } = publishing;
const SIZE_MB = 1000000;
export default function validateFileForPublish(file) {
let contentType = file.type;
let mediaType = contentType ? contentType.substr(0, contentType.indexOf('/')) : '';
let mediaTypeLimit = fileSizeLimits[mediaType] || false;
let customLimits = fileSizeLimits['customByContentType'];
if (!file) {
throw new Error('no file provided');
}
if (/'/.test(file.name)) {
throw new Error('apostrophes are not allowed in the file name');
}
if (Object.keys(customLimits).includes(contentType)) {
if (file.size > customLimits[contentType]) {
throw new Error(
`Sorry, type ${contentType} is limited to ${customLimits[contentType] / SIZE_MB} MB.`
);
}
}
if (mediaTypeLimit) {
if (file.size > mediaTypeLimit) {
throw new Error(`Sorry, type ${mediaType} is limited to ${mediaTypeLimit / SIZE_MB} MB.`);
}
}
return file;
}