mirrors/it-tools
1
0
Fork 0
mirror of https://github.com/CorentinTh/it-tools.git synced 2025-04-21 07:16:15 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

refactor(base64-to-file): clean validation to convert base64 to file

Browse source
This commit is contained in:
Corentin Thomasset 2022-07-29 10:56:04 +02:00
parent 5f03619ab4
commit 750a76b00f
No known key found for this signature in database
GPG key ID: 3103EB5E79496F9C
4 changed files with 113 additions and 22 deletions
Download patch file Download diff file Expand all files Collapse all files

29
src/composable/downloadBase64.ts
View file

@ -1,16 +1,35 @@
import { extension as getExtensionFromMime } from 'mime-types';
import type { Ref } from 'vue';
function getFileExtensionFromBase64({
base64String,
defaultExtension = 'txt',
}: {
base64String: string;
defaultExtension?: string;
}) {
const hasMimeType = base64String.match(/data:(.*?);base64/i);
if (hasMimeType) {
return getExtensionFromMime(hasMimeType[1]) || defaultExtension;
}
return defaultExtension;
}
export function useDownloadFileFromBase64({ source, filename }: { source: Ref<string>; filename?: string }) {
return {
download() {
const base64 = source.value;
const mimeType = base64.match(/data:(.*?);base64/i)?.[1] ?? 'text/plain';
console.log({ mimeType });
const cleanFileName = filename ?? `file.${getExtensionFromMime(mimeType)}`;
const base64String = source.value;
if (base64String === '') {
throw new Error('Base64 string is empty');
}
const cleanFileName = filename ?? `file.${getFileExtensionFromBase64({ base64String })}`;
const a = document.createElement('a');
a.href = source.value;
a.href = base64String;
a.download = cleanFileName;
a.click();
},