push.rocks/smartstring
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

fix(core): update

Browse Source
This commit is contained in:
Philipp Kunz 2019-10-10 18:24:03 +02:00
parent 8d9c75e113
commit a1ee8f37d6
1 changed files with 9 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
ts/smartstring.type.ts
View File

@ -69,5 +69,13 @@ export const isUtf8 = (stringArg: string) => {
};
export const isBase64 = (stringArg: string) => {
return stringArg.endsWith('=');
const notBase64 = /[^A-Z0-9+\/=]/i;
const len = stringArg.length;
if (!len || len % 4 !== 0 || notBase64.test(stringArg)) {
return false;
}
const firstPaddingChar = stringArg.indexOf('=');
return firstPaddingChar === -1 ||
firstPaddingChar === len - 1 ||
(firstPaddingChar === len - 2 && stringArg[len - 1] === '=');
};