signal-desktop/ts/util/arrayBufferToObjectURL.ts
2018-04-27 16:31:42 -04:00

21 lines
393 B
TypeScript

/**
* @prettier
*/
import is from '@sindresorhus/is';
import { MIMEType } from '../types/MIME';
export const arrayBufferToObjectURL = ({
data,
type,
}: {
data: ArrayBuffer;
type: MIMEType;
}): string => {
if (!is.arrayBuffer(data)) {
throw new TypeError('`data` must be an ArrayBuffer');
}
const blob = new Blob([data], { type });
return URL.createObjectURL(blob);
};