in lib/messageUtils.ts [313:321]
export function toBinary(string: string): string {
const codeUnits = new Uint16Array(string.length);
for (let i = 0; i < codeUnits.length; i++) {
codeUnits[i] = string.charCodeAt(i);
}
return btoa(
String.fromCharCode(...Array.from(new Uint8Array(codeUnits.buffer))),
);
}