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export function byteify(string: string, encoding: 'ascii' | 'base64' | 'hex') {
switch (encoding) {
case 'ascii':
return Uint8Array.from(string, c => c.charCodeAt(0));
case 'base64':
return Uint8Array.from(
atob(
string
.replace(/-/g, '+')
.replace(/_/g, '/'),
),
c => c.charCodeAt(0),
);
case 'hex':
return new Uint8Array(
string
.match(/.{1,2}/g)
.map(byte => parseInt(byte, 16)),
);
}
}
export function hexify(buffer: ArrayBuffer) {
return Array.from(new Uint8Array(buffer))
.reduce(
(str, byte) => str + byte.toString(16).padStart(2, '0'),
'',
);
}
export function stringify(buffer: ArrayBuffer) {
return String.fromCharCode(... new Uint8Array(buffer));
}
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