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