27 lines
701 B
TypeScript
27 lines
701 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(string.replace(/-/g, "+").replace(/_/g, "/")),
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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.match(/.{1,2}/g).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)).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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