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20 lines
521 B
TypeScript
20 lines
521 B
TypeScript
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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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// deno-fmt-ignore
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const hexTable = new Uint8Array([
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48, 49, 50, 51, 52, 53,
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54, 55, 56, 57, 97, 98,
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99, 100, 101, 102
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]);
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/** Encodes `src` into `src.length * 2` bytes. */
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export function encode(src: Uint8Array): Uint8Array {
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const dst = new Uint8Array(src.length * 2);
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for (let i = 0; i < dst.length; i++) {
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const v = src[i];
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dst[i * 2] = hexTable[v >> 4];
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dst[i * 2 + 1] = hexTable[v & 0x0f];
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}
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return dst;
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}
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