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46 lines
771 B
TypeScript
46 lines
771 B
TypeScript
// Loaded from https://deno.land/x/segno@v1.1.0/lib/validations/isHash.ts
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// @ts-ignore allowing typedoc to build
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import { assertString } from '../helpers/assertString.ts';
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type Algorithm =
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| 'md5'
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| 'md4'
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| 'sha1'
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| 'sha256'
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| 'sha384'
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| 'sha512'
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| 'ripemd128'
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| 'ripemd160'
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| 'tiger128'
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| 'tiger160'
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| 'tiger192'
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| 'crc32'
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| 'crc32b';
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/**
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* @ignore
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*/
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const lengths = {
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md5: 32,
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md4: 32,
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sha1: 40,
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sha256: 64,
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sha384: 96,
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sha512: 128,
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ripemd128: 32,
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ripemd160: 40,
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tiger128: 32,
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tiger160: 40,
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tiger192: 48,
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crc32: 8,
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crc32b: 8,
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};
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export const isHash = (str: string, algorithm: Algorithm) => {
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assertString(str);
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const hash = new RegExp(`^[a-fA-F0-9]{${lengths[algorithm]}}$`);
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return hash.test(str);
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};
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