17 lines
552 B
TypeScript
17 lines
552 B
TypeScript
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import type { BytesLike } from "./types.js";
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export function isHexString(value: any, length?: number | boolean): value is string {
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if (typeof(value) !== "string" || !value.match(/^0x[0-9A-Fa-f]*$/)) {
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return false
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}
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if (typeof(length) === "number" && value.length !== 2 + 2 * length) { return false; }
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if (length === true && (value.length % 2) !== 0) { return false; }
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return true;
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}
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export function isBytesLike(value: any): value is BytesLike {
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return (isHexString(value, true) || (value instanceof Uint8Array));
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}
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