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