@polkadot/util/cjs/u8a/toU8a.js

A collection of useful utilities for @polkadot

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.u8aToU8a = void 0;
const toU8a_js_1 = require("../hex/toU8a.js");
const buffer_js_1 = require("../is/buffer.js");
const hex_js_1 = require("../is/hex.js");
const u8a_js_1 = require("../is/u8a.js");
const toU8a_js_2 = require("../string/toU8a.js");
/**
 * @name u8aToU8a
 * @summary Creates a Uint8Array value from a Uint8Array, Buffer, string or hex input.
 * @description
 * `null` or `undefined` inputs returns a `[]` result, Uint8Array values returns the value, hex strings returns a Uint8Array representation.
 * @example
 * <BR>
 *
 * ```javascript
 * import { u8aToU8a } from '@polkadot/util';
 *
 * u8aToU8a(new Uint8Array([0x12, 0x34]); // => Uint8Array([0x12, 0x34])
 * u8aToU8a(0x1234); // => Uint8Array([0x12, 0x34])
 * ```
 */
function u8aToU8a(value) {
    return (0, u8a_js_1.isU8a)(value)
        // NOTE isBuffer needs to go here since it actually extends
        // Uint8Array on Node.js environments, so all Buffer are Uint8Array,
        // but Uint8Array is not Buffer
        ? (0, buffer_js_1.isBuffer)(value)
            ? new Uint8Array(value)
            : value
        : (0, hex_js_1.isHex)(value)
            ? (0, toU8a_js_1.hexToU8a)(value)
            : Array.isArray(value)
                ? new Uint8Array(value)
                : (0, toU8a_js_2.stringToU8a)(value);
}
exports.u8aToU8a = u8aToU8a;