mirror of
https://github.com/pezkuwichain/pezkuwi-common.git
synced 2026-04-22 11:27:59 +00:00
40 lines
1.3 KiB
JavaScript
40 lines
1.3 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.xxhashAsHex = void 0;
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exports.xxhashAsU8a = xxhashAsU8a;
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const util_1 = require("@pezkuwi/util");
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const wasm_crypto_1 = require("@pezkuwi/wasm-crypto");
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const helpers_js_1 = require("../helpers.js");
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const xxhash64_js_1 = require("./xxhash64.js");
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/**
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* @name xxhashAsU8a
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* @summary Creates a xxhash64 u8a from the input.
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* @description
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* From either a `string`, `Uint8Array` or a `Buffer` input, create the xxhash64 and return the result as a `Uint8Array` with the specified `bitLength`.
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* @example
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* <BR>
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*
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* ```javascript
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* import { xxhashAsU8a } from '@pezkuwi/util-crypto';
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*
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* xxhashAsU8a('abc'); // => 0x44bc2cf5ad770999
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* ```
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*/
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function xxhashAsU8a(data, bitLength = 64, onlyJs) {
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const rounds = Math.ceil(bitLength / 64);
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const u8a = (0, util_1.u8aToU8a)(data);
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if (!util_1.hasBigInt || (!onlyJs && (0, wasm_crypto_1.isReady)())) {
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return (0, wasm_crypto_1.twox)(u8a, rounds);
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}
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const result = new Uint8Array(rounds * 8);
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for (let seed = 0; seed < rounds; seed++) {
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result.set((0, xxhash64_js_1.xxhash64)(u8a, seed).reverse(), seed * 8);
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}
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return result;
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}
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/**
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* @name xxhashAsHex
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* @description Creates a xxhash64 hex from the input.
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*/
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exports.xxhashAsHex = (0, helpers_js_1.createAsHex)(xxhashAsU8a);
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