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MediaWiki:Gadget-libPolyfill-crypto.randomUUID.js

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AnnAngela-dbot留言 | 贡献2025年7月24日 (四) 20:57的版本 (代码变动:103d1a56 - feat: rename (#594) by U:AnnAngela, co-authored-by: GH:github-actions[bot])

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/**
 * -------------------------------------------------------------------------
 * !!! DON'T MODIFY THIS PAGE MANUALLY, YOUR CHANGES WILL BE OVERWRITTEN !!!
 * -------------------------------------------------------------------------
 */
var _addText = '{{GHIACode|page=GHIA:MoegirlPediaInterfaceCodes/blob/master/src/gadgets/libPolyfill/Gadget-libPolyfill-crypto.randomUUID.js|user=[[U:AnnAngela]]|co-authors=GH:github-actions[bot]|longId=103d1a563ea4ccc8ff29fb55c9bcd88329a56eb5|shortId=103d1a56|summary=feat: rename (#594)|body=<nowiki>Co-authored-by: github-actions[bot] <41898282+github-actions[bot]📧users.noreply.github.com></nowiki>}}'; 

/* <pre> */

"use strict";
(() => {
    const REGEX = /^(?:[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}|00000000-0000-0000-0000-000000000000)$/i;
    const validate = (uuid) => "string" === typeof uuid && REGEX.test(uuid);
    const rnds8 = new Uint8Array(16);
    const rng = () => crypto.getRandomValues(rnds8);
    const byteToHex = [];
    for (let i = 0; i < 256; ++i) {
        byteToHex.push((i + 256).toString(16).substring(1));
    }
    const unsafeStringify = (arr, offset = 0) => `${byteToHex[arr[offset + 0]]}${byteToHex[arr[offset + 1]]}${byteToHex[arr[offset + 2]]}${byteToHex[arr[offset + 3]]}-${byteToHex[arr[offset + 4]]}${byteToHex[arr[offset + 5]]}-${byteToHex[arr[offset + 6]]}${byteToHex[arr[offset + 7]]}-${byteToHex[arr[offset + 8]]}${byteToHex[arr[offset + 9]]}-${byteToHex[arr[offset + 10]]}${byteToHex[arr[offset + 11]]}${byteToHex[arr[offset + 12]]}${byteToHex[arr[offset + 13]]}${byteToHex[arr[offset + 14]]}${byteToHex[arr[offset + 15]]}`.toLowerCase();
    const v4 = (options = {}, buf, offset = 0) => {
        const rnds = options.random || (options.rng || rng)();
        rnds[6] = rnds[6] & 0x0f | 0x40;
        rnds[8] = rnds[8] & 0x3f | 0x80;
        if (buf) {
            for (let i = 0; i < 16; ++i) {
                buf[offset + i] = rnds[i];
            }
            return buf;
        }
        return unsafeStringify(rnds);
    };
    try {
        if (!validate(crypto.randomUUID())) {
            throw void 0;
        }
    }
    catch {
        crypto.randomUUID = () => v4();
    }
})(); 

/* </pre> */