ccc-tnt-psd2ui/ccc-tnt-psd2ui-v3.4.+/libs/psd2ui/utils/Utils.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.utils = void 0;
// ------------decode-uuid
const BASE64_KEYS = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
const values = new Array(123); // max char code in base64Keys
for (let i = 0; i < 123; ++i) {
    values[i] = 64;
} // fill with placeholder('=') index
for (let i = 0; i < 64; ++i) {
    values[BASE64_KEYS.charCodeAt(i)] = i;
}
// decoded value indexed by base64 char code
const BASE64_VALUES = values;
const HexChars = '0123456789abcdef'.split('');
const _t = ['', '', '', ''];
const UuidTemplate = _t.concat(_t, '-', _t, '-', _t, '-', _t, '-', _t, _t, _t);
const Indices = UuidTemplate.map((x, i) => x === '-' ? NaN : i).filter(isFinite);
let HexMap = {};
{
    for (let i = 0; i < HexChars.length; i++) {
        let char = HexChars[i];
        HexMap[char] = i;
    }
}
class Utils {
    uuid() {
        var d = new Date().getTime();
        if (globalThis.performance && typeof globalThis.performance.now === "function") {
            d += performance.now(); //use high-precision timer if available
        }
        var uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
            var r = (d + Math.random() * 16) % 16 | 0;
            d = Math.floor(d / 16);
            return (c == 'x' ? r : (r & 0x3 | 0x8)).toString(16);
        });
        return uuid;
    }
    decodeUuid(base64) {
        const strs = base64.split('@');
        const uuid = strs[0];
        if (uuid.length !== 22) {
            return base64;
        }
        UuidTemplate[0] = base64[0];
        UuidTemplate[1] = base64[1];
        for (let i = 2, j = 2; i < 22; i += 2) {
            const lhs = BASE64_VALUES[base64.charCodeAt(i)];
            const rhs = BASE64_VALUES[base64.charCodeAt(i + 1)];
            UuidTemplate[Indices[j++]] = HexChars[lhs >> 2];
            UuidTemplate[Indices[j++]] = HexChars[((lhs & 3) << 2) | rhs >> 4];
            UuidTemplate[Indices[j++]] = HexChars[rhs & 0xF];
        }
        return base64.replace(uuid, UuidTemplate.join(''));
    }
    // 压缩uuid
    compressUuid(fullUuid) {
        const strs = fullUuid.split('@');
        const uuid = strs[0];
        if (uuid.length !== 36) {
            return fullUuid;
        }
        let zipUuid = [];
        zipUuid[0] = uuid[0];
        zipUuid[1] = uuid[1];
        let cleanUuid = uuid.replace('-', '').replace('-', '').replace('-', '').replace('-', '');
        for (let i = 2, j = 2; i < 32; i += 3) {
            const left = HexMap[String.fromCharCode(cleanUuid.charCodeAt(i))];
            const mid = HexMap[String.fromCharCode(cleanUuid.charCodeAt(i + 1))];
            const right = HexMap[String.fromCharCode(cleanUuid.charCodeAt(i + 2))];
            zipUuid[j++] = BASE64_KEYS[(left << 2) + (mid >> 2)];
            zipUuid[j++] = BASE64_KEYS[((mid & 3) << 4) + right];
        }
        return fullUuid.replace(uuid, zipUuid.join(''));
    }
    isNumber(val) {
        return (!isNaN(parseFloat(val)) && isFinite(val));
    }
}
exports.utils = new Utils();