emmet.sdk/utils/format/hexToDecimalString.js

Emmet.Bridge SDK library

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.hexToDecimalString = void 0;
function hexToDecimalString(s) {
    const hexToDecimalMap = {
        '0': '0',
        '1': '1',
        '2': '2',
        '3': '3',
        '4': '4',
        '5': '5',
        '6': '6',
        '7': '7',
        '8': '8',
        '9': '9',
        'a': '10',
        'b': '11',
        'c': '12',
        'd': '13',
        'e': '14',
        'f': '15',
    };
    let hexString = s.startsWith('0x')
        ? s.slice(2)
        : s;
    let decimalValue = '0';
    for (let i = hexString.length - 1; i >= 0; i--) {
        const hexDigit = hexString[i].toLowerCase();
        const decimalDigit = hexToDecimalMap[hexDigit];
        if (decimalDigit === undefined) {
            throw new Error(`Invalid hexadecimal character: ${hexDigit}`);
        }
        const powerOf16 = BigInt(hexString.length - 1 - i);
        const digitValue = BigInt(decimalDigit);
        decimalValue = (BigInt(decimalValue) + digitValue * (16n ** powerOf16)).toString();
    }
    return decimalValue;
}
exports.hexToDecimalString = hexToDecimalString;
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