ethers.js/packages/json-wallets/lib.esm/utils.js

"use strict";
import { arrayify, hexlify } from "@ethersproject/bytes";
import { toUtf8Bytes, UnicodeNormalizationForm } from '@ethersproject/strings';
export function looseArrayify(hexString) {
    if (typeof (hexString) === 'string' && hexString.substring(0, 2) !== '0x') {
        hexString = '0x' + hexString;
    }
    return arrayify(hexString);
}
export function zpad(value, length) {
    value = String(value);
    while (value.length < length) {
        value = '0' + value;
    }
    return value;
}
export function getPassword(password) {
    if (typeof (password) === 'string') {
        return toUtf8Bytes(password, UnicodeNormalizationForm.NFKC);
    }
    return arrayify(password);
}
export function searchPath(object, path) {
    let currentChild = object;
    const comps = path.toLowerCase().split('/');
    for (let i = 0; i < comps.length; i++) {
        // Search for a child object with a case-insensitive matching key
        let matchingChild = null;
        for (const key in currentChild) {
            if (key.toLowerCase() === comps[i]) {
                matchingChild = currentChild[key];
                break;
            }
        }
        // Didn't find one. :'(
        if (matchingChild === null) {
            return null;
        }
        // Now check this child...
        currentChild = matchingChild;
    }
    return currentChild;
}
// See: https://www.ietf.org/rfc/rfc4122.txt (Section 4.4)
export function uuidV4(randomBytes) {
    const bytes = arrayify(randomBytes);
    // Section: 4.1.3:
    // - time_hi_and_version[12:16] = 0b0100
    bytes[6] = (bytes[6] & 0x0f) | 0x40;
    // Section 4.4
    // - clock_seq_hi_and_reserved[6] = 0b0
    // - clock_seq_hi_and_reserved[7] = 0b1
    bytes[8] = (bytes[8] & 0x3f) | 0x80;
    const value = hexlify(bytes);
    return [
        value.substring(2, 10),
        value.substring(10, 14),
        value.substring(14, 18),
        value.substring(18, 22),
        value.substring(22, 34),
    ].join("-");
}
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