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• [DIR] ..
• [FILE] b58.ts
• [FILE] b64.ts
• [FILE] bcs-type.ts
• [FILE] bcs.ts
• [FILE] hex.ts
• [FILE] index.ts
• [FILE] reader.ts
• [FILE] types.ts
• [FILE] uleb.ts
• [FILE] utils.ts
• [FILE] writer.ts

Просмотр файла: utils.ts

// Copyright (c) Mysten Labs, Inc.
// Modifications Copyright (c) 2024 IOTA Stiftung
// SPDX-License-Identifier: Apache-2.0

import { fromBase58, toBase58 } from './b58.js';
import { fromBase64, toBase64 } from './b64.js';
import { fromHex, toHex } from './hex.js';
import type { Encoding } from './types.js';

/**
 * Encode data with either `hex` or `base64`.
 *
 * @param {Uint8Array} data Data to encode.
 * @param {String} encoding Encoding to use: base64 or hex
 * @return {String} Encoded value.
 */
export function encodeStr(data: Uint8Array, encoding: Encoding): string {
    switch (encoding) {
        case 'base58':
            return toBase58(data);
        case 'base64':
            return toBase64(data);
        case 'hex':
            return toHex(data);
        default:
            throw new Error('Unsupported encoding, supported values are: base64, hex');
    }
}

/**
 * Decode either `base64` or `hex` data.
 *
 * @param {String} data Data to encode.
 * @param {String} encoding Encoding to use: base64 or hex
 * @return {Uint8Array} Encoded value.
 */
export function decodeStr(data: string, encoding: Encoding): Uint8Array {
    switch (encoding) {
        case 'base58':
            return fromBase58(data);
        case 'base64':
            return fromBase64(data);
        case 'hex':
            return fromHex(data);
        default:
            throw new Error('Unsupported encoding, supported values are: base64, hex');
    }
}

export function splitGenericParameters(
    str: string,
    genericSeparators: [string, string] = ['<', '>'],
) {
    const [left, right] = genericSeparators;
    const tok = [];
    let word = '';
    let nestedAngleBrackets = 0;

    for (let i = 0; i < str.length; i++) {
        const char = str[i];
        if (char === left) {
            nestedAngleBrackets++;
        }
        if (char === right) {
            nestedAngleBrackets--;
        }
        if (nestedAngleBrackets === 0 && char === ',') {
            tok.push(word.trim());
            word = '';
            continue;
        }
        word += char;
    }

    tok.push(word.trim());

    return tok;
}

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