@ton-community/tlb-runtime/dist/common.js

TL‑B Runtime is a library for parsing and (de)serializing data according to TL‑B schemas

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.stringToBits = stringToBits;
exports.bitsToString = bitsToString;
exports.normalizeBitString = normalizeBitString;
exports.toCell = toCell;
const core_1 = require("@ton/core");
const TLBRuntime_1 = require("./TLBRuntime");
function stringToBits(text) {
    const bytes = Buffer.from(text, 'utf-8');
    return new core_1.BitString(bytes, 0, bytes.length * 8);
}
function bitsToString(bits) {
    if (bits.length % 8 !== 0) {
        throw new Error('Bits must be at least 8 bits');
    }
    let text = '';
    for (let offset = 0; offset < bits.length; offset += 8) {
        text += String.fromCharCode(parseInt(`0x${bits.substring(offset, 8).toString()}`));
    }
    return text;
}
function normalizeBitString(bits) {
    const length = bits.length;
    const newBuffer = Buffer.alloc(Math.ceil(length / 8));
    for (let i = 0; i < length; i++) {
        const byteIndex = Math.floor(i / 8);
        const bitIndex = 7 - (i % 8);
        if (bits.at(i)) {
            newBuffer[byteIndex] |= 1 << bitIndex;
        }
    }
    return new core_1.BitString(newBuffer, 0, length);
}
function toCell(data) {
    try {
        return { success: true, value: core_1.Cell.fromBase64(data) };
    }
    catch (_) {
        try {
            return { success: true, value: core_1.Cell.fromHex(data) };
        }
        catch (_) {
            return { success: false, error: new TLBRuntime_1.TLBDataError('Bad BoC string') };
        }
    }
}