@liskhq/lisk-codec/dist-node/string.js

Implementation of decoder and encoder using Lisk JSON schema according to the Lisk protocol

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.readString = exports.writeString = void 0;
const bytes_1 = require("./bytes");
const writeString = (value) => {
    const normalized = value.normalize('NFC');
    const stringBuffer = Buffer.from(normalized, 'utf8');
    return (0, bytes_1.writeBytes)(stringBuffer);
};
exports.writeString = writeString;
const readString = (buffer, offset) => {
    const [value, size] = (0, bytes_1.readBytes)(buffer, offset);
    const decodedStr = new TextDecoder('utf8', { fatal: true }).decode(value);
    if (decodedStr.normalize('NFC') !== decodedStr) {
        throw new Error('UTF8 bytes include non-normalized bytes');
    }
    return [decodedStr, size];
};
exports.readString = readString;
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