genshin-manager/dist/utils/TextMapEmptyWritable.js

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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.TextMapEmptyWritable = void 0;
const stream_1 = require("stream");
/**
 * TextMapEmptyWritable
 */
class TextMapEmptyWritable extends stream_1.Writable {
    constructor() {
        super(...arguments);
        this.buffer = Buffer.from('');
    }
    /**
     * Create a TextMapEmptyWritable
     * @param chunk Buffer
     * @param encoding Encoding
     * @param callback Callback
     */
    _write(chunk, encoding, callback) {
        const combinedBuffer = Buffer.concat([this.buffer, chunk]);
        const lineBuffers = this.splitBuffer(combinedBuffer, Buffer.from('\n'));
        this.buffer = lineBuffers.pop() || Buffer.from('');
        if (lineBuffers.length === 0) {
            callback();
            return;
        }
        const lines = lineBuffers.map((buffer) => buffer.toString());
        lines.forEach((line) => {
            const matchArray = line.match(/(?<=")([^"\\]|\\.)*?(?=")/g);
            if (!matchArray)
                return;
            const [key, , value] = matchArray;
            this.emit('data', {
                key: key,
                value: value.replace(/\\n/g, '\n'),
            });
        });
        callback();
    }
    splitBuffer(array, separator) {
        const result = [];
        let start = 0;
        let index;
        while ((index = array.indexOf(separator, start)) !== -1) {
            result.push(array.slice(start, index));
            start = index + separator.length;
        }
        result.push(array.slice(start));
        return result;
    }
}
exports.TextMapEmptyWritable = TextMapEmptyWritable;