@opengis/fastify-table/dist/server/routes/file/controllers/utils/jsonlToJsonFile.js

core-plugins

import { once } from "node:events";
import { rm } from "node:fs/promises";
import { createInterface } from "node:readline";
import { createReadStream, createWriteStream } from "node:fs";
export default async function jsonlToJsonFile(inputPath) {
    const outputPath = inputPath.replace(/.jsonl$/g, ".json");
    const input = createReadStream(inputPath);
    const output = createWriteStream(outputPath);
    const stream = createInterface({ input, crlfDelay: Infinity });
    output.write("[\n");
    let first = true;
    stream.on("line", (line) => {
        if (!line.trim())
            return;
        if (!first)
            output.write(",\n");
        output.write(JSON.stringify(JSON.parse(line)));
        first = false;
    });
    // await stream to close /until convert finished
    await once(stream, "close");
    output.write("\n]");
    output.end();
    // wait for write stream to finish flushing
    await once(output, "finish");
    // rm temporary json line
    await rm(inputPath, {
        recursive: true,
        force: true,
    });
    return outputPath;
}