ROBO24 - Markdown table generator

import fs from "fs";
import util from "util";

const readFile = util.promisify(fs.readFile);

const writer = process.stdout;

(async function generateMarkdownBinaryTable() {
    const buffer = await readFile("chunk.txt");
    const data = buffer.toString();
    const blocks = data.trim().split("---");
    for (let block of blocks) {
        const lines = block.trim().split("\n");
        let offset = 0;
        writer.write(`| Offset | Size | Type | Field | Description |\n`);
        writer.write(`|--------|------|------|-------|-------------|\n`);
        for (let line of lines) {
            const segments = line.split(";");
            let [enableOffset, expression, type, description] = segments;
            const rowOffset = enableOffset === "0" ? "dynamic" : "0x" + offset.toString(16).padStart(5, "0");
            const byteSize = eval(expression);
            type = type ? type.trim() : "";
            description = description ? description.trim() : "";
            writer.write(`|${rowOffset}|${byteSize}|${type}|${description}|\n`);
            offset += parseInt(byteSize);
        }
        writer.write(`\n`);
    }
})();