gr-base/shelf/deno/hjq/main.ts

// a basic drop-in replacement for jq to handle HJSON
// tries to preserve comments but doesn't do a very good job :(

import Hjson from "hjson";
import jqModule from "jq-web";
import fs from "node:fs";

export const n = 42;

const jq = await jqModule;

var filter = process.argv[2];
if (!filter) {
    filter = '.';
}

const input = fs.readFileSync(0, 'utf8');

try {
    const data = Hjson.parse(input, { keepWsc: true });

    const result = jq.json(data, filter);

    // Only try to preserve comments if the result is an object or array
    if (result !== null && typeof result === 'object') {
        // Extract comments before transformation
        const comments = Hjson.comments.extract(data);

        // Merge comments back into the transformed result
        if (comments) {
            Hjson.comments.merge(comments, result);
        }

        const output = Hjson.stringify(result, {
            keepWsc: true,
            bracesSameLine: true
        });

        console.log(output);
    } else {
        console.log(JSON.stringify(result));
    }
} catch (error) {
    console.error(error);
    process.exit(1);
}