remark-test.js

const fs = require('fs');
const parse = require('remark-parse');
const slug = require('remark-slug');
const headings = require('remark-autolink-headings');
const github = require('remark-github');
const toc = require('remark-toc');
const unified = require('unified');

function dump(processor, options) {
    class Compiler {
        compile(node) {
            return JSON.stringify(node, null, 2);
        }
    }
    processor.Compiler = Compiler;
}

unified().use([
    parse,
    dump,
    toc,
    slug,
    headings,
    github
]).process(fs.readFileSync(process.argv[2]), (err, ret) => {
    if (err) {
        console.error(err.message);
        return;
    }
    console.log(ret.contents);
});