offline-fantasy-name-generators/fantasy.js

#! /usr/bin/env node

const {VM} = require('vm2');
const {readFileSync} = require('fs');

const gens = JSON.parse(readFileSync('generators/generators.js').toString());

const run = (info) =>
{
  // console.log(info);
  const js = readFileSync(`generators/${info.file}`).toString();
  const code = `
  class FakeNode
  {
    appendChild() {}
    removeChild() {}
    setAttribute() {}
  };

  let radio_value;
  const $ = () => ({ css: () => {}, each: () => {}, val: () => radio_value,
                     ready: () => {}, is: () => false /* todo */ });

  // let's implement jquery, e-a-e-a-o
  $.inArray = (val, array, from) =>
  {
    for (let i = from; i < array.length; ++i)
      if (array[i] === val) return i;
    return -1;
  };

  $.merge = (a, b) =>
  {
    for (const x in b) a.push(x);
    return a;
  };

  const document =
  {
    createElement: () => new FakeNode(),
    getElementById: () => new FakeNode(),
    createTextNode: log,
  };
  const testSwear = () => {};

  // sometimes used without initializing
  // not let, because they are sometimes declared...
  rnd = 0; rnd0 = 0; rnd1 = 0; rnd2 = 0; rnd3 = 0; rnd4 = 0; rnd5 = 0; rnd6 = 0;
  rnd7 = 0; rnd8 = 0; rnd9 = 0; rnd10 = 0; rnd11 = 0; first = 1;
  // also typo
  rmd3 = 0;

  ${js}
  triggered = 1; // prevent some easter egg shit
  ${info.call}
  `;
  new VM({
    sandbox: { log: console.log }, timeout: 1000,
    eval: false, wasm: false, require: false, nesting: false,
  }).run(code);
};

let args = process.argv.slice(2);
if (args.length === 0)
{
  const print_rec = (path, rem) =>
  {
    if (rem.file)
      console.log(path.join(' > '));
    else
      for (const k in rem)
        print_rec(path.concat([k]), rem[k]);
  };
  print_rec([], gens.paths);
  return;
}

if (args.length === 1 && args[0].indexOf('>') !== -1)
  args = args[0].split(/[ \t]*>[ \t]*/);

let x = gens.paths;
for (const p of args)
{
  x = x[p];
  if (!x) throw `Unknown item ${p}`;
}
run(x);