node-raylib

#!/usr/bin/env node

// sometimes eval is not evil...
/* eslint no-eval: 0 */

const fs = require('fs')
const path = require('path')
const raylib = require('..')
const pkg = require('../package.json')

const usage = `
  ${pkg.description}
    Usage
      $ node-raylib [file]

    Examples
      $ node-raylib - runs data/index.js or index.js
      $ node-raylib core_basic_window.js
`

// find best file for enry-point
let filename = process.argv[2]

if (filename === '--help') {
  console.error(usage)
  process.exit(1)
}

if (filename === '--version') {
  console.log(pkg.version)
  process.exit(0)
}

if (!filename) {
  const f1 = path.join(process.cwd(), 'data', 'index.js')
  const f2 = path.join(process.cwd(), 'index.js')
  if (raylib.FileExists(f1)) {
    filename = f1
  } else if (raylib.FileExists(f2)) {
    filename = f2
  }
  else {
    console.error(usage)
    process.exit(0)
  }
}

if (!raylib.FileExists(filename)) {
  console.error('Provided file does not exist.')
  console.error(usage)
  process.exit(1)
}

// Add a "raylib" module alias for when it's not found.
const moduleAlias = require('module-alias')
moduleAlias.addAlias('raylib', path.join(__dirname, '..'))

// Retrieve the context of the file.
const realpath = fs.realpathSync(filename)

// Switch to the file's directory so that file loading works.
process.chdir(path.dirname(realpath))

// Inject raylib as a global variable.
global.raylib = raylib

// Load up the module's path.
require(realpath)

// load the file, but don't require it (so you can use this file in an exe bundler)
eval(fs.readFileSync(realpath))