@webex/jsdoctrinetest/src/index.js

/*!
 * Copyright (c) 2015-2020 Cisco Systems, Inc. See LICENSE file.
 */

/* eslint require-jsdoc: [0] */
/* eslint no-console: [0] */

import path from 'path';

import generate from '@babel/generator';

import extract from './extract';
import transform from './transform';

function isNodeModule(filename) {
  return filename.includes('node_modules') && !filename.includes('packages/node_modules');
}

function inject(module, filename) {
  const {code} = generate(extract(transform, filename), {
    compact: false,
    quotes: 'single',
  });

  if (process.env.JSDOCTRINETEST_VERBOSE) {
    console.log(filename);
    console.log(code);
    console.log();
  }
  module._compile(code, filename);
}

function enableSpecInjection() {
  let dir;
  const load = require.extensions['.js'];

  require.extensions['.js'] = function loadWithSpecs(m, filename) {
    if (isNodeModule(filename)) {
      return load(m, filename);
    }
    // this is really janky, but so far seems to properly ensure we only load
    // files in the directories specified to mocha
    if (!dir) {
      dir = path.dirname(filename);
    }

    if (!filename.includes(dir)) {
      return load(m, filename);
    }

    return inject(m, filename);
  };
}

enableSpecInjection();