yhtml5-test/demo/node_modules/jest-runtime/build/shouldInstrument.js

A test framework for front-end projects

'use strict'; /**
               * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
               *
               * This source code is licensed under the BSD-style license found in the
               * LICENSE file in the root directory of this source tree. An additional grant
               * of patent rights can be found in the PATENTS file in the same directory.
               *
               * 
               */




const path = require('path');var _require =
require('jest-regex-util');const escapePathForRegex = _require.escapePathForRegex;
const micromatch = require('micromatch');

const MOCKS_PATTERN = new RegExp(
escapePathForRegex(path.sep + '__mocks__' + path.sep));


const shouldInstrument = (
filename,
options,
config) =>
{
  if (!options.collectCoverage) {
    return false;
  }

  if (config.testRegex && filename.match(config.testRegex)) {
    return false;
  }

  if (
  config.testMatch &&
  config.testMatch.length &&
  micromatch.any(filename, config.testMatch))
  {
    return false;
  }

  if (
  // This configuration field contains an object in the form of:
  // {'path/to/file.js': true}
  options.collectCoverageOnlyFrom &&
  !options.collectCoverageOnlyFrom[filename])
  {
    return false;
  }

  if (
  // still cover if `only` is specified
  !options.collectCoverageOnlyFrom &&
  options.collectCoverageFrom &&
  !micromatch(
  [path.relative(config.rootDir, filename)],
  options.collectCoverageFrom).
  length)
  {
    return false;
  }

  if (
  config.coveragePathIgnorePatterns &&
  config.coveragePathIgnorePatterns.some(pattern => filename.match(pattern)))
  {
    return false;
  }

  if (MOCKS_PATTERN.test(filename)) {
    return false;
  }

  return true;
};

module.exports = shouldInstrument;