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62.41

/resolvers/webpack/index.js

var findRoot = require('find-root')
  , path = require('path')
  , get = require('lodash/get')
  , isEqual = require('lodash/isEqual')
  , find = require('array-find')
  , interpret = require('interpret')
  , fs = require('fs')
  , coreLibs = require('node-libs-browser')
  , resolve = require('resolve')
  , semver = require('semver')
  , has = require('has')

var log = require('debug')('eslint-plugin-import:resolver:webpack')

exports.interfaceVersion = 2

/**
 * Find the full path to 'source', given 'file' as a full reference path.
 *
 * resolveImport('./foo', '/Users/ben/bar.js') => '/Users/ben/foo.js'
 * @param  {string} source - the module to resolve; i.e './some-module'
 * @param  {string} file - the importing file's full path; i.e. '/usr/local/bin/file.js'
 * TODO: take options as a third param, with webpack config file name
 * @return {string?} the resolved path to source, undefined if not resolved, or null
 *                   if resolved to a non-FS resource (i.e. script tag at page load)
 */
exports.resolve = function (source, file, settings) {

  // strip loaders
  var finalBang = source.lastIndexOf('!')
  if (finalBang >= 0) {
    source = source.slice(finalBang + 1)
  }

  // strip resource query
  var finalQuestionMark = source.lastIndexOf('?')
  if (finalQuestionMark >= 0) {
    source = source.slice(0, finalQuestionMark)
  }

  var webpackConfig

  var configPath = get(settings, 'config')
    , configIndex = get(settings, 'config-index')
    , env = get(settings, 'env')
    , argv = get(settings, 'argv', {})
    , packageDir

  log('Config path from settings:', configPath)

  // see if we've got a config path, a config object, an array of config objects or a config function
  if (!configPath || typeof configPath === 'string') {

      // see if we've got an absolute path
      if (!configPath || !path.isAbsolute(configPath)) {
        // if not, find ancestral package.json and use its directory as base for the path
        packageDir = findRoot(path.resolve(file))
        if (!packageDir) throw new Error('package not found above ' + file)
      }

      configPath = findConfigPath(configPath, packageDir)

      log('Config path resolved to:', configPath)
      if (configPath) {
        try {
          webpackConfig = require(configPath)
        } catch(e) {
          console.log('Error resolving webpackConfig', e)
          throw e
        }
      } else {
        log('No config path found relative to', file, '; using {}')
        webpackConfig = {}
      }

      if (webpackConfig && webpackConfig.default) {
        log('Using ES6 module "default" key instead of module.exports.')
        webpackConfig = webpackConfig.default
      }

  } else {
    webpackConfig = configPath
    configPath = null
  }

  if (typeof webpackConfig === 'function') {
    webpackConfig = webpackConfig(env, argv)
  }

  if (Array.isArray(webpackConfig)) {
    webpackConfig = webpackConfig.map(cfg => {
      if (typeof cfg === 'function') {
        return cfg(env, argv)
      }

      return cfg
    })

    if (typeof configIndex !== 'undefined' && webpackConfig.length > configIndex) {
      webpackConfig = webpackConfig[configIndex]
    }
    else {
      webpackConfig = find(webpackConfig, function findFirstWithResolve(config) {
        return !!config.resolve
      })
    }
  }

  log('Using config: ', webpackConfig)

  // externals
  if (findExternal(source, webpackConfig.externals, path.dirname(file))) {
    return { found: true, path: null }
  }

  // otherwise, resolve "normally"
  var resolveSync = getResolveSync(configPath, webpackConfig)

  try {
    return { found: true, path: resolveSync(path.dirname(file), source) }
  } catch (err) {
    if (source in coreLibs) {
      return { found: true, path: coreLibs[source] }
    }

    log('Error during module resolution:', err)
    return { found: false }
  }
}

var MAX_CACHE = 10
var _cache = []
function getResolveSync(configPath, webpackConfig) {
  var cacheKey = { configPath: configPath, webpackConfig: webpackConfig }
  var cached = find(_cache, function (entry) { return isEqual(entry.key, cacheKey) })
  if (!cached) {
    cached = {
      key: cacheKey,
      value: createResolveSync(configPath, webpackConfig),
    }
    // put in front and pop last item
    if (_cache.unshift(cached) > MAX_CACHE) {
      _cache.pop()
    }
  }
  return cached.value
}

function createResolveSync(configPath, webpackConfig) {
  var webpackRequire
    , basedir = null

  if (typeof configPath === 'string') {
    basedir = path.dirname(configPath)
  }

  try {
    var webpackFilename = resolve.sync('webpack', { basedir, preserveSymlinks: false })
    var webpackResolveOpts = { basedir: path.dirname(webpackFilename), preserveSymlinks: false }

    webpackRequire = function (id) {
      return require(resolve.sync(id, webpackResolveOpts))
    }
  } catch (e) {
    // Something has gone wrong (or we're in a test). Use our own bundled
    // enhanced-resolve.
    log('Using bundled enhanced-resolve.')
    webpackRequire = require
  }

  var enhancedResolvePackage = webpackRequire('enhanced-resolve/package.json')
  var enhancedResolveVersion = enhancedResolvePackage.version
  log('enhanced-resolve version:', enhancedResolveVersion)

  var resolveConfig = webpackConfig.resolve || {}

  if (semver.major(enhancedResolveVersion) >= 2) {
    return createWebpack2ResolveSync(webpackRequire, resolveConfig)
  }

  return createWebpack1ResolveSync(webpackRequire, resolveConfig, webpackConfig.plugins)
}

function createWebpack2ResolveSync(webpackRequire, resolveConfig) {
  var EnhancedResolve = webpackRequire('enhanced-resolve')

  return EnhancedResolve.create.sync(Object.assign({}, webpack2DefaultResolveConfig, resolveConfig))
}

/**
 * webpack 2 defaults:
 * https://github.com/webpack/webpack/blob/v2.1.0-beta.20/lib/WebpackOptionsDefaulter.js#L72-L87
 * @type {Object}
 */
var webpack2DefaultResolveConfig = {
  unsafeCache: true, // Probably a no-op, since how can we cache anything at all here?
  modules: ['node_modules'],
  extensions: ['.js', '.json'],
  aliasFields: ['browser'],
  mainFields: ['browser', 'module', 'main'],
}

// adapted from tests &
// https://github.com/webpack/webpack/blob/v1.13.0/lib/WebpackOptionsApply.js#L322
function createWebpack1ResolveSync(webpackRequire, resolveConfig, plugins) {
  var Resolver = webpackRequire('enhanced-resolve/lib/Resolver')
  var SyncNodeJsInputFileSystem = webpackRequire('enhanced-resolve/lib/SyncNodeJsInputFileSystem')

  var ModuleAliasPlugin = webpackRequire('enhanced-resolve/lib/ModuleAliasPlugin')
  var ModulesInDirectoriesPlugin =
    webpackRequire('enhanced-resolve/lib/ModulesInDirectoriesPlugin')
  var ModulesInRootPlugin = webpackRequire('enhanced-resolve/lib/ModulesInRootPlugin')
  var ModuleAsFilePlugin = webpackRequire('enhanced-resolve/lib/ModuleAsFilePlugin')
  var ModuleAsDirectoryPlugin = webpackRequire('enhanced-resolve/lib/ModuleAsDirectoryPlugin')
  var DirectoryDescriptionFilePlugin =
    webpackRequire('enhanced-resolve/lib/DirectoryDescriptionFilePlugin')
  var DirectoryDefaultFilePlugin =
    webpackRequire('enhanced-resolve/lib/DirectoryDefaultFilePlugin')
  var FileAppendPlugin = webpackRequire('enhanced-resolve/lib/FileAppendPlugin')
  var ResultSymlinkPlugin = webpackRequire('enhanced-resolve/lib/ResultSymlinkPlugin')
  var DirectoryDescriptionFileFieldAliasPlugin =
    webpackRequire('enhanced-resolve/lib/DirectoryDescriptionFileFieldAliasPlugin')

  var resolver = new Resolver(new SyncNodeJsInputFileSystem())

  resolver.apply(
    resolveConfig.packageAlias
      ? new DirectoryDescriptionFileFieldAliasPlugin('package.json', resolveConfig.packageAlias)
      : function() {},
    new ModuleAliasPlugin(resolveConfig.alias || {}),
    makeRootPlugin(ModulesInRootPlugin, 'module', resolveConfig.root),
    new ModulesInDirectoriesPlugin(
      'module',
      resolveConfig.modulesDirectories || resolveConfig.modules || ['web_modules', 'node_modules']
    ),
    makeRootPlugin(ModulesInRootPlugin, 'module', resolveConfig.fallback),
    new ModuleAsFilePlugin('module'),
    new ModuleAsDirectoryPlugin('module'),
    new DirectoryDescriptionFilePlugin(
      'package.json',
      ['module', 'jsnext:main'].concat(resolveConfig.packageMains || webpack1DefaultMains)
    ),
    new DirectoryDefaultFilePlugin(['index']),
    new FileAppendPlugin(resolveConfig.extensions || ['', '.webpack.js', '.web.js', '.js']),
    new ResultSymlinkPlugin()
  )


  var resolvePlugins = []

  // support webpack.ResolverPlugin
  if (plugins) {
    plugins.forEach(function (plugin) {
      if (
        plugin.constructor &&
        plugin.constructor.name === 'ResolverPlugin' &&
        Array.isArray(plugin.plugins)
      ) {
        resolvePlugins.push.apply(resolvePlugins, plugin.plugins)
      }
    })
  }

  resolver.apply.apply(resolver, resolvePlugins)

  return function() {
    return resolver.resolveSync.apply(resolver, arguments)
  }
}

/* eslint-disable */
// from https://github.com/webpack/webpack/blob/v1.13.0/lib/WebpackOptionsApply.js#L365
function makeRootPlugin(ModulesInRootPlugin, name, root) {
  if(typeof root === "string")
    return new ModulesInRootPlugin(name, root);
  else if(Array.isArray(root)) {
    return function() {
      root.forEach(function(root) {
        this.apply(new ModulesInRootPlugin(name, root));
      }, this);
    };
  }
  return function() {};
}
/* eslint-enable */

function findExternal(source, externals, context) {
  if (!externals) return false

  // string match
  if (typeof externals === 'string') return (source === externals)

  // array: recurse
  if (externals instanceof Array) {
    return externals.some(function (e) { return findExternal(source, e, context) })
  }

  if (externals instanceof RegExp) {
    return externals.test(source)
  }

  if (typeof externals === 'function') {
    var functionExternalFound = false
    externals.call(null, context, source, function(err, value) {
      if (err) {
        functionExternalFound = false
      } else {
        functionExternalFound = findExternal(source, value, context)
      }
    })
    return functionExternalFound
  }

  // else, vanilla object
  for (var key in externals) {
    if (!has(externals, key)) continue
    if (source === key) return true
  }
  return false
}

/**
 * webpack 1 defaults: http://webpack.github.io/docs/configuration.html#resolve-packagemains
 * @type {Array}
 */
var webpack1DefaultMains = [
  'webpack', 'browser', 'web', 'browserify', ['jam', 'main'], 'main',
]

function findConfigPath(configPath, packageDir) {
  var extensions = Object.keys(interpret.extensions).sort(function(a, b) {
    return a === '.js' ? -1 : b === '.js' ? 1 : a.length - b.length
  })
    , extension


  if (configPath) {
    // extensions is not reused below, so safe to mutate it here.
    extensions.reverse()
    extensions.forEach(function (maybeExtension) {
      if (extension) {
        return
      }

      if (configPath.substr(-maybeExtension.length) === maybeExtension) {
        extension = maybeExtension
      }
    })

    // see if we've got an absolute path
    if (!path.isAbsolute(configPath)) {
      configPath = path.join(packageDir, configPath)
    }
  } else {
    extensions.forEach(function (maybeExtension) {
      if (extension) {
        return
      }

      var maybePath = path.resolve(
        path.join(packageDir, 'webpack.config' + maybeExtension)
      )
      if (fs.existsSync(maybePath)) {
        configPath = maybePath
        extension = maybeExtension
      }
    })
  }

  registerCompiler(interpret.extensions[extension])
  return configPath
}

function registerCompiler(moduleDescriptor) {
  if(moduleDescriptor) {
    if(typeof moduleDescriptor === 'string') {
      require(moduleDescriptor)
    } else if(!Array.isArray(moduleDescriptor)) {
      moduleDescriptor.register(require(moduleDescriptor.module))
    } else {
      for(var i = 0; i < moduleDescriptor.length; i++) {
        try {
          registerCompiler(moduleDescriptor[i])
          break
        } catch(e) {
          log('Failed to register compiler for moduleDescriptor[]:', i, moduleDescriptor)
        }
      }
    }
  }
}

1	var findRoot = require('find-root')	1✔
2	, path = require('path')	1✔
3	, get = require('lodash/get')	1✔
4	, isEqual = require('lodash/isEqual')	1✔
5	, find = require('array-find')	1✔
6	, interpret = require('interpret')	1✔
7	, fs = require('fs')	1✔
8	, coreLibs = require('node-libs-browser')	1✔
9	, resolve = require('resolve')	1✔
10	, semver = require('semver')	1✔
11	, has = require('has')	1✔
12
13	var log = require('debug')('eslint-plugin-import:resolver:webpack')	1✔
14
15	exports.interfaceVersion = 2	1✔
16
17	/**
18	* Find the full path to 'source', given 'file' as a full reference path.
19	*
20	* resolveImport('./foo', '/Users/ben/bar.js') => '/Users/ben/foo.js'
21	* @param {string} source - the module to resolve; i.e './some-module'
22	* @param {string} file - the importing file's full path; i.e. '/usr/local/bin/file.js'
23	* TODO: take options as a third param, with webpack config file name
24	* @return {string?} the resolved path to source, undefined if not resolved, or null
25	* if resolved to a non-FS resource (i.e. script tag at page load)
26	*/
27	exports.resolve = function (source, file, settings) {	1✔
28
29	// strip loaders
30	var finalBang = source.lastIndexOf('!')	34✔
31	if (finalBang >= 0) {	34✔
32	source = source.slice(finalBang + 1)	1✔
33	}
34
35	// strip resource query
36	var finalQuestionMark = source.lastIndexOf('?')	34✔
37	if (finalQuestionMark >= 0) {	34!
38	source = source.slice(0, finalQuestionMark)	×
39	}
40
41	var webpackConfig
42
43	var configPath = get(settings, 'config')	34✔
44	, configIndex = get(settings, 'config-index')	34✔
45	, env = get(settings, 'env')	34✔
46	, argv = get(settings, 'argv', {})	34✔
47	, packageDir
48
49	log('Config path from settings:', configPath)	34✔
50
51	// see if we've got a config path, a config object, an array of config objects or a config function
52	if (!configPath \|\| typeof configPath === 'string') {	34✔
53
54	// see if we've got an absolute path
55	if (!configPath \|\| !path.isAbsolute(configPath)) {	31!
56	// if not, find ancestral package.json and use its directory as base for the path
57	packageDir = findRoot(path.resolve(file))	31✔
58	if (!packageDir) throw new Error('package not found above ' + file)	31!
59	}
60
61	configPath = findConfigPath(configPath, packageDir)	31✔
62
63	log('Config path resolved to:', configPath)	31✔
64	if (configPath) {	31!
65	try {	31✔
66	webpackConfig = require(configPath)	31✔
67	} catch(e) {
68	console.log('Error resolving webpackConfig', e)	×
69	throw e	×
70	}
71	} else {
72	log('No config path found relative to', file, '; using {}')	×
73	webpackConfig = {}	×
74	}
75
76	if (webpackConfig && webpackConfig.default) {	31!
77	log('Using ES6 module "default" key instead of module.exports.')	×
78	webpackConfig = webpackConfig.default	×
79	}
80
81	} else {
82	webpackConfig = configPath	3✔
83	configPath = null	3✔
84	}
85
86	if (typeof webpackConfig === 'function') {	34!
87	webpackConfig = webpackConfig(env, argv)	×
88	}
89
90	if (Array.isArray(webpackConfig)) {	34!
91	webpackConfig = webpackConfig.map(cfg => {	×
92	if (typeof cfg === 'function') {	×
93	return cfg(env, argv)	×
94	}
95
96	return cfg	×
97	})
98
99	if (typeof configIndex !== 'undefined' && webpackConfig.length > configIndex) {	×
100	webpackConfig = webpackConfig[configIndex]	×
101	}
102	else {
103	webpackConfig = find(webpackConfig, function findFirstWithResolve(config) {	×
104	return !!config.resolve	×
105	})
106	}
107	}
108
109	log('Using config: ', webpackConfig)	34✔
110
111	// externals
112	if (findExternal(source, webpackConfig.externals, path.dirname(file))) {	34!
113	return { found: true, path: null }	×
114	}
115
116	// otherwise, resolve "normally"
117	var resolveSync = getResolveSync(configPath, webpackConfig)	34✔
118
119	try {	34✔
120	return { found: true, path: resolveSync(path.dirname(file), source) }	34✔
121	} catch (err) {
122	if (source in coreLibs) {	20✔
123	return { found: true, path: coreLibs[source] }	2✔
124	}
125
126	log('Error during module resolution:', err)	18✔
127	return { found: false }	18✔
128	}
129	}
130
131	var MAX_CACHE = 10	1✔
132	var _cache = []	1✔
133	function getResolveSync(configPath, webpackConfig) {
134	var cacheKey = { configPath: configPath, webpackConfig: webpackConfig }	34✔
135	var cached = find(_cache, function (entry) { return isEqual(entry.key, cacheKey) })	34✔
136	if (!cached) {	34✔
137	cached = {	3✔
138	key: cacheKey,
139	value: createResolveSync(configPath, webpackConfig),
140	}
141	// put in front and pop last item
142	if (_cache.unshift(cached) > MAX_CACHE) {	3!
143	_cache.pop()	×
144	}
145	}
146	return cached.value	34✔
147	}
148
149	function createResolveSync(configPath, webpackConfig) {
150	var webpackRequire
151	, basedir = null	3✔
152
153	if (typeof configPath === 'string') {	3✔
154	basedir = path.dirname(configPath)	2✔
155	}
156
157	try {	3✔
158	var webpackFilename = resolve.sync('webpack', { basedir, preserveSymlinks: false })	3✔
159	var webpackResolveOpts = { basedir: path.dirname(webpackFilename), preserveSymlinks: false }	×
160
161	webpackRequire = function (id) {	×
162	return require(resolve.sync(id, webpackResolveOpts))	×
163	}
164	} catch (e) {
165	// Something has gone wrong (or we're in a test). Use our own bundled
166	// enhanced-resolve.
167	log('Using bundled enhanced-resolve.')	3✔
168	webpackRequire = require	3✔
169	}
170
171	var enhancedResolvePackage = webpackRequire('enhanced-resolve/package.json')	3✔
172	var enhancedResolveVersion = enhancedResolvePackage.version	3✔
173	log('enhanced-resolve version:', enhancedResolveVersion)	3✔
174
175	var resolveConfig = webpackConfig.resolve \|\| {}	3✔
176
177	if (semver.major(enhancedResolveVersion) >= 2) {	3!
178	return createWebpack2ResolveSync(webpackRequire, resolveConfig)	×
179	}
180
181	return createWebpack1ResolveSync(webpackRequire, resolveConfig, webpackConfig.plugins)	3✔
182	}
183
184	function createWebpack2ResolveSync(webpackRequire, resolveConfig) {
185	var EnhancedResolve = webpackRequire('enhanced-resolve')	×
186
187	return EnhancedResolve.create.sync(Object.assign({}, webpack2DefaultResolveConfig, resolveConfig))	×
188	}
189
190	/**
191	* webpack 2 defaults:
192	* https://github.com/webpack/webpack/blob/v2.1.0-beta.20/lib/WebpackOptionsDefaulter.js#L72-L87
193	* @type {Object}
194	*/
195	var webpack2DefaultResolveConfig = {	1✔
196	unsafeCache: true, // Probably a no-op, since how can we cache anything at all here?
197	modules: ['node_modules'],
198	extensions: ['.js', '.json'],
199	aliasFields: ['browser'],
200	mainFields: ['browser', 'module', 'main'],
201	}
202
203	// adapted from tests &
204	// https://github.com/webpack/webpack/blob/v1.13.0/lib/WebpackOptionsApply.js#L322
205	function createWebpack1ResolveSync(webpackRequire, resolveConfig, plugins) {
206	var Resolver = webpackRequire('enhanced-resolve/lib/Resolver')	3✔
207	var SyncNodeJsInputFileSystem = webpackRequire('enhanced-resolve/lib/SyncNodeJsInputFileSystem')	3✔
208
209	var ModuleAliasPlugin = webpackRequire('enhanced-resolve/lib/ModuleAliasPlugin')	3✔
210	var ModulesInDirectoriesPlugin =
211	webpackRequire('enhanced-resolve/lib/ModulesInDirectoriesPlugin')	3✔
212	var ModulesInRootPlugin = webpackRequire('enhanced-resolve/lib/ModulesInRootPlugin')	3✔
213	var ModuleAsFilePlugin = webpackRequire('enhanced-resolve/lib/ModuleAsFilePlugin')	3✔
214	var ModuleAsDirectoryPlugin = webpackRequire('enhanced-resolve/lib/ModuleAsDirectoryPlugin')	3✔
215	var DirectoryDescriptionFilePlugin =
216	webpackRequire('enhanced-resolve/lib/DirectoryDescriptionFilePlugin')	3✔
217	var DirectoryDefaultFilePlugin =
218	webpackRequire('enhanced-resolve/lib/DirectoryDefaultFilePlugin')	3✔
219	var FileAppendPlugin = webpackRequire('enhanced-resolve/lib/FileAppendPlugin')	3✔
220	var ResultSymlinkPlugin = webpackRequire('enhanced-resolve/lib/ResultSymlinkPlugin')	3✔
221	var DirectoryDescriptionFileFieldAliasPlugin =
222	webpackRequire('enhanced-resolve/lib/DirectoryDescriptionFileFieldAliasPlugin')	3✔
223
224	var resolver = new Resolver(new SyncNodeJsInputFileSystem())	3✔
225
226	resolver.apply(	3✔
227	resolveConfig.packageAlias	3!
228	? new DirectoryDescriptionFileFieldAliasPlugin('package.json', resolveConfig.packageAlias)
229	: function() {},
230	new ModuleAliasPlugin(resolveConfig.alias \|\| {}),	6✔
231	makeRootPlugin(ModulesInRootPlugin, 'module', resolveConfig.root),
232	new ModulesInDirectoriesPlugin(
233	'module',
234	resolveConfig.modulesDirectories \|\| resolveConfig.modules \|\| ['web_modules', 'node_modules']	8✔
235	),
236	makeRootPlugin(ModulesInRootPlugin, 'module', resolveConfig.fallback),
237	new ModuleAsFilePlugin('module'),
238	new ModuleAsDirectoryPlugin('module'),
239	new DirectoryDescriptionFilePlugin(
240	'package.json',
241	['module', 'jsnext:main'].concat(resolveConfig.packageMains \|\| webpack1DefaultMains)	6✔
242	),
243	new DirectoryDefaultFilePlugin(['index']),
244	new FileAppendPlugin(resolveConfig.extensions \|\| ['', '.webpack.js', '.web.js', '.js']),	5✔
245	new ResultSymlinkPlugin()
246	)
247
248
249	var resolvePlugins = []	3✔
250
251	// support webpack.ResolverPlugin
252	if (plugins) {	3!
253	plugins.forEach(function (plugin) {	×
254	if (	×
255	plugin.constructor &&	×
256	plugin.constructor.name === 'ResolverPlugin' &&
257	Array.isArray(plugin.plugins)
258	) {
259	resolvePlugins.push.apply(resolvePlugins, plugin.plugins)	×
260	}
261	})
262	}
263
264	resolver.apply.apply(resolver, resolvePlugins)	3✔
265
266	return function() {	3✔
267	return resolver.resolveSync.apply(resolver, arguments)	34✔
268	}
269	}
270
271	/* eslint-disable */
272	// from https://github.com/webpack/webpack/blob/v1.13.0/lib/WebpackOptionsApply.js#L365
273	function makeRootPlugin(ModulesInRootPlugin, name, root) {
274	if(typeof root === "string")	6✔
275	return new ModulesInRootPlugin(name, root);	1✔
276	else if(Array.isArray(root)) {	5!
277	return function() {	×
278	root.forEach(function(root) {	×
279	this.apply(new ModulesInRootPlugin(name, root));	×
280	}, this);
281	};
282	}
283	return function() {};	5✔
284	}
285	/* eslint-enable */
286
287	function findExternal(source, externals, context) {
288	if (!externals) return false	34!
289
290	// string match
291	if (typeof externals === 'string') return (source === externals)	×
292
293	// array: recurse
294	if (externals instanceof Array) {	×
295	return externals.some(function (e) { return findExternal(source, e, context) })	×
296	}
297
298	if (externals instanceof RegExp) {	×
299	return externals.test(source)	×
300	}
301
302	if (typeof externals === 'function') {	×
303	var functionExternalFound = false	×
304	externals.call(null, context, source, function(err, value) {	×
305	if (err) {	×
306	functionExternalFound = false	×
307	} else {
308	functionExternalFound = findExternal(source, value, context)	×
309	}
310	})
311	return functionExternalFound	×
312	}
313
314	// else, vanilla object
315	for (var key in externals) {	×
316	if (!has(externals, key)) continue	×
317	if (source === key) return true	×
318	}
319	return false	×
320	}
321
322	/**
323	* webpack 1 defaults: http://webpack.github.io/docs/configuration.html#resolve-packagemains
324	* @type {Array}
325	*/
326	var webpack1DefaultMains = [	1✔
327	'webpack', 'browser', 'web', 'browserify', ['jam', 'main'], 'main',
328	]
329
330	function findConfigPath(configPath, packageDir) {
331	var extensions = Object.keys(interpret.extensions).sort(function(a, b) {	31✔
332	return a === '.js' ? -1 : b === '.js' ? 1 : a.length - b.length	2,387✔
333	})
334	, extension
335
336
337	if (configPath) {	31✔
338	// extensions is not reused below, so safe to mutate it here.
339	extensions.reverse()	1✔
340	extensions.forEach(function (maybeExtension) {	1✔
341	if (extension) {	29!
342	return	×
343	}
344
345	if (configPath.substr(-maybeExtension.length) === maybeExtension) {	29✔
346	extension = maybeExtension	1✔
347	}
348	})
349
350	// see if we've got an absolute path
351	if (!path.isAbsolute(configPath)) {	1!
352	configPath = path.join(packageDir, configPath)	1✔
353	}
354	} else {
355	extensions.forEach(function (maybeExtension) {	30✔
356	if (extension) {	870✔
357	return	840✔
358	}
359
360	var maybePath = path.resolve(	30✔
361	path.join(packageDir, 'webpack.config' + maybeExtension)
362	)
363	if (fs.existsSync(maybePath)) {	30!
364	configPath = maybePath	30✔
365	extension = maybeExtension	30✔
366	}
367	})
368	}
369
370	registerCompiler(interpret.extensions[extension])	31✔
371	return configPath	31✔
372	}
373
374	function registerCompiler(moduleDescriptor) {
375	if(moduleDescriptor) {	31!
376	if(typeof moduleDescriptor === 'string') {	×
377	require(moduleDescriptor)	×
378	} else if(!Array.isArray(moduleDescriptor)) {	×
379	moduleDescriptor.register(require(moduleDescriptor.module))	×
380	} else {
381	for(var i = 0; i < moduleDescriptor.length; i++) {	×
382	try {	×
383	registerCompiler(moduleDescriptor[i])	×
384	break	×
385	} catch(e) {
386	log('Failed to register compiler for moduleDescriptor[]:', i, moduleDescriptor)	×
387	}
388	}
389	}
390	}
391	}

benmosher / eslint-plugin-import / 24081819

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