fix(package): Update cosmiconfig to version 5.0.2 (#444)

* fix(package): update cosmiconfig to version 5.0.2
* chore(package): update lockfile
* fix: Migrate to cosmiconfig v5

Closes #441

Author: sudo-suhas

package.json

@@ -28,7 +28,7 @@
     "app-root-path": "^2.0.1",
     "chalk": "^2.3.1",
     "commander": "^2.14.1",
-    "cosmiconfig": "^4.0.0",
+    "cosmiconfig": "^5.0.2",
     "debug": "^3.1.0",
     "dedent": "^0.7.0",
     "execa": "^0.9.0",

src/index.js

@@ -18,20 +18,28 @@ if (process.stdout.isTTY) {
 
 const errConfigNotFound = new Error('Config could not be found')
 
+function loadConfig(configPath) {
+  const explorer = cosmiconfig('lint-staged', {
+    searchPlaces: [
+      'package.json',
+      `.lintstagedrc`,
+      `.lintstagedrc.json`,
+      `.lintstagedrc.yaml`,
+      `.lintstagedrc.yml`,
+      `lint-staged.config.js`
+    ]
+  })
+
+  return configPath ? explorer.load(configPath) : explorer.search()
+}
+
 /**
  * Root lint-staged function that is called from .bin
  */
 module.exports = function lintStaged(logger = console, configPath, debugMode) {
   debug('Loading config using `cosmiconfig`')
 
-  const explorer = cosmiconfig('lint-staged', {
-    configPath,
-    rc: '.lintstagedrc',
-    rcExtensions: true
-  })
-
-  return explorer
-    .load()
+  return loadConfig(configPath)
     .then(result => {
       if (result == null) throw errConfigNotFound
 

test/__mocks__/cosmiconfig.js

@@ -1,12 +1,7 @@
 const actual = require.requireActual('cosmiconfig')
-const mock = jest.genMockFromModule('cosmiconfig')
 
 function cosmiconfig(name, options) {
-  if (options.configPath) {
-    return actual(name, options)
-  }
-
-  return mock(name, options)
+  return actual(name, options)
 }
 
 module.exports = jest.fn(cosmiconfig)

test/index.spec.js

@@ -10,7 +10,7 @@ const replaceSerializer = (from, to) => ({
 
 const mockCosmiconfigWith = result => {
   cosmiconfig.mockImplementationOnce(() => ({
-    load: () => Promise.resolve(result)
+    search: () => Promise.resolve(result)
   }))
 }
 

yarn.lock

@@ -1149,14 +1149,13 @@ [email protected], core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
 
-cosmiconfig@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/cosmiconfig/-/cosmiconfig-4.0.0.tgz#760391549580bbd2df1e562bc177b13c290972dc"
+cosmiconfig@^5.0.2:
+  version "5.0.2"
+  resolved "https://registry.yarnpkg.com/cosmiconfig/-/cosmiconfig-5.0.2.tgz#03f8965ae4675317a0015b4a5a48a470d9baeada"
   dependencies:
     is-directory "^0.3.1"
     js-yaml "^3.9.0"
     parse-json "^4.0.0"
-    require-from-string "^2.0.1"
 
 cross-spawn@^5.0.1, cross-spawn@^5.1.0:
   version "5.1.0"
@@ -4049,10 +4048,6 @@ require-directory@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/require-directory/-/require-directory-2.1.1.tgz#8c64ad5fd30dab1c976e2344ffe7f792a6a6df42"
 
-require-from-string@^2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/require-from-string/-/require-from-string-2.0.1.tgz#c545233e9d7da6616e9d59adfb39fc9f588676ff"
-
 require-main-filename@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/require-main-filename/-/require-main-filename-1.0.1.tgz#97f717b69d48784f5f526a6c5aa8ffdda055a4d1"