Adding more Babel configuration files.

.all-contributorsrc

@@ -18,6 +18,18 @@
         "test",
         "infra"
       ]
+    },
+    {
+      "login": "stephenjang",
+      "name": "Jiyoon Jang",
+      "avatar_url": "https://avatars2.githubusercontent.com/u/26544?v=4",
+      "profile": "http://jiyoonjang.com",
+      "contributions": [
+        "code",
+        "test"
+      ]
     }
-  ]
+  ],
+  "repoType": "github",
+  "commitConvention": "none"
 }

.travis.yml

@@ -3,7 +3,6 @@ sudo: false
 node_js:
   - '12'
   - '10'
-  - '8'
 
 cache:
   yarn: true

CODE_OF_CONDUCT.md

@@ -8,19 +8,19 @@ In the interest of fostering an open and welcoming environment, we as contributo
 
 Examples of behavior that contributes to creating a positive environment include:
 
-* Using welcoming and inclusive language
-* Being respectful of differing viewpoints and experiences
-* Gracefully accepting constructive criticism
-* Focusing on what is best for the community
-* Showing empathy towards other community members
+- Using welcoming and inclusive language
+- Being respectful of differing viewpoints and experiences
+- Gracefully accepting constructive criticism
+- Focusing on what is best for the community
+- Showing empathy towards other community members
 
 Examples of unacceptable behavior by participants include:
 
-* The use of sexualized language or imagery and unwelcome sexual attention or advances
-* Trolling, insulting/derogatory comments, and personal or political attacks
-* Public or private harassment
-* Publishing others' private information, such as a physical or electronic address, without explicit permission
-* Other conduct which could reasonably be considered inappropriate in a professional setting
+- The use of sexualized language or imagery and unwelcome sexual attention or advances
+- Trolling, insulting/derogatory comments, and personal or political attacks
+- Public or private harassment
+- Publishing others' private information, such as a physical or electronic address, without explicit permission
+- Other conduct which could reasonably be considered inappropriate in a professional setting
 
 ## Our Responsibilities
 

fixture/babelconfigjs/babel.config.js

@@ -0,0 +1,4 @@
+module.exports = {
+  presets: ['es2015', 'react'],
+  plugins: ['transform-class-properties'],
+}

index.js

@@ -4,8 +4,16 @@ const fs = require('fs')
 const findUp = require('find-up')
 const json5 = require('json5')
 
-const BABELRC = '.babelrc'
-const BABELRC_JS = '.babelrc.js'
+// https://babeljs.io/docs/en/config-files#supported-file-extensions
+const BABELRC = ['.babelrc', '.babelrc.json', 'babel.config.json']
+const BABELRC_JS = [
+  '.babelrc.js',
+  '.babelrc.cjs',
+  '.babelrc.mjs',
+  'babel.config.js',
+  'babel.config.cjs',
+  'babel.config.mjs',
+]
 const PKG = 'package.json'
 
 const readConfigJs = fp => {
@@ -24,11 +32,13 @@ const readConfigJs = fp => {
 const loadConfig = fp => {
   const file = path.basename(fp)
   const obj = fs.readFileSync(fp, 'utf-8')
+  const matchBabelRc = /^(?<babelrc>\.babelrc(?:.json|$)|babel\.config\.json)$/giu
+  const matchBabelRcJs = /^(?<babelrc>\.babelrc|babel\.config)[.](?:js|cjs|mjs)$/giu
 
   switch (file) {
-    case BABELRC_JS:
+    case matchBabelRcJs.test(file) ? file : null:
       return readConfigJs(fp)
-    case BABELRC:
+    case matchBabelRc.test(file) ? file : null:
       return json5.parse(obj)
     case PKG:
       return JSON.parse(obj).babel
@@ -38,7 +48,7 @@ const loadConfig = fp => {
 }
 
 module.exports = opts => {
-  return findUp([BABELRC, BABELRC_JS, PKG], opts).then(fp => {
+  return findUp([...BABELRC, ...BABELRC_JS, PKG], opts).then(fp => {
     if (!fp) {
       return {}
     }
@@ -50,7 +60,7 @@ module.exports = opts => {
 }
 
 module.exports.sync = opts => {
-  const fp = findUp.sync([BABELRC, BABELRC_JS, PKG], opts)
+  const fp = findUp.sync([...BABELRC, ...BABELRC_JS, PKG], opts)
 
   if (!fp) {
     return {}

package.json

@@ -1,16 +1,16 @@
 {
   "name": "read-babelrc-up",
   "version": "1.0.0",
-  "description": "Read the closet .babelrc file",
+  "description": "Read the closet Babel configuration file",
   "license": "MIT",
   "repository": "akameco/read-babelrc-up",
   "author": {
     "name": "akameco",
     "email": "akameco.t@gmail.com",
-    "url": "akameco.github.io"
+    "url": "https://akameco.github.io"
   },
   "engines": {
-    "node": ">=8"
+    "node": ">=10"
   },
   "scripts": {
     "add-contributor": "all-contributors add",
@@ -36,6 +36,7 @@
     "babel",
     "babelrc",
     ".babelrc",
+    "babel.config.js",
     "json",
     "file",
     "parse",
@@ -46,16 +47,16 @@
   ],
   "dependencies": {
     "find-up": "^4.1.0",
-    "json5": "^2.1.0"
+    "json5": "^2.1.1"
   },
   "devDependencies": {
-    "all-contributors-cli": "^6.8.2",
+    "all-contributors-cli": "^6.13.0",
     "ava": "^2.3.0",
-    "eslint": "^6.3.0",
-    "eslint-config-precure": "^5.0.2",
-    "husky": "^3.0.5",
-    "lint-staged": "^9.2.5",
-    "prettier": "^1.18.2"
+    "eslint": "^6.8.0",
+    "eslint-config-precure": "^5.2.0",
+    "husky": "^4.2.3",
+    "lint-staged": "^10.0.7",
+    "prettier": "^1.19.1"
   },
   "husky": {
     "hooks": {

readme.md

@@ -4,7 +4,7 @@
 [![styled with prettier](https://img.shields.io/badge/styled_with-prettier-ff69b4.svg)](https://github.com/prettier/prettier)
 [![All Contributors](https://img.shields.io/badge/all_contributors-1-orange.svg?style=flat-square)](#contributors)
 
-> Read the closet .babelrc or .babelrc.js or babel in package.json.
+> Read the closet [Babel configuration file](https://babeljs.io/docs/en/config-files) or `babel` in package.json.
 
 ## Install
 
@@ -51,16 +51,24 @@ Directory to start looking for .babelrc file.
 
 ## Related
 
-* [find-up](https://github.com/sindresorhus/find-up) - Find a file by walking up parent directories
+- [find-up](https://github.com/sindresorhus/find-up) - Find a file by walking up parent directories
 
 ## Contributors
 
 Thanks goes to these wonderful people ([emoji key](https://github.com/kentcdodds/all-contributors#emoji-key)):
 
 <!-- ALL-CONTRIBUTORS-LIST:START - Do not remove or modify this section -->
-<!-- prettier-ignore -->
-<table><tr><td align="center"><a href="http://akameco.github.io"><img src="https://avatars2.githubusercontent.com/u/4002137?v=4" width="100px;" alt="akameco"/><br /><sub><b>akameco</b></sub></a><br /><a href="https://github.com/akameco/read-babelrc-up/commits?author=akameco" title="Code">💻</a> <a href="https://github.com/akameco/read-babelrc-up/commits?author=akameco" title="Documentation">📖</a> <a href="https://github.com/akameco/read-babelrc-up/commits?author=akameco" title="Tests">⚠️</a> <a href="#infra-akameco" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a></td></tr></table>
-
+<!-- prettier-ignore-start -->
+<!-- markdownlint-disable -->
+<table>
+  <tr>
+    <td align="center"><a href="http://akameco.github.io"><img src="https://avatars2.githubusercontent.com/u/4002137?v=4" width="100px;" alt=""/><br /><sub><b>akameco</b></sub></a><br /><a href="https://github.com/akameco/read-babelrc-up/commits?author=akameco" title="Code">💻</a> <a href="https://github.com/akameco/read-babelrc-up/commits?author=akameco" title="Documentation">📖</a> <a href="https://github.com/akameco/read-babelrc-up/commits?author=akameco" title="Tests">⚠️</a> <a href="#infra-akameco" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a></td>
+    <td align="center"><a href="http://jiyoonjang.com"><img src="https://avatars2.githubusercontent.com/u/26544?v=4" width="100px;" alt=""/><br /><sub><b>Jiyoon Jang</b></sub></a><br /><a href="https://github.com/akameco/read-babelrc-up/commits?author=stephenjang" title="Code">💻</a> <a href="https://github.com/akameco/read-babelrc-up/commits?author=stephenjang" title="Tests">⚠️</a></td>
+  </tr>
+</table>
+
+<!-- markdownlint-enable -->
+<!-- prettier-ignore-end -->
 <!-- ALL-CONTRIBUTORS-LIST:END -->
 
 This project follows the [all-contributors](https://github.com/kentcdodds/all-contributors) specification. Contributions of any kind welcome!

test.js

@@ -4,8 +4,27 @@ import fn from '.'
 
 const babelrcPath = path.resolve('fixture', 'babelrc', '.babelrc')
 const babelrcJsPath = path.resolve('fixture', 'babelrcjs', '.babelrc.js')
+const babelConfigJsPath = path.resolve(
+  'fixture',
+  'babelconfigjs',
+  'babel.config.js'
+)
 const pkgPath = path.resolve('fixture', 'pkg', 'package.json')
 
+test('parse babel.config.js', async t => {
+  const cwd = path.join('fixture', 'babelconfigjs')
+  const { path: p, babel } = await fn({ cwd })
+  t.is(p, babelConfigJsPath)
+  t.snapshot(babel)
+})
+
+test('parse babel.config.js - sync', t => {
+  const cwd = path.join('fixture', 'babelconfigjs')
+  const { path: p, babel } = fn.sync({ cwd })
+  t.is(p, babelConfigJsPath)
+  t.snapshot(babel)
+})
+
 test('async', async t => {
   const cwd = path.join('fixture', 'babelrc', 'app')
   const { path: p, babel } = await fn({ cwd })

test.js.md

@@ -79,3 +79,31 @@ Generated by [AVA](https://ava.li).
         'react',
       ],
     }
+
+## parse babel.config.js
+
+> Snapshot 1
+
+    {
+      plugins: [
+        'transform-class-properties',
+      ],
+      presets: [
+        'es2015',
+        'react',
+      ],
+    }
+
+## parse babel.config.js - sync
+
+> Snapshot 1
+
+    {
+      plugins: [
+        'transform-class-properties',
+      ],
+      presets: [
+        'es2015',
+        'react',
+      ],
+    }