refactor: replace cosmiconfig with lilconfig

other/docs/author.md

@@ -183,9 +183,9 @@ To specify that your plugin is configurable, you pass a `configName` to
 `createMacro`.
 
 A configuration is created from data combined from two sources: We use
-[`cosmiconfig`][cosmiconfig] to read a `babel-plugin-macros` configuration which
-can be located in any of the following files up the directories from the
-importing file:
+[`lilconfig`][lilconfig] to read a `babel-plugin-macros` configuration which can
+be located in any of the following files up the directories from the importing
+file:
 
 - `.babel-plugin-macrosrc`
 - `.babel-plugin-macrosrc.json`
@@ -210,15 +210,14 @@ module.exports = {
 module.exports = {
  plugins: [
  [
- "macros",
+ 'macros',
  {
- taggedTranslations: { locale: "en_GB" },
+ taggedTranslations: {locale: 'en_GB'},
  },
  ],
  ],
 }
 
-
 // taggedTranslations.macro.js
 const {createMacro} = require('babel-plugin-macros')
 module.exports = createMacro(taggedTranslationsMacro, {
@@ -343,4 +342,4 @@ function myMacro({references, state, babel}) {
 [keyword]: https://docs.npmjs.com/files/package.json#keywords
 [npm-babel-plugin-macros]:
  https://www.npmjs.com/browse/keyword/babel-plugin-macros
-[cosmiconfig]: https://www.npmjs.com/package/cosmiconfig
+[lilconfig]: https://www.npmjs.com/package/lilconfig

other/docs/user.md

@@ -97,9 +97,9 @@ $ yarn upgrade react-scripts
 ### config
 
 There is a feature that allows you to configure your macro. We use
-[`cosmiconfig`][cosmiconfig] to read a `babel-plugin-macros` configuration which
-can be located in any of the following files up the directories from the
-importing file:
+[`lilconfig`][lilconfig] to read a `babel-plugin-macros` configuration which can
+be located in any of the following files up the directories from the importing
+file:
 
 - `.babel-plugin-macrosrc`
 - `.babel-plugin-macrosrc.json`
@@ -123,5 +123,5 @@ module.exports = {
 }
 ```
 
-[cosmiconfig]: https://www.npmjs.com/package/cosmiconfig
+[lilconfig]: https://www.npmjs.com/package/lilconfig
 [styled-components]: https://www.styled-components.com/docs/tooling#babel-macro

package.json

@@ -27,8 +27,9 @@
  "license": "MIT",
  "dependencies": {
  "@babel/runtime": "^7.12.5",
- "cosmiconfig": "^7.0.0",
- "resolve": "^1.19.0"
+ "lilconfig": "^2.0.4",
+ "resolve": "^1.19.0",
+ "yaml": "^1.10.2"
  },
  "devDependencies": {
  "@babel/core": "^7.12.9",

src/__tests__/__snapshots__/index.js.snap

@@ -343,7 +343,7 @@ configured\`stuff\`
 
  ↓ ↓ ↓ ↓ ↓ ↓
 
-Error: this is a cosmiconfig error
+Error: this is a lilconfig error
 
 `;
 

src/__tests__/index.js

@@ -1,20 +1,20 @@
 import path from 'path'
-import {cosmiconfigSync as cosmiconfigSyncMock} from 'cosmiconfig'
+import {lilconfigSync as lilconfigSyncMock} from 'lilconfig'
 import cpy from 'cpy'
 import babel from '@babel/core'
 import pluginTester from 'babel-plugin-tester'
 import plugin from '../'
 
 const projectRoot = path.join(__dirname, '../../')
 
-jest.mock('cosmiconfig', () => {
- const cosmiconfigExports = jest.requireActual('cosmiconfig')
- const actualCosmiconfigSync = cosmiconfigExports.cosmiconfigSync
- function fakeCosmiconfigSync(...args) {
- fakeCosmiconfigSync.explorer = actualCosmiconfigSync(...args)
- return fakeCosmiconfigSync.explorer
+jest.mock('lilconfig', () => {
+ const lilconfigExports = jest.requireActual('lilconfig')
+ const actualLilconfigSync = lilconfigExports.lilconfigSync
+ function fakeLilconfigSync(...args) {
+ fakeLilconfigSync.explorer = actualLilconfigSync(...args)
+ return fakeLilconfigSync.explorer
  }
- return {...cosmiconfigExports, cosmiconfigSync: fakeCosmiconfigSync}
+ return {...lilconfigExports, lilconfigSync: fakeLilconfigSync}
 })
 
 beforeAll(() => {
@@ -296,9 +296,9 @@ pluginTester({
  fixture: path.join(__dirname, 'fixtures/config/code.js'),
  setup() {
  jest
- .spyOn(cosmiconfigSyncMock.explorer, 'search')
+ .spyOn(lilconfigSyncMock.explorer, 'search')
  .mockImplementationOnce(() => {
- throw new Error('this is a cosmiconfig error')
+ throw new Error('this is a lilconfig error')
  })
  jest.spyOn(console, 'error').mockImplementationOnce(() => {})
  return function teardown() {
@@ -319,7 +319,7 @@ pluginTester({
  fixture: path.join(__dirname, 'fixtures/config/code.js'),
  setup() {
  jest
- .spyOn(cosmiconfigSyncMock.explorer, 'search')
+ .spyOn(lilconfigSyncMock.explorer, 'search')
  .mockImplementationOnce(() => {
  return null
  })

src/index.js

@@ -2,6 +2,8 @@ const p = require('path')
 const resolve = require('resolve')
 // const printAST = require('ast-pretty-print')
 
+const {lilconfigSync} = require('lilconfig')
+
 const macrosRegex = /[./]macro(\.c?js)?$/
 const testMacrosRegex = v => macrosRegex.test(v)
 
@@ -19,12 +21,17 @@ class MacroError extends Error {
  }
 }
 
+function loadYaml(filepath, content) {
+ // Lazy load yaml since it is a relatively large bundle
+ const yaml = require('yaml')
+ return yaml.parse(content)
+}
+
 let _configExplorer = null
 function getConfigExplorer() {
  return (_configExplorer =
  _configExplorer ||
- // Lazy load cosmiconfig since it is a relatively large bundle
- require('cosmiconfig').cosmiconfigSync('babel-plugin-macros', {
+ lilconfigSync('babel-plugin-macros', {
  searchPlaces: [
  'package.json',
  '.babel-plugin-macrosrc',
@@ -35,6 +42,12 @@ function getConfigExplorer() {
  'babel-plugin-macros.config.js',
  ],
  packageProp: 'babelMacros',
+ loaders: {
+ '.yaml': loadYaml,
+ '.yml': loadYaml,
+ // loader for files with no extension
+ noExt: loadYaml,
+ },
  }))
 }