fix: revert back to cosmiconfig from lilconfig (#1035)

* Revert "fix: correctly import `js-yaml` to fix yaml config loading (#1033)"

This reverts commit 612d806.

* Revert "perf: replace `cosmiconfig` with `lilconfig` (#981)"

This reverts commit 04529e2.

Author: iiroj

README.md

@@ -105,7 +105,7 @@ Starting with v3.1 you can now use different ways of configuring lint-staged:
 - `lint-staged.config.js`, `.lintstagedrc.js`, or `.lintstagedrc.cjs` file in JS format
 - Pass a configuration file using the `--config` or `-c` flag
 
-See [lilconfig](https://github.com/antonk52/lilconfig) for more details on what formats are supported.
+See [cosmiconfig](https://github.com/davidtheclark/cosmiconfig) for more details on what formats are supported.
 
 Configuration should be an object where each value is a command to run and its key is a glob pattern to use for this command. This package uses [micromatch](https://github.com/micromatch/micromatch) for glob patterns.
 

lib/index.js

@@ -1,7 +1,6 @@
 'use strict'
 
-const { lilconfig } = require('lilconfig')
-const yaml = require('js-yaml')
+const { cosmiconfig } = require('cosmiconfig')
 const debugLog = require('debug')('lint-staged')
 const stringifyObject = require('stringify-object')
 
@@ -25,10 +24,8 @@ const resolveConfig = (configPath) => {
   }
 }
 
-const jsYamlLoad = (filepath, content) => yaml.load(content)
-
 const loadConfig = (configPath) => {
-  const explorer = lilconfig('lint-staged', {
+  const explorer = cosmiconfig('lint-staged', {
     searchPlaces: [
       'package.json',
       '.lintstagedrc',
@@ -40,11 +37,6 @@ const loadConfig = (configPath) => {
       'lint-staged.config.js',
       'lint-staged.config.cjs',
     ],
-    loaders: {
-      '.yml': jsYamlLoad,
-      '.yaml': jsYamlLoad,
-      noExt: jsYamlLoad,
-    },
   })
 
   return configPath ? explorer.load(resolveConfig(configPath)) : explorer.search()
@@ -92,7 +84,7 @@ const lintStaged = async (
 ) => {
   await validateOptions({ shell }, logger)
 
-  debugLog('Loading config using `lilconfig`')
+  debugLog('Loading config using `cosmiconfig`')
 
   const resolved = configObject
     ? { config: configObject, filepath: '(input)' }