fix: resolve .ts files in test_regression

Author: eps1lon

.eslintrc.js

@@ -21,22 +21,7 @@ module.exports = {
   settings: {
     'import/resolver': {
       webpack: {
-        config: {
-          resolve: {
-            alias: {
-              '@material-ui/core': path.resolve(__dirname, './packages/material-ui/src'),
-              '@material-ui/docs': path.resolve(__dirname, './packages/material-ui-docs/src'),
-              '@material-ui/icons': path.resolve(__dirname, './packages/material-ui-icons/src'),
-              '@material-ui/lab': path.resolve(__dirname, './packages/material-ui-lab/src'),
-              '@material-ui/styles': path.resolve(__dirname, './packages/material-ui-styles/src'),
-              '@material-ui/system': path.resolve(__dirname, './packages/material-ui-system/src'),
-              '@material-ui/utils': path.resolve(__dirname, './packages/material-ui-utils/src'),
-              modules: path.resolve(__dirname, './modules'),
-              test: path.resolve(__dirname, './test'),
-            },
-            extensions: ['.js', '.jsx', '.ts'],
-          },
-        },
+        config: path.join(__dirname, './docs/webpackBaseConfig.js'),
       },
     },
   },

docs/webpackBaseConfig.js

@@ -16,6 +16,7 @@ module.exports = {
       '@material-ui/utils': path.resolve(__dirname, '../packages/material-ui-utils/src'),
       docs: path.resolve(__dirname, '../docs'),
     },
+    extensions: ['.js', '.ts'],
   },
   output: {
     path: path.join(__dirname, 'build'),
@@ -25,7 +26,7 @@ module.exports = {
   module: {
     rules: [
       {
-        test: /\.js$/,
+        test: /\.(js|ts)$/,
         exclude: /node_modules/,
         loader: 'babel-loader',
         query: {