fix: enable linting .jsx files when React is selected (eslint#126)

Author: mdjermanovic

lib/config-generator.js

@@ -181,6 +181,7 @@ const compat = new FlatCompat({baseDirectory: __dirname, recommendedConfig: plug
         }
 
         if (this.answers.framework === "react") {
+            exportContent += "  { files: [\"**/*.jsx\"], languageOptions: { parserOptions: { ecmaFeatures: { jsx: true } } } },\n";
             if (this.answers.eslintVersion === "9.x") {
                 this.result.devDependencies.push("eslint-plugin-react", "@eslint/compat");
                 if (!this.result.installFlags.includes("--force")) {

tests/__snapshots__/problems-esm-react-eslint8.x-javascript

@@ -7,6 +7,7 @@ import pluginReactConfig from "eslint-plugin-react/configs/recommended.js";
 export default [
   {languageOptions: { globals: globals.browser }},
   pluginJs.configs.recommended,
+  { files: ["**/*.jsx"], languageOptions: { parserOptions: { ecmaFeatures: { jsx: true } } } },
   pluginReactConfig,
 ];",
   "configFilename": "eslint.config.js",

tests/__snapshots__/problems-esm-react-eslint8.x-typescript

@@ -9,6 +9,7 @@ export default [
   {languageOptions: { globals: globals.browser }},
   pluginJs.configs.recommended,
   ...tseslint.configs.recommended,
+  { files: ["**/*.jsx"], languageOptions: { parserOptions: { ecmaFeatures: { jsx: true } } } },
   pluginReactConfig,
 ];",
   "configFilename": "eslint.config.js",

tests/__snapshots__/problems-esm-react-eslint9.x-javascript

@@ -8,6 +8,7 @@ import { fixupConfigRules } from "@eslint/compat";
 export default [
   {languageOptions: { globals: globals.browser }},
   pluginJs.configs.recommended,
+  { files: ["**/*.jsx"], languageOptions: { parserOptions: { ecmaFeatures: { jsx: true } } } },
   ...fixupConfigRules(pluginReactConfig),
 ];",
   "configFilename": "eslint.config.js",

tests/__snapshots__/problems-esm-react-eslint9.x-typescript

@@ -10,6 +10,7 @@ export default [
   {languageOptions: { globals: globals.browser }},
   pluginJs.configs.recommended,
   ...tseslint.configs.recommended,
+  { files: ["**/*.jsx"], languageOptions: { parserOptions: { ecmaFeatures: { jsx: true } } } },
   ...fixupConfigRules(pluginReactConfig),
 ];",
   "configFilename": "eslint.config.js",

tests/__snapshots__/syntax-esm-react-eslint8.x-javascript

@@ -5,6 +5,7 @@ import pluginReactConfig from "eslint-plugin-react/configs/recommended.js";
 
 export default [
   {languageOptions: { globals: globals.browser }},
+  { files: ["**/*.jsx"], languageOptions: { parserOptions: { ecmaFeatures: { jsx: true } } } },
   pluginReactConfig,
 ];",
   "configFilename": "eslint.config.js",

tests/__snapshots__/syntax-esm-react-eslint8.x-typescript

@@ -7,6 +7,7 @@ import pluginReactConfig from "eslint-plugin-react/configs/recommended.js";
 export default [
   {languageOptions: { globals: globals.browser }},
   ...tseslint.configs.recommended,
+  { files: ["**/*.jsx"], languageOptions: { parserOptions: { ecmaFeatures: { jsx: true } } } },
   pluginReactConfig,
 ];",
   "configFilename": "eslint.config.js",

tests/__snapshots__/syntax-esm-react-eslint9.x-javascript

@@ -6,6 +6,7 @@ import { fixupConfigRules } from "@eslint/compat";
 
 export default [
   {languageOptions: { globals: globals.browser }},
+  { files: ["**/*.jsx"], languageOptions: { parserOptions: { ecmaFeatures: { jsx: true } } } },
   ...fixupConfigRules(pluginReactConfig),
 ];",
   "configFilename": "eslint.config.js",

tests/__snapshots__/syntax-esm-react-eslint9.x-typescript

@@ -8,6 +8,7 @@ import { fixupConfigRules } from "@eslint/compat";
 export default [
   {languageOptions: { globals: globals.browser }},
   ...tseslint.configs.recommended,
+  { files: ["**/*.jsx"], languageOptions: { parserOptions: { ecmaFeatures: { jsx: true } } } },
   ...fixupConfigRules(pluginReactConfig),
 ];",
   "configFilename": "eslint.config.js",