refactor: language = js

Author: aladdin-add

lib/config-generator.js

@@ -123,6 +123,15 @@ export class ConfigGenerator {
         const purpose = this.answers.purpose;
         const useTs = this.answers.useTs;
 
+        if (purpose === "syntax") {
+
+            // no need to install any plugin
+        } else if (purpose === "problems") {
+            this.result.devDependencies.push("@eslint/js");
+            importContent += "import js from \"@eslint/js\";\n";
+            exportContent += `  { files: ["${extensions}"], plugins: { js }, extends: ["js/recommended"] },\n`;
+        }
+
         if (languages.includes("javascript")) {
             if (this.answers.moduleType === "commonjs" || this.answers.moduleType === "script") {
                 exportContent += `  { files: ["**/*.js"], languageOptions: { sourceType: "${this.answers.moduleType}" } },\n`;
@@ -139,64 +148,59 @@ export class ConfigGenerator {
 
                 exportContent += `  { files: ["${extensions}"], languageOptions: { ${envContent[this.answers.env.join(",")]} } },\n`;
             }
-        }
-
-        if (purpose === "syntax") {
+            if (useTs) {
+                this.result.devDependencies.push("typescript-eslint");
+                importContent += "import tseslint from \"typescript-eslint\";\n";
+                exportContent += "  tseslint.configs.recommended,\n";
+            }
 
-            // no need to install any plugin
-        } else if (purpose === "problems") {
-            this.result.devDependencies.push("@eslint/js");
-            importContent += "import js from \"@eslint/js\";\n";
-            exportContent += `  { files: ["${extensions}"], plugins: { js }, extends: ["js/recommended"] },\n`;
-        }
+            if (this.answers.framework === "vue") {
+                this.result.devDependencies.push("eslint-plugin-vue");
+                importContent += "import pluginVue from \"eslint-plugin-vue\";\n";
+                exportContent += "  pluginVue.configs[\"flat/essential\"],\n";
 
-        if (useTs) {
-            this.result.devDependencies.push("typescript-eslint");
-            importContent += "import tseslint from \"typescript-eslint\";\n";
-            exportContent += "  tseslint.configs.recommended,\n";
-        }
-
-        if (this.answers.framework === "vue") {
-            this.result.devDependencies.push("eslint-plugin-vue");
-            importContent += "import pluginVue from \"eslint-plugin-vue\";\n";
-            exportContent += "  pluginVue.configs[\"flat/essential\"],\n";
+                // https://eslint.vuejs.org/user-guide/#how-to-use-a-custom-parser
+                if (this.answers.language === "typescript") {
+                    exportContent += "  { files: [\"**/*.vue\"], languageOptions: { parserOptions: { parser: tseslint.parser } } },\n";
+                }
+            }
 
-            // https://eslint.vuejs.org/user-guide/#how-to-use-a-custom-parser
-            if (this.answers.language === "typescript") {
-                exportContent += "  { files: [\"**/*.vue\"], languageOptions: { parserOptions: { parser: tseslint.parser } } },\n";
+            if (this.answers.framework === "react") {
+                this.result.devDependencies.push("eslint-plugin-react");
+                importContent += "import pluginReact from \"eslint-plugin-react\";\n";
+                exportContent += "  pluginReact.configs.flat.recommended,\n";
             }
-        }
 
-        if (this.answers.framework === "react") {
-            this.result.devDependencies.push("eslint-plugin-react");
-            importContent += "import pluginReact from \"eslint-plugin-react\";\n";
-            exportContent += "  pluginReact.configs.flat.recommended,\n";
+            if (needCompatHelper) {
+                this.result.devDependencies.push("@eslint/eslintrc", "@eslint/js");
+            }
         }
 
         if (languages.some(item => item.startsWith("json"))) {
             this.result.devDependencies.push("@eslint/json");
             importContent += "import json from \"@eslint/json\";\n";
-        }
-        if (languages.includes("json")) {
-            const config = purpose === "syntax"
-                ? "  {files: [\"**/*.json\"], plugins: {json}, language: \"json/json\"},\n"
-                : "  {files: [\"**/*.json\"], language: \"json/json\", ...json.configs.recommended},\n";
 
-            exportContent += config;
-        }
-        if (languages.includes("jsonc")) {
-            const config = purpose === "syntax"
-                ? "  {files: [\"**/*.jsonc\"], plugins: {json}, language: \"json/jsonc\"},\n"
-                : "  {files: [\"**/*.jsonc\"], language: \"json/jsonc\", ...json.configs.recommended},\n";
+            if (languages.includes("json")) {
+                const config = purpose === "syntax"
+                    ? "  { files: [\"**/*.json\"], plugins: { json }, language: \"json/json\" },\n"
+                    : "  { files: [\"**/*.json\"], language: \"json/json\", ...json.configs.recommended},\n";
 
-            exportContent += config;
-        }
-        if (languages.includes("json5")) {
-            const config = purpose === "syntax"
-                ? "  {files: [\"**/*.json5\"], plugins: {json}, language: \"json/json5\"},\n"
-                : "  {files: [\"**/*.json5\"], language: \"json/json5\", ...json.configs.recommended},\n";
+                exportContent += config;
+            }
+            if (languages.includes("jsonc")) {
+                const config = purpose === "syntax"
+                    ? "  { files: [\"**/*.jsonc\"], plugins: { json }, language: \"json/jsonc\" },\n"
+                    : "  { files: [\"**/*.jsonc\"], language: \"json/jsonc\", ...json.configs.recommended },\n";
 
-            exportContent += config;
+                exportContent += config;
+            }
+            if (languages.includes("json5")) {
+                const config = purpose === "syntax"
+                    ? "  { files: [\"**/*.json5\"], plugins: { json }, language: \"json/json5\" },\n"
+                    : "  { files: [\"**/*.json5\"], language: \"json/json5\", ...json.configs.recommended },\n";
+
+                exportContent += config;
+            }
         }
 
         if (languages.includes("md")) {
@@ -205,8 +209,8 @@ export class ConfigGenerator {
 
             if (purpose === "syntax") {
                 const config = this.answers.mdType === "commonmark"
-                    ? "  {files: [\"**/*.md\"], plugins: {markdown}, language: \"markdown/commonmark\"},\n"
-                    : "  {files: [\"**/*.md\"], plugins: {markdown}, language: \"markdown/gfm\"},\n";
+                    ? "  { files: [\"**/*.md\"], plugins: {markdown}, language: \"markdown/commonmark\" },\n"
+                    : "  { files: [\"**/*.md\"], plugins: {markdown}, language: \"markdown/gfm\" },\n";
 
                 exportContent += config;
             } else if (purpose === "problems") {
@@ -215,7 +219,7 @@ export class ConfigGenerator {
                 if (this.answers.mdType === "gfm") {
 
                     // the default is commonmark
-                    exportContent += "  {files: [\"**/*.md\"], language: \"markdown/gfm\"},\n";
+                    exportContent += "  { files: [\"**/*.md\"], language: \"markdown/gfm\" },\n";
                 }
             }
         }
@@ -256,14 +260,6 @@ export class ConfigGenerator {
             }
         }
 
-        if (needCompatHelper) {
-            this.result.devDependencies.push("@eslint/eslintrc", "@eslint/js");
-        }
-
-        const lintFilesConfig = `  { files: ["${extensions}"] },\n`;
-
-        exportContent = `${lintFilesConfig}${exportContent}`;
-
         this.result.configContent = `${importContent}
 ${needCompatHelper ? helperContent : ""}
 export default defineConfig([\n${exportContent || "  {}\n"}]);`; // defaults to `[{}]` to avoid empty config warning

tests/__snapshots__/config@eslint-config-airbnb

@@ -12,7 +12,6 @@ const __dirname = path.dirname(__filename);
 const compat = new FlatCompat({baseDirectory: __dirname, recommendedConfig: js.configs.recommended});
 
 export default defineConfig([
-  { files: ["**/*.{js,mjs,cjs}"] },
   compat.extends("airbnb"),
 ]);",
   "configFilename": "eslint.config.mjs",
@@ -23,8 +22,6 @@ export default defineConfig([
     "eslint-plugin-import@^2.25.3",
     "eslint-plugin-jsx-a11y@^6.5.1",
     "eslint-plugin-react-hooks@^4.3.0",
-    "@eslint/eslintrc",
-    "@eslint/js",
   ],
   "installFlags": [
     "-D",

tests/__snapshots__/config@eslint-config-airbnb-base

@@ -12,16 +12,13 @@ const __dirname = path.dirname(__filename);
 const compat = new FlatCompat({baseDirectory: __dirname, recommendedConfig: js.configs.recommended});
 
 export default defineConfig([
-  { files: ["**/*.{js,mjs,cjs}"] },
   compat.extends("airbnb-base"),
 ]);",
   "configFilename": "eslint.config.mjs",
   "devDependencies": [
     "eslint@^7.32.0 || ^8.2.0",
     "eslint-config-airbnb-base",
     "eslint-plugin-import@^2.25.2",
-    "@eslint/eslintrc",
-    "@eslint/js",
   ],
   "installFlags": [
     "-D",

tests/__snapshots__/config@eslint-config-standard

@@ -12,7 +12,6 @@ const __dirname = path.dirname(__filename);
 const compat = new FlatCompat({baseDirectory: __dirname, recommendedConfig: js.configs.recommended});
 
 export default defineConfig([
-  { files: ["**/*.{js,mjs,cjs}"] },
   compat.extends("standard"),
 ]);",
   "configFilename": "eslint.config.mjs",
@@ -22,8 +21,6 @@ export default defineConfig([
     "eslint-plugin-import@^2.25.2",
     "eslint-plugin-n@^15.0.0 || ^16.0.0 ",
     "eslint-plugin-promise@^6.0.0",
-    "@eslint/eslintrc",
-    "@eslint/js",
   ],
   "installFlags": [
     "-D",

tests/__snapshots__/config@eslint-config-standard-flat

@@ -4,7 +4,6 @@ import config from "eslint-config-standard";
 
 
 export default defineConfig([
-  { files: ["**/*.{js,mjs,cjs}"] },
   config,
 ]);",
   "configFilename": "eslint.config.mjs",

tests/__snapshots__/config@eslint-config-standard-flat2

@@ -4,7 +4,6 @@ import config from "eslint-config-standard";
 
 
 export default defineConfig([
-  { files: ["**/*.{js,mjs,cjs}"] },
   config,
 ]);",
   "configFilename": "eslint.config.mjs",

tests/__snapshots__/config@eslint-config-xo

@@ -4,7 +4,6 @@ import config from "eslint-config-xo";
 
 
 export default defineConfig([
-  { files: ["**/*.{js,mjs,cjs}"] },
   config,
 ]);",
   "configFilename": "eslint.config.mjs",

tests/__snapshots__/empty

@@ -3,7 +3,7 @@
 
 
 export default defineConfig([
-  { files: ["**/*.{js,mjs,cjs}"] },
+  {}
 ]);",
   "configFilename": "eslint.config.js",
   "devDependencies": [

tests/__snapshots__/esm-javascript-json-problems

@@ -1,21 +1,20 @@
 {
   "configContent": "import { defineConfig } from "eslint/config";
-import globals from "globals";
 import js from "@eslint/js";
+import globals from "globals";
 import json from "@eslint/json";
 
 
 export default defineConfig([
-  { files: ["**/*.{js,mjs,cjs}"] },
-  { files: ["**/*.{js,mjs,cjs}"], languageOptions: { globals: globals.node } },
   { files: ["**/*.{js,mjs,cjs}"], plugins: { js }, extends: ["js/recommended"] },
-  {files: ["**/*.json"], language: "json/json", ...json.configs.recommended},
+  { files: ["**/*.{js,mjs,cjs}"], languageOptions: { globals: globals.node } },
+  { files: ["**/*.json"], language: "json/json", ...json.configs.recommended},
 ]);",
   "configFilename": "eslint.config.js",
   "devDependencies": [
     "eslint",
-    "globals",
     "@eslint/js",
+    "globals",
     "@eslint/json",
   ],
   "installFlags": [

tests/__snapshots__/esm-json-problems

@@ -5,9 +5,8 @@ import json from "@eslint/json";
 
 
 export default defineConfig([
-  { files: ["**/*.{js,mjs,cjs}"] },
   { files: ["**/*.{js,mjs,cjs}"], plugins: { js }, extends: ["js/recommended"] },
-  {files: ["**/*.json"], language: "json/json", ...json.configs.recommended},
+  { files: ["**/*.json"], language: "json/json", ...json.configs.recommended},
 ]);",
   "configFilename": "eslint.config.js",
   "devDependencies": [