feat: support json/md

fixes #148

Author: aladdin-add

lib/config-generator.js

@@ -80,8 +80,9 @@ export class ConfigGenerator {
         let importContent = "";
         let exportContent = "";
         let needCompatHelper = false;
+        const languages = this.answers.languages;
 
-        if (this.answers.languages?.includes("javascript")) {
+        if (languages?.includes("javascript")) {
             if (this.answers.moduleType === "commonjs" || this.answers.moduleType === "script") {
                 exportContent += `  {files: ["**/*.js"], languageOptions: {sourceType: "${this.answers.moduleType}"}},\n`;
             }
@@ -138,6 +139,32 @@ export class ConfigGenerator {
                 exportContent += "  pluginReact.configs.flat.recommended,\n";
             }
         }
+
+        if (languages?.some(item => item.startsWith("json"))) {
+            this.result.devDependencies.push("@eslint/json");
+            importContent += "import json from \"@eslint/json\";\n";
+        }
+        if (languages?.includes("json")) {
+            exportContent += "  {files: [\"**/*.json\"], language: \"json/json\", ...json.configs.recommended},\n";
+        }
+        if (languages?.includes("jsonc")) {
+            exportContent += "  {files: [\"**/*.jsonc\"], language: \"json/jsonc\", ...json.configs.recommended},\n";
+        }
+        if (languages?.includes("json5")) {
+            exportContent += "  {files: [\"**/*.json5\"], language: \"json/json5\", ...json.configs.recommended},\n";
+        }
+
+        if (languages?.includes("md")) {
+            this.result.devDependencies.push("@eslint/markdown");
+            importContent += "import markdown from \"@eslint/markdown\";\n";
+            exportContent += "  ...markdown.configs.recommended,\n";
+            if (this.answers.mdType === "gfm") {
+
+                // the default is commonmark
+                exportContent += "  {files: [\"**/*.md\"], language: \"markdown/gfm\"},\n";
+            }
+        }
+
         if (this.answers.config) {
             const config = this.answers.config;