fix: allow skipping installing deps

Author: aladdin-add

lib/config-generator.js

@@ -230,27 +230,45 @@ export default [\n${exportContent}];`;
      * @returns {void}
      */
     async output() {
-        const packageManager = (await enquirer.prompt({
-            type: "select",
-            name: "packageManager",
-            message: "Which package manager do you want to use?",
-            initial: 0,
-            choices: ["npm", "yarn", "pnpm", "bun"]
-        })).packageManager;
-
-        installSyncSaveDev(this.result.devDependencies, packageManager);
+        const installDevDeps = (await enquirer.prompt({
+            type: "toggle",
+            name: "executeInstallation",
+            message: "Would you like to install them now?",
+            enabled: "Yes",
+            disabled: "No",
+            initial: 1
+        })).executeInstallation;
 
         const configPath = path.join(this.cwd, this.result.configFilename);
 
-        await writeFile(configPath, this.result.configContent);
-
-        // import("eslint") won't work in some cases.
-        // refs: https://github.com/eslint/create-config/issues/8, https://github.com/eslint/create-config/issues/12
-        const eslintBin = path.join(this.packageJsonPath, "../node_modules/eslint/bin/eslint.js");
-        const result = spawnSync(process.execPath, [eslintBin, "--fix", "--quiet", configPath], { encoding: "utf8" });
+        if (installDevDeps === true) {
+            const packageManager = (await enquirer.prompt({
+                type: "select",
+                name: "packageManager",
+                message: "Which package manager do you want to use?",
+                initial: 0,
+                choices: ["npm", "yarn", "pnpm", "bun"]
+            })).packageManager;
+
+            log.info(`Installing ${this.result.devDependencies.join(", ")}`);
+            installSyncSaveDev(this.result.devDependencies, packageManager);
+            await writeFile(configPath, this.result.configContent);
+
+            // import("eslint") won't work in some cases.
+            // refs: https://github.com/eslint/create-config/issues/8, https://github.com/eslint/create-config/issues/12
+            const eslintBin = path.join(this.packageJsonPath, "../node_modules/eslint/bin/eslint.js");
+            const result = spawnSync(process.execPath, [eslintBin, "--fix", "--quiet", configPath], { encoding: "utf8" });
+
+            if (result.error || result.status !== 0) {
+                log.error("A config file was generated, but the config file itself may not follow your linting rules.");
+            } else {
+                log.info(`Successfully created ${configPath} file.`);
+            }
+        } else {
+            await writeFile(configPath, this.result.configContent);
 
-        if (result.error || result.status !== 0) {
-            log.error("A config file was generated, but the config file itself may not follow your linting rules.");
+            log.info(`Successfully created ${configPath} file.`);
+            log.info(`You will need to install the following dependencies yourself: ${this.result.devDependencies.join(", ")}`);
         }
     }
 }