implement config cli

bin/cli.js

@@ -0,0 +1,89 @@
+#!/usr/bin/env node
+const fs = require('node:fs')
+const path = require('node:path')
+const process = require('node:process')
+
+const { Command } = require('commander')
+const inquirer = require('inquirer')
+const program = new Command()
+
+const rootDir = path.join(__dirname, '..')
+const configDir = path.join(rootDir, 'template', 'config')
+const currentDir = process.cwd()
+
+const file = {
+  eslintignore: '.eslintignore',
+  eslintrc: '.eslintrc.js',
+  prettierrc: '.prettierrc',
+}
+
+const templateConfig = {
+  eslintignore: path.join(configDir, file.eslintignore),
+  eslintrc: path.join(configDir, file.eslintrc),
+  prettierrc: path.join(configDir, file.prettierrc),
+}
+
+const destination = {
+  eslintignore: path.join(currentDir, file.eslintignore),
+  eslintrc: path.join(currentDir, file.eslintrc),
+  prettierrc: path.join(currentDir, file.prettierrc),
+}
+
+program.name('eslint-config-ts-prefixer')
+program
+  .command('config')
+  .description(
+    `create ${file.prettierrc}/${file.eslintrc}/${file.eslintignore} files your current directory.`
+  )
+  .option('--prettier', `create ${file.prettierrc} only`)
+  .option('--eslint', `create ${file.eslintrc}/${file.eslintignore} only`)
+  .action(async (options) => {
+    if (Object.keys(options).length === 0) {
+      await createESLintConfig()
+      await createPrettierConfig()
+      return
+    }
+    if (options.eslint === true)  await createESLintConfig()
+    if (options.prettier === true)  await createPrettierConfig()
+  })
+
+// run
+program.parse()
+
+// functions
+async function createESLintConfig() {
+  await copyConfig('eslintrc')
+  await copyConfig('eslintignore')
+}
+
+async function createPrettierConfig() {
+  await copyConfig('prettierrc')
+}
+
+async function copyConfig(filename) {
+  if (fs.existsSync(destination[filename])) {
+    const answer = await inquirer.prompt({
+      choices: [
+        {
+          key: 'y',
+          name: 'Overwrite',
+          value: 'overwrite',
+        },
+        {
+          key: 'n',
+          name: 'Abort',
+          value: 'abort',
+        },
+      ],
+      message: `Your ${filename} already exists.`,
+      name: 'overwrite',
+      type: 'expand',
+    })
+
+    if (answer.overwrite === 'overwrite') {
+      fs.copyFileSync(templateConfig[filename], destination[filename])
+    }
+  } else {
+    fs.copyFileSync(templateConfig[filename], destination[filename])
+  }
+}

package.json

@@ -1,8 +1,9 @@
 {
   "name": "eslint-config-ts-prefixer",
-  "version": "0.0.1",
+  "version": "0.0.2",
   "description": "ESLint rules that specialized TypeScript",
   "main": "index.js",
+  "bin": "./bin/cli.js",
   "scripts": {
     "lint": "eslint index.js",
     "prettier": "prettier --write \"**/*.+(json|yml|css|md|mdx)\""
@@ -17,9 +18,11 @@
     "url": "https://github.com/laststance/eslint-config-ts-prefixer/issues"
   },
   "homepage": "https://github.com/laststance/eslint-config-ts-prefixer",
-  "dependencies": {},
+  "dependencies": {
+    "commander": "^9.4.1",
+    "inquirer": "^8.0.0"
+  },
   "devDependencies": {
-    "typescript": "^4.8.4",
     "@typescript-eslint/eslint-plugin": "^5.42.1",
     "@typescript-eslint/parser": "^5.42.1",
     "eslint": "^8.27.0",
@@ -28,7 +31,8 @@
     "eslint-plugin-import": "^2.26.0",
     "eslint-plugin-prettier": "^4.2.1",
     "eslint-plugin-sort-keys-fix": "^1.1.2",
-    "prettier": "^2.7.1"
+    "prettier": "^2.7.1",
+    "typescript": "^4.8.4"
   },
   "peerDependencies": {
     "typescript": "^4.0.0"

template/config/.eslintignore

@@ -0,0 +1 @@
+node_modules

template/config/.eslintrc.js

@@ -0,0 +1,7 @@
+module.export = {
+  extends: 'ts-prefixer',
+  globals: {},
+  plugins: [],
+  rules: {},
+  settings: {},
+}

template/config/.prettierrc

@@ -0,0 +1,4 @@
+{
+  "singleQuote": true,
+  "semi": false
+}