chore: add prettier

Author: EndBug

.eslintrc

@@ -0,0 +1,38 @@
+module.exports = {
+  env: {
+    commonjs: true,
+    es6: true,
+    node: true
+  },
+  extends: [
+    'eslint:recommended',
+    'prettier/@typescript-eslint',
+    'plugin:prettier/recommended'
+  ],
+  globals: {},
+  parser: '@typescript-eslint/parser',
+  parserOptions: {
+    ecmaVersion: 6,
+    sourceType: 'module'
+  },
+  plugins: ['@typescript-eslint'],
+  rules: {
+    'prettier/prettier': 'warn',
+    'no-cond-assign': [2, 'except-parens'],
+    'no-unused-vars': 0,
+    '@typescript-eslint/no-unused-vars': 1,
+    'no-empty': [
+      'error',
+      {
+        allowEmptyCatch: true
+      }
+    ],
+    'prefer-const': [
+      'warn',
+      {
+        destructuring: 'all'
+      }
+    ],
+    'spaced-comment': 'warn'
+  }
+}

.eslintrc.js

@@ -0,0 +1,7 @@
+{
+  "semi": false,
+  "singleQuote": true,
+  "tabWidth": 2,
+  "useTabs": false,
+  "trailingComma": "none"
+}

.prettierrc

@@ -6,6 +6,7 @@
   "scripts": {
     "build": "ncc build src/main.ts --minify --out lib",
     "watch": "ncc build src/main.ts --watch --out lib",
+    "lint:fix": "eslint --ext .ts --fix src",
     "all-contributors-badge": "ts-node scripts/all-contributors-badge",
     "changelog": "ts-node scripts/changelog.ts",
     "test": "echo \"Error: no test specified\" && exit 1"
@@ -45,7 +46,10 @@
     "@vercel/ncc": "^0.25.1",
     "all-contributors-cli": "^6.19.0",
     "eslint": "^6.8.0",
+    "eslint-config-prettier": "^6.15.0",
+    "eslint-plugin-prettier": "^3.1.4",
     "husky": "^4.3.0",
+    "prettier": "^2.2.1",
     "ts-node": "^9.0.0",
     "typescript": "^4.1.2",
     "yamljs": "^0.3.0"

package-lock.json

@@ -6,15 +6,19 @@ function path(...segments: string[]) {
 }
 
 const README = fs.readFileSync(path('README.md'), { encoding: 'utf8' }),
-  { contributors } = JSON.parse(fs.readFileSync(path('.all-contributorsrc'), { encoding: 'utf8' }))
+  { contributors } = JSON.parse(
+    fs.readFileSync(path('.all-contributorsrc'), { encoding: 'utf8' })
+  )
 if (!(contributors instanceof Array)) throw new Error('Invalid config file')
 
-const updatedREADME = README
-  .split('\n')
-  .map(line =>
-    line.startsWith('[![All Contributors](https://img.shields.io/badge/all_contributors-')
+const updatedREADME = README.split('\n')
+  .map((line) =>
+    line.startsWith(
+      '[![All Contributors](https://img.shields.io/badge/all_contributors-'
+    )
       ? `[![All Contributors](https://img.shields.io/badge/all_contributors-${contributors.length}-orange.svg?style=flat)](#contributors-)`
       : line
-  ).join('\n')
+  )
+  .join('\n')
 
 fs.writeFileSync(path('README.md'), updatedREADME)

package.json

@@ -2,7 +2,7 @@ import fs from 'fs'
 import path from 'path'
 
 const currentVersion = require('../package.json').version
-if (!currentVersion) throw new Error('Cant\'t detect library version.')
+if (!currentVersion) throw new Error("Cant't detect library version.")
 
 const changelogPath = path.resolve(__dirname, '../CHANGELOG.md')
 const changelog = fs.readFileSync(changelogPath, { encoding: 'utf-8' })
@@ -12,7 +12,8 @@ let futureChangelog = ''
 
 // Add version section
 let arr = changelog.split('## [Unreleased]')
-arr[1] = `
+arr[1] =
+  `
 
 ## [${currentVersion}] - ${new Date().toISOString().slice(0, 10)}
 ### Removed:
@@ -28,13 +29,15 @@ futureChangelog = arr.join('## [Unreleased]')
 // Update footer
 arr = futureChangelog
   .split('\n')
-  .map(line => line.startsWith('[Unreleased]')
-    ? `[Unreleased]: https://github.com/EndBug/add-and-commit/compare/v${currentVersion}...HEAD`
-    : line)
-
-// eslint-disable-next-line no-useless-escape
-const lastVersion = ([...arr].reverse()[1]?.match(/\[([^\][]*)]/) || [])[0].replace(/[\[\]']+/g, '')
-if (!lastVersion) throw new Error('Can\'t find last version in changelog.')
+  .map((line) =>
+    line.startsWith('[Unreleased]')
+      ? `[Unreleased]: https://github.com/EndBug/add-and-commit/compare/v${currentVersion}...HEAD`
+      : line
+  )
+
+const lastVersion = ([...arr].reverse()[1]?.match(/\[([^\][]*)]/) ||
+  [])[0].replace(/[\[\]']+/g, '') // eslint-disable-line no-useless-escape
+if (!lastVersion) throw new Error("Can't find last version in changelog.")
 
 const lastLine = `[${currentVersion}]: https://github.com/EndBug/add-and-commit/compare/v${lastVersion}...v${currentVersion}`
 if (arr[arr.length - 1] === '') arr[arr.length - 1] = lastLine