add encode feature

.editorconfig

@@ -14,6 +14,3 @@ indent_style = space
 
 [*.{md,yml,yaml}]
 trim_trailing_whitespace = false
-
-[.registry-*]
-insert_final_newline = false

.eslintrc.yml

@@ -0,0 +1,63 @@
+root: true
+env:
+  es2022: true
+  node: true
+parserOptions:
+  ecmaVersion: 13
+  sourceType: module
+extends:
+  - eslint:recommended
+  - plugin:sonarjs/recommended
+  - plugin:unicorn/recommended
+rules:
+  camelcase: off
+  capitalized-comments: off
+  indent: [error, tab]
+  linebreak-style: [error, unix]
+  no-console: off
+  no-debugger: off
+  # no-multi-assign: off
+  # no-multiple-empty-lines:
+  #   - error
+  #   -
+  #     max: 2
+  #     maxBOF: 2
+  #     maxEOF: 0
+  # no-new-func: off
+  no-undef-init: off
+  no-unused-expressions:
+    - error
+    -
+      allowShortCircuit: true
+      allowTernary: true
+      allowTaggedTemplates: true
+  padding-line-between-statements: off
+  quotes: [error, single]
+  # require-atomic-updates: off
+  semi:  [error, never]
+  semi-spacing:
+    - error
+    -
+      before: false
+      after: true
+  spaced-comment: off
+  # unicorn/consistent-destructuring: off
+  unicorn/filename-case: off
+  # unicorn/import-style:
+  #   - error
+  #   -
+  #     styles:
+  #       util: false
+  #       path:
+  #         named: true
+  # unicorn/no-abusive-eslint-disable: off
+  unicorn/no-array-reduce: off
+  # unicorn/no-negated-condition: off
+  # unicorn/no-null: off
+  unicorn/no-useless-undefined: off
+  unicorn/no-zero-fractions: off
+  # unicorn/prefer-dom-node-dataset: off
+  unicorn/prefer-includes: off
+  # unicorn/prefer-object-from-entries: off
+  unicorn/prefer-query-selector: off
+  unicorn/prevent-abbreviations: off

.gitignore

@@ -1,62 +1,10 @@
-# Docs
-doc
-.ghtoken
+# node
+node_modules
 
 # Logs
 logs
 *.log
-npm-debug.log*
-yarn-debug.log*
-yarn-error.log*
+*.log*
 
-# Runtime data
-pids
-*.pid
-*.seed
-*.pid.lock
-
-# Directory for instrumented libs generated by jscoverage/JSCover
-lib-cov
-
-# Coverage directory used by tools like istanbul
-coverage
-
-# nyc test coverage
-.nyc_output
-
-# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
-.grunt
-
-# Bower dependency directory (https://bower.io/)
-bower_components
-
-# node-waf configuration
-.lock-wscript
-
-# Compiled binary addons (http://nodejs.org/api/addons.html)
-build/Release
-
-# Dependency directories
-node_modules/
-jspm_packages/
-
-# Typescript v1 declaration files
-typings/
-
-# Optional npm cache directory
-.npm
-
-# Optional eslint cache
-.eslintcache
-
-# Optional REPL history
-.node_repl_history
-
-# Output of 'npm pack'
-*.tgz
-
-# Yarn Integrity file
-.yarn-integrity
-
-# dotenv environment variables file
-.env
+# Coverage
+coverage/**

README.md

@@ -14,13 +14,30 @@
 
 Make pooling connections with [MySQL](https://github.com/mysqljs/mysql#pooling-connections)
 
+
 ## Install
 
 ```
 $ npm i -S @tadashi/mysql-pool
 ```
 
 
+## Environment variable
+
+Variable             | Type    | Required   | Default       | Description
+--------             | --------| -----------| --------------| ------------
+MYHOST               | string  | no         | localhost     | Hostname or server address
+MYPORT               | number  | no         | 3306          | Port number for the connection
+MYUSER               | string  | no         | root          | User authentication
+MYPASS               | string  | no         |               | Authentication password
+MYLIMIT              | number  | no         | 5             | Limit or threshold value
+MYCONNECTTIMEOUT     | number  | no         | 30000         | Connection timeout in milliseconds
+MYACQUIRETIMEOUT     | number  | no         | 30000         | Resource acquisition timeout in milliseconds
+MYMULTIPLE           | boolean | no         | true          | Allowing multiple statements
+MYWAITFORCONNECTIONS | boolean | no         | true          | Waiting for available connections
+MYENCODE             | number  | no         | 0             | MYUSER and MYPASS encoded in base64
+
+
 ## Usage
 
 ```js

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@tadashi/mysql-pool",
-  "version": "2.2.2",
+  "version": "2.3.0",
   "description": "MySQL Pooling connections",
   "type": "module",
   "main": "src/mysql-pool.js",
@@ -13,7 +13,9 @@
     "docker:rm": "docker kill mysql-pool-test; docker rm mysql-pool-test",
     "_predocker": "npm run docker:rm",
     "docker": "docker run -p 3306:3306 --name mysql-pool-test -e MYSQL_ROOT_PASSWORD=root -d mysql:latest",
-    "test": "c8 --reporter=text --reporter=text-summary --reporter=lcov ava --serial"
+    "eslint": "eslint --ignore-path .gitignore .",
+    "pretest": "npm run eslint",
+    "test": "c8 --reporter=text --reporter=text-summary --reporter=lcovonly --reporter=cobertura ava --tap --serial -T 30s"
   },
   "repository": {
     "type": "git",
@@ -36,6 +38,9 @@
   },
   "devDependencies": {
     "ava": "5.3.1",
-    "c8": "8.0.0"
+    "c8": "8.0.1",
+    "eslint": "8.48.0",
+    "eslint-plugin-sonarjs": "0.21.0",
+    "eslint-plugin-unicorn": "48.0.1"
   }
 }