Refactoring codebase

close debug-js/debug#569
close debug-js/debug#563

.eslintrc.js

@@ -0,0 +1,23 @@
+module.exports = {
+  root: true,
+  parserOptions: {
+    sourceType: "module"
+  },
+  env: {
+    browser: true,
+    node: true,
+  },
+  extends: [
+    'plugin:jest/recommended',
+    'eslint:recommended',
+    'standard'
+  ],
+  plugins: ['jest'],
+  rules: {
+    // allow async-await
+    'generator-star-spacing': 'off',
+    // allow debugger during development
+    'no-debugger': process.env.NODE_ENV === 'production' ? 'error' : 'off',
+    'no-empty': ['error', { 'allowEmptyCatch': true }]
+  }
+}

.gitignore

@@ -0,0 +1,64 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.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 (https://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
+
+# next.js build output
+.next
+
+# we don't need to lock package version
+yarn.lock

CHANGELOG.md

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+# Changelog
+
+## 1.0.0 / 2018-05-15
+
+* Breaking: Re-write in ES6
+* Breaking: createDebug.humanize move to env.humanize
+* Breaking: createDebug.enabled renamed to createDebug.enabler
+* Addition: nwjs support
+* Addition: `process` package support
+* Addition: 99% coverage test
+* Fix: JSON.stringify circular issue
+* Fix: Edge > 16.16215 support console colors
+* Fix: window.webkitURL is existed in Edge issue