add esline

.eslintrc

@@ -0,0 +1,216 @@
+{
+  "root": true,
+  "parserOptions": {
+    "ecmaVersion": 2018,
+    "sourceType": "module",
+    "ecmaFeatures": {
+      "jsx": true,
+      "globalReturn": true,
+      "impliedStrict": true
+    }
+  },
+  "env": {
+    "es6": true,
+    "amd": true,
+    "node": true,
+    "mocha": true,
+    "worker": true,
+    "jquery": true,
+    "browser": true,
+    "commonjs": true,
+    "serviceworker": true,
+    "shared-node-browser": true
+  },
+  "rules": {
+    "no-await-in-loop": 2,
+    "no-compare-neg-zero": 2,
+    "no-cond-assign": 2,
+    "no-console": 0,
+    "no-constant-condition": [2, { "checkLoops": false }],
+    "no-debugger": 2,
+    "no-dupe-args": 2,
+    "no-dupe-keys": 2,
+    "no-duplicate-case": 2,
+    "no-empty": 1,
+    "no-empty-character-class": 2,
+    "no-ex-assign": 2,
+    "no-extra-boolean-cast": 2,
+    "no-extra-parens": 2,
+    "no-extra-semi": 2,
+    "no-func-assign": 2,
+    "no-inner-declarations": 2,
+    "no-invalid-regexp": 2,
+    "no-irregular-whitespace": 2,
+    "no-obj-calls": 2,
+    "no-regex-spaces": 1,
+    "no-sparse-arrays": 2,
+    "no-template-curly-in-string": 2,
+    "no-unexpected-multiline": 2,
+    "no-unreachable": 2,
+    "no-unsafe-finally": 2,
+    "no-unsafe-negation": 2,
+    "use-isnan": 2,
+    "valid-jsdoc": [2, { "requireReturn": false }],
+    "valid-typeof": 2,
+
+    "accessor-pairs": 1,
+    "array-callback-return": 1,
+    "block-scoped-var": 1,
+    "class-methods-use-this": 0,
+    "curly": 1,
+    "default-case": 1,
+    "dot-location": [1, "property"],
+    "eqeqeq": [1, "smart"],
+    "guard-for-in": 1,
+    "no-alert": 2,
+    "no-caller": 1,
+    "no-div-regex": 1,
+    "no-else-return": 1,
+    "no-empty-function": 1,
+    "no-empty-pattern": 1,
+    "no-eq-null": 1,
+    "no-eval": 0,
+    "no-extend-native": 2,
+    "no-extra-bind": 1,
+    "no-extra-label": 1,
+    "no-fallthrough": 1,
+    "no-floating-decimal": 1,
+    "no-global-assign": 2,
+    "no-implicit-coercion": 1,
+    "no-implied-eval": 2,
+    "no-invalid-this": 1,
+    "no-iterator": 2,
+    "no-labels": 1,
+    "no-lone-blocks": 1,
+    "no-loop-func": 2,
+    "no-multi-spaces": 1,
+    "no-multi-str": 1,
+    "no-new-func": 0,
+    "no-new-wrappers": 1,
+    "no-octal": 1,
+    "no-octal-escape": 1,
+    "no-param-reassign": 1,
+    "no-proto": 1,
+    "no-redeclare": 1,
+    "no-return-assign": 1,
+    "no-return-await": 1,
+    "no-script-url": 2,
+    "no-self-assign": 1,
+    "no-self-compare": 1,
+    "no-sequences": 1,
+    "no-throw-literal": 1,
+    "no-unmodified-loop-condition": 1,
+    "no-unused-expressions": 0,
+    "no-unused-labels": 1,
+    "no-useless-call": 1,
+    "no-useless-concat": 1,
+    "no-useless-escape": 1,
+    "no-useless-return": 1,
+    "no-void": 1,
+    "no-with": 2,
+    "prefer-promise-reject-errors": 1,
+    "require-await": 2,
+    "vars-on-top": 1,
+    "wrap-iife": [1, "any"],
+    "yoda": 2,
+
+    "strict": 2,
+
+    "no-catch-shadow": 2,
+    "no-delete-var": 2,
+    "no-label-var": 2,
+    "no-shadow": 2,
+    "no-shadow-restricted-names": 2,
+    "no-undef": 2,
+    "no-undef-init": 2,
+    "no-undefined": 0,
+    "no-unused-vars": 2,
+    "no-use-before-define": 2,
+
+    "callback-return": 2,
+    "global-require": 1,
+    "handle-callback-err": 1,
+    "no-mixed-requires": [1, { "allowCall": true }],
+    "no-new-require": 2,
+    "no-path-concat": 2,
+    "no-process-env": 2,
+    "no-process-exit": 2,
+
+    "array-bracket-spacing": 1,
+    "block-spacing": 1,
+    "brace-style": 1,
+    "camelcase": 1,
+    "capitalized-comments": 0,
+    "comma-dangle": 1,
+    "comma-spacing": 1,
+    "comma-style": 1,
+    "computed-property-spacing": 1,
+    "consistent-this": [1, "that", "self"],
+    "eol-last": 1,
+    "func-call-spacing": 1,
+    "func-names": 1,
+    "indent": [1, 2, { "SwitchCase": 1 }],
+    "key-spacing": 1,
+    "keyword-spacing": 1,
+    "linebreak-style": 1,
+    "lines-around-comment": 1,
+    "new-cap": 0,
+    "new-parens": 1,
+    "no-array-constructor": 1,
+    "no-continue": 1,
+    "no-inline-comments": 1,
+    "no-mixed-spaces-and-tabs": 2,
+    "no-multi-assign": 1,
+    "no-multiple-empty-lines": 1,
+    "no-negated-condition": 0,
+    "no-nested-ternary": 2,
+    "no-new-object": 1,
+    "no-tabs": 2,
+    "no-trailing-spaces": 1,
+    "no-unneeded-ternary": 1,
+    "no-whitespace-before-property": 1,
+    "object-curly-spacing": 0,
+    "object-property-newline": [1, { "allowMultiplePropertiesPerLine": true }],
+    "one-var": [1, "never"],
+    "operator-assignment": 1,
+    "operator-linebreak": 1,
+    "padded-blocks": 0,
+    "quotes": [1, "single"],
+    "require-jsdoc": 2,
+    "semi": 1,
+    "semi-spacing": 1,
+    "space-before-blocks": 1,
+    "space-before-function-paren": [1, "never"],
+    "space-in-parens": 1,
+    "space-infix-ops": 1,
+    "space-unary-ops": [1, { "words": true, "nonwords": false }],
+    "spaced-comment": [1, "always"],
+    "wrap-regex": 1,
+
+    "arrow-body-style": 1,
+    "arrow-parens": 0,
+    "arrow-spacing": 1,
+    "constructor-super": 2,
+    "generator-star-spacing": 1,
+    "no-class-assign": 2,
+    "no-confusing-arrow": 2,
+    "no-const-assign": 2,
+    "no-dupe-class-members": 2,
+    "no-duplicate-imports": 2,
+    "no-new-symbol": 1,
+    "no-this-before-super": 2,
+    "no-useless-computed-key": 1,
+    "no-useless-constructor": 1,
+    "no-useless-rename": 1,
+    "no-var": 1,
+    "prefer-const": 1,
+    "prefer-destructuring": 1,
+    "prefer-spread": 1,
+    "prefer-template": 1,
+    "require-yield": 2,
+    "rest-spread-spacing": 1,
+    "symbol-description": 2,
+    "template-curly-spacing": 1,
+    "yield-star-spacing": 1
+  }
+}