Merge pull request #454 from snabbdom/eslint

chore: soft introduce linting

.eslintignore

@@ -0,0 +1,34 @@
+dist
+coverage
+test/browserified.js
+browserified.js
+h.d.ts
+h.js
+h.js.map
+hooks.d.ts
+hooks.js
+hooks.js.map
+htmldomapi.d.ts
+htmldomapi.js
+htmldomapi.js.map
+is.d.ts
+is.js
+is.js.map
+snabbdom.bundle.d.ts
+snabbdom.bundle.js
+snabbdom.bundle.js.map
+snabbdom.d.ts
+snabbdom.js
+snabbdom.js.map
+thunk.d.ts
+thunk.js
+thunk.js.map
+tovnode.d.ts
+tovnode.js
+tovnode.js.map
+vnode.d.ts
+vnode.js
+vnode.js.map
+modules
+helpers
+es

.eslintrc.js

@@ -0,0 +1,56 @@
+module.exports = {
+  extends: 'standard-with-typescript',
+  parserOptions: { project: [ './tsconfig.json', ] },
+  rules: {
+    '@typescript-eslint/array-type': 'off',
+    '@typescript-eslint/brace-style': 'off',
+    '@typescript-eslint/consistent-type-assertions': 'off',
+    '@typescript-eslint/consistent-type-definitions': 'off',
+    '@typescript-eslint/explicit-function-return-type': 'off',
+    '@typescript-eslint/indent': 'off',
+    '@typescript-eslint/member-delimiter-style': 'off',
+    '@typescript-eslint/no-unnecessary-type-assertion': 'off',
+    '@typescript-eslint/no-unused-vars': 'off',
+    '@typescript-eslint/quotes': 'off',
+    '@typescript-eslint/restrict-plus-operands': 'off',
+    '@typescript-eslint/strict-boolean-expressions': 'off',
+    'array-bracket-spacing': 'off',
+    'block-spacing': 'off',
+    'brace-style': 'off',
+    'comma-dangle': 'off',
+    'comma-spacing': 'off',
+    'dot-notation': 'off',
+    'eol-last': 'off',
+    'import/first': 'off',
+    'key-spacing': 'off',
+    'keyword-spacing': 'off',
+    'no-mixed-operators': 'off',
+    'no-multi-spaces': 'off',
+    'no-sequences': 'off',
+    'no-tabs': 'off',
+    'no-trailing-spaces': 'off',
+    'no-undef': 'off',
+    'no-unneeded-ternary': 'off',
+    'no-unused-expressions': 'off',
+    'no-unused-vars': 'off',
+    'no-void': 'off',
+    'node/no-deprecated-api': 'off',
+    'object-curly-newline': 'off',
+    'object-curly-spacing': 'off',
+    'object-property-newline': 'off',
+    'one-var': 'off',
+    'padded-blocks': 'off',
+    'prefer-const': 'off',
+    'quote-props': 'off',
+    'semi-spacing': 'off',
+    'space-before-blocks': 'off',
+    'space-before-function-paren': 'off',
+    'space-infix-ops': 'off',
+    'spaced-comment': 'off',
+    curly: 'off',
+    eqeqeq: 'off',
+    indent: 'off',
+    quotes: 'off',
+    semi: 'off'
+  }
+}

.vscode/settings.json

@@ -0,0 +1,14 @@
+{
+  "eslint.validate": [
+    "javascript",
+    "javascriptreact",
+    {
+      "language": "typescript",
+      "autoFix": true
+    },
+    {
+      "language": "typescriptreact",
+      "autoFix": true
+    }
+  ]
+}

package.json

@@ -10,8 +10,15 @@
     "test": "test"
   },
   "devDependencies": {
+    "@typescript-eslint/eslint-plugin": "^2.7.0",
     "benchmark": "^2.1.4",
     "browserify": "^14.4.0",
+    "eslint": "^6.6.0",
+    "eslint-config-standard-with-typescript": "^11.0.1",
+    "eslint-plugin-import": "^2.18.2",
+    "eslint-plugin-node": "^10.0.0",
+    "eslint-plugin-promise": "^4.2.1",
+    "eslint-plugin-standard": "^4.0.1",
     "fake-raf": "1.0.1",
     "gulp": "^3.9.1",
     "gulp-clean": "^0.3.2",
@@ -27,12 +34,14 @@
     "karma-typescript": "^3.0.13",
     "knuth-shuffle": "^1.0.1",
     "mocha": "^5.2.0",
+    "npm-run-all": "^4.1.5",
     "typescript": "^3.0.3",
     "xyz": "2.1.0"
   },
   "scripts": {
-    "pretest": "npm run compile",
-    "test": "karma start",
+    "lint": "eslint --ext .js,.ts .",
+    "unit": "karma start",
+    "test": "run-s lint compile unit",
     "compile": "npm run compile-es && npm run compile-commonjs",
     "compile-es": "tsc --outDir es --module es6 --moduleResolution node",
     "compile-commonjs": "tsc --outDir ./",