Merge pull request #60 from matrix-org/hs/eslint

ESLint

.eslintrc

@@ -0,0 +1,102 @@
+// taken from https://github.com/matrix-org/matrix-appservice-irc/blob/d69e4d1c40f9856812c948e4dc17e7747273fd67/.eslintrc
+{
+    "parser": "@typescript-eslint/parser",
+    "plugins": [
+        "@typescript-eslint"
+    ],
+    "parserOptions": {
+      "ecmaVersion": 9,
+      "ecmaFeatures": {
+        "jsx": false
+      }
+    },
+    "env": {
+      "node": true,
+      "es6": true,
+      "jasmine": true
+    },
+    "extends": [
+      "eslint:recommended",
+      "plugin:@typescript-eslint/recommended"
+    ],
+    "rules": {
+      "camelcase": 0,
+      "consistent-return": "off",
+      "curly": 1,
+      "default-case": 2,
+      "guard-for-in": 2,
+      "no-alert": 2,
+      "no-caller": 2,
+      "no-cond-assign": 2,
+      "no-constant-condition": 0,
+      "no-debugger": 2,
+      "no-dupe-args": 2,
+      "no-dupe-keys": 2,
+      "no-duplicate-case": 2,
+      "no-else-return": 2,
+      "no-empty": 2,
+      "no-empty-character-class": 2,
+      "no-eq-null": 2,
+      "no-ex-assign": 2,
+      "no-extend-native": 2,
+      "no-extra-boolean-cast": 2,
+      "no-extra-semi": 1,
+      "no-fallthrough": 2,
+      "no-func-assign": 2,
+      "no-invalid-regexp": 2,
+      "no-invalid-this": 2,
+      "no-irregular-whitespace": 1,
+      "no-lone-blocks": 2,
+      "no-loop-func": 2,
+      "no-multi-spaces": 1,
+      "no-new-wrappers": 2,
+      "no-new": 2,
+      "no-octal": 2,
+      "no-negated-in-lhs": 2,
+      "no-obj-calls": 2,
+      "no-redeclare": 2,
+      "no-regex-spaces": 2,
+      "no-return-assign": 2,
+      "no-self-compare": 2,
+      "no-shadow": "off",
+      "no-unreachable": 2,
+      "no-unexpected-multiline": 2,
+      "no-unused-expressions": 2,
+      "no-use-before-define": [1, "nofunc"],
+      "no-useless-escape": 0,
+      "no-var": 2,
+      "use-isnan": 2,
+      "valid-typeof": 2,
+      "array-bracket-spacing": [1, "never"],
+      "max-len": [1, 120],
+      "brace-style": [1, "stroustrup", { "allowSingleLine": true }],
+      "comma-spacing": [1, {"before": false, "after": true}],
+      "comma-style": [1, "last"],
+      "computed-property-spacing": [1, "never"],
+      "consistent-this": [1, "self"],
+      "eol-last": 1,
+      "new-cap": 0,
+      "new-parens": 1,
+      "no-mixed-spaces-and-tabs": 1,
+      "no-nested-ternary": 1,
+      "no-spaced-func": 1,
+      "no-trailing-spaces": 1,
+      "keyword-spacing": [1, {"before": true, "after": true}],
+      "space-before-blocks": [1, "always"],
+      "@typescript-eslint/ban-ts-ignore": 0,
+      "@typescript-eslint/explicit-function-return-type": 0,
+      "@typescript-eslint/explicit-module-boundary-types": 0,
+      "@typescript-eslint/no-shadow": ["error"],
+      "no-unused-vars": 0, // covered by @typescript-eslint/no-unused-vars
+      "strict": ["error", "never" ],
+      "eqeqeq": 2,
+      "prefer-const": 2,
+      "indent": ["error", 4, {
+        "FunctionDeclaration": {"parameters": "first"},
+        "FunctionExpression": {"parameters": "first"},
+        "SwitchCase": 1}
+      ],
+      "no-control-regex": "off",
+    }
+  }
+