[eslint config] [base] [breaking] enable overlooked rules:

 - `linebreak-style`
 - `new-parens`
 - `no-continue`
 - `no-lonely-if`
 - `operator-assignment`
 - `space-unary-ops`
 - `dot-location`
 - `no-extra-boolean-cast`
 - `no-this-before-super`
 - `require-yield`
 - `no-path-concat`
 - `no-label-var`

Author: ljharb

packages/eslint-config-airbnb-base/rules/best-practices.js

@@ -26,7 +26,8 @@ module.exports = {
     'dot-notation': [2, { allowKeywords: true }],
 
     // enforces consistent newlines before or after dots
-    'dot-location': 0,
+    // http://eslint.org/docs/rules/dot-location
+    'dot-location': [2, 'property'],
 
     // require the use of === and !==
     // http://eslint.org/docs/rules/eqeqeq
@@ -46,6 +47,7 @@ module.exports = {
     'no-case-declarations': 2,
 
     // disallow division operators explicitly at beginning of regular expression
+    // http://eslint.org/docs/rules/no-div-regex
     'no-div-regex': 0,
 
     // disallow else after a return in an if
@@ -87,8 +89,14 @@ module.exports = {
     // disallow the use of leading or trailing decimal points in numeric literals
     'no-floating-decimal': 2,
 
-    // disallow the type conversions with shorter notations
-    'no-implicit-coercion': 0,
+    // disallow implicit type conversions
+    // http://eslint.org/docs/rules/no-implicit-coercion
+    'no-implicit-coercion': [0, {
+      boolean: false,
+      number: true,
+      string: true,
+      allow: [],
+    }],
 
     // disallow var and named functions in global scope
     // http://eslint.org/docs/rules/no-implicit-globals
@@ -199,6 +207,8 @@ module.exports = {
     'no-useless-escape': 2,
 
     // disallow use of void operator
+    // http://eslint.org/docs/rules/no-void
+    // TODO: enable
     'no-void': 0,
 
     // disallow usage of configurable warning terms in comments: e.g. todo

packages/eslint-config-airbnb-base/rules/errors.js

@@ -37,7 +37,8 @@ module.exports = {
     'no-ex-assign': 2,
 
     // disallow double-negation boolean casts in a boolean context
-    'no-extra-boolean-cast': 0,
+    // http://eslint.org/docs/rules/no-extra-boolean-cast
+    'no-extra-boolean-cast': 2,
 
     // disallow unnecessary parentheses
     // http://eslint.org/docs/rules/no-extra-parens
@@ -79,6 +80,8 @@ module.exports = {
     'no-sparse-arrays': 2,
 
     // Avoid code that looks like two expressions but is actually one
+    // http://eslint.org/docs/rules/no-unexpected-multiline
+    // TODO: enable?
     'no-unexpected-multiline': 0,
 
     // disallow unreachable statements after a return, throw, continue, or break statement

packages/eslint-config-airbnb-base/rules/es6.js

@@ -60,7 +60,8 @@ module.exports = {
     'no-restricted-imports': 0,
 
     // disallow to use this/super before super() calling in constructors.
-    'no-this-before-super': 0,
+    // http://eslint.org/docs/rules/no-this-before-super
+    'no-this-before-super': 2,
 
     // disallow useless computed property keys
     // http://eslint.org/docs/rules/no-useless-computed-key
@@ -101,21 +102,25 @@ module.exports = {
     }],
 
     // suggest using Reflect methods where applicable
+    // http://eslint.org/docs/rules/prefer-reflect
+    // TODO: enable
     'prefer-reflect': 0,
 
     // use rest parameters instead of arguments
     // http://eslint.org/docs/rules/prefer-rest-params
     'prefer-rest-params': 2,
 
     // suggest using the spread operator instead of .apply()
+    // http://eslint.org/docs/rules/prefer-spread
     'prefer-spread': 0,
 
     // suggest using template literals instead of string concatenation
     // http://eslint.org/docs/rules/prefer-template
     'prefer-template': 2,
 
     // disallow generator functions that do not have yield
-    'require-yield': 0,
+    // http://eslint.org/docs/rules/require-yield
+    'require-yield': 2,
 
     // enforce spacing between object rest-spread
     // http://eslint.org/docs/rules/rest-spread-spacing

packages/eslint-config-airbnb-base/rules/node.js

@@ -21,7 +21,8 @@ module.exports = {
     'no-new-require': 0,
 
     // disallow string concatenation with __dirname and __filename
-    'no-path-concat': 0,
+    // http://eslint.org/docs/rules/no-path-concat
+    'no-path-concat': 2,
 
     // disallow use of process.env
     'no-process-env': 0,
@@ -33,6 +34,6 @@ module.exports = {
     'no-restricted-modules': 0,
 
     // disallow use of synchronous methods (off by default)
-    'no-sync': 0
+    'no-sync': 0,
   }
 };

packages/eslint-config-airbnb-base/rules/style.js

@@ -68,7 +68,8 @@ module.exports = {
     }],
 
     // disallow mixed 'LF' and 'CRLF' as linebreaks
-    'linebreak-style': 0,
+    // http://eslint.org/docs/rules/linebreak-style
+    'linebreak-style': [2, 'unix'],
 
     // enforces empty lines around comments
     'lines-around-comment': 0,
@@ -108,7 +109,8 @@ module.exports = {
     'new-cap': [2, { newIsCap: true }],
 
     // disallow the omission of parentheses when invoking a constructor with no arguments
-    'new-parens': 0,
+    // http://eslint.org/docs/rules/new-parens
+    'new-parens': 2,
 
     // allow/disallow an empty newline after var statement
     'newline-after-var': 0,
@@ -125,16 +127,20 @@ module.exports = {
     'no-array-constructor': 2,
 
     // disallow use of bitwise operators
+    // http://eslint.org/docs/rules/no-bitwise
+    // TODO: enable
     'no-bitwise': 0,
 
     // disallow use of the continue statement
-    'no-continue': 0,
+    // http://eslint.org/docs/rules/no-continue
+    'no-continue': 2,
 
     // disallow comments inline after code
     'no-inline-comments': 0,
 
     // disallow if as the only statement in an else block
-    'no-lonely-if': 0,
+    // http://eslint.org/docs/rules/no-lonely-if
+    'no-lonely-if': 2,
 
     // disallow un-paren'd mixes of different operators
     // http://eslint.org/docs/rules/no-mixed-operators
@@ -224,7 +230,8 @@ module.exports = {
     'one-var-declaration-per-line': [2, 'always'],
 
     // require assignment operator shorthand where possible or prohibit it entirely
-    'operator-assignment': 0,
+    // http://eslint.org/docs/rules/operator-assignment
+    'operator-assignment': [2, 'always'],
 
     // enforce operators to be placed before or after line breaks
     'operator-linebreak': 0,
@@ -266,7 +273,13 @@ module.exports = {
     'space-infix-ops': 2,
 
     // Require or disallow spaces before/after unary operators
-    'space-unary-ops': 0,
+    // http://eslint.org/docs/rules/space-unary-ops
+    'space-unary-ops': [2, {
+      words: true,
+      nonwords: false,
+      overrides: {
+      },
+    }],
 
     // require or disallow a space immediately following the // or /* in a comment
     'spaced-comment': [2, 'always', {

packages/eslint-config-airbnb-base/rules/variables.js

@@ -10,7 +10,8 @@ module.exports = {
     'no-delete-var': 2,
 
     // disallow labels that share a name with a variable
-    'no-label-var': 0,
+    // http://eslint.org/docs/rules/no-label-var
+    'no-label-var': 2,
 
     // disallow specific globals
     'no-restricted-globals': 0,