New: some core rules for <template> (#680)

* add core rule wrapper
* add `array-bracket-spacing` rule
* add `key-spacing` rule
* add `eqeqeq` rule
* add `object-curly-spacing` rule
* add `space-infix-ops` rule
* add `space-unary-ops` rule
* switch error messages for minimal version tests

Author: mysticatea

Diff for: docs/rules/README.md

@@ -132,16 +132,22 @@ For example:
 ```json
 {
   "rules": {
-    "vue/component-name-in-template-casing": "error"
+    "vue/array-bracket-spacing": "error"
   }
 }
 ```
 
 | Rule ID | Description |    |
 |:--------|:------------|:---|
+| [vue/array-bracket-spacing](./array-bracket-spacing.md) | enforce consistent spacing inside array brackets | :wrench: |
 | [vue/component-name-in-template-casing](./component-name-in-template-casing.md) | enforce specific casing for the component naming style in template | :wrench: |
+| [vue/eqeqeq](./eqeqeq.md) | require the use of `===` and `!==` | :wrench: |
+| [vue/key-spacing](./key-spacing.md) | enforce consistent spacing between keys and values in object literal properties | :wrench: |
 | [vue/match-component-file-name](./match-component-file-name.md) | require component name property to match its file name |  |
+| [vue/object-curly-spacing](./object-curly-spacing.md) | enforce consistent spacing inside braces | :wrench: |
 | [vue/script-indent](./script-indent.md) | enforce consistent indentation in `<script>` | :wrench: |
+| [vue/space-infix-ops](./space-infix-ops.md) | require spacing around infix operators | :wrench: |
+| [vue/space-unary-ops](./space-unary-ops.md) | enforce consistent spacing before or after unary operators | :wrench: |
 
 ## Deprecated
 

Diff for: docs/rules/array-bracket-spacing.md

@@ -0,0 +1,23 @@
+---
+pageClass: rule-details
+sidebarDepth: 0
+title: vue/array-bracket-spacing
+description: enforce consistent spacing inside array brackets
+---
+# vue/array-bracket-spacing
+> enforce consistent spacing inside array brackets
+
+- :wrench: The `--fix` option on the [command line](https://eslint.org/docs/user-guide/command-line-interface#fixing-problems) can automatically fix some of the problems reported by this rule.
+
+This rule is the same rule as core [array-bracket-spacing] rule but it applies to the expressions in `<template>`.
+
+## :books: Further reading
+
+- [array-bracket-spacing]
+
+[array-bracket-spacing]: https://eslint.org/docs/rules/array-bracket-spacing
+
+## :mag: Implementation
+
+- [Rule source](https://github.com/vuejs/eslint-plugin-vue/blob/master/lib/rules/array-bracket-spacing.js)
+- [Test source](https://github.com/vuejs/eslint-plugin-vue/blob/master/tests/lib/rules/array-bracket-spacing.js)

Diff for: docs/rules/eqeqeq.md

@@ -0,0 +1,23 @@
+---
+pageClass: rule-details
+sidebarDepth: 0
+title: vue/eqeqeq
+description: require the use of `===` and `!==`
+---
+# vue/eqeqeq
+> require the use of `===` and `!==`
+
+- :wrench: The `--fix` option on the [command line](https://eslint.org/docs/user-guide/command-line-interface#fixing-problems) can automatically fix some of the problems reported by this rule.
+
+This rule is the same rule as core [eqeqeq] rule but it applies to the expressions in `<template>`.
+
+## :books: Further reading
+
+- [eqeqeq]
+
+[eqeqeq]: https://eslint.org/docs/rules/eqeqeq
+
+## :mag: Implementation
+
+- [Rule source](https://github.com/vuejs/eslint-plugin-vue/blob/master/lib/rules/eqeqeq.js)
+- [Test source](https://github.com/vuejs/eslint-plugin-vue/blob/master/tests/lib/rules/eqeqeq.js)

Diff for: docs/rules/key-spacing.md

@@ -0,0 +1,23 @@
+---
+pageClass: rule-details
+sidebarDepth: 0
+title: vue/key-spacing
+description: enforce consistent spacing between keys and values in object literal properties
+---
+# vue/key-spacing
+> enforce consistent spacing between keys and values in object literal properties
+
+- :wrench: The `--fix` option on the [command line](https://eslint.org/docs/user-guide/command-line-interface#fixing-problems) can automatically fix some of the problems reported by this rule.
+
+This rule is the same rule as core [key-spacing] rule but it applies to the expressions in `<template>`.
+
+## :books: Further reading
+
+- [key-spacing]
+
+[key-spacing]: https://eslint.org/docs/rules/key-spacing
+
+## :mag: Implementation
+
+- [Rule source](https://github.com/vuejs/eslint-plugin-vue/blob/master/lib/rules/key-spacing.js)
+- [Test source](https://github.com/vuejs/eslint-plugin-vue/blob/master/tests/lib/rules/key-spacing.js)

Diff for: docs/rules/object-curly-spacing.md

@@ -0,0 +1,23 @@
+---
+pageClass: rule-details
+sidebarDepth: 0
+title: vue/object-curly-spacing
+description: enforce consistent spacing inside braces
+---
+# vue/object-curly-spacing
+> enforce consistent spacing inside braces
+
+- :wrench: The `--fix` option on the [command line](https://eslint.org/docs/user-guide/command-line-interface#fixing-problems) can automatically fix some of the problems reported by this rule.
+
+This rule is the same rule as core [object-curly-spacing] rule but it applies to the expressions in `<template>`.
+
+## :books: Further reading
+
+- [object-curly-spacing]
+
+[object-curly-spacing]: https://eslint.org/docs/rules/object-curly-spacing
+
+## :mag: Implementation
+
+- [Rule source](https://github.com/vuejs/eslint-plugin-vue/blob/master/lib/rules/object-curly-spacing.js)
+- [Test source](https://github.com/vuejs/eslint-plugin-vue/blob/master/tests/lib/rules/object-curly-spacing.js)

Diff for: docs/rules/space-infix-ops.md

@@ -0,0 +1,23 @@
+---
+pageClass: rule-details
+sidebarDepth: 0
+title: vue/space-infix-ops
+description: require spacing around infix operators
+---
+# vue/space-infix-ops
+> require spacing around infix operators
+
+- :wrench: The `--fix` option on the [command line](https://eslint.org/docs/user-guide/command-line-interface#fixing-problems) can automatically fix some of the problems reported by this rule.
+
+This rule is the same rule as core [space-infix-ops] rule but it applies to the expressions in `<template>`.
+
+## :books: Further reading
+
+- [space-infix-ops]
+
+[space-infix-ops]: https://eslint.org/docs/rules/space-infix-ops
+
+## :mag: Implementation
+
+- [Rule source](https://github.com/vuejs/eslint-plugin-vue/blob/master/lib/rules/space-infix-ops.js)
+- [Test source](https://github.com/vuejs/eslint-plugin-vue/blob/master/tests/lib/rules/space-infix-ops.js)

Diff for: docs/rules/space-unary-ops.md

@@ -0,0 +1,23 @@
+---
+pageClass: rule-details
+sidebarDepth: 0
+title: vue/space-unary-ops
+description: enforce consistent spacing before or after unary operators
+---
+# vue/space-unary-ops
+> enforce consistent spacing before or after unary operators
+
+- :wrench: The `--fix` option on the [command line](https://eslint.org/docs/user-guide/command-line-interface#fixing-problems) can automatically fix some of the problems reported by this rule.
+
+This rule is the same rule as core [space-unary-ops] rule but it applies to the expressions in `<template>`.
+
+## :books: Further reading
+
+- [space-unary-ops]
+
+[space-unary-ops]: https://eslint.org/docs/rules/space-unary-ops
+
+## :mag: Implementation
+
+- [Rule source](https://github.com/vuejs/eslint-plugin-vue/blob/master/lib/rules/space-unary-ops.js)
+- [Test source](https://github.com/vuejs/eslint-plugin-vue/blob/master/tests/lib/rules/space-unary-ops.js)

Diff for: eslint-internal-rules/consistent-docs-description.js

@@ -23,14 +23,15 @@ const ALLOWED_FIRST_WORDS = [
  * @returns {ASTNode} The Property node or null if not found.
  */
 function getPropertyFromObject (property, node) {
-  const properties = node.properties
+  if (node && node.type === 'ObjectExpression') {
+    const properties = node.properties
 
-  for (let i = 0; i < properties.length; i++) {
-    if (properties[i].key.name === property) {
-      return properties[i]
+    for (let i = 0; i < properties.length; i++) {
+      if (properties[i].key.name === property) {
+        return properties[i]
+      }
     }
   }
-
   return null
 }
 
@@ -128,7 +129,8 @@ module.exports = {
             node.right &&
             node.left.type === 'MemberExpression' &&
             node.left.object.name === 'module' &&
-            node.left.property.name === 'exports') {
+            node.left.property.name === 'exports' &&
+            node.right.type === 'ObjectExpression') {
           checkMetaDocsDescription(context, node.right)
         }
       }

Diff for: eslint-internal-rules/no-invalid-meta.js

@@ -17,14 +17,15 @@
  * @returns {ASTNode} The Property node or null if not found.
  */
 function getPropertyFromObject (property, node) {
-  const properties = node.properties
+  if (node && node.type === 'ObjectExpression') {
+    const properties = node.properties
 
-  for (let i = 0; i < properties.length; i++) {
-    if (properties[i].key.name === property) {
-      return properties[i]
+    for (let i = 0; i < properties.length; i++) {
+      if (properties[i].key.name === property) {
+        return properties[i]
+      }
     }
   }
-
   return null
 }
 

Diff for: lib/configs/no-layout-rules.js

@@ -5,17 +5,22 @@
  */
 module.exports = {
   rules: {
+    'vue/array-bracket-spacing': 'off',
     'vue/html-closing-bracket-newline': 'off',
     'vue/html-closing-bracket-spacing': 'off',
     'vue/html-indent': 'off',
     'vue/html-quotes': 'off',
     'vue/html-self-closing': 'off',
+    'vue/key-spacing': 'off',
     'vue/max-attributes-per-line': 'off',
     'vue/multiline-html-element-content-newline': 'off',
     'vue/mustache-interpolation-spacing': 'off',
     'vue/no-multi-spaces': 'off',
     'vue/no-spaces-around-equal-signs-in-attribute': 'off',
+    'vue/object-curly-spacing': 'off',
     'vue/script-indent': 'off',
-    'vue/singleline-html-element-content-newline': 'off'
+    'vue/singleline-html-element-content-newline': 'off',
+    'vue/space-infix-ops': 'off',
+    'vue/space-unary-ops': 'off'
   }
 }

Diff for: lib/index.js

@@ -7,17 +7,20 @@
 
 module.exports = {
   rules: {
+    'array-bracket-spacing': require('./rules/array-bracket-spacing'),
     'attribute-hyphenation': require('./rules/attribute-hyphenation'),
     'attributes-order': require('./rules/attributes-order'),
     'comment-directive': require('./rules/comment-directive'),
     'component-name-in-template-casing': require('./rules/component-name-in-template-casing'),
+    'eqeqeq': require('./rules/eqeqeq'),
     'html-closing-bracket-newline': require('./rules/html-closing-bracket-newline'),
     'html-closing-bracket-spacing': require('./rules/html-closing-bracket-spacing'),
     'html-end-tags': require('./rules/html-end-tags'),
     'html-indent': require('./rules/html-indent'),
     'html-quotes': require('./rules/html-quotes'),
     'html-self-closing': require('./rules/html-self-closing'),
     'jsx-uses-vars': require('./rules/jsx-uses-vars'),
+    'key-spacing': require('./rules/key-spacing'),
     'match-component-file-name': require('./rules/match-component-file-name'),
     'max-attributes-per-line': require('./rules/max-attributes-per-line'),
     'multiline-html-element-content-newline': require('./rules/multiline-html-element-content-newline'),
@@ -40,6 +43,7 @@ module.exports = {
     'no-unused-vars': require('./rules/no-unused-vars'),
     'no-use-v-if-with-v-for': require('./rules/no-use-v-if-with-v-for'),
     'no-v-html': require('./rules/no-v-html'),
+    'object-curly-spacing': require('./rules/object-curly-spacing'),
     'order-in-components': require('./rules/order-in-components'),
     'prop-name-casing': require('./rules/prop-name-casing'),
     'require-component-is': require('./rules/require-component-is'),
@@ -52,6 +56,8 @@ module.exports = {
     'return-in-computed-property': require('./rules/return-in-computed-property'),
     'script-indent': require('./rules/script-indent'),
     'singleline-html-element-content-newline': require('./rules/singleline-html-element-content-newline'),
+    'space-infix-ops': require('./rules/space-infix-ops'),
+    'space-unary-ops': require('./rules/space-unary-ops'),
     'this-in-template': require('./rules/this-in-template'),
     'use-v-on-exact': require('./rules/use-v-on-exact'),
     'v-bind-style': require('./rules/v-bind-style'),

Diff for: lib/rules/array-bracket-spacing.js

@@ -0,0 +1,9 @@
+/**
+ * @author Toru Nagashima
+ */
+'use strict'
+
+const { wrapCoreRule } = require('../utils')
+
+// eslint-disable-next-line
+module.exports = wrapCoreRule(require('eslint/lib/rules/array-bracket-spacing'))

Diff for: lib/rules/eqeqeq.js

@@ -0,0 +1,9 @@
+/**
+ * @author Toru Nagashima
+ */
+'use strict'
+
+const { wrapCoreRule } = require('../utils')
+
+// eslint-disable-next-line
+module.exports = wrapCoreRule(require('eslint/lib/rules/eqeqeq'))

Diff for: lib/rules/key-spacing.js

@@ -0,0 +1,9 @@
+/**
+ * @author Toru Nagashima
+ */
+'use strict'
+
+const { wrapCoreRule } = require('../utils')
+
+// eslint-disable-next-line
+module.exports = wrapCoreRule(require('eslint/lib/rules/key-spacing'))

Diff for: lib/rules/object-curly-spacing.js

@@ -0,0 +1,9 @@
+/**
+ * @author Toru Nagashima
+ */
+'use strict'
+
+const { wrapCoreRule } = require('../utils')
+
+// eslint-disable-next-line
+module.exports = wrapCoreRule(require('eslint/lib/rules/object-curly-spacing'))

Diff for: lib/rules/space-infix-ops.js

@@ -0,0 +1,9 @@
+/**
+ * @author Toru Nagashima
+ */
+'use strict'
+
+const { wrapCoreRule } = require('../utils')
+
+// eslint-disable-next-line
+module.exports = wrapCoreRule(require('eslint/lib/rules/space-infix-ops'))

Diff for: lib/rules/space-unary-ops.js

@@ -0,0 +1,9 @@
+/**
+ * @author Toru Nagashima
+ */
+'use strict'
+
+const { wrapCoreRule } = require('../utils')
+
+// eslint-disable-next-line
+module.exports = wrapCoreRule(require('eslint/lib/rules/space-unary-ops'))