⭐️New: Add vue/no-restricted-syntax rule (#758)

* ⭐️New: Add `vue/no-restricted-syntax` rule

Close #689

* ⭐️New: Add `vue/no-restricted-syntax` rule

Close #689

* fixed

docs/rules/README.md

@@ -144,6 +144,7 @@ For example:
 | [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/no-restricted-syntax](./no-restricted-syntax.md) | disallow specified syntax |  |
 | [vue/object-curly-spacing](./object-curly-spacing.md) | enforce consistent spacing inside braces | :wrench: |
 | [vue/require-direct-export](./require-direct-export.md) | require the component to be directly exported |  |
 | [vue/script-indent](./script-indent.md) | enforce consistent indentation in `<script>` | :wrench: |

docs/rules/no-restricted-syntax.md

@@ -0,0 +1,55 @@
+---
+pageClass: rule-details
+sidebarDepth: 0
+title: vue/no-restricted-syntax
+description: disallow specified syntax
+---
+# vue/no-restricted-syntax
+> disallow specified syntax
+
+This rule is the same rule as core [no-restricted-syntax] rule but it applies to the expressions in `<template>`.
+
+
+## :wrench: Options
+
+Please see [no-restricted-syntax] for detailed options.
+
+You can include the AST created by [vue-eslint-parser] in the selector.
+To know more about certain nodes in produced AST, please go [vue-eslint-parser - AST docs].
+
+### `"VElement > VExpressionContainer CallExpression"`
+
+Forbids call expressions inside mustache interpolation.
+
+<eslint-code-block :rules="{'vue/no-restricted-syntax': ['error', 'VElement > VExpressionContainer CallExpression']}">
+
+```vue
+<template>
+  <!-- ✔ GOOD -->
+  <div> {{ foo }} </div>
+  <div> {{ foo.bar }} </div>
+
+  <!-- ✘ BAD -->
+  <div> {{ foo() }} </div>
+  <div> {{ foo.bar() }} </div>
+  <div> {{ foo().bar }} </div>
+</template>
+```
+
+</eslint-code-block>
+
+## :books: Further reading
+
+- [no-restricted-syntax]
+- [ESTree]
+- [vue-eslint-parser]
+
+[no-restricted-syntax]: https://eslint.org/docs/rules/no-restricted-syntax
+[ESTree]: https://github.com/estree/estree
+[vue-eslint-parser]: https://github.com/mysticatea/vue-eslint-parser
+[vue-eslint-parser - AST docs]: https://github.com/mysticatea/vue-eslint-parser/blob/master/docs/ast.md
+
+## :mag: Implementation
+
+- [Rule source](https://github.com/vuejs/eslint-plugin-vue/blob/master/lib/rules/no-restricted-syntax.js)
+- [Test source](https://github.com/vuejs/eslint-plugin-vue/blob/master/tests/lib/rules/no-restricted-syntax.js)

lib/index.js

@@ -33,6 +33,7 @@ module.exports = {
     'no-multi-spaces': require('./rules/no-multi-spaces'),
     'no-parsing-error': require('./rules/no-parsing-error'),
     'no-reserved-keys': require('./rules/no-reserved-keys'),
+    'no-restricted-syntax': require('./rules/no-restricted-syntax'),
     'no-shared-component-data': require('./rules/no-shared-component-data'),
     'no-side-effects-in-computed-properties': require('./rules/no-side-effects-in-computed-properties'),
     'no-spaces-around-equal-signs-in-attribute': require('./rules/no-spaces-around-equal-signs-in-attribute'),

lib/rules/no-restricted-syntax.js

@@ -0,0 +1,9 @@
+/**
+ * @author Yosuke Ota
+ */
+'use strict'
+
+const { wrapCoreRule } = require('../utils')
+
+// eslint-disable-next-line
+module.exports = wrapCoreRule(require('eslint/lib/rules/no-restricted-syntax'))

tests/lib/rules/no-restricted-syntax.js

@@ -0,0 +1,118 @@
+/**
+ * @author Yosuke Ota
+ */
+'use strict'
+
+const RuleTester = require('eslint').RuleTester
+const rule = require('../../../lib/rules/no-restricted-syntax')
+
+const tester = new RuleTester({
+  parser: 'vue-eslint-parser',
+  parserOptions: { ecmaVersion: 2015 }
+})
+
+tester.run('no-restricted-syntax', rule, {
+  valid: [
+    {
+      code: `
+        <template>
+          <input :value="value">
+        </template>`,
+      options: [
+        {
+          'selector': 'CallExpression',
+          'message': 'Call expressions are not allowed.'
+        }
+      ]
+    }
+  ],
+  invalid: [
+    {
+      code: `
+        <template>
+          <input :value="value()">
+        </template>`,
+      options: [
+        {
+          'selector': 'CallExpression',
+          'message': 'Call expressions are not allowed.'
+        }
+      ],
+      errors: [
+        {
+          message: 'Call expressions are not allowed.',
+          line: 3,
+          column: 26,
+          endLine: 3,
+          endColumn: 33
+        }
+      ]
+    },
+
+    // Forbids call expressions inside mustache interpolation.
+    {
+      code: `
+        <template>
+          <div> {{ foo() }} </div>
+          <div> {{ foo.bar() }} </div>
+          <div> {{ foo().bar }} </div>
+        </template>`,
+      options: [
+        {
+          'selector': 'VElement > VExpressionContainer CallExpression',
+          'message': 'Call expressions are not allowed inside mustache interpolation.'
+        }
+      ],
+      errors: [
+        {
+          message: 'Call expressions are not allowed inside mustache interpolation.',
+          line: 3,
+          column: 20,
+          endLine: 3,
+          endColumn: 25
+        },
+        {
+          message: 'Call expressions are not allowed inside mustache interpolation.',
+          line: 4,
+          column: 20,
+          endLine: 4,
+          endColumn: 29
+        },
+        {
+          message: 'Call expressions are not allowed inside mustache interpolation.',
+          line: 5,
+          column: 20,
+          endLine: 5,
+          endColumn: 25
+        }
+      ]
+    },
+
+    // Sample source code on issue 689
+    {
+      code: `
+      <template>
+        <div :foo="$gettext(\`bar\`)">{{$gettext(\`bar\`)}}</div>
+      </template>`,
+      options: [
+        "CallExpression[callee.type='Identifier'][callee.name='$gettext'] TemplateLiteral"
+      ],
+      errors: [
+        {
+          message: 'Using \'CallExpression[callee.type=\'Identifier\'][callee.name=\'$gettext\'] TemplateLiteral\' is not allowed.',
+          line: 3,
+          column: 29,
+          endLine: 3,
+          endColumn: 34
+        },
+        {
+          message: 'Using \'CallExpression[callee.type=\'Identifier\'][callee.name=\'$gettext\'] TemplateLiteral\' is not allowed.',
+          line: 3,
+          column: 48,
+          endLine: 3,
+          endColumn: 53
+        }
+      ]
+    }
+  ]
+})