Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Add vue/no-deprecated-dollar-listeners-api rule #1133

Merged
merged 1 commit into from May 16, 2020
Merged
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Jump to
Jump to file
Failed to load files.
Diff view
Diff view
1 change: 1 addition & 0 deletions docs/rules/README.md
Expand Up @@ -40,6 +40,7 @@ Enforce all the rules in this category, as well as all higher priority rules, wi
|:--------|:------------|:---|
| [vue/no-async-in-computed-properties](./no-async-in-computed-properties.md) | disallow asynchronous actions in computed properties | |
| [vue/no-deprecated-data-object-declaration](./no-deprecated-data-object-declaration.md) | disallow using deprecated object declaration on data (in Vue.js 3.0.0+) | :wrench: |
| [vue/no-deprecated-dollar-listeners-api](./no-deprecated-dollar-listeners-api.md) | disallow using deprecated `$listeners` (in Vue.js 3.0.0+) | |
| [vue/no-deprecated-events-api](./no-deprecated-events-api.md) | disallow using deprecated events api (in Vue.js 3.0.0+) | |
| [vue/no-deprecated-filter](./no-deprecated-filter.md) | disallow using deprecated filters syntax (in Vue.js 3.0.0+) | |
| [vue/no-deprecated-functional-template](./no-deprecated-functional-template.md) | disallow using deprecated the `functional` template (in Vue.js 3.0.0+) | |
Expand Down
51 changes: 51 additions & 0 deletions docs/rules/no-deprecated-dollar-listeners-api.md
@@ -0,0 +1,51 @@
---
pageClass: rule-details
sidebarDepth: 0
title: vue/no-deprecated-dollar-listeners-api
description: disallow using deprecated `$listeners` (in Vue.js 3.0.0+)
---
# vue/no-deprecated-dollar-listeners-api
> disallow using deprecated `$listeners` (in Vue.js 3.0.0+)

- :gear: This rule is included in all of `"plugin:vue/vue3-essential"`, `"plugin:vue/vue3-strongly-recommended"` and `"plugin:vue/vue3-recommended"`.

## :book: Rule Details

This rule reports use of deprecated `$listeners`. (in Vue.js 3.0.0+).

<eslint-code-block :rules="{'vue/no-deprecated-dollar-listeners-api': ['error']}">

```vue
<template>
<!-- ✗ BAD -->
<MyInput v-on="$listeners">
</template>
<script>
export default {
computed: {
listeners() {
return {
/* ✗ BAD */
...this.$listeners,
input() { /* */ }
}
}
}
}
</script>
```

</eslint-code-block>

## :wrench: Options

Nothing.

## :books: Further reading

- [Vue RFCs - 0031-attr-fallthrough](https://github.com/vuejs/rfcs/blob/master/active-rfcs/0031-attr-fallthrough.md)

## :mag: Implementation

- [Rule source](https://github.com/vuejs/eslint-plugin-vue/blob/master/lib/rules/no-deprecated-dollar-listeners-api.js)
- [Test source](https://github.com/vuejs/eslint-plugin-vue/blob/master/tests/lib/rules/no-deprecated-dollar-listeners-api.js)
1 change: 1 addition & 0 deletions lib/configs/vue3-essential.js
Expand Up @@ -8,6 +8,7 @@ module.exports = {
rules: {
'vue/no-async-in-computed-properties': 'error',
'vue/no-deprecated-data-object-declaration': 'error',
'vue/no-deprecated-dollar-listeners-api': 'error',
'vue/no-deprecated-events-api': 'error',
'vue/no-deprecated-filter': 'error',
'vue/no-deprecated-functional-template': 'error',
Expand Down
1 change: 1 addition & 0 deletions lib/index.js
Expand Up @@ -41,6 +41,7 @@ module.exports = {
'no-confusing-v-for-v-if': require('./rules/no-confusing-v-for-v-if'),
'no-custom-modifiers-on-v-model': require('./rules/no-custom-modifiers-on-v-model'),
'no-deprecated-data-object-declaration': require('./rules/no-deprecated-data-object-declaration'),
'no-deprecated-dollar-listeners-api': require('./rules/no-deprecated-dollar-listeners-api'),
'no-deprecated-events-api': require('./rules/no-deprecated-events-api'),
'no-deprecated-filter': require('./rules/no-deprecated-filter'),
'no-deprecated-functional-template': require('./rules/no-deprecated-functional-template'),
Expand Down
65 changes: 65 additions & 0 deletions lib/rules/no-deprecated-dollar-listeners-api.js
@@ -0,0 +1,65 @@
/**
* @author Yosuke Ota
* See LICENSE file in root directory for full license.
*/
'use strict'

// ------------------------------------------------------------------------------
// Requirements
// ------------------------------------------------------------------------------

const utils = require('../utils')

// ------------------------------------------------------------------------------
// Rule Definition
// ------------------------------------------------------------------------------

module.exports = {
meta: {
type: 'problem',
docs: {
description: 'disallow using deprecated `$listeners` (in Vue.js 3.0.0+)',
categories: ['vue3-essential'],
url: 'https://eslint.vuejs.org/rules/no-deprecated-dollar-listeners-api.html'
},
fixable: null,
schema: [],
messages: {
deprecated: 'The `$listeners` is deprecated.'
}
},

create (context) {
return utils.defineTemplateBodyVisitor(
context,
{
'VExpressionContainer' (node) {
for (const reference of node.references) {
if (reference.variable != null) {
// Not vm reference
continue
}
if (reference.id.name === '$listeners') {
context.report({
node: reference.id,
messageId: 'deprecated'
})
}
}
}
},
utils.defineVueVisitor(context,
{
'MemberExpression > ThisExpression' (node) {
if (node.parent.property.name !== '$listeners') return

context.report({
node: node.parent.property,
messageId: 'deprecated'
})
}
}
)
)
}
}
184 changes: 184 additions & 0 deletions tests/lib/rules/no-deprecated-dollar-listeners-api.js
@@ -0,0 +1,184 @@
/**
* @author Yosuke Ota
* See LICENSE file in root directory for full license.
*/
'use strict'

// ------------------------------------------------------------------------------
// Requirements
// ------------------------------------------------------------------------------

const rule = require('../../../lib/rules/no-deprecated-dollar-listeners-api')

const RuleTester = require('eslint').RuleTester

// ------------------------------------------------------------------------------
// Tests
// ------------------------------------------------------------------------------

const ruleTester = new RuleTester({
parser: require.resolve('vue-eslint-parser'),
parserOptions: { ecmaVersion: 2018, sourceType: 'module' }
})
ruleTester.run('no-deprecated-dollar-listeners-api', rule, {

valid: [
{
filename: 'test.vue',
code: `
<template>
<div v-bind="$attrs"/>
</template>
<script>
export default {
mounted () {
this.$emit('start')
}
}
</script>
`
},
{
filename: 'test.vue',
code: `
<script>
export default {
methods: {
click () {
this.$emit('click')
}
}
}
</script>
`
},
{
filename: 'test.vue',
code: `
<script>
export default {
}
const another = function () {
console.log(this.$listeners)
}
</script>
`
},
{
filename: 'test.vue',
code: `
<template>
<div foo="$listeners"/>
</template>
`
},
{
filename: 'test.vue',
code: `
<template>
<div v-on="() => {
function click ($listeners) {
fn(foo.$listeners)
fn($listeners)
}
}"/>
<div v-for="$listeners in list">
<div v-on="$listeners">
</div>
<VueComp>
<template v-slot="{$listeners}">
<div v-on="$listeners">
</template>
</VueComp>
</template>
<script>
export default {
methods: {
click ($listeners) {
foo.$listeners
}
}
}
</script>
`
}
],

invalid: [
{
filename: 'test.vue',
code: `
<template>
<div v-on="$listeners"/>
</template>
<script>
export default {
computed: {
foo () {
return this.$listeners
}
}
}
</script>
`,
errors: [
{
line: 3,
column: 22,
messageId: 'deprecated',
endLine: 3,
endColumn: 32
},
{
line: 9,
column: 27,
messageId: 'deprecated',
endLine: 9,
endColumn: 37
}
]
},

{
filename: 'test.vue',
code: `
<template>
<div v-for="listener in $listeners"/>
<div :foo="$listeners"/>
</template>
<script>
export default {
computed: {
foo () {
fn(this.$listeners)
}
}
}
</script>
`,
errors: [
{
line: 3,
column: 35,
messageId: 'deprecated',
endLine: 3,
endColumn: 45
},
{
line: 4,
column: 22,
messageId: 'deprecated',
endLine: 4,
endColumn: 32
},
{
line: 10,
column: 23,
messageId: 'deprecated',
endLine: 10,
endColumn: 33
}
]
}
]
})
1 change: 0 additions & 1 deletion tests/lib/rules/no-deprecated-events-api.js
@@ -1,4 +1,3 @@
/* eslint-disable eslint-plugin/consistent-output */
/**
* @fileoverview disallow using deprecated events api
* @author yoyo930021
Expand Down