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eslint-plugin-promise

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Comparing version 6.1.1 to 6.2.0

rules/lib/eslint-compat.js

33

package.json
{
"name": "eslint-plugin-promise",
"version": "6.1.1",
"version": "6.2.0",
"description": "Enforce best practices for JavaScript promises",

@@ -26,5 +26,8 @@ "keywords": [

"format": "prettier --write .",
"lint": "eslint --report-unused-disable-directives .",
"lint": "npm-run-all \"lint:*\"",
"lint:eslint-docs": "npm run update:eslint-docs && git diff --exit-code",
"lint:js": "eslint --report-unused-disable-directives .",
"prepare": "husky install",
"test": "jest --coverage"
"test": "jest --coverage",
"update:eslint-docs": "eslint-doc-generator && npm run format"
},

@@ -56,9 +59,18 @@ "lint-staged": {

}
}
},
"collectCoverageFrom": [
"rules/*.js",
"rules/*/*.js",
"!rules/lib/eslint-compat.js"
],
"testPathIgnorePatterns": [
"__tests__/rule-tester.js"
]
},
"devDependencies": {
"@typescript-eslint/parser": "^5.40.0",
"@typescript-eslint/parser": "^5.45.0",
"doctoc": "^2.2.1",
"eslint": "^8.24.0",
"eslint": "^8.28.0",
"eslint-config-prettier": "^8.5.0",
"eslint-doc-generator": "^0.25.0",
"eslint-plugin-eslint-plugin": "^4.4.1",

@@ -68,14 +80,17 @@ "eslint-plugin-jest": "^26.9.0",

"eslint-plugin-prettier": "^4.2.1",
"globals": "^14.0.0",
"husky": "^7.0.4",
"jest": "^28.1.3",
"lint-staged": "^12.5.0",
"npm-run-all": "^4.1.5",
"prettier": "^2.7.1",
"typescript": "^4.8.4"
"typescript": "^4.9.3"
},
"peerDependencies": {
"eslint": "^7.0.0 || ^8.0.0"
"eslint": "^7.0.0 || ^8.0.0 || ^9.0.0"
},
"engines": {
"node": "^12.22.0 || ^14.17.0 || >=16.0.0"
}
},
"funding": "https://opencollective.com/eslint"
}

73

README.md

@@ -24,11 +24,11 @@ # eslint-plugin-promise

```sh
npm install eslint --save-dev
```
$ npm install eslint --save-dev
```
Next, install `eslint-plugin-promise`:
```sh
npm install eslint-plugin-promise --save-dev
```
$ npm install eslint-plugin-promise --save-dev
```

@@ -80,29 +80,31 @@ **Note:** If you installed ESLint globally (using the `-g` flag) then you must

| rule | description | recommended | fixable |
| -------------------------------------------------------- | -------------------------------------------------------------------------------- | ----------- | -------- |
| [`catch-or-return`][catch-or-return] | Enforces the use of `catch()` on un-returned promises. | :bangbang: | |
| [`no-return-wrap`][no-return-wrap] | Avoid wrapping values in `Promise.resolve` or `Promise.reject` when not needed. | :bangbang: | |
| [`param-names`][param-names] | Enforce consistent param names and ordering when creating new promises. | :bangbang: | |
| [`always-return`][always-return] | Return inside each `then()` to create readable and reusable Promise chains. | :bangbang: | |
| [`no-native`][no-native] | In an ES5 environment, make sure to create a `Promise` constructor before using. | | |
| [`no-nesting`][no-nesting] | Avoid nested `then()` or `catch()` statements | :warning: | |
| [`no-promise-in-callback`][no-promise-in-callback] | Avoid using promises inside of callbacks | :warning: | |
| [`no-callback-in-promise`][no-callback-in-promise] | Avoid calling `cb()` inside of a `then()` (use [nodeify][] instead) | :warning: | |
| [`avoid-new`][avoid-new] | Avoid creating `new` promises outside of utility libs (use [pify][] instead) | | |
| [`no-new-statics`][no-new-statics] | Avoid calling `new` on a Promise static method | :bangbang: | :wrench: |
| [`no-return-in-finally`][no-return-in-finally] | Disallow return statements in `finally()` | :warning: | |
| [`valid-params`][valid-params] | Ensures the proper number of arguments are passed to Promise functions | :warning: | |
| [`prefer-await-to-then`][prefer-await-to-then] | Prefer `await` to `then()`/`catch()`/`finally()` for reading Promise values | :seven: | |
| [`prefer-await-to-callbacks`][prefer-await-to-callbacks] | Prefer async/await to the callback pattern | :seven: | |
| [`no-multiple-resolved`][no-multiple-resolved] | Disallow creating new promises with paths that resolve multiple times | | |
<!-- begin auto-generated rules list -->
**Key**
💼 Configurations enabled in.\
⚠️ Configurations set to warn in.\
🚫 Configurations disabled in.\
✅ Set in the `recommended` configuration.\
🔧 Automatically fixable by the
[`--fix` CLI option](https://eslint.org/docs/user-guide/command-line-interface#--fix).
| icon | description |
| ---------- | ----------------------------------------------- |
| :bangbang: | Reports as error in recommended configuration |
| :warning: | Reports as warning in recommended configuration |
| :seven: | ES2017 Async Await rules |
| :wrench: | Rule is fixable with `eslint --fix` |
| Name                      | Description | 💼 | ⚠️ | 🚫 | 🔧 |
| :------------------------------------------------------------------- | :------------------------------------------------------------------------------------- | :-- | :-- | :-- | :-- |
| [always-return](docs/rules/always-return.md) | Require returning inside each `then()` to create readable and reusable Promise chains. | ✅ | | | |
| [avoid-new](docs/rules/avoid-new.md) | Disallow creating `new` promises outside of utility libs (use [pify][] instead). | | | ✅ | |
| [catch-or-return](docs/rules/catch-or-return.md) | Enforce the use of `catch()` on un-returned promises. | ✅ | | | |
| [no-callback-in-promise](docs/rules/no-callback-in-promise.md) | Disallow calling `cb()` inside of a `then()` (use [nodeify][] instead). | | ✅ | | |
| [no-multiple-resolved](docs/rules/no-multiple-resolved.md) | Disallow creating new promises with paths that resolve multiple times. | | | | |
| [no-native](docs/rules/no-native.md) | Require creating a `Promise` constructor before using it in an ES5 environment. | | | ✅ | |
| [no-nesting](docs/rules/no-nesting.md) | Disallow nested `then()` or `catch()` statements. | | ✅ | | |
| [no-new-statics](docs/rules/no-new-statics.md) | Disallow calling `new` on a Promise static method. | ✅ | | | 🔧 |
| [no-promise-in-callback](docs/rules/no-promise-in-callback.md) | Disallow using promises inside of callbacks. | | ✅ | | |
| [no-return-in-finally](docs/rules/no-return-in-finally.md) | Disallow return statements in `finally()`. | | ✅ | | |
| [no-return-wrap](docs/rules/no-return-wrap.md) | Disallow wrapping values in `Promise.resolve` or `Promise.reject` when not needed. | ✅ | | | |
| [param-names](docs/rules/param-names.md) | Enforce consistent param names and ordering when creating new promises. | ✅ | | | |
| [prefer-await-to-callbacks](docs/rules/prefer-await-to-callbacks.md) | Prefer async/await to the callback pattern. | | | | |
| [prefer-await-to-then](docs/rules/prefer-await-to-then.md) | Prefer `await` to `then()`/`catch()`/`finally()` for reading Promise values. | | | | |
| [valid-params](docs/rules/valid-params.md) | Enforces the proper number of arguments are passed to Promise functions. | | ✅ | | |
<!-- end auto-generated rules list -->
## Maintainers

@@ -119,17 +121,2 @@

[catch-or-return]: docs/rules/catch-or-return.md
[no-return-wrap]: docs/rules/no-return-wrap.md
[param-names]: docs/rules/param-names.md
[always-return]: docs/rules/always-return.md
[no-native]: docs/rules/no-native.md
[no-nesting]: docs/rules/no-nesting.md
[no-promise-in-callback]: docs/rules/no-promise-in-callback.md
[no-callback-in-promise]: docs/rules/no-callback-in-promise.md
[avoid-new]: docs/rules/avoid-new.md
[no-new-statics]: docs/rules/no-new-statics.md
[no-return-in-finally]: docs/rules/no-return-in-finally.md
[valid-params]: docs/rules/valid-params.md
[prefer-await-to-then]: docs/rules/prefer-await-to-then.md
[prefer-await-to-callbacks]: docs/rules/prefer-await-to-callbacks.md
[no-multiple-resolved]: docs/rules/no-multiple-resolved.md
[nodeify]: https://www.npmjs.com/package/nodeify

@@ -136,0 +123,0 @@ [pify]: https://www.npmjs.com/package/pify

2

rules/always-return.js

@@ -131,2 +131,4 @@ 'use strict'

docs: {
description:
'Require returning inside each `then()` to create readable and reusable Promise chains.',
url: getDocsUrl('always-return'),

@@ -133,0 +135,0 @@ },

2

rules/avoid-new.js

@@ -14,2 +14,4 @@ /**

docs: {
description:
'Disallow creating `new` promises outside of utility libs (use [pify][] instead).',
url: getDocsUrl('avoid-new'),

@@ -16,0 +18,0 @@ },

1

rules/catch-or-return.js

@@ -16,2 +16,3 @@ /**

docs: {
description: 'Enforce the use of `catch()` on un-returned promises.',
url: getDocsUrl('catch-or-return'),

@@ -18,0 +19,0 @@ },

14

rules/no-callback-in-promise.js

@@ -8,2 +8,3 @@ /**

const { getAncestors } = require('./lib/eslint-compat')
const getDocsUrl = require('./lib/get-docs-url')

@@ -14,2 +15,4 @@ const hasPromiseCallback = require('./lib/has-promise-callback')

const CB_BLACKLIST = ['callback', 'cb', 'next', 'done']
module.exports = {

@@ -19,2 +22,4 @@ meta: {

docs: {
description:
'Disallow calling `cb()` inside of a `then()` (use [nodeify][] instead).',
url: getDocsUrl('no-callback-in-promise'),

@@ -51,8 +56,3 @@ },

node.arguments && node.arguments[0] && node.arguments[0].name
if (
name === 'callback' ||
name === 'cb' ||
name === 'next' ||
name === 'done'
) {
if (!exceptions.includes(name) && CB_BLACKLIST.includes(name)) {
context.report({

@@ -66,3 +66,3 @@ node: node.arguments[0],

}
if (context.getAncestors().some(isInsidePromise)) {
if (getAncestors(context, node).some(isInsidePromise)) {
context.report({

@@ -69,0 +69,0 @@ node,

5

rules/no-multiple-resolved.js

@@ -8,2 +8,3 @@ /**

const { getScope } = require('./lib/eslint-compat')
const getDocsUrl = require('./lib/get-docs-url')

@@ -337,2 +338,4 @@ const {

docs: {
description:
'Disallow creating new promises with paths that resolve multiple times.',
url: getDocsUrl('no-multiple-resolved'),

@@ -403,3 +406,3 @@ },

for (const resolver of resolvers) {
const variable = context.getScope().set.get(resolver.name)
const variable = getScope(context, node).set.get(resolver.name)
// istanbul ignore next -- Usually always present.

@@ -406,0 +409,0 @@ if (!variable) continue

7

rules/no-native.js

@@ -6,2 +6,3 @@ // Borrowed from here:

const { getScope } = require('./lib/eslint-compat')
const getDocsUrl = require('./lib/get-docs-url')

@@ -31,2 +32,4 @@

docs: {
description:
'Require creating a `Promise` constructor before using it in an ES5 environment.',
url: getDocsUrl('no-native'),

@@ -48,4 +51,4 @@ },

return {
'Program:exit'() {
const scope = context.getScope()
'Program:exit'(node) {
const scope = getScope(context, node)
const leftToBeResolved =

@@ -52,0 +55,0 @@ scope.implicit.left ||

4

rules/no-nesting.js

@@ -8,2 +8,3 @@ /**

const { getScope } = require('./lib/eslint-compat')
const getDocsUrl = require('./lib/get-docs-url')

@@ -17,2 +18,3 @@ const hasPromiseCallback = require('./lib/has-promise-callback')

docs: {
description: 'Disallow nested `then()` or `catch()` statements.',
url: getDocsUrl('no-nesting'),

@@ -45,3 +47,3 @@ },

if (isInsidePromise(node)) {
callbackScopes.unshift(context.getScope())
callbackScopes.unshift(getScope(context, node))
}

@@ -48,0 +50,0 @@ },

1

rules/no-new-statics.js

@@ -10,2 +10,3 @@ 'use strict'

docs: {
description: 'Disallow calling `new` on a Promise static method.',
url: getDocsUrl('no-new-statics'),

@@ -12,0 +13,0 @@ },

4

rules/no-promise-in-callback.js

@@ -8,2 +8,3 @@ /**

const { getAncestors } = require('./lib/eslint-compat')
const getDocsUrl = require('./lib/get-docs-url')

@@ -17,2 +18,3 @@ const isPromise = require('./lib/is-promise')

docs: {
description: 'Disallow using promises inside of callbacks.',
url: getDocsUrl('no-promise-in-callback'),

@@ -34,3 +36,3 @@ },

if (context.getAncestors().some(isInsideCallback)) {
if (getAncestors(context, node).some(isInsideCallback)) {
context.report({

@@ -37,0 +39,0 @@ node: node.callee,

1

rules/no-return-in-finally.js

@@ -10,2 +10,3 @@ 'use strict'

docs: {
description: 'Disallow return statements in `finally()`.',
url: getDocsUrl('no-return-in-finally'),

@@ -12,0 +13,0 @@ },

10

rules/no-return-wrap.js

@@ -9,8 +9,8 @@ /**

const { getAncestors } = require('./lib/eslint-compat')
const getDocsUrl = require('./lib/get-docs-url')
const isPromise = require('./lib/is-promise')
function isInPromise(context) {
let functionNode = context
.getAncestors()
function isInPromise(context, node) {
let functionNode = getAncestors(context, node)
.filter((node) => {

@@ -43,2 +43,4 @@ return (

docs: {
description:
'Disallow wrapping values in `Promise.resolve` or `Promise.reject` when not needed.',
url: getDocsUrl('no-return-wrap'),

@@ -73,3 +75,3 @@ },

if (
isInPromise(context) &&
isInPromise(context, node) &&
callee.type === 'MemberExpression' &&

@@ -76,0 +78,0 @@ callee.object.name === 'Promise'

2

rules/param-names.js

@@ -12,2 +12,4 @@ 'use strict'

docs: {
description:
'Enforce consistent param names and ordering when creating new promises.',
url: getDocsUrl('param-names'),

@@ -14,0 +16,0 @@ },

8

rules/prefer-await-to-callbacks.js
'use strict'
const { getAncestors } = require('./lib/eslint-compat')
const getDocsUrl = require('./lib/get-docs-url')

@@ -9,2 +10,3 @@

docs: {
description: 'Prefer async/await to the callback pattern.',
url: getDocsUrl('prefer-await-to-callbacks'),

@@ -24,4 +26,4 @@ },

}
function isInsideYieldOrAwait() {
return context.getAncestors().some((parent) => {
function isInsideYieldOrAwait(node) {
return getAncestors(context, node).some((parent) => {
return (

@@ -86,3 +88,3 @@ parent.type === 'AwaitExpression' || parent.type === 'YieldExpression'

) {
if (!isInsideYieldOrAwait()) {
if (!isInsideYieldOrAwait(node)) {
context.report({ node: arg, messageId: 'error' })

@@ -89,0 +91,0 @@ }

13

rules/prefer-await-to-then.js

@@ -8,2 +8,3 @@ /**

const { getAncestors, getScope } = require('./lib/eslint-compat')
const getDocsUrl = require('./lib/get-docs-url')

@@ -15,2 +16,4 @@

docs: {
description:
'Prefer `await` to `then()`/`catch()`/`finally()` for reading Promise values.',
url: getDocsUrl('prefer-await-to-then'),

@@ -22,4 +25,4 @@ },

/** Returns true if node is inside yield or await expression. */
function isInsideYieldOrAwait() {
return context.getAncestors().some((parent) => {
function isInsideYieldOrAwait(node) {
return getAncestors(context, node).some((parent) => {
return (

@@ -36,4 +39,4 @@ parent.type === 'AwaitExpression' || parent.type === 'YieldExpression'

*/
function isTopLevelScoped() {
return context.getScope().block.type === 'Program'
function isTopLevelScoped(node) {
return getScope(context, node).block.type === 'Program'
}

@@ -43,3 +46,3 @@

'CallExpression > MemberExpression.callee'(node) {
if (isTopLevelScoped() || isInsideYieldOrAwait()) {
if (isTopLevelScoped(node) || isInsideYieldOrAwait(node)) {
return

@@ -46,0 +49,0 @@ }

2

rules/valid-params.js

@@ -11,3 +11,3 @@ 'use strict'

description:
'Ensures the proper number of arguments are passed to Promise functions',
'Enforces the proper number of arguments are passed to Promise functions.',
url: getDocsUrl('valid-params'),

@@ -14,0 +14,0 @@ },

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