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Move the shared ESLint plugin/config into the monorepo (#24670)

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* Move the shared ESLint plugin/config into the monorepo

* Add peer dependencies to ESLint plugin
This commit is contained in:
Harrison Healey 2023-10-05 14:47:51 -04:00 committed by GitHub
parent def164f790
commit ff929e4a15
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14 changed files with 1115 additions and 183 deletions
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6
webapp/channels/.eslintrc.json
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@ -1,11 +1,11 @@
{
"root": true,
"extends": [
"plugin:mattermost/react",
"plugin:@mattermost/react",
"plugin:react-hooks/recommended"
],
"plugins": [
"mattermost",
"@mattermost",
"import",
"no-only-tests",
"@typescript-eslint",
@ -23,6 +23,7 @@
}
},
"rules": {
"@mattermost/use-external-link": 2,
"header/header": [
2,
"line",
@ -30,7 +31,6 @@
2
],
"no-duplicate-imports": 0,
"mattermost/use-external-link": 2,
"import/no-duplicates": 2,
"max-nested-callbacks": ["error", 10],
"no-unused-expressions": 0,

2
webapp/channels/package.json
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@ -102,6 +102,7 @@
"devDependencies": {
"@deanwhillier/jest-matchmedia-mock": "1.2.0",
"@hot-loader/react-dom": "17.0.2",
"@mattermost/eslint-plugin": "*",
"@redux-devtools/extension": "3.2.3",
"@testing-library/jest-dom": "5.16.4",
"@testing-library/react": "12.1.4",
@ -148,7 +149,6 @@
"enzyme-to-json": "3.6.2",
"eslint-plugin-header": "3.1.1",
"eslint-plugin-import": "2.27.5",
"eslint-plugin-mattermost": "github:mattermost/eslint-plugin-mattermost#5b0c972eacf19286e4c66221b39113bf8728a99e",
"eslint-plugin-no-only-tests": "3.1.0",
"eslint-plugin-react": "7.32.2",
"eslint-plugin-react-hooks": "4.6.0",

2
webapp/channels/src/components/external_link/index.tsx
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@ -1,7 +1,7 @@
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
/* eslint-disable mattermost/use-external-link */
/* eslint-disable @mattermost/use-external-link */
import React from 'react';
import {useSelector} from 'react-redux';

2
webapp/channels/src/components/size_aware_image.jsx
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@ -1,7 +1,7 @@
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
/* eslint-disable mattermost/use-external-link */
/* eslint-disable @mattermost/use-external-link */
import classNames from 'classnames';
import PropTypes from 'prop-types';

257
webapp/package-lock.json generated
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1
webapp/package.json
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@ -51,6 +51,7 @@
"channels",
"platform/client",
"platform/components",
"platform/eslint-plugin",
"platform/types"
]
}

203
webapp/platform/eslint-plugin/LICENSE.txt Normal file
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@ -0,0 +1,203 @@
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55
webapp/platform/eslint-plugin/README.md Normal file
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@ -0,0 +1,55 @@
# @mattermost/eslint-plugin
An ESLint plugin containing the configuration used by Mattermost as well as support for custom rules specific to the Mattermost code base.
## Custom Rules
### no-dispatch-getstate
Prevents passing a [redux](https://redux.js.org/) store's `getState` into its `dispatch` as an unnecessary second argument.
We started doing this accidentally at some point because of a misunderstanding about how [redux-thunk](https://github.com/reduxjs/redux-thunk) worked, so this stops anyone from making that same mistake again.
Examples of **incorrect** code for this rule:
```javascript
export function someAction() {
return (dispatch, getState) => {
dispatch(doSomething(), getState);
};
}
```
Examples of **correct** code for this rule:
```javascript
export function someAction() {
return (dispatch) => {
dispatch(doSomething());
};
}
```
### use-external-link
Ensures that any link which opens a URL outside of Mattermost using `target="_blank"` uses the `ExternalLink` component.
Examples of **incorrect** code for this rule:
```javascript
export function SomeLink() {
return (
<a
href="https://example.com"
target="_blank"
rel="noopener noreferrer"
/>
);
}
```
Examples of **correct** code for this rule:
```javascript
import ExternalLink from 'components/external_link';
export function SomeLink() {
return <ExternalLink href="https://example.com"/>;
}
```

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webapp/platform/eslint-plugin/configs/.eslintrc-react.json Normal file
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@ -0,0 +1,123 @@
{
"extends": [
"plugin:react/recommended"
],
"plugins": [
"react"
],
"rules": {
"react/display-name": [
0,
{
"ignoreTranspilerName": false
}
],
"react/forbid-component-props": 0,
"react/forbid-elements": [
2,
{
"forbid": [
"embed"
]
}
],
"react/jsx-boolean-value": [
2,
"always"
],
"react/jsx-closing-bracket-location": [
2,
{
"location": "tag-aligned"
}
],
"react/jsx-curly-spacing": [
2,
"never"
],
"react/jsx-equals-spacing": [
2,
"never"
],
"react/jsx-filename-extension": 2,
"react/jsx-first-prop-new-line": [
2,
"multiline"
],
"react/jsx-handler-names": 0,
"react/jsx-indent": [
2,
4
],
"react/jsx-indent-props": [
2,
4
],
"react/jsx-key": 2,
"react/jsx-max-props-per-line": [
2,
{
"maximum": 1
}
],
"react/jsx-no-bind": 0,
"react/jsx-no-comment-textnodes": 2,
"react/jsx-no-duplicate-props": [
2,
{
"ignoreCase": false
}
],
"react/jsx-no-literals": 2,
"react/jsx-no-target-blank": 2,
"react/jsx-no-undef": 2,
"react/jsx-pascal-case": 2,
"react/jsx-tag-spacing": [
2,
{
"closingSlash": "never",
"beforeSelfClosing": "never",
"afterOpening": "never"
}
],
"react/jsx-uses-react": 2,
"react/jsx-uses-vars": 2,
"react/jsx-wrap-multilines": 2,
"react/no-array-index-key": 1,
"react/no-children-prop": 2,
"react/no-danger": 0,
"react/no-danger-with-children": 2,
"react/no-deprecated": 1,
"react/no-did-mount-set-state": 2,
"react/no-did-update-set-state": 2,
"react/no-direct-mutation-state": 2,
"react/no-find-dom-node": 1,
"react/no-is-mounted": 2,
"react/no-multi-comp": [
2,
{
"ignoreStateless": true
}
],
"react/no-render-return-value": 2,
"react/no-set-state": 0,
"react/no-string-refs": 0,
"react/no-unescaped-entities": 2,
"react/no-unknown-property": 2,
"react/no-unused-prop-types": [
1,
{
"skipShapeProps": true
}
],
"react/prefer-es6-class": 2,
"react/prefer-stateless-function": 0,
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"react/require-default-props": 0,
"react/require-optimization": 1,
"react/require-render-return": 2,
"react/self-closing-comp": 2,
"react/sort-comp": 0,
"react/style-prop-object": 2
}
}

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webapp/platform/eslint-plugin/configs/.eslintrc.json Normal file
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@ -0,0 +1,506 @@
{
"extends": [
"eslint:recommended"
],
"parserOptions": {
"ecmaVersion": 8,
"sourceType": "module",
"ecmaFeatures": {
"jsx": true,
"impliedStrict": true,
"modules": true
}
},
"parser": "babel-eslint",
"plugins": [
"header"
],
"env": {
"browser": true,
"node": true,
"jquery": true,
"es6": true
},
"rules": {
"@mattermost/no-dispatch-getstate": 2,
"array-bracket-spacing": [
2,
"never"
],
"array-callback-return": 2,
"arrow-body-style": 0,
"arrow-parens": [
2,
"always"
],
"arrow-spacing": [
2,
{
"before": true,
"after": true
}
],
"block-scoped-var": 2,
"brace-style": [
2,
"1tbs",
{
"allowSingleLine": false
}
],
"camelcase": [
2,
{
"properties": "never"
}
],
"capitalized-comments": 0,
"class-methods-use-this": 0,
"comma-dangle": [
2,
"always-multiline"
],
"comma-spacing": [
2,
{
"before": false,
"after": true
}
],
"comma-style": [
2,
"last"
],
"complexity": [
0,
10
],
"computed-property-spacing": [
2,
"never"
],
"consistent-return": 2,
"consistent-this": [
2,
"self"
],
"constructor-super": 2,
"curly": [
2,
"all"
],
"dot-location": [
2,
"object"
],
"dot-notation": 2,
"eqeqeq": [
2,
"smart"
],
"func-call-spacing": [
2,
"never"
],
"func-name-matching": 0,
"func-names": 2,
"func-style": [
2,
"declaration",
{
"allowArrowFunctions": true
}
],
"generator-star-spacing": [
2,
{
"before": false,
"after": true
}
],
"global-require": 2,
"guard-for-in": 2,
"header/header": [
2,
"line",
" Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.\n See LICENSE.txt for license information."
],
"id-blacklist": 0,
"indent": [
2,
4,
{
"SwitchCase": 0
}
],
"jsx-quotes": [
2,
"prefer-single"
],
"key-spacing": [
2,
{
"beforeColon": false,
"afterColon": true,
"mode": "strict"
}
],
"keyword-spacing": [
2,
{
"before": true,
"after": true,
"overrides": {}
}
],
"line-comment-position": 0,
"linebreak-style": 2,
"lines-around-comment": [
2,
{
"beforeBlockComment": true,
"beforeLineComment": true,
"allowBlockStart": true,
"allowBlockEnd": true
}
],
"max-lines": [
1,
{
"max": 450,
"skipBlankLines": true,
"skipComments": false
}
],
"max-nested-callbacks": [
2,
{
"max": 2
}
],
"max-statements-per-line": [
2,
{
"max": 1
}
],
"multiline-ternary": [
1,
"never"
],
"new-cap": 2,
"new-parens": 2,
"newline-before-return": 0,
"newline-per-chained-call": 0,
"no-alert": 2,
"no-array-constructor": 2,
"no-await-in-loop": 2,
"no-caller": 2,
"no-case-declarations": 2,
"no-class-assign": 2,
"no-compare-neg-zero": 2,
"no-cond-assign": [
2,
"except-parens"
],
"no-confusing-arrow": 2,
"no-console": 2,
"no-const-assign": 2,
"no-constant-condition": 2,
"no-debugger": 2,
"no-div-regex": 2,
"no-dupe-args": 2,
"no-dupe-class-members": 2,
"no-dupe-keys": 2,
"no-duplicate-case": 2,
"no-duplicate-imports": [
2,
{
"includeExports": true
}
],
"no-else-return": 2,
"no-empty": 2,
"no-empty-function": 2,
"no-empty-pattern": 2,
"no-eval": 2,
"no-ex-assign": 2,
"no-extend-native": 2,
"no-extra-bind": 2,
"no-extra-label": 2,
"no-extra-parens": 0,
"no-extra-semi": 2,
"no-fallthrough": 2,
"no-floating-decimal": 2,
"no-func-assign": 2,
"no-global-assign": 2,
"no-implicit-coercion": 2,
"no-implicit-globals": 0,
"no-implied-eval": 2,
"no-inner-declarations": 0,
"no-invalid-regexp": 2,
"no-irregular-whitespace": 2,
"no-iterator": 2,
"no-labels": 2,
"no-lone-blocks": 2,
"no-lonely-if": 2,
"no-loop-func": 2,
"no-magic-numbers": 0,
"no-mixed-operators": [
2,
{
"allowSamePrecedence": false
}
],
"no-mixed-spaces-and-tabs": 2,
"no-multi-assign": 2,
"no-multi-spaces": [
2,
{
"exceptions": {
"Property": false
}
}
],
"no-multi-str": 0,
"no-multiple-empty-lines": [
2,
{
"max": 1
}
],
"no-native-reassign": 2,
"no-negated-condition": 2,
"no-nested-ternary": 2,
"no-new": 2,
"no-new-func": 2,
"no-new-object": 2,
"no-new-symbol": 2,
"no-new-wrappers": 2,
"no-octal-escape": 2,
"no-param-reassign": 2,
"no-process-env": 2,
"no-process-exit": 2,
"no-proto": 2,
"no-prototype-builtins": 1,
"no-redeclare": 2,
"no-return-assign": [
2,
"always"
],
"no-return-await": 2,
"no-script-url": 2,
"no-self-assign": [
2,
{
"props": true
}
],
"no-self-compare": 2,
"no-sequences": 2,
"no-shadow": [
2,
{
"hoist": "functions"
}
],
"no-shadow-restricted-names": 2,
"no-spaced-func": 2,
"no-tabs": 0,
"no-template-curly-in-string": 2,
"no-ternary": 0,
"no-this-before-super": 2,
"no-throw-literal": 2,
"no-trailing-spaces": [
2,
{
"skipBlankLines": false
}
],
"no-undef-init": 2,
"no-undefined": 2,
"no-underscore-dangle": 2,
"no-unexpected-multiline": 2,
"no-unmodified-loop-condition": 2,
"no-unneeded-ternary": [
2,
{
"defaultAssignment": false
}
],
"no-unreachable": 2,
"no-unsafe-finally": 2,
"no-unsafe-negation": 2,
"no-unused-expressions": 2,
"no-unused-vars": [
2,
{
"vars": "all",
"args": "after-used"
}
],
"no-use-before-define": [
2,
{
"classes": false,
"functions": false,
"variables": false
}
],
"no-useless-computed-key": 2,
"no-useless-concat": 2,
"no-useless-constructor": 2,
"no-useless-escape": 2,
"no-useless-rename": 2,
"no-useless-return": 2,
"no-var": 0,
"no-void": 2,
"no-warning-comments": 1,
"no-whitespace-before-property": 2,
"no-with": 2,
"object-curly-newline": 0,
"object-curly-spacing": [
2,
"never"
],
"object-property-newline": [
2,
{
"allowMultiplePropertiesPerLine": true
}
],
"object-shorthand": [
2,
"always"
],
"one-var": [
2,
"never"
],
"one-var-declaration-per-line": 0,
"operator-assignment": [
2,
"always"
],
"operator-linebreak": [
2,
"after"
],
"padded-blocks": [
2,
"never"
],
"prefer-arrow-callback": 2,
"prefer-const": 2,
"prefer-destructuring": 0,
"prefer-numeric-literals": 2,
"prefer-promise-reject-errors": 2,
"prefer-rest-params": 2,
"prefer-spread": 2,
"prefer-template": 0,
"quote-props": [
2,
"as-needed"
],
"quotes": [
2,
"single",
"avoid-escape"
],
"radix": 2,
"require-yield": 2,
"rest-spread-spacing": [
2,
"never"
],
"semi": [
2,
"always"
],
"semi-spacing": [
2,
{
"before": false,
"after": true
}
],
"sort-imports": 0,
"sort-keys": 0,
"space-before-blocks": [
2,
"always"
],
"space-before-function-paren": [
2,
{
"anonymous": "never",
"named": "never",
"asyncArrow": "always"
}
],
"space-in-parens": [
2,
"never"
],
"space-infix-ops": 2,
"space-unary-ops": [
2,
{
"words": true,
"nonwords": false
}
],
"symbol-description": 2,
"template-curly-spacing": [
2,
"never"
],
"valid-typeof": [
2,
{
"requireStringLiterals": false
}
],
"vars-on-top": 0,
"wrap-iife": [
2,
"outside"
],
"wrap-regex": 2,
"yoda": [
2,
"never",
{
"exceptRange": false,
"onlyEquality": false
}
],
"@typescript-eslint/array-type": [2, {"default": "array-simple"}],
"@typescript-eslint/member-delimiter-style": 2,
"@typescript-eslint/type-annotation-spacing": 2
},
"overrides": [
{
"files": ["*.test.js", "*.test.jsx", "*.test.ts", "*.test.tsx", "tests/**"],
"globals": {
"after": true,
"afterAll": true,
"afterEach": true,
"before": true,
"beforeAll": true,
"beforeEach": true,
"describe": true,
"expect": true,
"it": true,
"jest": true,
"test": true
},
"rules": {
"no-empty-function": 0,
"no-console": 0,
"max-nested-callbacks": 0,
"no-undefined": 0
}
}
]
}

21
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"use strict";
module.exports = {
configs: {
base: {
extends: [
require.resolve('./configs/.eslintrc.json'),
],
},
react: {
extends: [
require.resolve('./configs/.eslintrc.json'),
require.resolve('./configs/.eslintrc-react.json'),
],
},
},
rules: {
'no-dispatch-getstate': require('./rules/no-dispatch-getstate'),
'use-external-link': require('./rules/use-external-link'),
},
};

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{
"name": "@mattermost/eslint-plugin",
"version": "1.0.0",
"description": "ESLint configuration and custom rules used by Mattermost",
"repository": {
"type": "git",
"url": "git+https://github.com/mattermost/mattermost.git",
"directory": "webapp/platform/eslint-plugin"
},
"author": "Mattermost, Inc.",
"license": "Apache 2.0",
"homepage": "https://github.com/mattermost/mattermost/tree/master/webapp/platform/eslint-plugin#readme",
"main": "index.js",
"dependencies": {
"eslint-plugin-jsx-a11y": "^6.7.1",
"jsx-ast-utils": "^3.3.3"
},
"peerDependencies": {
"@typescript-eslint/eslint-plugin": "^5.57.1",
"eslint-plugin-header": "^3.1.1",
"eslint-plugin-react": "^7.32.2"
},
"peerDependenciesMeta": {
"eslint-plugin-react": {
"optional": true
}
}
}

49
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// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
module.exports = {
meta: {
type: 'problem',
fixable: 'code',
messages: {
unexpected: 'Unexpected second argument passed to dispatch. getState does not need to be passed into dispatch.',
},
},
create(context) {
function checkDispatch(node) {
const args = node.arguments;
if (args.length === 2) {
context.report({
node,
messageId: 'unexpected',
fix(fixer) {
const sourceCode = context.getSourceCode();
const before = sourceCode.getTokenBefore(args[1]);
const after = sourceCode.getTokenAfter(args[1]);
// Remove the getState argument and the preceding comma
const fixes = [
fixer.remove(before),
fixer.remove(args[1]),
];
// And remove the trailing comma if one exists
if (after.type === 'Punctuator' && after.value === ',') {
fixes.push(fixer.remove(after));
}
// Note that this sometimes mangles the whitespace slightly
return fixes;
},
});
}
}
return {
"CallExpression[callee.name='dispatch']": checkDispatch,
"CallExpression[callee.name='doDispatch']": checkDispatch,
};
},
};

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webapp/platform/eslint-plugin/rules/use-external-link.js Normal file
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// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
const astUtils = require('jsx-ast-utils')
const getElementType = require('eslint-plugin-jsx-a11y/lib/util/getElementType')
module.exports = {
meta: {
docs: {
description: 'Enforce all anchors with target="_blank" to use ExternalLink component',
},
},
create: (context) => {
const elementType = getElementType(context);
return {
JSXOpeningElement: (node) => {
const { attributes } = node;
const typeCheck = 'a';
const nodeType = elementType(node);
// Only check anchor elements
if (!nodeType || typeCheck !== nodeType) {
return;
}
const propsToValidate = ['target'];
const values = propsToValidate.map((prop) => astUtils.getPropValue(astUtils.getProp(node.attributes, prop)));
// Checks if the target attribute is set to _blank (ie, is an external link)
const hasBlankTarget = values.some((value) => value != null && value === '_blank');
// When there is no target value at all, this rule does not apply:
if (!hasBlankTarget) {
return;
}
context.report({
node,
message: 'Use ExternalLink component (components/external_link) for _blank target link-outs',
});
return
},
};
},
};