chore: 🦄 Add eslint-plugin-unicorn (#22883)

* 🦄 Add eslint-plugin-unicorn

* fix eslint errors

* fix eslint errors

* fix lint demo

* fix lint demo

.antd-tools.config.js

@@ -19,7 +19,7 @@ function finalizeCompile() {
         `{ version: '${packageInfo.version}' }`,
       ),
     );
-    // eslint-disable-next-line
+    // eslint-disable-next-line no-console
     console.log('Wrote version into lib/version/index.js');
 
     // Build package.json version to lib/version/index.d.ts
@@ -29,7 +29,7 @@ function finalizeCompile() {
       versionDefPath,
       `declare var _default: "${packageInfo.version}";\nexport default _default;\n`,
     );
-    // eslint-disable-next-line
+    // eslint-disable-next-line no-console
     console.log('Wrote version into lib/version/index.d.ts');
 
     // Build a entry less file to dist/antd.less
@@ -57,7 +57,7 @@ function buildThemeFile(theme, vars) {
     `@import "../lib/style/${theme}.less";\n@import "../lib/style/components.less";`,
   );
 
-  // eslint-disable-next-line
+  // eslint-disable-next-line no-console
   console.log(`Built a entry less file to dist/antd.${theme}.less`);
 
   // Build ${theme}.js: dist/${theme}-theme.js, for less-loader
@@ -67,7 +67,7 @@ function buildThemeFile(theme, vars) {
     `module.exports = ${JSON.stringify(vars, null, 2)};`,
   );
 
-  // eslint-disable-next-line
+  // eslint-disable-next-line no-console
   console.log(`Built a ${theme} theme js file to dist/${theme}-theme.js`);
 }
 
@@ -78,7 +78,7 @@ function finalizeDist() {
       path.join(process.cwd(), 'dist', 'antd.less'),
       '@import "../lib/style/index.less";\n@import "../lib/style/components.less";',
     );
-    // eslint-disable-next-line
+    // eslint-disable-next-line no-console
     console.log('Built a entry less file to dist/antd.less');
     buildThemeFile('dark', darkVars);
     buildThemeFile('compact', compactVars);

.eslintrc.js

@@ -20,7 +20,7 @@ const eslintrc = {
     },
   },
   parser: '@typescript-eslint/parser',
-  plugins: ['markdown', 'react', 'babel', 'jest', '@typescript-eslint', 'react-hooks'],
+  plugins: ['markdown', 'react', 'babel', 'jest', '@typescript-eslint', 'react-hooks', 'unicorn'],
   // https://github.com/typescript-eslint/typescript-eslint/issues/46#issuecomment-470486034
   overrides: [
     {
@@ -91,6 +91,10 @@ const eslintrc = {
     'jest/no-test-callback': 0,
     'jest/expect-expect': 0,
     'react-hooks/rules-of-hooks': 2, // Checks rules of Hooks
+    "unicorn/better-regex": 2,
+    "unicorn/prefer-trim-start-end": 2,
+    "unicorn/expiring-todo-comments": 2,
+    "unicorn/no-abusive-eslint-disable": 2,
   },
   globals: {
     gtag: true,

components/_util/wave.tsx

@@ -16,7 +16,7 @@ function isHidden(element: HTMLElement) {
 
 function isNotGrey(color: string) {
   // eslint-disable-next-line no-useless-escape
-  const match = (color || '').match(/rgba?\((\d*), (\d*), (\d*)(, [\.\d]*)?\)/);
+  const match = (color || '').match(/rgba?\((\d*), (\d*), (\d*)(, [\d.]*)?\)/);
   if (match && match[1] && match[2] && match[3]) {
     return !(match[1] === match[2] && match[2] === match[3]);
   }
@@ -76,7 +76,7 @@ export default class Wave extends React.Component<{ insertExtraNode?: boolean }>
       waveColor !== '#ffffff' &&
       waveColor !== 'rgb(255, 255, 255)' &&
       isNotGrey(waveColor) &&
-      !/rgba\(\d*, \d*, \d*, 0\)/.test(waveColor) && // any transparent rgba color
+      !/rgba\((?:\d*, ){3}0\)/.test(waveColor) && // any transparent rgba color
       waveColor !== 'transparent'
     ) {
       // Add nonce if CSP exist

components/alert/__tests__/index.test.js

@@ -60,7 +60,8 @@ describe('Alert', () => {
 
   const testIt = process.env.REACT === '15' ? it.skip : it;
   testIt('ErrorBoundary', () => {
-    const ThrowError = () => <NotExisted />; // eslint-disable-line
+    // eslint-disable-next-line react/jsx-no-undef
+    const ThrowError = () => <NotExisted />;
     const wrapper = mount(
       <ErrorBoundary>
         <ThrowError />

components/button/__tests__/index.test.js

@@ -107,7 +107,6 @@ describe('Button', () => {
 
   it('have static property for type detecting', () => {
     const wrapper = mount(<Button>Button Text</Button>);
-    // eslint-disable-next-line
     expect(wrapper.type().__ANT_BUTTON).toBe(true);
   });
 
@@ -136,7 +135,6 @@ describe('Button', () => {
   });
 
   it('should change loading state with delay', () => {
-    // eslint-disable-next-line
     class DefaultButton extends Component {
       state = {
         loading: false,

components/calendar/__tests__/index.test.js

@@ -156,7 +156,7 @@ describe('Calendar', () => {
 
   it('Calendar should support locale', () => {
     MockDate.set(Moment('2018-10-19'));
-    // eslint-disable-next-line
+    // eslint-disable-next-line global-require
     const zhCN = require('../locale/zh_CN').default;
     const wrapper = mount(<Calendar locale={zhCN} />);
     expect(wrapper.render()).toMatchSnapshot();

components/dropdown/__tests__/dropdown-button.test.js

@@ -40,7 +40,7 @@ describe('DropdownButton', () => {
     const dropdownProps = wrapper.find(Dropdown).props();
 
     Object.keys(props).forEach(key => {
-      expect(dropdownProps[key]).toBe(props[key]); // eslint-disable-line
+      expect(dropdownProps[key]).toBe(props[key]);
     });
   });
 

components/form/FormItemLabel.tsx

@@ -48,7 +48,7 @@ const FormItemLabel: React.FC<FormItemLabelProps & { required?: boolean; prefixC
         const haveColon = computedColon && !vertical;
         // Remove duplicated user input colon
         if (haveColon && typeof label === 'string' && (label as string).trim() !== '') {
-          labelChildren = (label as string).replace(/[：|:]\s*$/, '');
+          labelChildren = (label as string).replace(/[:|：]\s*$/, '');
         }
 
         const labelClassName = classNames({

components/form/__tests__/index.test.js

@@ -522,7 +522,7 @@ describe('Form', () => {
 
   // https://github.com/ant-design/ant-design/issues/21415
   it('Component.props.onChange is null', () => {
-    // eslint-disable-next-line
+    // eslint-disable-next-line react/prefer-stateless-function
     class CustomComponent extends Component {
       static defaultProps = {
         onChange: null,

components/input/demo/tooltip.md

@@ -35,7 +35,7 @@ function formatNumber(value) {
 class NumericInput extends React.Component {
   onChange = e => {
     const { value } = e.target;
-    const reg = /^-?[0-9]*(\.[0-9]*)?$/;
+    const reg = /^-?\d*(\.\d*)?$/;
     if ((!isNaN(value) && reg.test(value)) || value === '' || value === '-') {
       this.props.onChange(value);
     }

components/message/__tests__/index.test.js

@@ -98,7 +98,6 @@ describe('message', () => {
 
   // https://github.com/ant-design/ant-design/issues/8201
   it('should destroy messages correctly', () => {
-    // eslint-disable-next-line
     class Test extends React.Component {
       componentDidMount() {
         message.loading('Action in progress1..', 0);

components/statistic/utils.tsx

@@ -36,7 +36,7 @@ const timeUnits: [string, number][] = [
 export function formatTimeStr(duration: number, format: string) {
   let leftDuration: number = duration;
 
-  const escapeRegex = /\[[^\]]*\]/g;
+  const escapeRegex = /\[[^\]]*]/g;
   const keepList: string[] = (format.match(escapeRegex) || []).map(str => str.slice(1, -1));
   const templateText = format.replace(escapeRegex, '[]');
 

components/transfer/index.tsx

@@ -115,7 +115,7 @@ class Transfer extends React.Component<TransferProps, any> {
     };
   }
 
-  // eslint-disable-next-line
+  // eslint-disable-next-line class-methods-use-this
   getSelectedKeysName(direction: TransferDirection) {
     return direction === 'left' ? 'sourceSelectedKeys' : 'targetSelectedKeys';
   }

components/typography/Editable.tsx

@@ -55,7 +55,7 @@ class Editable extends React.Component<EditableProps, EditableState> {
   }
 
   onChange: React.ChangeEventHandler<HTMLTextAreaElement> = ({ target: { value } }) => {
-    this.setState({ current: value.replace(/[\r\n]/g, '') });
+    this.setState({ current: value.replace(/[\n\r]/g, '') });
   };
 
   onCompositionStart = () => {

components/typography/__tests__/index.test.js

@@ -276,7 +276,7 @@ describe('Typography', () => {
           wrapper.find('TextArea').simulate('keyUp', { keyCode: KeyCode.ESC });
         },
         onChange => {
-          // eslint-disable-next-line
+          // eslint-disable-next-line jest/no-standalone-expect
           expect(onChange).not.toHaveBeenCalled();
         },
       );

components/upload/Upload.tsx

@@ -165,7 +165,7 @@ class Upload extends React.Component<UploadProps, UploadState> {
       const removedFileList = removeFileItem(file, fileList);
 
       if (removedFileList) {
-        file.status = 'removed'; // eslint-disable-line
+        file.status = 'removed';
 
         if (this.upload) {
           this.upload.abort(file);

components/upload/__tests__/upload.test.js

@@ -199,7 +199,6 @@ describe('Upload', () => {
 
   // https://github.com/ant-design/ant-design/issues/14298
   it('should not have id if upload children is null, avoid being triggered by label', () => {
-    // eslint-disable-next-line
     const Demo = ({ children }) => (
       <Form>
         <Form.Item name="upload" label="Upload" valuePropName="fileList">
@@ -221,7 +220,6 @@ describe('Upload', () => {
 
   // https://github.com/ant-design/ant-design/issues/16478
   it('should not have id if upload is disabled, avoid being triggered by label', () => {
-    // eslint-disable-next-line
     const Demo = ({ disabled }) => (
       <Form>
         <Form.Item name="upload" label="Upload" valuePropName="fileList">

package.json

@@ -190,6 +190,7 @@
     "eslint-plugin-markdown": "^1.0.0",
     "eslint-plugin-react": "^7.14.2",
     "eslint-plugin-react-hooks": "^3.0.0",
+    "eslint-plugin-unicorn": "^18.0.1",
     "eslint-tinker": "^0.5.0",
     "fetch-jsonp": "^1.1.3",
     "full-icu": "^1.3.0",

scripts/check-site.js

@@ -16,7 +16,7 @@ const components = uniq(
       cwd: join(process.cwd()),
       dot: false,
     })
-    .map(path => path.replace(/(\/index)?((\.zh-CN)|(\.en-US))?\.md$/i, '')),
+    .map(path => path.replace(/(\/index)?((\.zh-cn)|(\.en-us))?\.md$/i, '')),
 );
 
 describe('site test', () => {

site/bisheng.config.js

@@ -14,7 +14,6 @@ function alertBabelConfig(rules) {
       if (rule.options.plugins.indexOf(replaceLib) === -1) {
         rule.options.plugins.push(replaceLib);
       }
-      // eslint-disable-next-line
       rule.options.plugins = rule.options.plugins.filter(
         plugin => !plugin.indexOf || plugin.indexOf('babel-plugin-add-module-exports') === -1,
       );
@@ -106,7 +105,6 @@ module.exports = {
     javascriptEnabled: true,
   },
   webpackConfig(config) {
-    // eslint-disable-next-line
     config.resolve.alias = {
       'antd/lib': path.join(process.cwd(), 'components'),
       'antd/es': path.join(process.cwd(), 'components'),
@@ -116,23 +114,21 @@ module.exports = {
       'react-intl': 'react-intl/dist',
     };
 
-    // eslint-disable-next-line
     config.externals = {
       'react-router-dom': 'ReactRouterDOM',
     };
 
     if (usePreact) {
-      // eslint-disable-next-line
+      config.resolve.alias = {
-      config.resolve.alias = Object.assign({}, config.resolve.alias, {
+        ...config.resolve.alias,
         react: 'preact-compat',
         'react-dom': 'preact-compat',
         'create-react-class': 'preact-compat/lib/create-react-class',
         'react-router': 'react-router',
-      });
+      };
     }
 
     if (isDev) {
-      // eslint-disable-next-line
       config.devtool = 'source-map';
 
       // Resolve use react hook fail when yarn link or npm link

site/theme/template/Color/ColorPaletteTool.jsx

@@ -6,7 +6,6 @@ import ColorPatterns from './ColorPatterns';
 const primaryMinSaturation = 70; // 主色推荐最小饱和度
 const primaryMinBrightness = 70; // 主色推荐最小亮度
 
-// eslint-disable-next-line
 export default class ColorPaletteTool extends Component {
   state = {
     primaryColor: '#1890ff',

site/theme/template/Color/ColorPaletteToolDark.jsx

@@ -7,7 +7,6 @@ import ColorPatterns from './ColorPatterns';
 const primaryMinSaturation = 70; // 主色推荐最小饱和度
 const primaryMinBrightness = 70; // 主色推荐最小亮度
 
-// eslint-disable-next-line
 export default class ColorPaletteTool extends Component {
   state = {
     primaryColor: '#1890ff',

site/theme/template/Content/Article.tsx

@@ -109,7 +109,6 @@ class Article extends React.Component<ArticleProps> {
     const metaDesc = helmetDesc || contentChild;
 
     return (
-      /* eslint-disable-next-line */
       <article className="markdown" onClick={this.onResourceClick}>
         <Helmet encodeSpecialCharacters={false}>
           {helmetTitle && <title>{helmetTitle}</title>}

site/theme/template/Content/Demo/index.jsx

@@ -92,7 +92,7 @@ class Demo extends React.Component {
     });
   };
 
-  // eslint-disable-next-line
+  // eslint-disable-next-line class-methods-use-this
   track({ type, demo }) {
     if (!window.gtag) {
       return;
@@ -180,18 +180,18 @@ class Demo extends React.Component {
       title: `${localizedTitle} - Ant Design Demo`,
       html,
       js: sourceCode
-        .replace(/import\s+\{(\s+[^}]*\s+)\}\s+from\s+'antd';/, 'const { $1 } = antd;')
+        .replace(/import\s+{(\s+[^}]*\s+)}\s+from\s+'antd';/, 'const { $1 } = antd;')
         .replace(
-          /import\s+\{(\s+[^}]*\s+)\}\s+from\s+'@ant-design\/icons';/,
+          /import\s+{(\s+[^}]*\s+)}\s+from\s+'@ant-design\/icons';/,
           'const { $1 } = icons;',
         )
         .replace("import moment from 'moment';", '')
-        .replace(/import\s+\{\s+(.*)\s+\}\s+from\s+'react-router';/, 'const { $1 } = ReactRouter;')
+        .replace(/import\s+{\s+(.*)\s+}\s+from\s+'react-router';/, 'const { $1 } = ReactRouter;')
         .replace(
-          /import\s+\{\s+(.*)\s+\}\s+from\s+'react-router-dom';/,
+          /import\s+{\s+(.*)\s+}\s+from\s+'react-router-dom';/,
           'const { $1 } = ReactRouterDOM;',
         )
-        .replace(/([a-zA-Z]*)\s+as\s+([a-zA-Z]*)/, '$1:$2'),
+        .replace(/([A-Za-z]*)\s+as\s+([A-Za-z]*)/, '$1:$2'),
       css: prefillStyle,
       editors: '001',
       // eslint-disable-next-line no-undef
@@ -300,7 +300,7 @@ ${parsedSourceCode.replace('mountNode', "document.getElementById('container')")}
         <section className="code-box-demo">
           <ErrorBoundary>{this.liveDemo}</ErrorBoundary>
           {style ? (
-            <style dangerouslySetInnerHTML={{ __html: style }} /> // eslint-disable-line
+            <style dangerouslySetInnerHTML={{ __html: style }} />
           ) : null}
         </section>
         <section className="code-box-meta markdown">

site/theme/template/Content/MainContent.jsx

@@ -43,7 +43,7 @@ function getModuleData(props) {
 }
 
 function fileNameToPath(filename) {
-  const snippets = filename.replace(/(\/index)?((\.zh-CN)|(\.en-US))?\.md$/i, '').split('/');
+  const snippets = filename.replace(/(\/index)?((\.zh-cn)|(\.en-us))?\.md$/i, '').split('/');
   return snippets[snippets.length - 1];
 }
 
@@ -195,8 +195,10 @@ class MainContent extends Component {
     if (!document.querySelector('.markdown > h2, .code-box')) {
       return;
     }
-    require('intersection-observer'); // eslint-disable-line
+    // eslint-disable-next-line global-require
-    const scrollama = require('scrollama'); // eslint-disable-line
+    require('intersection-observer');
+    // eslint-disable-next-line global-require
+    const scrollama = require('scrollama');
     this.scroller = scrollama();
     this.scroller
       .setup({
@@ -205,7 +207,7 @@ class MainContent extends Component {
       })
       .onStepEnter(({ element }) => {
         [].forEach.call(document.querySelectorAll('.toc-affix li a'), node => {
-          node.className = ''; // eslint-disable-line
+          node.className = '';
         });
         const currentNode = document.querySelectorAll(`.toc-affix li a[href="#${element.id}"]`)[0];
         if (currentNode) {
@@ -232,7 +234,7 @@ class MainContent extends Component {
           </span>,
         ];
     const { disabled } = item;
-    const url = item.filename.replace(/(\/index)?((\.zh-CN)|(\.en-US))?\.md$/i, '').toLowerCase();
+    const url = item.filename.replace(/(\/index)?((\.zh-cn)|(\.en-us))?\.md$/i, '').toLowerCase();
     const child = !item.link ? (
       <Link
         to={utils.getLocalizedPathname(

site/theme/template/Home/index.tsx

@@ -48,7 +48,7 @@ export default function Home() {
 
   return (
     <div className="home-container">
-      <style dangerouslySetInnerHTML={{ __html: getStyle() }} /> {/* eslint-disable-line */}
+      <style dangerouslySetInnerHTML={{ __html: getStyle() }} />
       <Banner />
       <div style={{ maxWidth: 1256, margin: '0 auto' }}>
         <BlockContent title={<FormattedMessage id="app.home.recommend" />}>

site/theme/template/Layout/Header/index.tsx

@@ -23,7 +23,8 @@ const { Option } = Select;
 
 let docsearch: any;
 if (typeof window !== 'undefined') {
-  docsearch = require('docsearch.js'); // eslint-disable-line
+  // eslint-disable-next-line global-require
+  docsearch = require('docsearch.js');
 }
 
 function initDocSearch(locale: string) {
@@ -38,8 +39,8 @@ function initDocSearch(locale: string) {
     algoliaOptions: { facetFilters: [`tags:${lang}`] },
     transformData(hits: { url: string }[]) {
       hits.forEach(hit => {
-        hit.url = hit.url.replace('ant.design', window.location.host); // eslint-disable-line
+        hit.url = hit.url.replace('ant.design', window.location.host);
-        hit.url = hit.url.replace('https:', window.location.protocol); // eslint-disable-line
+        hit.url = hit.url.replace('https:', window.location.protocol)
       });
       return hits;
     },

site/theme/template/utils.tsx

@@ -144,7 +144,6 @@ export function getLocalizedPathname(
 }
 
 export function ping(callback: (status: string) => void) {
-  // eslint-disable-next-line
   const url =
     'https://private-a' +
     'lipay' +

tests/dekko/dist.test.js

@@ -16,5 +16,5 @@ $('dist')
   .hasFile('antd.compact.css')
   .hasFile('dark-theme.js');
 
-// eslint-disable-next-line
+// eslint-disable-next-line no-console
 console.log(chalk.green('✨ `dist` directory is valid.'));

tests/dekko/lib.test.js

@@ -56,5 +56,5 @@ function compare(originFiles, targetFiles, targetPath) {
 compare(localeFiles, localeProviderFiles, '/locale-provider');
 compare(localeProviderFiles, localeFiles, '/locale');
 
-// eslint-disable-next-line
+// eslint-disable-next-line no-console
 console.log(chalk.green('✨ `lib` directory is valid.'));

tests/index.test.js

@@ -6,7 +6,8 @@ describe('antd dist files', () => {
   // https://github.com/ant-design/ant-design/issues/1638
   // https://github.com/ant-design/ant-design/issues/1968
   it('exports modules correctly', () => {
-    const antd = testDist ? require('../dist/antd') : require('../components'); // eslint-disable-line
+    // eslint-disable-next-line global-require,import/no-unresolved
+    const antd = testDist ? require('../dist/antd') : require('../components');
     expect(Object.keys(antd)).toMatchSnapshot();
   });
 
@@ -14,7 +15,8 @@ describe('antd dist files', () => {
   // https://github.com/ant-design/ant-design/issues/1804
   if (testDist) {
     it('should have antd.version', () => {
-      const antd = require('../dist/antd'); // eslint-disable-line
+      // eslint-disable-next-line global-require,import/no-unresolved
+      const antd = require('../dist/antd');
       expect(antd.version).toBe(pkg.version);
     });
   }