/** * @fileoverview Prevent usage of deprecated methods * @author Yannick Croissant * @author Scott Feeney * @author Sergei Startsev */ 'use strict'; const entries = require('object.entries'); const astUtil = require('../util/ast'); const componentUtil = require('../util/componentUtil'); const docsUrl = require('../util/docsUrl'); const pragmaUtil = require('../util/pragma'); const testReactVersion = require('../util/version').testReactVersion; const report = require('../util/report'); const getText = require('../util/eslint').getText; // ------------------------------------------------------------------------------ // Constants // ------------------------------------------------------------------------------ const MODULES = { react: ['React'], 'react-addons-perf': ['ReactPerf', 'Perf'], 'react-dom': ['ReactDOM'], 'react-dom/server': ['ReactDOMServer'], }; // ------------------------------------------------------------------------------ // Rule Definition // ------------------------------------------------------------------------------ function getDeprecated(pragma) { const deprecated = {}; // 0.12.0 deprecated[`${pragma}.renderComponent`] = ['0.12.0', `${pragma}.render`]; deprecated[`${pragma}.renderComponentToString`] = ['0.12.0', `${pragma}.renderToString`]; deprecated[`${pragma}.renderComponentToStaticMarkup`] = ['0.12.0', `${pragma}.renderToStaticMarkup`]; deprecated[`${pragma}.isValidComponent`] = ['0.12.0', `${pragma}.isValidElement`]; deprecated[`${pragma}.PropTypes.component`] = ['0.12.0', `${pragma}.PropTypes.element`]; deprecated[`${pragma}.PropTypes.renderable`] = ['0.12.0', `${pragma}.PropTypes.node`]; deprecated[`${pragma}.isValidClass`] = ['0.12.0']; deprecated['this.transferPropsTo'] = ['0.12.0', 'spread operator ({...})']; // 0.13.0 deprecated[`${pragma}.addons.classSet`] = ['0.13.0', 'the npm module classnames']; deprecated[`${pragma}.addons.cloneWithProps`] = ['0.13.0', `${pragma}.cloneElement`]; // 0.14.0 deprecated[`${pragma}.render`] = ['0.14.0', 'ReactDOM.render']; deprecated[`${pragma}.unmountComponentAtNode`] = ['0.14.0', 'ReactDOM.unmountComponentAtNode']; deprecated[`${pragma}.findDOMNode`] = ['0.14.0', 'ReactDOM.findDOMNode']; deprecated[`${pragma}.renderToString`] = ['0.14.0', 'ReactDOMServer.renderToString']; deprecated[`${pragma}.renderToStaticMarkup`] = ['0.14.0', 'ReactDOMServer.renderToStaticMarkup']; // 15.0.0 deprecated[`${pragma}.addons.LinkedStateMixin`] = ['15.0.0']; deprecated['ReactPerf.printDOM'] = ['15.0.0', 'ReactPerf.printOperations']; deprecated['Perf.printDOM'] = ['15.0.0', 'Perf.printOperations']; deprecated['ReactPerf.getMeasurementsSummaryMap'] = ['15.0.0', 'ReactPerf.getWasted']; deprecated['Perf.getMeasurementsSummaryMap'] = ['15.0.0', 'Perf.getWasted']; // 15.5.0 deprecated[`${pragma}.createClass`] = ['15.5.0', 'the npm module create-react-class']; deprecated[`${pragma}.addons.TestUtils`] = ['15.5.0', 'ReactDOM.TestUtils']; deprecated[`${pragma}.PropTypes`] = ['15.5.0', 'the npm module prop-types']; // 15.6.0 deprecated[`${pragma}.DOM`] = ['15.6.0', 'the npm module react-dom-factories']; // 16.9.0 // For now the following life-cycle methods are just legacy, not deprecated: // `componentWillMount`, `componentWillReceiveProps`, `componentWillUpdate` // https://github.com/yannickcr/eslint-plugin-react/pull/1750#issuecomment-425975934 deprecated.componentWillMount = [ '16.9.0', 'UNSAFE_componentWillMount', 'https://reactjs.org/docs/react-component.html#unsafe_componentwillmount. ' + 'Use https://github.com/reactjs/react-codemod#rename-unsafe-lifecycles to automatically update your components.', ]; deprecated.componentWillReceiveProps = [ '16.9.0', 'UNSAFE_componentWillReceiveProps', 'https://reactjs.org/docs/react-component.html#unsafe_componentwillreceiveprops. ' + 'Use https://github.com/reactjs/react-codemod#rename-unsafe-lifecycles to automatically update your components.', ]; deprecated.componentWillUpdate = [ '16.9.0', 'UNSAFE_componentWillUpdate', 'https://reactjs.org/docs/react-component.html#unsafe_componentwillupdate. ' + 'Use https://github.com/reactjs/react-codemod#rename-unsafe-lifecycles to automatically update your components.', ]; // 18.0.0 // https://reactjs.org/blog/2022/03/08/react-18-upgrade-guide.html#deprecations deprecated['ReactDOM.render'] = [ '18.0.0', 'createRoot', 'https://reactjs.org/link/switch-to-createroot', ]; deprecated['ReactDOM.hydrate'] = [ '18.0.0', 'hydrateRoot', 'https://reactjs.org/link/switch-to-createroot', ]; deprecated['ReactDOM.unmountComponentAtNode'] = [ '18.0.0', 'root.unmount', 'https://reactjs.org/link/switch-to-createroot', ]; deprecated['ReactDOMServer.renderToNodeStream'] = [ '18.0.0', 'renderToPipeableStream', 'https://reactjs.org/docs/react-dom-server.html#rendertonodestream', ]; return deprecated; } const messages = { deprecated: '{{oldMethod}} is deprecated since React {{version}}{{newMethod}}{{refs}}', }; module.exports = { meta: { docs: { description: 'Disallow usage of deprecated methods', category: 'Best Practices', recommended: true, url: docsUrl('no-deprecated'), }, messages, schema: [], }, create(context) { const pragma = pragmaUtil.getFromContext(context); const deprecated = getDeprecated(pragma); function isDeprecated(method) { return ( deprecated && deprecated[method] && deprecated[method][0] && testReactVersion(context, `>= ${deprecated[method][0]}`) ); } function checkDeprecation(node, methodName, methodNode) { if (!isDeprecated(methodName)) { return; } const version = deprecated[methodName][0]; const newMethod = deprecated[methodName][1]; const refs = deprecated[methodName][2]; report(context, messages.deprecated, 'deprecated', { node: methodNode || node, data: { oldMethod: methodName, version, newMethod: newMethod ? `, use ${newMethod} instead` : '', refs: refs ? `, see ${refs}` : '', }, }); } function getReactModuleName(node) { let moduleName = false; if (!node.init) { return false; } entries(MODULES).some((entry) => { const key = entry[0]; const moduleNames = entry[1]; if ( node.init.arguments && node.init.arguments.length > 0 && node.init.arguments[0] && key === node.init.arguments[0].value ) { moduleName = MODULES[key][0]; } else { moduleName = moduleNames.find((name) => name === node.init.name); } return moduleName; }); return moduleName; } /** * Returns life cycle methods if available * @param {ASTNode} node The AST node being checked. * @returns {Array} The array of methods. */ function getLifeCycleMethods(node) { const properties = astUtil.getComponentProperties(node); return properties.map((property) => ({ name: astUtil.getPropertyName(property), node: astUtil.getPropertyNameNode(property), })); } /** * Checks life cycle methods * @param {ASTNode} node The AST node being checked. */ function checkLifeCycleMethods(node) { if ( componentUtil.isES5Component(node, context) || componentUtil.isES6Component(node, context) ) { const methods = getLifeCycleMethods(node); methods.forEach((method) => checkDeprecation(node, method.name, method.node)); } } // -------------------------------------------------------------------------- // Public // -------------------------------------------------------------------------- return { MemberExpression(node) { checkDeprecation(node, getText(context, node)); }, ImportDeclaration(node) { const isReactImport = typeof MODULES[node.source.value] !== 'undefined'; if (!isReactImport) { return; } node.specifiers.filter(((s) => s.imported)).forEach((specifier) => { checkDeprecation(node, `${MODULES[node.source.value][0]}.${specifier.imported.name}`, specifier); }); }, VariableDeclarator(node) { const reactModuleName = getReactModuleName(node); const isRequire = node.init && node.init.callee && node.init.callee.name === 'require'; const isReactRequire = node.init && node.init.arguments && node.init.arguments.length && typeof MODULES[node.init.arguments[0].value] !== 'undefined'; const isDestructuring = node.id && node.id.type === 'ObjectPattern'; if ( !(isDestructuring && reactModuleName) && !(isDestructuring && isRequire && isReactRequire) ) { return; } node.id.properties.filter((p) => p.type !== 'RestElement' && p.key).forEach((property) => { checkDeprecation(node, `${reactModuleName || pragma}.${property.key.name}`, property); }); }, ClassDeclaration: checkLifeCycleMethods, ClassExpression: checkLifeCycleMethods, ObjectExpression: checkLifeCycleMethods, }; }, };