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83 lines
2.3 KiB
Plaintext
83 lines
2.3 KiB
Plaintext
/**
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* @fileoverview Prevent usage of the return value of React.render
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* @author Dustan Kasten
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*/
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'use strict';
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const testReactVersion = require('../util/version').testReactVersion;
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const docsUrl = require('../util/docsUrl');
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const report = require('../util/report');
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// ------------------------------------------------------------------------------
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// Rule Definition
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// ------------------------------------------------------------------------------
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const messages = {
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noReturnValue: 'Do not depend on the return value from {{node}}.render',
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};
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/** @type {import('eslint').Rule.RuleModule} */
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module.exports = {
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meta: {
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docs: {
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description: 'Disallow usage of the return value of ReactDOM.render',
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category: 'Best Practices',
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recommended: true,
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url: docsUrl('no-render-return-value'),
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},
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messages,
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schema: [],
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},
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create(context) {
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// --------------------------------------------------------------------------
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// Public
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// --------------------------------------------------------------------------
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let calleeObjectName = /^ReactDOM$/;
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if (testReactVersion(context, '>= 15.0.0')) {
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calleeObjectName = /^ReactDOM$/;
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} else if (testReactVersion(context, '^0.14.0')) {
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calleeObjectName = /^React(DOM)?$/;
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} else if (testReactVersion(context, '^0.13.0')) {
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calleeObjectName = /^React$/;
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}
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return {
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CallExpression(node) {
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const callee = node.callee;
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const parent = node.parent;
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if (callee.type !== 'MemberExpression') {
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return;
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}
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if (
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callee.object.type !== 'Identifier'
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|| !calleeObjectName.test(callee.object.name)
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|| (!('name' in callee.property) || callee.property.name !== 'render')
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) {
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return;
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}
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if (
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parent.type === 'VariableDeclarator'
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|| parent.type === 'Property'
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|| parent.type === 'ReturnStatement'
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|| parent.type === 'ArrowFunctionExpression'
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|| parent.type === 'AssignmentExpression'
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) {
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report(context, messages.noReturnValue, 'noReturnValue', {
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node: callee,
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data: {
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node: callee.object.name,
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},
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});
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}
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},
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};
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},
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};
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