[0c6b92a] | 1 | /**
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| 2 | * @fileoverview Require all forwardRef components include a ref parameter
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| 3 | */
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| 4 |
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| 5 | 'use strict';
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| 6 |
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| 7 | const isParenthesized = require('../util/ast').isParenthesized;
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| 8 | const docsUrl = require('../util/docsUrl');
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| 9 | const report = require('../util/report');
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| 10 | const getMessageData = require('../util/message');
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| 11 |
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| 12 | // ------------------------------------------------------------------------------
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| 13 | // Rule Definition
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| 14 | // ------------------------------------------------------------------------------
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| 15 |
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| 16 | /**
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| 17 | * @param {ASTNode} node
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| 18 | * @returns {boolean} If the node represents the identifier `forwardRef`.
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| 19 | */
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| 20 | function isForwardRefIdentifier(node) {
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| 21 | return node.type === 'Identifier' && node.name === 'forwardRef';
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| 22 | }
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| 23 |
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| 24 | /**
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| 25 | * @param {ASTNode} node
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| 26 | * @returns {boolean} If the node represents a function call `forwardRef()` or `React.forwardRef()`.
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| 27 | */
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| 28 | function isForwardRefCall(node) {
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| 29 | return (
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| 30 | node.type === 'CallExpression'
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| 31 | && (
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| 32 | isForwardRefIdentifier(node.callee)
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| 33 | || (node.callee.type === 'MemberExpression' && isForwardRefIdentifier(node.callee.property))
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| 34 | )
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| 35 | );
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| 36 | }
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| 37 |
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| 38 | const messages = {
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| 39 | missingRefParameter: 'forwardRef is used with this component but no ref parameter is set',
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| 40 | addRefParameter: 'Add a ref parameter',
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| 41 | removeForwardRef: 'Remove forwardRef wrapper',
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| 42 | };
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| 43 |
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| 44 | module.exports = {
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| 45 | meta: {
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| 46 | docs: {
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| 47 | description: 'Require all forwardRef components include a ref parameter',
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| 48 | category: 'Possible Errors',
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| 49 | recommended: false,
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| 50 | url: docsUrl('forward-ref-uses-ref'),
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| 51 | },
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| 52 | messages,
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| 53 | schema: [],
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| 54 | type: 'suggestion',
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| 55 | hasSuggestions: true,
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| 56 | },
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| 57 |
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| 58 | create(context) {
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| 59 | const sourceCode = context.getSourceCode();
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| 60 |
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| 61 | return {
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| 62 | 'FunctionExpression, ArrowFunctionExpression'(node) {
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| 63 | if (!isForwardRefCall(node.parent)) {
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| 64 | return;
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| 65 | }
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| 66 |
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| 67 | if (node.params.length === 1) {
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| 68 | report(context, messages.missingRefParameter, 'missingRefParameter', {
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| 69 | node,
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| 70 | suggest: [
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| 71 | Object.assign(
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| 72 | getMessageData('addRefParameter', messages.addRefParameter),
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| 73 | {
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| 74 | fix(fixer) {
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| 75 | const param = node.params[0];
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| 76 | // If using shorthand arrow function syntax, add parentheses around the new parameter pair
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| 77 | const shouldAddParentheses = node.type === 'ArrowFunctionExpression' && !isParenthesized(context, param);
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| 78 | return [].concat(
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| 79 | shouldAddParentheses ? fixer.insertTextBefore(param, '(') : [],
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| 80 | fixer.insertTextAfter(param, `, ref${shouldAddParentheses ? ')' : ''}`)
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| 81 | );
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| 82 | },
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| 83 | }
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| 84 | ),
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| 85 | Object.assign(
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| 86 | getMessageData('removeForwardRef', messages.removeForwardRef),
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| 87 | {
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| 88 | fix(fixer) {
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| 89 | return fixer.replaceText(node.parent, sourceCode.getText(node));
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| 90 | },
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| 91 | }
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| 92 | ),
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| 93 | ],
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| 94 | });
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| 95 | }
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| 96 | },
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| 97 | };
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| 98 | },
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| 99 | };
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