| 1 | /** |
| 2 | * Copyright (c) Meta Platforms, Inc. and affiliates. |
| 3 | * |
| 4 | * This source code is licensed under the MIT license found in the |
| 5 | * LICENSE file in the root directory of this source tree. |
| 6 | * |
| 7 | * @emails react-core |
| 8 | */ |
| 9 | |
| 10 | 'use strict'; |
| 11 | |
| 12 | module.exports = { |
| 13 | meta: { |
| 14 | fixable: 'code', |
| 15 | schema: [], |
| 16 | }, |
| 17 | create: function (context) { |
| 18 | function isInDEVBlock(node) { |
| 19 | let done = false; |
| 20 | while (!done) { |
| 21 | let parent = node.parent; |
| 22 | if (!parent) { |
| 23 | return false; |
| 24 | } |
| 25 | if ( |
| 26 | parent.type === 'IfStatement' && |
| 27 | node === parent.consequent && |
| 28 | parent.test.type === 'Identifier' && |
| 29 | // This is intentionally strict so we can |
| 30 | // see blocks of DEV-only code at once. |
| 31 | parent.test.name === '__DEV__' |
| 32 | ) { |
| 33 | return true; |
| 34 | } |
| 35 | node = parent; |
| 36 | } |
| 37 | } |
| 38 | |
| 39 | function reportWrapInDEV(node) { |
| 40 | context.report({ |
| 41 | node: node, |
| 42 | message: `Wrap console.{{identifier}}() in an "if (__DEV__) {}" check`, |
| 43 | data: { |
| 44 | identifier: node.property.name, |
| 45 | }, |
| 46 | fix: function (fixer) { |
| 47 | return [ |
| 48 | fixer.insertTextBefore(node.parent, `if (__DEV__) {`), |
| 49 | fixer.insertTextAfter(node.parent, '}'), |
| 50 | ]; |
| 51 | }, |
| 52 | }); |
| 53 | } |
| 54 | |
| 55 | function reportUnexpectedConsole(node) { |
| 56 | context.report({ |
| 57 | node: node, |
| 58 | message: `Unexpected use of console`, |
| 59 | }); |
| 60 | } |
| 61 | |
| 62 | return { |
| 63 | MemberExpression: function (node) { |
| 64 | if ( |
| 65 | node.object.type === 'Identifier' && |
| 66 | node.object.name === 'console' && |
| 67 | node.property.type === 'Identifier' |
| 68 | ) { |
| 69 | switch (node.property.name) { |
| 70 | case 'error': |
| 71 | case 'warn': { |
| 72 | if (!isInDEVBlock(node)) { |
| 73 | reportWrapInDEV(node); |
| 74 | } |
| 75 | break; |
| 76 | } |
| 77 | default: { |
| 78 | reportUnexpectedConsole(node); |
| 79 | break; |
| 80 | } |
| 81 | } |
| 82 | } |
| 83 | }, |
| 84 | }; |
| 85 | }, |
| 86 | }; |