1 | /**
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2 | * @fileoverview Forbid certain elements
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3 | * @author Kenneth Chung
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4 | */
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5 |
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6 | 'use strict';
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7 |
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8 | const has = require('hasown');
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9 | const docsUrl = require('../util/docsUrl');
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10 | const getText = require('../util/eslint').getText;
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11 | const isCreateElement = require('../util/isCreateElement');
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12 | const report = require('../util/report');
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13 |
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14 | // ------------------------------------------------------------------------------
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15 | // Rule Definition
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16 | // ------------------------------------------------------------------------------
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17 |
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18 | const messages = {
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19 | forbiddenElement: '<{{element}}> is forbidden',
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20 | forbiddenElement_message: '<{{element}}> is forbidden, {{message}}',
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21 | };
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22 |
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23 | module.exports = {
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24 | meta: {
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25 | docs: {
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26 | description: 'Disallow certain elements',
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27 | category: 'Best Practices',
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28 | recommended: false,
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29 | url: docsUrl('forbid-elements'),
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30 | },
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31 |
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32 | messages,
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33 |
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34 | schema: [{
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35 | type: 'object',
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36 | properties: {
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37 | forbid: {
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38 | type: 'array',
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39 | items: {
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40 | anyOf: [
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41 | { type: 'string' },
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42 | {
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43 | type: 'object',
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44 | properties: {
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45 | element: { type: 'string' },
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46 | message: { type: 'string' },
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47 | },
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48 | required: ['element'],
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49 | additionalProperties: false,
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50 | },
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51 | ],
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52 | },
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53 | },
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54 | },
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55 | additionalProperties: false,
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56 | }],
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57 | },
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58 |
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59 | create(context) {
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60 | const configuration = context.options[0] || {};
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61 | const forbidConfiguration = configuration.forbid || [];
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62 |
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63 | /** @type {Record<string, { element: string, message?: string }>} */
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64 | const indexedForbidConfigs = {};
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65 |
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66 | forbidConfiguration.forEach((item) => {
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67 | if (typeof item === 'string') {
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68 | indexedForbidConfigs[item] = { element: item };
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69 | } else {
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70 | indexedForbidConfigs[item.element] = item;
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71 | }
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72 | });
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73 |
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74 | function reportIfForbidden(element, node) {
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75 | if (has(indexedForbidConfigs, element)) {
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76 | const message = indexedForbidConfigs[element].message;
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77 |
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78 | report(
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79 | context,
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80 | message ? messages.forbiddenElement_message : messages.forbiddenElement,
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81 | message ? 'forbiddenElement_message' : 'forbiddenElement',
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82 | {
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83 | node,
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84 | data: {
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85 | element,
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86 | message,
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87 | },
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88 | }
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89 | );
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90 | }
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91 | }
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92 |
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93 | return {
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94 | JSXOpeningElement(node) {
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95 | reportIfForbidden(getText(context, node.name), node.name);
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96 | },
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97 |
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98 | CallExpression(node) {
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99 | if (!isCreateElement(context, node)) {
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100 | return;
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101 | }
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102 |
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103 | const argument = node.arguments[0];
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104 | if (!argument) {
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105 | return;
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106 | }
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107 |
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108 | const argType = argument.type;
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109 |
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110 | if (argType === 'Identifier' && /^[A-Z_]/.test(argument.name)) {
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111 | reportIfForbidden(argument.name, argument);
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112 | } else if (argType === 'Literal' && /^[a-z][^.]*$/.test(argument.value)) {
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113 | reportIfForbidden(argument.value, argument);
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114 | } else if (argType === 'MemberExpression') {
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115 | reportIfForbidden(getText(context, argument), argument);
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116 | }
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117 | },
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118 | };
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119 | },
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120 | };
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