[d565449] | 1 | /**
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| 2 | * @fileoverview Rule to disallow certain object properties
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| 3 | * @author Will Klein & Eli White
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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 astUtils = require("./utils/ast-utils");
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| 9 |
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| 10 | //------------------------------------------------------------------------------
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| 11 | // Rule Definition
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| 12 | //------------------------------------------------------------------------------
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| 13 |
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| 14 | /** @type {import('../shared/types').Rule} */
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| 15 | module.exports = {
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| 16 | meta: {
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| 17 | type: "suggestion",
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| 18 |
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| 19 | docs: {
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| 20 | description: "Disallow certain properties on certain objects",
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| 21 | recommended: false,
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| 22 | url: "https://eslint.org/docs/latest/rules/no-restricted-properties"
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| 23 | },
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| 24 |
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| 25 | schema: {
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| 26 | type: "array",
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| 27 | items: {
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| 28 | anyOf: [ // `object` and `property` are both optional, but at least one of them must be provided.
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| 29 | {
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| 30 | type: "object",
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| 31 | properties: {
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| 32 | object: {
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| 33 | type: "string"
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| 34 | },
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| 35 | property: {
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| 36 | type: "string"
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| 37 | },
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| 38 | message: {
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| 39 | type: "string"
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| 40 | }
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| 41 | },
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| 42 | additionalProperties: false,
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| 43 | required: ["object"]
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| 44 | },
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| 45 | {
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| 46 | type: "object",
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| 47 | properties: {
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| 48 | object: {
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| 49 | type: "string"
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| 50 | },
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| 51 | property: {
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| 52 | type: "string"
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| 53 | },
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| 54 | message: {
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| 55 | type: "string"
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| 56 | }
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| 57 | },
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| 58 | additionalProperties: false,
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| 59 | required: ["property"]
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| 60 | }
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| 61 | ]
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| 62 | },
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| 63 | uniqueItems: true
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| 64 | },
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| 65 |
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| 66 | messages: {
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| 67 | // eslint-disable-next-line eslint-plugin/report-message-format -- Custom message might not end in a period
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| 68 | restrictedObjectProperty: "'{{objectName}}.{{propertyName}}' is restricted from being used.{{message}}",
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| 69 | // eslint-disable-next-line eslint-plugin/report-message-format -- Custom message might not end in a period
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| 70 | restrictedProperty: "'{{propertyName}}' is restricted from being used.{{message}}"
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| 71 | }
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| 72 | },
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| 73 |
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| 74 | create(context) {
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| 75 | const restrictedCalls = context.options;
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| 76 |
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| 77 | if (restrictedCalls.length === 0) {
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| 78 | return {};
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| 79 | }
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| 80 |
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| 81 | const restrictedProperties = new Map();
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| 82 | const globallyRestrictedObjects = new Map();
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| 83 | const globallyRestrictedProperties = new Map();
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| 84 |
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| 85 | restrictedCalls.forEach(option => {
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| 86 | const objectName = option.object;
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| 87 | const propertyName = option.property;
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| 88 |
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| 89 | if (typeof objectName === "undefined") {
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| 90 | globallyRestrictedProperties.set(propertyName, { message: option.message });
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| 91 | } else if (typeof propertyName === "undefined") {
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| 92 | globallyRestrictedObjects.set(objectName, { message: option.message });
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| 93 | } else {
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| 94 | if (!restrictedProperties.has(objectName)) {
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| 95 | restrictedProperties.set(objectName, new Map());
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| 96 | }
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| 97 |
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| 98 | restrictedProperties.get(objectName).set(propertyName, {
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| 99 | message: option.message
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| 100 | });
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| 101 | }
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| 102 | });
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| 103 |
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| 104 | /**
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| 105 | * Checks to see whether a property access is restricted, and reports it if so.
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| 106 | * @param {ASTNode} node The node to report
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| 107 | * @param {string} objectName The name of the object
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| 108 | * @param {string} propertyName The name of the property
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| 109 | * @returns {undefined}
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| 110 | */
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| 111 | function checkPropertyAccess(node, objectName, propertyName) {
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| 112 | if (propertyName === null) {
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| 113 | return;
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| 114 | }
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| 115 | const matchedObject = restrictedProperties.get(objectName);
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| 116 | const matchedObjectProperty = matchedObject ? matchedObject.get(propertyName) : globallyRestrictedObjects.get(objectName);
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| 117 | const globalMatchedProperty = globallyRestrictedProperties.get(propertyName);
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| 118 |
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| 119 | if (matchedObjectProperty) {
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| 120 | const message = matchedObjectProperty.message ? ` ${matchedObjectProperty.message}` : "";
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| 121 |
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| 122 | context.report({
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| 123 | node,
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| 124 | messageId: "restrictedObjectProperty",
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| 125 | data: {
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| 126 | objectName,
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| 127 | propertyName,
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| 128 | message
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| 129 | }
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| 130 | });
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| 131 | } else if (globalMatchedProperty) {
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| 132 | const message = globalMatchedProperty.message ? ` ${globalMatchedProperty.message}` : "";
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| 133 |
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| 134 | context.report({
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| 135 | node,
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| 136 | messageId: "restrictedProperty",
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| 137 | data: {
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| 138 | propertyName,
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| 139 | message
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| 140 | }
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| 141 | });
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| 142 | }
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| 143 | }
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| 144 |
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| 145 | return {
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| 146 | MemberExpression(node) {
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| 147 | checkPropertyAccess(node, node.object && node.object.name, astUtils.getStaticPropertyName(node));
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| 148 | },
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| 149 | ObjectPattern(node) {
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| 150 | let objectName = null;
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| 151 |
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| 152 | if (node.parent.type === "VariableDeclarator") {
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| 153 | if (node.parent.init && node.parent.init.type === "Identifier") {
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| 154 | objectName = node.parent.init.name;
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| 155 | }
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| 156 | } else if (node.parent.type === "AssignmentExpression" || node.parent.type === "AssignmentPattern") {
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| 157 | if (node.parent.right.type === "Identifier") {
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| 158 | objectName = node.parent.right.name;
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| 159 | }
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| 160 | }
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| 161 |
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| 162 | node.properties.forEach(property => {
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| 163 | checkPropertyAccess(node, objectName, astUtils.getStaticPropertyName(property));
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| 164 | });
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| 165 | }
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| 166 | };
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| 167 | }
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| 168 | };
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