1 files changed, 173 insertions, 0 deletions
diff --git a/tools/node_modules/eslint/lib/rules/no-restricted-properties.js b/tools/node_modules/eslint/lib/rules/no-restricted-properties.js
new file mode 100644
index 0000000000..cdc73f9e41
--- /dev/null
+++ b/tools/node_modules/eslint/lib/rules/no-restricted-properties.js
@@ -0,0 +1,173 @@
+/**
+ * @fileoverview Rule to disallow certain object properties
+ * @author Will Klein & Eli White
+ */
+
+"use strict";
+
+const astUtils = require("../ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        docs: {
+            description: "disallow certain properties on certain objects",
+            category: "Best Practices",
+            recommended: false
+        },
+
+        schema: {
+            type: "array",
+            items: {
+                anyOf: [ // `object` and `property` are both optional, but at least one of them must be provided.
+                    {
+                        type: "object",
+                        properties: {
+                            object: {
+                                type: "string"
+                            },
+                            property: {
+                                type: "string"
+                            },
+                            message: {
+                                type: "string"
+                            }
+                        },
+                        additionalProperties: false,
+                        required: ["object"]
+                    },
+                    {
+                        type: "object",
+                        properties: {
+                            object: {
+                                type: "string"
+                            },
+                            property: {
+                                type: "string"
+                            },
+                            message: {
+                                type: "string"
+                            }
+                        },
+                        additionalProperties: false,
+                        required: ["property"]
+                    }
+                ]
+            },
+            uniqueItems: true
+        }
+    },
+
+    create(context) {
+        const restrictedCalls = context.options;
+
+        if (restrictedCalls.length === 0) {
+            return {};
+        }
+
+        const restrictedProperties = new Map();
+        const globallyRestrictedObjects = new Map();
+        const globallyRestrictedProperties = new Map();
+
+        restrictedCalls.forEach(option => {
+            const objectName = option.object;
+            const propertyName = option.property;
+
+            if (typeof objectName === "undefined") {
+                globallyRestrictedProperties.set(propertyName, { message: option.message });
+            } else if (typeof propertyName === "undefined") {
+                globallyRestrictedObjects.set(objectName, { message: option.message });
+            } else {
+                if (!restrictedProperties.has(objectName)) {
+                    restrictedProperties.set(objectName, new Map());
+                }
+
+                restrictedProperties.get(objectName).set(propertyName, {
+                    message: option.message
+                });
+            }
+        });
+
+        /**
+         * Checks to see whether a property access is restricted, and reports it if so.
+         * @param {ASTNode} node The node to report
+         * @param {string} objectName The name of the object
+         * @param {string} propertyName The name of the property
+         * @returns {undefined}
+         */
+        function checkPropertyAccess(node, objectName, propertyName) {
+            if (propertyName === null) {
+                return;
+            }
+            const matchedObject = restrictedProperties.get(objectName);
+            const matchedObjectProperty = matchedObject ? matchedObject.get(propertyName) : globallyRestrictedObjects.get(objectName);
+            const globalMatchedProperty = globallyRestrictedProperties.get(propertyName);
+
+            if (matchedObjectProperty) {
+                const message = matchedObjectProperty.message ? ` ${matchedObjectProperty.message}` : "";
+
+                context.report({
+                    node,
+                    // eslint-disable-next-line eslint-plugin/report-message-format
+                    message: "'{{objectName}}.{{propertyName}}' is restricted from being used.{{message}}",
+                    data: {
+                        objectName,
+                        propertyName,
+                        message
+                    }
+                });
+            } else if (globalMatchedProperty) {
+                const message = globalMatchedProperty.message ? ` ${globalMatchedProperty.message}` : "";
+
+                context.report({
+                    node,
+                    // eslint-disable-next-line eslint-plugin/report-message-format
+                    message: "'{{propertyName}}' is restricted from being used.{{message}}",
+                    data: {
+                        propertyName,
+                        message
+                    }
+                });
+            }
+        }
+
+        /**
+         * Checks property accesses in a destructuring assignment expression, e.g. `var foo; ({foo} = bar);`
+         * @param {ASTNode} node An AssignmentExpression or AssignmentPattern node
+         * @returns {undefined}
+         */
+        function checkDestructuringAssignment(node) {
+            if (node.right.type === "Identifier") {
+                const objectName = node.right.name;
+
+                if (node.left.type === "ObjectPattern") {
+                    node.left.properties.forEach(property => {
+                        checkPropertyAccess(node.left, objectName, astUtils.getStaticPropertyName(property));
+                    });
+                }
+            }
+        }
+
+        return {
+            MemberExpression(node) {
+                checkPropertyAccess(node, node.object && node.object.name, astUtils.getStaticPropertyName(node));
+            },
+            VariableDeclarator(node) {
+                if (node.init && node.init.type === "Identifier") {
+                    const objectName = node.init.name;
+
+                    if (node.id.type === "ObjectPattern") {
+                        node.id.properties.forEach(property => {
+                            checkPropertyAccess(node.id, objectName, astUtils.getStaticPropertyName(property));
+                        });
+                    }
+                }
+            },
+            AssignmentExpression: checkDestructuringAssignment,
+            AssignmentPattern: checkDestructuringAssignment
+        };
+    }
+};