update socials section

node_modules/eslint/lib/rules/prefer-object-has-own.js

@@ -0,0 +1,114 @@
+/**
+ * @fileoverview Prefers Object.hasOwn() instead of Object.prototype.hasOwnProperty.call()
+ * @author Nitin Kumar
+ * @author Gautam Arora
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks if the given node is considered to be an access to a property of `Object.prototype`.
+ * @param {ASTNode} node `MemberExpression` node to evaluate.
+ * @returns {boolean} `true` if `node.object` is `Object`, `Object.prototype`, or `{}` (empty 'ObjectExpression' node).
+ */
+function hasLeftHandObject(node) {
+
+    /*
+     * ({}).hasOwnProperty.call(obj, prop) - `true`
+     * ({ foo }.hasOwnProperty.call(obj, prop)) - `false`, object literal should be empty
+     */
+    if (node.object.type === "ObjectExpression" && node.object.properties.length === 0) {
+        return true;
+    }
+
+    const objectNodeToCheck = node.object.type === "MemberExpression" && astUtils.getStaticPropertyName(node.object) === "prototype" ? node.object.object : node.object;
+
+    if (objectNodeToCheck.type === "Identifier" && objectNodeToCheck.name === "Object") {
+        return true;
+    }
+
+    return false;
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+/** @type {import('../shared/types').Rule} */
+module.exports = {
+    meta: {
+        type: "suggestion",
+        docs: {
+            description:
+                "Disallow use of `Object.prototype.hasOwnProperty.call()` and prefer use of `Object.hasOwn()`",
+            recommended: false,
+            url: "https://eslint.org/docs/latest/rules/prefer-object-has-own"
+        },
+        schema: [],
+        messages: {
+            useHasOwn: "Use 'Object.hasOwn()' instead of 'Object.prototype.hasOwnProperty.call()'."
+        },
+        fixable: "code"
+    },
+    create(context) {
+
+        const sourceCode = context.sourceCode;
+
+        return {
+            CallExpression(node) {
+                if (!(node.callee.type === "MemberExpression" && node.callee.object.type === "MemberExpression")) {
+                    return;
+                }
+
+                const calleePropertyName = astUtils.getStaticPropertyName(node.callee);
+                const objectPropertyName = astUtils.getStaticPropertyName(node.callee.object);
+                const isObject = hasLeftHandObject(node.callee.object);
+
+                // check `Object` scope
+                const scope = sourceCode.getScope(node);
+                const variable = astUtils.getVariableByName(scope, "Object");
+
+                if (
+                    calleePropertyName === "call" &&
+                    objectPropertyName === "hasOwnProperty" &&
+                    isObject &&
+                    variable && variable.scope.type === "global"
+                ) {
+                    context.report({
+                        node,
+                        messageId: "useHasOwn",
+                        fix(fixer) {
+
+                            if (sourceCode.getCommentsInside(node.callee).length > 0) {
+                                return null;
+                            }
+
+                            const tokenJustBeforeNode = sourceCode.getTokenBefore(node.callee, { includeComments: true });
+
+                            // for https://github.com/eslint/eslint/pull/15346#issuecomment-991417335
+                            if (
+                                tokenJustBeforeNode &&
+                                tokenJustBeforeNode.range[1] === node.callee.range[0] &&
+                                !astUtils.canTokensBeAdjacent(tokenJustBeforeNode, "Object.hasOwn")
+                            ) {
+                                return fixer.replaceText(node.callee, " Object.hasOwn");
+                            }
+
+                            return fixer.replaceText(node.callee, "Object.hasOwn");
+                        }
+                    });
+                }
+            }
+        };
+    }
+};