including-modules

2026-05-03 00:14:08 +02:00
parent ec83a0d879
commit 39a8a128be
20434 changed files with 3906546 additions and 3 deletions
@@ -0,0 +1,63 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+Object.defineProperty(exports, "default", {
+    enumerable: true,
+    get: function() {
+        return _default;
+    }
+});
+var _definerule = require("../utils/define-rule");
+var url = 'https://nextjs.org/docs/messages/no-duplicate-head';
+var _default = (0, _definerule.defineRule)({
+    meta: {
+        docs: {
+            description: 'Prevent duplicate usage of `<Head>` in `pages/_document.js`.',
+            recommended: true,
+            url: url
+        },
+        type: 'problem',
+        schema: []
+    },
+    create: function create(context) {
+        var sourceCode = context.sourceCode;
+        var documentImportName;
+        return {
+            ImportDeclaration: function ImportDeclaration(node) {
+                if (node.source.value === 'next/document') {
+                    var documentImport = node.specifiers.find(function(param) {
+                        var type = param.type;
+                        return type === 'ImportDefaultSpecifier';
+                    });
+                    if (documentImport && documentImport.local) {
+                        documentImportName = documentImport.local.name;
+                    }
+                }
+            },
+            ReturnStatement: function ReturnStatement(node) {
+                var ancestors = sourceCode.getAncestors(node);
+                var documentClass = ancestors.find(function(ancestorNode) {
+                    return ancestorNode.type === 'ClassDeclaration' && ancestorNode.superClass && 'name' in ancestorNode.superClass && ancestorNode.superClass.name === documentImportName;
+                });
+                if (!documentClass) {
+                    return;
+                }
+                if (node.argument && 'children' in node.argument && node.argument.children) {
+                    // @ts-expect-error - `node.argument` could be a `JSXElement` which has property `children`
+                    var headComponents = node.argument.children.filter(function(childrenNode) {
+                        return childrenNode.openingElement && childrenNode.openingElement.name && childrenNode.openingElement.name.name === 'Head';
+                    });
+                    if (headComponents.length > 1) {
+                        for(var i = 1; i < headComponents.length; i++){
+                            context.report({
+                                node: headComponents[i],
+                                message: "Do not include multiple instances of `<Head/>`. See: ".concat(url)
+                            });
+                        }
+                    }
+                }
+            }
+        };
+    }
+});