Add components

slider/node_modules/eslint-plugin-vue/lib/rules/require-default-export.js

@@ -0,0 +1,68 @@
+/**
+ * @author ItMaga
+ * See LICENSE file in root directory for full license.
+ */
+'use strict'
+
+const utils = require('../utils')
+
+module.exports = {
+  meta: {
+    type: 'problem',
+    docs: {
+      description: 'require components to be the default export',
+      categories: undefined,
+      url: 'https://eslint.vuejs.org/rules/require-default-export.html'
+    },
+    fixable: null,
+    schema: [],
+    messages: {
+      missing: 'Missing default export.',
+      mustBeDefaultExport: 'Component must be the default export.'
+    }
+  },
+  /** @param {RuleContext} context */
+  create(context) {
+    const sourceCode = context.getSourceCode()
+    const documentFragment = sourceCode.parserServices.getDocumentFragment?.()
+
+    const hasScript =
+      documentFragment &&
+      documentFragment.children.some(
+        (e) => utils.isVElement(e) && e.name === 'script'
+      )
+
+    if (utils.isScriptSetup(context) || !hasScript) {
+      return {}
+    }
+
+    let hasDefaultExport = false
+    let hasDefinedComponent = false
+
+    return utils.compositingVisitors(
+      utils.defineVueVisitor(context, {
+        onVueObjectExit() {
+          hasDefinedComponent = true
+        }
+      }),
+
+      {
+        'Program > ExportDefaultDeclaration'() {
+          hasDefaultExport = true
+        },
+
+        /**
+         * @param {Program} node
+         */
+        'Program:exit'(node) {
+          if (!hasDefaultExport && node.body.length > 0) {
+            context.report({
+              loc: node.tokens[node.tokens.length - 1].loc,
+              messageId: hasDefinedComponent ? 'mustBeDefaultExport' : 'missing'
+            })
+          }
+        }
+      }
+    )
+  }
+}