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app_vue/node_modules/eslint-plugin-vue/lib/rules/no-export-in-script-setup.js

@@ -0,0 +1,60 @@
+/**
+ * @author Yosuke Ota
+ * See LICENSE file in root directory for full license.
+ */
+'use strict'
+
+const utils = require('../utils')
+
+/**
+ * @typedef {import('@typescript-eslint/types').TSESTree.ExportAllDeclaration} TSESTreeExportAllDeclaration
+ * @typedef {import('@typescript-eslint/types').TSESTree.ExportDefaultDeclaration} TSESTreeExportDefaultDeclaration
+ * @typedef {import('@typescript-eslint/types').TSESTree.ExportNamedDeclaration} TSESTreeExportNamedDeclaration
+ */
+
+module.exports = {
+  meta: {
+    type: 'problem',
+    docs: {
+      description: 'disallow `export` in `<script setup>`',
+      categories: ['vue3-essential'],
+      url: 'https://eslint.vuejs.org/rules/no-export-in-script-setup.html'
+    },
+    fixable: null,
+    schema: [],
+    messages: {
+      forbidden: '`<script setup>` cannot contain ES module exports.'
+    }
+  },
+  /** @param {RuleContext} context */
+  create(context) {
+    /** @param {ExportAllDeclaration | ExportDefaultDeclaration | ExportNamedDeclaration} node */
+    function verify(node) {
+      const tsNode =
+        /** @type {TSESTreeExportAllDeclaration | TSESTreeExportDefaultDeclaration | TSESTreeExportNamedDeclaration} */ (
+          node
+        )
+      if (tsNode.exportKind === 'type') {
+        return
+      }
+      if (tsNode.type === 'ExportNamedDeclaration') {
+        if (
+          tsNode.specifiers.length > 0 &&
+          tsNode.specifiers.every((spec) => spec.exportKind === 'type')
+        ) {
+          return
+        }
+      }
+      context.report({
+        node,
+        messageId: 'forbidden'
+      })
+    }
+
+    return utils.defineScriptSetupVisitor(context, {
+      ExportAllDeclaration: verify,
+      ExportDefaultDeclaration: verify,
+      ExportNamedDeclaration: verify
+    })
+  }
+}