From 426f5afe4af8ca0a854616a9918473c5cff73cf2 Mon Sep 17 00:00:00 2001
From: ItMaga <m-chemurziev@ya.ru>
Date: Sun, 30 Jun 2024 22:04:48 +0300
Subject: [PATCH 01/11] Add `vue/require-default-export` rule

---
 docs/rules/index.md                       |   1 +
 docs/rules/object-curly-newline.md        |   2 +-
 docs/rules/object-property-newline.md     |   2 +-
 docs/rules/require-default-export.md      |  54 +++++++++
 lib/configs/flat/vue2-essential.js        |   1 +
 lib/configs/flat/vue3-essential.js        |   1 +
 lib/configs/vue2-essential.js             |   1 +
 lib/configs/vue3-essential.js             |   1 +
 lib/index.js                              |   1 +
 lib/rules/require-default-export.js       |  47 ++++++++
 tests/lib/rules/require-default-export.js | 136 ++++++++++++++++++++++
 11 files changed, 245 insertions(+), 2 deletions(-)
 create mode 100644 docs/rules/require-default-export.md
 create mode 100644 lib/rules/require-default-export.js
 create mode 100644 tests/lib/rules/require-default-export.js

diff --git a/docs/rules/index.md b/docs/rules/index.md
index e718603f8..bb3fd0a16 100644
--- a/docs/rules/index.md
+++ b/docs/rules/index.md
@@ -95,6 +95,7 @@ Rules in this category are enabled for all presets provided by eslint-plugin-vue
 | [vue/no-watch-after-await](./no-watch-after-await.md) | disallow asynchronously registered `watch` |  | :three::hammer: |
 | [vue/prefer-import-from-vue](./prefer-import-from-vue.md) | enforce import from 'vue' instead of import from '@vue/*' | :wrench: | :three::hammer: |
 | [vue/require-component-is](./require-component-is.md) | require `v-bind:is` of `<component>` elements |  | :three::two::warning: |
+| [vue/require-default-export](./require-default-export.md) | require default export |  | :three::two::warning: |
 | [vue/require-prop-type-constructor](./require-prop-type-constructor.md) | require prop type to be a constructor | :wrench: | :three::two::hammer: |
 | [vue/require-render-return](./require-render-return.md) | enforce render function to always return value |  | :three::two::warning: |
 | [vue/require-slots-as-functions](./require-slots-as-functions.md) | enforce properties of `$slots` to be used as a function |  | :three::warning: |
diff --git a/docs/rules/object-curly-newline.md b/docs/rules/object-curly-newline.md
index c4743c261..f0b0bf677 100644
--- a/docs/rules/object-curly-newline.md
+++ b/docs/rules/object-curly-newline.md
@@ -36,4 +36,4 @@ This rule was introduced in eslint-plugin-vue v7.0.0
 - [Rule source](https://github.com/vuejs/eslint-plugin-vue/blob/master/lib/rules/object-curly-newline.js)
 - [Test source](https://github.com/vuejs/eslint-plugin-vue/blob/master/tests/lib/rules/object-curly-newline.js)
 
-<sup>Taken with ❤️ [from ESLint Stylistic](https://eslint.style/rules/js/object-curly-newline)</sup>
+<sup>Taken with ❤️ [from ESLint Stylistic](https://eslint.style/rules/ts/object-curly-newline)</sup>
diff --git a/docs/rules/object-property-newline.md b/docs/rules/object-property-newline.md
index c6e315c08..bfba0c0a2 100644
--- a/docs/rules/object-property-newline.md
+++ b/docs/rules/object-property-newline.md
@@ -36,4 +36,4 @@ This rule was introduced in eslint-plugin-vue v7.0.0
 - [Rule source](https://github.com/vuejs/eslint-plugin-vue/blob/master/lib/rules/object-property-newline.js)
 - [Test source](https://github.com/vuejs/eslint-plugin-vue/blob/master/tests/lib/rules/object-property-newline.js)
 
-<sup>Taken with ❤️ [from ESLint Stylistic](https://eslint.style/rules/js/object-property-newline)</sup>
+<sup>Taken with ❤️ [from ESLint Stylistic](https://eslint.style/rules/ts/object-property-newline)</sup>
diff --git a/docs/rules/require-default-export.md b/docs/rules/require-default-export.md
new file mode 100644
index 000000000..7324d10ba
--- /dev/null
+++ b/docs/rules/require-default-export.md
@@ -0,0 +1,54 @@
+---
+pageClass: rule-details
+sidebarDepth: 0
+title: vue/require-default-export
+description: require default export
+---
+
+# vue/require-default-export
+
+> require default export
+
+- :exclamation: <badge text="This rule has not been released yet." vertical="middle" type="error"> _**This rule has not been released yet.**_ </badge>
+- :gear: This rule is included in all of `"plugin:vue/vue3-essential"`, `*.configs["flat/essential"]`, `"plugin:vue/essential"`, `*.configs["flat/vue2-essential"]`, `"plugin:vue/vue3-strongly-recommended"`, `*.configs["flat/strongly-recommended"]`, `"plugin:vue/strongly-recommended"`, `*.configs["flat/vue2-strongly-recommended"]`, `"plugin:vue/vue3-recommended"`, `*.configs["flat/recommended"]`, `"plugin:vue/recommended"` and `*.configs["flat/vue2-recommended"]`.
+
+## :book: Rule Details
+
+This rule reports when a Vue component does not have a default export, if the component is not defined as `<script setup>`.
+
+<eslint-code-block :rules="{'vue/require-default-export': ['error']}">
+
+```vue
+<!-- ✗ BAD -->
+<script>
+const foo = 'foo';
+</script>
+```
+
+</eslint-code-block>
+
+<eslint-code-block :rules="{'vue/require-default-export': ['error']}">
+
+```vue
+<!-- ✓ GOOD -->
+<script>
+export default {
+  data() {
+    return {
+      foo: 'foo'
+    };
+  }
+};
+</script>
+```
+
+</eslint-code-block>
+
+## :wrench: Options
+
+Nothing.
+
+## :mag: Implementation
+
+- [Rule source](https://github.com/vuejs/eslint-plugin-vue/blob/master/lib/rules/require-default-export.js)
+- [Test source](https://github.com/vuejs/eslint-plugin-vue/blob/master/tests/lib/rules/require-default-export.js)
diff --git a/lib/configs/flat/vue2-essential.js b/lib/configs/flat/vue2-essential.js
index 1de89dbc8..06b6b4634 100644
--- a/lib/configs/flat/vue2-essential.js
+++ b/lib/configs/flat/vue2-essential.js
@@ -46,6 +46,7 @@ module.exports = [
       'vue/no-v-model-argument': 'error',
       'vue/no-v-text-v-html-on-component': 'error',
       'vue/require-component-is': 'error',
+      'vue/require-default-export': 'error',
       'vue/require-prop-type-constructor': 'error',
       'vue/require-render-return': 'error',
       'vue/require-v-for-key': 'error',
diff --git a/lib/configs/flat/vue3-essential.js b/lib/configs/flat/vue3-essential.js
index 595af5f1d..9bcec98b5 100644
--- a/lib/configs/flat/vue3-essential.js
+++ b/lib/configs/flat/vue3-essential.js
@@ -61,6 +61,7 @@ module.exports = [
       'vue/no-watch-after-await': 'error',
       'vue/prefer-import-from-vue': 'error',
       'vue/require-component-is': 'error',
+      'vue/require-default-export': 'error',
       'vue/require-prop-type-constructor': 'error',
       'vue/require-render-return': 'error',
       'vue/require-slots-as-functions': 'error',
diff --git a/lib/configs/vue2-essential.js b/lib/configs/vue2-essential.js
index e2c66ceba..1a8ea3429 100644
--- a/lib/configs/vue2-essential.js
+++ b/lib/configs/vue2-essential.js
@@ -41,6 +41,7 @@ module.exports = {
     'vue/no-v-model-argument': 'error',
     'vue/no-v-text-v-html-on-component': 'error',
     'vue/require-component-is': 'error',
+    'vue/require-default-export': 'error',
     'vue/require-prop-type-constructor': 'error',
     'vue/require-render-return': 'error',
     'vue/require-v-for-key': 'error',
diff --git a/lib/configs/vue3-essential.js b/lib/configs/vue3-essential.js
index f71508f75..47b3a8113 100644
--- a/lib/configs/vue3-essential.js
+++ b/lib/configs/vue3-essential.js
@@ -56,6 +56,7 @@ module.exports = {
     'vue/no-watch-after-await': 'error',
     'vue/prefer-import-from-vue': 'error',
     'vue/require-component-is': 'error',
+    'vue/require-default-export': 'error',
     'vue/require-prop-type-constructor': 'error',
     'vue/require-render-return': 'error',
     'vue/require-slots-as-functions': 'error',
diff --git a/lib/index.js b/lib/index.js
index 956eeaa4b..f5b0986a8 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -208,6 +208,7 @@ const plugin = {
     'prop-name-casing': require('./rules/prop-name-casing'),
     'quote-props': require('./rules/quote-props'),
     'require-component-is': require('./rules/require-component-is'),
+    'require-default-export': require('./rules/require-default-export'),
     'require-default-prop': require('./rules/require-default-prop'),
     'require-direct-export': require('./rules/require-direct-export'),
     'require-emit-validator': require('./rules/require-emit-validator'),
diff --git a/lib/rules/require-default-export.js b/lib/rules/require-default-export.js
new file mode 100644
index 000000000..50f0a1e25
--- /dev/null
+++ b/lib/rules/require-default-export.js
@@ -0,0 +1,47 @@
+/**
+ * @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 default export',
+      categories: ['vue3-essential', 'vue2-essential'],
+      url: 'https://eslint.vuejs.org/rules/require-default-export.html'
+    },
+    fixable: null,
+    schema: [],
+    messages: {
+      missing: 'Missing default export.'
+    }
+  },
+  /** @param {RuleContext} context */
+  create(context) {
+    if (utils.isScriptSetup(context)) {
+      return {}
+    }
+
+    return {
+      /**
+       * @param {Program} node
+       */
+      'Program:exit'(node) {
+        const hasDefaultExport = node.body.some(
+          (item) => item.type === 'ExportDefaultDeclaration'
+        )
+
+        if (!hasDefaultExport) {
+          context.report({
+            loc: { line: 1, column: 0 },
+            messageId: 'missing'
+          })
+        }
+      }
+    }
+  }
+}
diff --git a/tests/lib/rules/require-default-export.js b/tests/lib/rules/require-default-export.js
new file mode 100644
index 000000000..2e2c2b3d8
--- /dev/null
+++ b/tests/lib/rules/require-default-export.js
@@ -0,0 +1,136 @@
+/**
+ * @author ItMaga
+ * See LICENSE file in root directory for full license.
+ */
+'use strict'
+
+const RuleTester = require('../../eslint-compat').RuleTester
+const rule = require('../../../lib/rules/require-default-export')
+
+const tester = new RuleTester({
+  languageOptions: {
+    parser: require('vue-eslint-parser'),
+    ecmaVersion: 2020,
+    sourceType: 'module'
+  }
+})
+
+tester.run('require-default-export', rule, {
+  valid: [
+    {
+      filename: 'test.vue',
+      code: `
+      <script>
+        import { ref } from 'vue';
+        
+        export default {}
+      </script>
+      `
+    },
+    {
+      filename: 'test.vue',
+      code: `
+      <script setup>
+        const foo = 'foo';
+      </script>
+      `
+    },
+    {
+      filename: 'test.vue',
+      code: `
+      <script>
+      const component = {};
+
+      export default component;
+      </script>
+      `
+    },
+    {
+      filename: 'test.vue',
+      code: `
+      <script>
+      import {defineComponent} from 'vue';
+
+      export default defineComponent({});
+      </script>
+      `
+    }
+  ],
+  invalid: [
+    {
+      filename: 'test.vue',
+      code: `
+      <script>
+      const foo = 'foo';
+      </script>
+      `,
+      errors: [
+        {
+          messageId: 'missing',
+          line: 1
+        }
+      ]
+    },
+    {
+      filename: 'test.vue',
+      code: `
+      <script>
+      export const foo = 'foo';
+      </script>
+      `,
+      errors: [
+        {
+          messageId: 'missing',
+          line: 1
+        }
+      ]
+    },
+    {
+      filename: 'test.vue',
+      code: `
+      <script>
+      const foo = 'foo';
+
+      export { foo };
+      </script>
+      `,
+      errors: [
+        {
+          messageId: 'missing',
+          line: 1
+        }
+      ]
+    },
+    {
+      filename: 'test.vue',
+      code: `
+      <script>
+      export const foo = 'foo';
+      export const bar = 'bar';
+      </script>
+      `,
+      errors: [
+        {
+          messageId: 'missing',
+          line: 1
+        }
+      ]
+    },
+    {
+      filename: 'test.vue',
+      code: `
+      <script>
+      import { defineComponent } from 'vue';
+
+      export const component = defineComponent({});
+      </script>
+      `,
+      errors: [
+        {
+          messageId: 'missing',
+          line: 1
+        }
+      ]
+    }
+  ]
+})

From 2daebd6ed0d6a675856219688e952e6981ccec9e Mon Sep 17 00:00:00 2001
From: ItMaga <m-chemurziev@ya.ru>
Date: Sun, 30 Jun 2024 23:29:23 +0300
Subject: [PATCH 02/11] fix: without script and jsx

---
 lib/rules/require-default-export.js       | 23 +++++++++++++++++------
 tests/lib/rules/require-default-export.js |  6 ++++++
 2 files changed, 23 insertions(+), 6 deletions(-)

diff --git a/lib/rules/require-default-export.js b/lib/rules/require-default-export.js
index 50f0a1e25..163bb6990 100644
--- a/lib/rules/require-default-export.js
+++ b/lib/rules/require-default-export.js
@@ -22,20 +22,31 @@ module.exports = {
   },
   /** @param {RuleContext} context */
   create(context) {
-    if (utils.isScriptSetup(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
+
     return {
+      'Program > ExportDefaultDeclaration'() {
+        hasDefaultExport = true
+      },
+
       /**
        * @param {Program} node
        */
       'Program:exit'(node) {
-        const hasDefaultExport = node.body.some(
-          (item) => item.type === 'ExportDefaultDeclaration'
-        )
-
-        if (!hasDefaultExport) {
+        if (!hasDefaultExport && node.body.length > 0) {
           context.report({
             loc: { line: 1, column: 0 },
             messageId: 'missing'
diff --git a/tests/lib/rules/require-default-export.js b/tests/lib/rules/require-default-export.js
index 2e2c2b3d8..d268a19ac 100644
--- a/tests/lib/rules/require-default-export.js
+++ b/tests/lib/rules/require-default-export.js
@@ -17,6 +17,12 @@ const tester = new RuleTester({
 
 tester.run('require-default-export', rule, {
   valid: [
+    {
+      filename: 'test.vue',
+      code: `
+      <template>Without script</template>
+      `
+    },
     {
       filename: 'test.vue',
       code: `

From 3f5f4b402cda3ebf57a4c43f8b5756359a913a87 Mon Sep 17 00:00:00 2001
From: ItMaga <m-chemurziev@ya.ru>
Date: Sat, 6 Jul 2024 18:40:46 +0300
Subject: [PATCH 03/11] docs: add related rules and revert non-relevant changes

---
 docs/rules/object-curly-newline.md    | 2 +-
 docs/rules/object-property-newline.md | 2 +-
 docs/rules/require-default-export.md  | 9 ++++++---
 3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/docs/rules/object-curly-newline.md b/docs/rules/object-curly-newline.md
index f0b0bf677..c4743c261 100644
--- a/docs/rules/object-curly-newline.md
+++ b/docs/rules/object-curly-newline.md
@@ -36,4 +36,4 @@ This rule was introduced in eslint-plugin-vue v7.0.0
 - [Rule source](https://github.com/vuejs/eslint-plugin-vue/blob/master/lib/rules/object-curly-newline.js)
 - [Test source](https://github.com/vuejs/eslint-plugin-vue/blob/master/tests/lib/rules/object-curly-newline.js)
 
-<sup>Taken with ❤️ [from ESLint Stylistic](https://eslint.style/rules/ts/object-curly-newline)</sup>
+<sup>Taken with ❤️ [from ESLint Stylistic](https://eslint.style/rules/js/object-curly-newline)</sup>
diff --git a/docs/rules/object-property-newline.md b/docs/rules/object-property-newline.md
index bfba0c0a2..c6e315c08 100644
--- a/docs/rules/object-property-newline.md
+++ b/docs/rules/object-property-newline.md
@@ -36,4 +36,4 @@ This rule was introduced in eslint-plugin-vue v7.0.0
 - [Rule source](https://github.com/vuejs/eslint-plugin-vue/blob/master/lib/rules/object-property-newline.js)
 - [Test source](https://github.com/vuejs/eslint-plugin-vue/blob/master/tests/lib/rules/object-property-newline.js)
 
-<sup>Taken with ❤️ [from ESLint Stylistic](https://eslint.style/rules/ts/object-property-newline)</sup>
+<sup>Taken with ❤️ [from ESLint Stylistic](https://eslint.style/rules/js/object-property-newline)</sup>
diff --git a/docs/rules/require-default-export.md b/docs/rules/require-default-export.md
index 7324d10ba..1760c25fa 100644
--- a/docs/rules/require-default-export.md
+++ b/docs/rules/require-default-export.md
@@ -2,15 +2,14 @@
 pageClass: rule-details
 sidebarDepth: 0
 title: vue/require-default-export
-description: require default export
+description: require components to be the default export
 ---
 
 # vue/require-default-export
 
-> require default export
+> require components to be the default export
 
 - :exclamation: <badge text="This rule has not been released yet." vertical="middle" type="error"> _**This rule has not been released yet.**_ </badge>
-- :gear: This rule is included in all of `"plugin:vue/vue3-essential"`, `*.configs["flat/essential"]`, `"plugin:vue/essential"`, `*.configs["flat/vue2-essential"]`, `"plugin:vue/vue3-strongly-recommended"`, `*.configs["flat/strongly-recommended"]`, `"plugin:vue/strongly-recommended"`, `*.configs["flat/vue2-strongly-recommended"]`, `"plugin:vue/vue3-recommended"`, `*.configs["flat/recommended"]`, `"plugin:vue/recommended"` and `*.configs["flat/vue2-recommended"]`.
 
 ## :book: Rule Details
 
@@ -48,6 +47,10 @@ export default {
 
 Nothing.
 
+## :couple: Related Rules
+
+- [vue/one-component-per-file](./one-component-per-file.md)
+
 ## :mag: Implementation
 
 - [Rule source](https://github.com/vuejs/eslint-plugin-vue/blob/master/lib/rules/require-default-export.js)

From dd353c2599a7ea7bc20de04e64f8a76cfef6c14d Mon Sep 17 00:00:00 2001
From: ItMaga <m-chemurziev@ya.ru>
Date: Sat, 6 Jul 2024 18:41:18 +0300
Subject: [PATCH 04/11] feat: revert categories and update description

---
 docs/rules/index.md                 | 2 +-
 lib/configs/flat/vue2-essential.js  | 1 -
 lib/configs/flat/vue3-essential.js  | 1 -
 lib/configs/vue2-essential.js       | 1 -
 lib/configs/vue3-essential.js       | 1 -
 lib/rules/require-default-export.js | 4 ++--
 6 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/docs/rules/index.md b/docs/rules/index.md
index bb3fd0a16..64bd7b81d 100644
--- a/docs/rules/index.md
+++ b/docs/rules/index.md
@@ -95,7 +95,6 @@ Rules in this category are enabled for all presets provided by eslint-plugin-vue
 | [vue/no-watch-after-await](./no-watch-after-await.md) | disallow asynchronously registered `watch` |  | :three::hammer: |
 | [vue/prefer-import-from-vue](./prefer-import-from-vue.md) | enforce import from 'vue' instead of import from '@vue/*' | :wrench: | :three::hammer: |
 | [vue/require-component-is](./require-component-is.md) | require `v-bind:is` of `<component>` elements |  | :three::two::warning: |
-| [vue/require-default-export](./require-default-export.md) | require default export |  | :three::two::warning: |
 | [vue/require-prop-type-constructor](./require-prop-type-constructor.md) | require prop type to be a constructor | :wrench: | :three::two::hammer: |
 | [vue/require-render-return](./require-render-return.md) | enforce render function to always return value |  | :three::two::warning: |
 | [vue/require-slots-as-functions](./require-slots-as-functions.md) | enforce properties of `$slots` to be used as a function |  | :three::warning: |
@@ -268,6 +267,7 @@ For example:
 | [vue/prefer-prop-type-boolean-first](./prefer-prop-type-boolean-first.md) | enforce `Boolean` comes first in component prop types | :bulb: | :warning: |
 | [vue/prefer-separate-static-class](./prefer-separate-static-class.md) | require static class names in template to be in a separate `class` attribute | :wrench: | :hammer: |
 | [vue/prefer-true-attribute-shorthand](./prefer-true-attribute-shorthand.md) | require shorthand form attribute when `v-bind` value is `true` | :bulb: | :hammer: |
+| [vue/require-default-export](./require-default-export.md) | require components to be the default export |  | :warning: |
 | [vue/require-direct-export](./require-direct-export.md) | require the component to be directly exported |  | :hammer: |
 | [vue/require-emit-validator](./require-emit-validator.md) | require type definitions in emits | :bulb: | :hammer: |
 | [vue/require-explicit-slots](./require-explicit-slots.md) | require slots to be explicitly defined |  | :warning: |
diff --git a/lib/configs/flat/vue2-essential.js b/lib/configs/flat/vue2-essential.js
index 06b6b4634..1de89dbc8 100644
--- a/lib/configs/flat/vue2-essential.js
+++ b/lib/configs/flat/vue2-essential.js
@@ -46,7 +46,6 @@ module.exports = [
       'vue/no-v-model-argument': 'error',
       'vue/no-v-text-v-html-on-component': 'error',
       'vue/require-component-is': 'error',
-      'vue/require-default-export': 'error',
       'vue/require-prop-type-constructor': 'error',
       'vue/require-render-return': 'error',
       'vue/require-v-for-key': 'error',
diff --git a/lib/configs/flat/vue3-essential.js b/lib/configs/flat/vue3-essential.js
index 9bcec98b5..595af5f1d 100644
--- a/lib/configs/flat/vue3-essential.js
+++ b/lib/configs/flat/vue3-essential.js
@@ -61,7 +61,6 @@ module.exports = [
       'vue/no-watch-after-await': 'error',
       'vue/prefer-import-from-vue': 'error',
       'vue/require-component-is': 'error',
-      'vue/require-default-export': 'error',
       'vue/require-prop-type-constructor': 'error',
       'vue/require-render-return': 'error',
       'vue/require-slots-as-functions': 'error',
diff --git a/lib/configs/vue2-essential.js b/lib/configs/vue2-essential.js
index 1a8ea3429..e2c66ceba 100644
--- a/lib/configs/vue2-essential.js
+++ b/lib/configs/vue2-essential.js
@@ -41,7 +41,6 @@ module.exports = {
     'vue/no-v-model-argument': 'error',
     'vue/no-v-text-v-html-on-component': 'error',
     'vue/require-component-is': 'error',
-    'vue/require-default-export': 'error',
     'vue/require-prop-type-constructor': 'error',
     'vue/require-render-return': 'error',
     'vue/require-v-for-key': 'error',
diff --git a/lib/configs/vue3-essential.js b/lib/configs/vue3-essential.js
index 47b3a8113..f71508f75 100644
--- a/lib/configs/vue3-essential.js
+++ b/lib/configs/vue3-essential.js
@@ -56,7 +56,6 @@ module.exports = {
     'vue/no-watch-after-await': 'error',
     'vue/prefer-import-from-vue': 'error',
     'vue/require-component-is': 'error',
-    'vue/require-default-export': 'error',
     'vue/require-prop-type-constructor': 'error',
     'vue/require-render-return': 'error',
     'vue/require-slots-as-functions': 'error',
diff --git a/lib/rules/require-default-export.js b/lib/rules/require-default-export.js
index 163bb6990..24d2fc433 100644
--- a/lib/rules/require-default-export.js
+++ b/lib/rules/require-default-export.js
@@ -10,8 +10,8 @@ module.exports = {
   meta: {
     type: 'problem',
     docs: {
-      description: 'require default export',
-      categories: ['vue3-essential', 'vue2-essential'],
+      description: 'require components to be the default export',
+      categories: undefined,
       url: 'https://eslint.vuejs.org/rules/require-default-export.html'
     },
     fixable: null,

From 77f112642480065555d7f37bc732320e18a54feb Mon Sep 17 00:00:00 2001
From: ItMaga <m-chemurziev@ya.ru>
Date: Sat, 6 Jul 2024 18:41:34 +0300
Subject: [PATCH 05/11] feat: add test suites

---
 tests/lib/rules/require-default-export.js | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/tests/lib/rules/require-default-export.js b/tests/lib/rules/require-default-export.js
index d268a19ac..088ad09ea 100644
--- a/tests/lib/rules/require-default-export.js
+++ b/tests/lib/rules/require-default-export.js
@@ -60,6 +60,20 @@ tester.run('require-default-export', rule, {
       export default defineComponent({});
       </script>
       `
+    },
+    {
+      filename: 'test.js',
+      code: `
+      const foo = 'foo';
+      export const bar = 'bar';
+      `
+    },
+    {
+      filename: 'test.js',
+      code: `
+      import {defineComponent} from 'vue';
+      defineComponent({});
+      `
     }
   ],
   invalid: [

From 7f986443f1b9258bc9d19c0c49f51db89ed6e841 Mon Sep 17 00:00:00 2001
From: ItMaga <m-chemurziev@ya.ru>
Date: Sat, 6 Jul 2024 18:51:07 +0300
Subject: [PATCH 06/11] refactor: improve error message

---
 lib/rules/require-default-export.js       |  4 ++--
 tests/lib/rules/require-default-export.js | 10 +++++-----
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/lib/rules/require-default-export.js b/lib/rules/require-default-export.js
index 24d2fc433..4053f16bf 100644
--- a/lib/rules/require-default-export.js
+++ b/lib/rules/require-default-export.js
@@ -17,7 +17,7 @@ module.exports = {
     fixable: null,
     schema: [],
     messages: {
-      missing: 'Missing default export.'
+      mustDefaultExport: 'The component must be the default export.'
     }
   },
   /** @param {RuleContext} context */
@@ -49,7 +49,7 @@ module.exports = {
         if (!hasDefaultExport && node.body.length > 0) {
           context.report({
             loc: { line: 1, column: 0 },
-            messageId: 'missing'
+            messageId: 'mustDefaultExport'
           })
         }
       }
diff --git a/tests/lib/rules/require-default-export.js b/tests/lib/rules/require-default-export.js
index 088ad09ea..438f057ee 100644
--- a/tests/lib/rules/require-default-export.js
+++ b/tests/lib/rules/require-default-export.js
@@ -86,7 +86,7 @@ tester.run('require-default-export', rule, {
       `,
       errors: [
         {
-          messageId: 'missing',
+          messageId: 'mustDefaultExport',
           line: 1
         }
       ]
@@ -100,7 +100,7 @@ tester.run('require-default-export', rule, {
       `,
       errors: [
         {
-          messageId: 'missing',
+          messageId: 'mustDefaultExport',
           line: 1
         }
       ]
@@ -116,7 +116,7 @@ tester.run('require-default-export', rule, {
       `,
       errors: [
         {
-          messageId: 'missing',
+          messageId: 'mustDefaultExport',
           line: 1
         }
       ]
@@ -131,7 +131,7 @@ tester.run('require-default-export', rule, {
       `,
       errors: [
         {
-          messageId: 'missing',
+          messageId: 'mustDefaultExport',
           line: 1
         }
       ]
@@ -147,7 +147,7 @@ tester.run('require-default-export', rule, {
       `,
       errors: [
         {
-          messageId: 'missing',
+          messageId: 'mustDefaultExport',
           line: 1
         }
       ]

From 73e00c8e51cd32e384282933ec73d28c14ae3876 Mon Sep 17 00:00:00 2001
From: Flo Edelmann <git@flo-edelmann.de>
Date: Mon, 8 Jul 2024 09:23:44 +0200
Subject: [PATCH 07/11] Discard changes to docs/rules/object-curly-newline.md

---
 docs/rules/object-curly-newline.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/rules/object-curly-newline.md b/docs/rules/object-curly-newline.md
index c4743c261..f0b0bf677 100644
--- a/docs/rules/object-curly-newline.md
+++ b/docs/rules/object-curly-newline.md
@@ -36,4 +36,4 @@ This rule was introduced in eslint-plugin-vue v7.0.0
 - [Rule source](https://github.com/vuejs/eslint-plugin-vue/blob/master/lib/rules/object-curly-newline.js)
 - [Test source](https://github.com/vuejs/eslint-plugin-vue/blob/master/tests/lib/rules/object-curly-newline.js)
 
-<sup>Taken with ❤️ [from ESLint Stylistic](https://eslint.style/rules/js/object-curly-newline)</sup>
+<sup>Taken with ❤️ [from ESLint Stylistic](https://eslint.style/rules/ts/object-curly-newline)</sup>

From b42646ab745bc587dc870a9ca747bf00ac28a5a3 Mon Sep 17 00:00:00 2001
From: Flo Edelmann <git@flo-edelmann.de>
Date: Mon, 8 Jul 2024 09:23:48 +0200
Subject: [PATCH 08/11] Discard changes to
 docs/rules/object-property-newline.md

---
 docs/rules/object-property-newline.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/rules/object-property-newline.md b/docs/rules/object-property-newline.md
index c6e315c08..bfba0c0a2 100644
--- a/docs/rules/object-property-newline.md
+++ b/docs/rules/object-property-newline.md
@@ -36,4 +36,4 @@ This rule was introduced in eslint-plugin-vue v7.0.0
 - [Rule source](https://github.com/vuejs/eslint-plugin-vue/blob/master/lib/rules/object-property-newline.js)
 - [Test source](https://github.com/vuejs/eslint-plugin-vue/blob/master/tests/lib/rules/object-property-newline.js)
 
-<sup>Taken with ❤️ [from ESLint Stylistic](https://eslint.style/rules/js/object-property-newline)</sup>
+<sup>Taken with ❤️ [from ESLint Stylistic](https://eslint.style/rules/ts/object-property-newline)</sup>

From 4a66d2e993195df3d9de075e3061855302402f6b Mon Sep 17 00:00:00 2001
From: ItMaga <m-chemurziev@ya.ru>
Date: Wed, 10 Jul 2024 16:59:32 +0300
Subject: [PATCH 09/11] feat: improve messages and accurate loc

---
 lib/rules/require-default-export.js       | 42 +++++++++++-------
 tests/lib/rules/require-default-export.js | 54 ++++++++++++++++++-----
 2 files changed, 70 insertions(+), 26 deletions(-)

diff --git a/lib/rules/require-default-export.js b/lib/rules/require-default-export.js
index 4053f16bf..5c5402008 100644
--- a/lib/rules/require-default-export.js
+++ b/lib/rules/require-default-export.js
@@ -17,7 +17,8 @@ module.exports = {
     fixable: null,
     schema: [],
     messages: {
-      mustDefaultExport: 'The component must be the default export.'
+      missing: 'Missing default export.',
+      mustBeDefaultExport: 'Component must be the default export.'
     }
   },
   /** @param {RuleContext} context */
@@ -36,23 +37,32 @@ module.exports = {
     }
 
     let hasDefaultExport = false
+    let hasDefinedComponent = false
 
-    return {
-      'Program > ExportDefaultDeclaration'() {
-        hasDefaultExport = true
-      },
-
-      /**
-       * @param {Program} node
-       */
-      'Program:exit'(node) {
-        if (!hasDefaultExport && node.body.length > 0) {
-          context.report({
-            loc: { line: 1, column: 0 },
-            messageId: 'mustDefaultExport'
-          })
+    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'
+            })
+          }
         }
       }
-    }
+    )
   }
 }
diff --git a/tests/lib/rules/require-default-export.js b/tests/lib/rules/require-default-export.js
index 438f057ee..279af4a38 100644
--- a/tests/lib/rules/require-default-export.js
+++ b/tests/lib/rules/require-default-export.js
@@ -86,8 +86,11 @@ tester.run('require-default-export', rule, {
       `,
       errors: [
         {
-          messageId: 'mustDefaultExport',
-          line: 1
+          messageId: 'missing',
+          line: 4,
+          endLine: 4,
+          column: 7,
+          endColumn: 16
         }
       ]
     },
@@ -100,8 +103,11 @@ tester.run('require-default-export', rule, {
       `,
       errors: [
         {
-          messageId: 'mustDefaultExport',
-          line: 1
+          messageId: 'missing',
+          line: 4,
+          endLine: 4,
+          column: 7,
+          endColumn: 16
         }
       ]
     },
@@ -116,8 +122,11 @@ tester.run('require-default-export', rule, {
       `,
       errors: [
         {
-          messageId: 'mustDefaultExport',
-          line: 1
+          messageId: 'missing',
+          line: 6,
+          endLine: 6,
+          column: 7,
+          endColumn: 16
         }
       ]
     },
@@ -131,8 +140,11 @@ tester.run('require-default-export', rule, {
       `,
       errors: [
         {
-          messageId: 'mustDefaultExport',
-          line: 1
+          messageId: 'missing',
+          line: 5,
+          endLine: 5,
+          column: 7,
+          endColumn: 16
         }
       ]
     },
@@ -147,8 +159,30 @@ tester.run('require-default-export', rule, {
       `,
       errors: [
         {
-          messageId: 'mustDefaultExport',
-          line: 1
+          messageId: 'mustBeDefaultExport',
+          line: 6,
+          endLine: 6,
+          column: 7,
+          endColumn: 16
+        }
+      ]
+    },
+    {
+      filename: 'test.vue',
+      code: `
+      <script>
+      import Vue from 'vue';
+
+      const component = Vue.component('foo', {});
+      </script>
+      `,
+      errors: [
+        {
+          messageId: 'mustBeDefaultExport',
+          line: 6,
+          endLine: 6,
+          column: 7,
+          endColumn: 16
         }
       ]
     }

From c0dd101fcfe59dcd49be01f55254739a211b90a1 Mon Sep 17 00:00:00 2001
From: ItMaga <m-chemurziev@ya.ru>
Date: Wed, 10 Jul 2024 17:02:26 +0300
Subject: [PATCH 10/11] docs: add related rule to one-component-per-file

---
 docs/rules/one-component-per-file.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/docs/rules/one-component-per-file.md b/docs/rules/one-component-per-file.md
index 6fbede339..c5e94fbd8 100644
--- a/docs/rules/one-component-per-file.md
+++ b/docs/rules/one-component-per-file.md
@@ -49,6 +49,11 @@ export default {
 
 Nothing.
 
+
+## :couple: Related Rules
+
+- [vue/require-default-export](./require-default-export.md)
+
 ## :books: Further Reading
 
 - [Style guide - Component files](https://vuejs.org/style-guide/rules-strongly-recommended.html#component-files)

From 1c706a15ebb70487ff120ea4c2375d9f7468042f Mon Sep 17 00:00:00 2001
From: ItMaga <m-chemurziev@ya.ru>
Date: Wed, 10 Jul 2024 17:04:55 +0300
Subject: [PATCH 11/11] chore: remove empty line

---
 docs/rules/one-component-per-file.md | 1 -
 1 file changed, 1 deletion(-)

diff --git a/docs/rules/one-component-per-file.md b/docs/rules/one-component-per-file.md
index c5e94fbd8..5e6b37518 100644
--- a/docs/rules/one-component-per-file.md
+++ b/docs/rules/one-component-per-file.md
@@ -49,7 +49,6 @@ export default {
 
 Nothing.
 
-
 ## :couple: Related Rules
 
 - [vue/require-default-export](./require-default-export.md)

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