feat: add fixer for no-at-debug-tags (#1164)

Author: 43081j

Diff for: .changeset/weak-crews-shake.md

@@ -0,0 +1,5 @@
+---
+'eslint-plugin-svelte': minor
+---
+
+Added a suggestion for `no-at-debug-tags` rule which removes the tags

Diff for: README.md

@@ -294,7 +294,7 @@ These rules relate to better ways of doing things to help you avoid problems:
 |:--------|:------------|:---|
 | [svelte/block-lang](https://sveltejs.github.io/eslint-plugin-svelte/rules/block-lang/) | disallows the use of languages other than those specified in the configuration for the lang attribute of `<script>` and `<style>` blocks. | :bulb: |
 | [svelte/button-has-type](https://sveltejs.github.io/eslint-plugin-svelte/rules/button-has-type/) | disallow usage of button without an explicit type attribute |  |
-| [svelte/no-at-debug-tags](https://sveltejs.github.io/eslint-plugin-svelte/rules/no-at-debug-tags/) | disallow the use of `{@debug}` | :star: |
+| [svelte/no-at-debug-tags](https://sveltejs.github.io/eslint-plugin-svelte/rules/no-at-debug-tags/) | disallow the use of `{@debug}` | :star::bulb: |
 | [svelte/no-ignored-unsubscribe](https://sveltejs.github.io/eslint-plugin-svelte/rules/no-ignored-unsubscribe/) | disallow ignoring the unsubscribe method returned by the `subscribe()` on Svelte stores. |  |
 | [svelte/no-immutable-reactive-statements](https://sveltejs.github.io/eslint-plugin-svelte/rules/no-immutable-reactive-statements/) | disallow reactive statements that don't reference reactive values. | :star: |
 | [svelte/no-inline-styles](https://sveltejs.github.io/eslint-plugin-svelte/rules/no-inline-styles/) | disallow attributes and directives that produce inline styles |  |

Diff for: docs/rules.md

@@ -51,7 +51,7 @@ These rules relate to better ways of doing things to help you avoid problems:
 | :--------------------------------------------------------------------------------------- | :---------------------------------------------------------------------------------------------------------------------------------------- | :------------- |
 | [svelte/block-lang](./rules/block-lang.md)                                               | disallows the use of languages other than those specified in the configuration for the lang attribute of `<script>` and `<style>` blocks. | :bulb:         |
 | [svelte/button-has-type](./rules/button-has-type.md)                                     | disallow usage of button without an explicit type attribute                                                                               |                |
-| [svelte/no-at-debug-tags](./rules/no-at-debug-tags.md)                                   | disallow the use of `{@debug}`                                                                                                            | :star:         |
+| [svelte/no-at-debug-tags](./rules/no-at-debug-tags.md)                                   | disallow the use of `{@debug}`                                                                                                            | :star::bulb:   |
 | [svelte/no-ignored-unsubscribe](./rules/no-ignored-unsubscribe.md)                       | disallow ignoring the unsubscribe method returned by the `subscribe()` on Svelte stores.                                                  |                |
 | [svelte/no-immutable-reactive-statements](./rules/no-immutable-reactive-statements.md)   | disallow reactive statements that don't reference reactive values.                                                                        | :star:         |
 | [svelte/no-inline-styles](./rules/no-inline-styles.md)                                   | disallow attributes and directives that produce inline styles                                                                             |                |

Diff for: docs/rules/no-at-debug-tags.md

@@ -11,6 +11,7 @@ since: 'v0.0.1'
 > disallow the use of `{@debug}`
 
 - :gear: This rule is included in `"plugin:svelte/recommended"`.
+- :bulb: Some problems reported by this rule are manually fixable by editor [suggestions](https://eslint.org/docs/developer-guide/working-with-rules#providing-suggestions).
 
 ## :book: Rule Details
 

Diff for: packages/eslint-plugin-svelte/src/rules/no-at-debug-tags.ts

@@ -8,9 +8,11 @@ export default createRule('no-at-debug-tags', {
 			recommended: true,
 			default: 'warn'
 		},
+		hasSuggestions: true,
 		schema: [],
 		messages: {
-			unexpected: 'Unexpected `{@debug}`.'
+			unexpected: 'Unexpected `{@debug}`.',
+			suggestRemove: 'Remove `{@debug}` from the source'
 		},
 		type: 'problem'
 	},
@@ -19,7 +21,13 @@ export default createRule('no-at-debug-tags', {
 			SvelteDebugTag(node) {
 				context.report({
 					node,
-					messageId: 'unexpected'
+					messageId: 'unexpected',
+					suggest: [
+						{
+							messageId: 'suggestRemove',
+							fix: (fixer) => fixer.remove(node)
+						}
+					]
 				});
 			}
 		};

Diff for: packages/eslint-plugin-svelte/tests/fixtures/rules/no-at-debug-tags/invalid/debug01-errors.yaml

@@ -1,4 +1,20 @@
 - message: Unexpected `{@debug}`.
   line: 11
   column: 1
-  suggestions: null
+  suggestions:
+    - desc: Remove `{@debug}` from the source
+      messageId: suggestRemove
+      output: |
+        <script>
+        	let user = {
+        		firstname: 'Ada',
+        		lastname: 'Lovelace'
+        	};
+        </script>
+
+        <input bind:value={user.firstname} />
+        <input bind:value={user.lastname} />
+
+
+
+        <h1>Hello {user.firstname}!</h1>

Diff for: packages/eslint-plugin-svelte/tests/fixtures/rules/no-at-debug-tags/invalid/debug02-errors.yaml

@@ -1,4 +1,20 @@
 - message: Unexpected `{@debug}`.
   line: 11
   column: 1
-  suggestions: null
+  suggestions:
+    - desc: Remove `{@debug}` from the source
+      messageId: suggestRemove
+      output: |
+        <script>
+        	let user = {
+        		firstname: 'Ada',
+        		lastname: 'Lovelace'
+        	};
+        </script>
+
+        <input bind:value={user.firstname} />
+        <input bind:value={user.lastname} />
+
+
+
+        <h1>Hello {user.firstname}!</h1>