AG-44299 Added support of ext_opera_mv3 platform

Squashed commit of the following:

commit 6538484
Author: Kurbanali Ruslan <[email protected]>
Date:   Wed Aug 6 10:18:08 2025 +0500

    updated changelog

commit 91e5abc
Author: Kurbanali Ruslan <[email protected]>
Date:   Tue Aug 5 19:00:11 2025 +0500

    bump version

commit 795deeb
Author: Kurbanali Ruslan <[email protected]>
Date:   Tue Aug 5 11:55:07 2025 +0500

    AG-44299 Added support of `ext_opera_mv3` platform

Author: kurrx

CHANGELOG.md

@@ -5,6 +5,14 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [v3.1.0] - 2025-08-06
+
+### Added
+
+- Support of `ext_opera_mv3` platform.
+
+[v3.1.0]: https://github.com/AdguardTeam/FiltersCompiler/compare/v3.0.2...v3.1.0
+
 ## [v3.0.2] - 2025-07-31
 
 ### Added

package.json

@@ -1,6 +1,6 @@
 {
     "name": "@adguard/filters-compiler",
-    "version": "3.0.2",
+    "version": "3.1.0",
     "description": "AdGuard filters compiler",
     "homepage": "http://adguard.com",
     "type": "module",

src/main/platforms-config.js

@@ -493,7 +493,8 @@ const EXTENDED_CSS_RULES_PATTERNS = [
 ];
 
 /**
- * Used for `EXTENSION_CHROMIUM`, `EXTENSION_CHROMIUM_MV3`, `EXTENSION_EDGE`, and `EXTENSION_OPERA` platforms.
+ * Used for `EXTENSION_CHROMIUM`, `EXTENSION_CHROMIUM_MV3`, `EXTENSION_EDGE`,
+ * `EXTENSION_OPERA`, and `EXTENSION_OPERA_MV3` platforms.
  */
 const CHROMIUM_BASED_EXTENSION_PATTERNS = [
     ...HTML_FILTERING_MODIFIER_PATTERNS,
@@ -700,6 +701,24 @@ export const platformsConfig = {
             'adguard_ext_chromium': true,
         },
     },
+    'EXTENSION_OPERA_MV3': {
+        'platform': 'ext_opera_mv3',
+        'path': 'extension/opera-mv3',
+        'expires': '10 days',
+        'configuration': {
+            'removeRulePatterns': [
+                ...CHROMIUM_BASED_EXTENSION_PATTERNS,
+                ...REDIRECT_MODIFIER_PATTERNS,
+            ],
+            'replacements': null,
+            'ignoreRuleHints': false,
+        },
+        'defines': {
+            'adguard': true,
+            'adguard_ext_opera_mv3': true,
+            'adguard_ext_chromium_mv3': true,
+        },
+    },
     'EXTENSION_FIREFOX': {
         'platform': 'ext_ff',
         'path': 'extension/firefox',

test/builder.test.js

@@ -1024,6 +1024,16 @@ describe('Test builder', () => {
                 expect(ifLines.includes('ios_rule')).toBeFalsy();
             });
 
+            it('filters4.txt - adguard_ext_opera_mv3 constant for the if directive', async () => {
+                const ifContent = await readFile(path.join(platformsDir, 'opera-mv3', 'filters', '4.txt'));
+                expect(ifContent).toBeTruthy();
+
+                const ifLines = ifContent.split(/\r?\n/);
+                expect(ifLines.length).toEqual(24);
+                expect(ifLines.includes('opera_mv3_specific_rule')).toBeTruthy();
+                expect(ifLines.includes('ios_rule')).toBeFalsy();
+            });
+
             it('filters4.txt - adguard_app_cli constant for the if directive', async () => {
                 const ifContent = await readFile(path.join(platformsDir, 'cli', 'filters', '4.txt'));
                 expect(ifContent).toBeTruthy();

test/resources/filters/filter_4_Directives/metadata.json

@@ -16,6 +16,7 @@
     "cli",
     "ext_ublock",
     "ext_edge",
-    "ext_chromium_mv3"
+    "ext_chromium_mv3",
+    "ext_opera_mv3"
   ]
 }

test/resources/filters/filter_4_Directives/template.txt

@@ -12,6 +12,9 @@ if_not_ublock
 !#if (adguard_ext_chromium_mv3)
 chrome_mv3_specific_rule
 !#endif
+!#if (adguard_ext_opera_mv3)
+opera_mv3_specific_rule
+!#endif
 !#if (adguard_ext_chromium && adguard_ext_edge)
 if_edge_chromium
 !#endif

test/resources/platforms.json

@@ -176,6 +176,22 @@
             "adguard_ext_chromium": true
         }
     },
+    "EXTENSION_OPERA_MV3": {
+        "platform": "ext_opera_mv3",
+        "path": "opera-mv3",
+        "configuration": {
+            "removeRulePatterns": [
+                "\\$redirect-rule=",
+                ",redirect-rule="
+            ],
+            "ignoreRuleHints": false
+        },
+        "defines": {
+            "adguard": true,
+            "adguard_ext_opera_mv3": true,
+            "adguard_ext_chromium_mv3": true
+        }
+    },
     "TEST_REPLACEMENTS": {
         "platform": "test",
         "path": "replacements",