Add support for async values and function responses

[jonathanKingston]

Asana Task/Github Issue: https://app.asana.com/1/137249556945/project/1206777341262243/task/1210954461043013?focus=true

Description

Adds support for async wrapped values in processAttr features and also function bodies.

For example:

                const configSetting = {
                    type: 'function',
                    functionValue: {
                        type: 'array',
                        value: [],
                        async: true,
                    },
                };
                const result = processAttr(configSetting);

Assists with: https://app.asana.com/1/137249556945/project/1206777341262243/task/1210954461043013?focus=true

Testing Steps

Checklist

Please tick all that apply:

• I have tested this change locally
• I have tested this change locally in all supported browsers
• This change will be visible to users
• I have added automated tests that cover this change
• I have ensured the change is gated by config
• This change was covered by a ship review
• This change was covered by a tech design
• Any dependent config has been merged

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[github-actions]

Temporary Branch Update

The temporary branch has been updated with the latest changes. Below are the details:

• Branch Name: pr-releases/pr-1916
• Commit Hash: 0310a43400e9c1536e298a1dfa6285cab9e64669
• Last Updated: August 22, 2025 at 12:51:44 PM UTC
• Install Command: npm i github:duckduckgo/content-scope-scripts#0310a43400e9c1536e298a1dfa6285cab9e64669

Please use the above install command to update to the latest version.

[github-actions]

[Beta] Generated file diff

Time updated: Fri, 22 Aug 2025 12:52:05 GMT

Android

    - android/autofillPasswordImport.js

• android/brokerProtection.js
• android/contentScope.js

File has changed

Apple

    - apple/contentScope.js

• apple/contentScopeIsolated.js

File has changed

Chrome-mv3

    - chrome-mv3/inject.js

File has changed

Firefox

    - firefox/inject.js

File has changed

Integration

    - integration/contentScope.js

File has changed

Windows

    - windows/contentScope.js

File has changed