Fix #7417: Fix exclusions logic

[Miraeld]

Description

Fixes #7417
Fix the exclusions logic in the beacon

Type of change

• Bug fix (non-breaking change which fixes an issue).

Detailed scenario

What was tested

The beacon script

How to test

Add api.fontshare.com & cdn.fontshare.com to Preload Fonts Exclusions list in BE
From UI, update the dynamic lists data
Enable Preload Fonts
Visit https://rocketlabsqa.ovh/preloadfonts_multiple_external_fonts/ and check Console

Technical description

Documentation

This pull request refines the font preloading logic in the BeaconPreloadFonts class by consolidating and expanding the handling of exclusion lists.

Improvements to font preloading logic:

• src/BeaconPreloadFonts.js: Updated the exclusion logic to combine preload_fonts_exclusions and external_font_exclusions into a single list (allExclusions) for more comprehensive filtering of font links. This ensures that both types of exclusions are considered when determining whether to preload a font.

New dependencies

None

Risks

None

Mandatory Checklist

Code validation

• I validated all the Acceptance Criteria. If possible, provide screenshots or videos.
• I triggered all changed lines of code at least once without new errors/warnings/notices.
• I implemented built-in tests to cover the new/changed code.

Code style

• I wrote a self-explanatory code about what it does.
• I protected entry points against unexpected inputs.
• I did not introduce unnecessary complexity.
• Output messages (errors, notices, logs) are explicit enough for users to understand the issue and are actionnable.

[Copilot]

Pull Request Overview

This PR fixes the exclusions logic in the beacon's font preloading functionality by consolidating two separate exclusion lists into a single comprehensive check. The fix ensures that both preload_fonts_exclusions and external_font_exclusions are considered when determining whether to preload fonts.

• Combines two exclusion configuration arrays into a single filtering mechanism
• Updates the exclusion check logic to use the consolidated list
• Maintains existing error handling structure

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
❌ -82.99% (target: -1.00%)	✅ ∅ (target: 50.00%)

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (2e2b9e8)	1911	1586	82.99%
Head commit (9caa32b)	0 (-1911)	0 (-1586)	0.00% (-82.99%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#64)	0	0	∅ (not applicable)

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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