refactor(core): reduce core code

[Mini-ghost]

🔗 Linked issue

N/A

❓ Type of change

• 📖 Documentation (updates to the documentation or readme)
• 🐞 Bug fix (a non-breaking change that fixes an issue)
• 👌 Enhancement (improving an existing functionality like performance)
• ✨ New feature (a non-breaking change that adds functionality)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

Reduce repetitive code.

Filename	Size	Change
packages/core/dist/index.cjs.js	3.99 kB	-8 B (0%)
packages/core/dist/index.umd.js	4.08 kB	-10 B (0%)

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📝 Checklist

• I have read the Contributing Guidelines.
• I have linked an issue or discussion.
• I have updated the documentation accordingly.