How do 'Template Literal Types' bridge dynamic strings and static safety?

Updated May 4, 2026

Short answer

Template literal types allow pattern matching and dynamic string generation at the type level[cite: 1].

Deep explanation

They use JS template string syntax to create new unions. This bridges the gap between dynamic string-based APIs and static safety, enabling typed CSS properties or event patterns (e.g., on${Capitalize<EventName>})[cite: 1].

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