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Bun does not handle TSX at the runtime level because Bun uses JavaScriptCore as its runtime and JavaScriptCore does not support TS(X). Bun transpiles all types
by lolinder 2y ago
Bun does not handle TSX at the runtime level because Bun uses JavaScriptCore as its runtime and JavaScriptCore does not support TS(X).
Bun transpiles all typescript code before executing it in the JavaScriptCore runtime. That's an implicit on-startup build step.