HarmonyOS Developer Technology

Aug 12, 2026 · Mobile Development

ArkTS `import lazy`: One Keyword Cuts Cold-Start Bloat via Compiler-Runtime Loop

ArkTS introduces the `import lazy` syntax to defer module execution until first use, reducing cold-start latency by ~15% through compiler-runtime collaboration and integrated profiling tools that detect, mark, verify, and quantify redundant loads without rewriting call sites.