harmony 鸿蒙ArkCompiler Subsystem Changelog
ArkCompiler Subsystem Changelog
cl.ArkCompiler.1 Change of Default Compiler to es2abc in Type Compilation
In the SDK, ArkCompiler has two compilers that support ets/ts/js compilation: ts2abc compiler and es2abc compiler.
Introduction to compilation modes:
Non-type compilation: converts ArkTS/TS source code into JS source code, and uses the ArkCompiler compiler es2abc to generate bytecode.
Type compilation: converts ArkTS/TS source code into TS source code, and uses the ArkCompiler compiler ts2abc (in earlier versions)/es2abc (enabled in this version) to generate bytecode.
You can check the hvigor version of the application project in the following fields: hvigorVersion field and @ohos/hvigor-ohos-plugin field under dependencies in the hvigor-config.json5 file in the hvigor directory of the application project
Enable type compilation:
If the hvigor version is 2.6.0-rc.9.s or later, the type compilation mode is enabled by default. You can also manually enable this mode by setting aotCompileMode to type under the buildOption tag in the build-profile.json5 file at the same level directory as the application source code (src directory).
When type compilation is enabled and the SDK of this version is used, the ArkCompiler compiler es2abc is used by default. The earlier version SDK with ts2abc enabled is not recommended for type compilation.
Change Impact In DevEco Studio, when the type compilation mode is enabled and the SDK of this version is used, the change in the compilation mode and ArkCompiler compiler may result in application compilation failures and runtime crashes.
Key API/Component Changes In type compilation mode, the ArkCompiler compiler es2abc is used by default.
Adaptation Guide
If the hvigor version is 2.6.0-rc.9.s or later, to switch to the original compilation mode (non-type), you need to set aotCompileMode in the build-profile.json5 file.
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