Controls the caching behavior during the build process.
Modern.js will enable build cache by default to improve the compile speed. You can disable the build cache by setting it to false:
Starting from v2.69.0, Modern.js using rspack as build tool will enable buildCache by default; previous versions required manual configuration to enable it.
The usage of this configuration item is exactly the same as that of Rsbuild. For detailed information, please refer to Rsbuild - performance.buildCache.