November 2018
Beginner
502 pages
10h 22m
English
Content preview from Learn React with TypeScript 3
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Additions to compiler options
Just referencing another project isn't enough for the TypeScript compiler to properly handle multiple projects. We need to add some additional compiler options in the dependent project.
The compilerOptions field has a new field called composite, which must be set to true if we are using multiple projects. This ensures certain options are enabled so that this project can be referenced and built incrementally for any project that depends on it.
When composite is true, declaration must also be set to true, forcing the corresponding .d.ts file to be generated, containing the project's types. This allows TypeScript to only build dependent projects when types are changed and not rebuild all the dependent projects all ...
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