TSConfig

Provides a way to override the default list of file name suffixes to search when resolving a module.

{
    "compilerOptions": {
        "moduleSuffixes": [".ios", ".native", ""]
    }
}

Given the above configuration, an import like the following:

ts
import * as foo from "./foo";

TypeScript will look for the relative files ./foo.ios.ts, ./foo.native.ts, and finally ./foo.ts.

Note the empty string "" in moduleSuffixes which is necessary for TypeScript to also look-up ./foo.ts.

This feature can be useful for React Native projects where each target platform can use a separate tsconfig.json with differing moduleSuffixes.