private buildTypeScriptConfig()

in src/compiler.ts [343:382]
31 lines of code
8 McCabe index (conditional complexity)

  private buildTypeScriptConfig(): TypeScriptConfig {
    let references: string[] | undefined;

    const isComposite =
      this.options.projectReferences !== undefined
        ? this.options.projectReferences
        : this.options.projectInfo.projectReferences !== undefined
        ? this.options.projectInfo.projectReferences
        : false;
    if (isComposite) {
      references = this.findProjectReferences();
    }

    const pi = this.options.projectInfo;

    return {
      compilerOptions: {
        ...pi.tsc,
        ...BASE_COMPILER_OPTIONS,
        // Enable composite mode if project references are enabled
        composite: isComposite,
        // When incremental, configure a tsbuildinfo file
        tsBuildInfoFile: path.join(pi.tsc?.outDir ?? '.', 'tsconfig.tsbuildinfo'),
      },
      include: [pi.tsc?.rootDir != null ? path.join(pi.tsc.rootDir, '**', '*.ts') : path.join('**', '*.ts')],
      exclude: [
        'node_modules',
        ...(pi.excludeTypescript ?? []),
        ...(pi.tsc?.outDir != null &&
        (pi.tsc?.rootDir == null || path.resolve(pi.tsc.outDir).startsWith(path.resolve(pi.tsc.rootDir) + path.sep))
          ? [path.join(pi.tsc.outDir, '**', '*.ts')]
          : []),
      ],
      // Change the references a little. We write 'originalpath' to the
      // file under the 'path' key, which is the same as what the
      // TypeScript compiler does. Make it relative so that the files are
      // movable. Not strictly required but looks better.
      references: references?.map((p) => ({ path: p })),
    };
  }