Method tsconfig

packages/compiler-cli/test/ngtsc/env.ts:221–244

(
    extraOpts: TsConfigOptions = {},
    compilerOptions?: TsCompilerOptions,
    files?: string[],
  )

  }

  tsconfig(
    extraOpts: TsConfigOptions = {},
    compilerOptions?: TsCompilerOptions,
    files?: string[],
  ): void {
    let tsconfig: {[key: string]: any} = {
      extends: './tsconfig-base.json',
      angularCompilerOptions: extraOpts,
    };
    if (files !== undefined) {
      tsconfig['files'] = files;
    }
    if (compilerOptions !== undefined) {
      tsconfig['compilerOptions'] = compilerOptions;
    }
    this.write('tsconfig.json', JSON.stringify(tsconfig, null, 2));

    if (
      extraOpts['_useHostForImportGeneration'] ||
      extraOpts['_useHostForImportAndAliasGeneration']
    ) {
      setWrapHostForTest(makeWrapHost(new FileNameToModuleNameHost(this.fs)));
    }
  }

  /**
   * Run the compiler to completion, and assert that no errors occurred.