Function watchMode

packages/compiler-cli/src/main.ts:214–229

(
  project: string,
  options: api.CompilerOptions,
  consoleError: (s: string) => void,
)

}

export function watchMode(
  project: string,
  options: api.CompilerOptions,
  consoleError: (s: string) => void,
) {
  return performWatchCompilation(
    createPerformWatchHost(
      project,
      (diagnostics) => {
        printDiagnostics(diagnostics, options, consoleError);
      },
      options,
      undefined,
    ),
  );
}

function printDiagnostics(
  diagnostics: ReadonlyArray<ts.Diagnostic>,