Function makeWatchRunner

compiler/packages/snap/src/runner-watch.ts:220–239

(
  onChange: (state: RunnerState) => void,
  filterMode: boolean,
)

}

export async function makeWatchRunner(
  onChange: (state: RunnerState) => void,
  filterMode: boolean,
): Promise<void> {
  const state = {
    compilerVersion: 0,
    isCompilerBuildValid: false,
    lastUpdate: -1,
    mode: {
      action: RunnerAction.Test,
      filter: filterMode,
    },
    filter: filterMode ? await readTestFilter() : null,
  };

  subscribeTsc(state, onChange);
  subscribeFixtures(state, onChange);
  subscribeKeyEvents(state, onChange);
  subscribeFilterFile(state, onChange);
}