Method updateTotalState

tools/console/progress.ts:171–204

()

  // Recomputes state, incorporating children's states
  private updateTotalState() {
    let allChildrenDone = true;
    const state = { ...this.selfState };
    this.allTasks.forEach(child => {
      const childState = child.state;

      if (!child.isDone) {
        allChildrenDone = false;
      }

      state.current += childState.current;
      if (state.end !== undefined) {
        if (childState.done) {
          state.end += childState.current;
        } else if (childState.end !== undefined) {
          state.end += childState.end;
        } else {
          state.end = undefined;
        }
      }
    });

    this.isDone = allChildrenDone && !!this.selfState.done;
    if (!allChildrenDone) {
      state.done = false;
    }

    if (!state.done && this.state.done) {
      // This shouldn't happen
      throw new Error("Progress transition from done => !done");
    }

    this.state = state;
  }

  // Called by a child when its state changes
  private reportChildState() {