displayIfNeeded() — react Function Reference

Architecture documentation for the displayIfNeeded() function in Surface.js from the react codebase.

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BabelCompiler→ Validation→ displayIfNeeded() — react Function Reference

Dependency Diagram

graph TD
  1281b2ed_df72_600b_d3f7_070428aec123["displayIfNeeded()"]
  c369a97c_dd8c_2e92_cdce_84e8bb9a306d["Surface"]
  1281b2ed_df72_600b_d3f7_070428aec123 -->|defined in| c369a97c_dd8c_2e92_cdce_84e8bb9a306d
  style 1281b2ed_df72_600b_d3f7_070428aec123 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/react-devtools-timeline/src/view-base/Surface.js lines 94–108

  displayIfNeeded() {
    const {rootView, _canvasSize, _context} = this;
    if (!rootView || !_context || !_canvasSize) {
      return;
    }
    rootView.setFrame({
      origin: zeroPoint,
      size: _canvasSize,
    });
    rootView.setVisibleArea({
      origin: zeroPoint,
      size: _canvasSize,
    });
    rootView.displayIfNeeded(_context, this._viewRefs);
  }