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dispatchMouseEvent() — react Function Reference

Architecture documentation for the dispatchMouseEvent() function in ReactDOMServerPartialHydration-test.internal.js from the react codebase.

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Entity Profile

Dependency Diagram

graph TD
  4175e794_ce2d_76df_545d_b2f416ea8127["dispatchMouseEvent()"]
  6e4bfefb_3205_98bf_1533_eeceef16bf6f["ReactDOMServerPartialHydration-test.internal.js"]
  4175e794_ce2d_76df_545d_b2f416ea8127 -->|defined in| 6e4bfefb_3205_98bf_1533_eeceef16bf6f
  style 4175e794_ce2d_76df_545d_b2f416ea8127 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/react-dom/src/__tests__/ReactDOMServerPartialHydration-test.internal.js lines 40–89

function dispatchMouseEvent(to, from) {
  if (!to) {
    to = null;
  }
  if (!from) {
    from = null;
  }
  if (from) {
    const mouseOutEvent = document.createEvent('MouseEvents');
    mouseOutEvent.initMouseEvent(
      'mouseout',
      true,
      true,
      window,
      0,
      50,
      50,
      50,
      50,
      false,
      false,
      false,
      false,
      0,
      to,
    );
    from.dispatchEvent(mouseOutEvent);
  }
  if (to) {
    const mouseOverEvent = document.createEvent('MouseEvents');
    mouseOverEvent.initMouseEvent(
      'mouseover',
      true,
      true,
      window,
      0,
      50,
      50,
      50,
      50,
      false,
      false,
      false,
      false,
      0,
      from,
    );
    to.dispatchEvent(mouseOverEvent);
  }
}

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Defined In

Source

Frequently Asked Questions

What does dispatchMouseEvent() do?
dispatchMouseEvent() is a function in the react codebase, defined in packages/react-dom/src/__tests__/ReactDOMServerPartialHydration-test.internal.js.
Where is dispatchMouseEvent() defined?
dispatchMouseEvent() is defined in packages/react-dom/src/__tests__/ReactDOMServerPartialHydration-test.internal.js at line 40.

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