calculateInitialScrollOffset() — react Function Reference

Architecture documentation for the calculateInitialScrollOffset() function in Tree.js from the react codebase.

Function javascript BabelCompiler Validation called by 1

Entity Profile

BabelCompiler→ Validation→ calculateInitialScrollOffset() — react Function Reference

Dependency Diagram

graph TD
  078bd51f_6be5_7560_d1ad_d8f38bacfb55["calculateInitialScrollOffset()"]
  80ad5569_a221_98e5_daec_ede1bea33ee0["Tree.js"]
  078bd51f_6be5_7560_d1ad_d8f38bacfb55 -->|defined in| 80ad5569_a221_98e5_daec_ede1bea33ee0
  8903e7f2_b245_fcae_5413_05a60dcaa5e4["Tree()"]
  8903e7f2_b245_fcae_5413_05a60dcaa5e4 -->|calls| 078bd51f_6be5_7560_d1ad_d8f38bacfb55
  style 078bd51f_6be5_7560_d1ad_d8f38bacfb55 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/react-devtools-shared/src/devtools/views/Components/Tree.js lines 60–74

function calculateInitialScrollOffset(
  inspectedElementIndex: number | null,
  elementHeight: number,
): number | void {
  if (inspectedElementIndex === null) {
    return undefined;
  }

  if (inspectedElementIndex < 3) {
    return undefined;
  }

  // Make 3 elements on top of the inspected one visible
  return (inspectedElementIndex - 3) * elementHeight;
}