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describeDebugInfoFrame() — react Function Reference

Architecture documentation for the describeDebugInfoFrame() function in ReactComponentStackFrame.js from the react codebase.

Function javascript BabelCompiler Optimization calls 2

Entity Profile

Dependency Diagram

graph TD
  324c4ac3_e019_c3be_ed23_4066fa3a0522["describeDebugInfoFrame()"]
  823a67e4_24d9_f152_2b72_4a49ef93fd70["ReactComponentStackFrame.js"]
  324c4ac3_e019_c3be_ed23_4066fa3a0522 -->|defined in| 823a67e4_24d9_f152_2b72_4a49ef93fd70
  49d3bba9_cc0c_dc58_ea41_76e571ea2c0b["formatOwnerStack()"]
  324c4ac3_e019_c3be_ed23_4066fa3a0522 -->|calls| 49d3bba9_cc0c_dc58_ea41_76e571ea2c0b
  7728f992_9635_0720_678d_adfb8958436b["describeBuiltInComponentFrame()"]
  324c4ac3_e019_c3be_ed23_4066fa3a0522 -->|calls| 7728f992_9635_0720_678d_adfb8958436b
  style 324c4ac3_e019_c3be_ed23_4066fa3a0522 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/shared/ReactComponentStackFrame.js lines 43–62

export function describeDebugInfoFrame(
  name: string,
  env: ?string,
  location: ?Error,
): string {
  if (location != null) {
    // If we have a location, it's the child's owner stack. Treat the bottom most frame as
    // the location of this function.
    const childStack = formatOwnerStack(location);
    const idx = childStack.lastIndexOf('\n');
    const lastLine = idx === -1 ? childStack : childStack.slice(idx + 1);
    if (lastLine.indexOf(name) !== -1) {
      // For async stacks it's possible we don't have the owner on it. As a precaution only
      // use this frame if it has the name of the function in it.
      return '\n' + lastLine;
    }
  }

  return describeBuiltInComponentFrame(name + (env ? ' [' + env + ']' : ''));
}

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Source

Frequently Asked Questions

What does describeDebugInfoFrame() do?
describeDebugInfoFrame() is a function in the react codebase, defined in packages/shared/ReactComponentStackFrame.js.
Where is describeDebugInfoFrame() defined?
describeDebugInfoFrame() is defined in packages/shared/ReactComponentStackFrame.js at line 43.
What does describeDebugInfoFrame() call?
describeDebugInfoFrame() calls 2 function(s): describeBuiltInComponentFrame, formatOwnerStack.

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