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handleFetchResourceContentScriptMessage() — react Function Reference

Architecture documentation for the handleFetchResourceContentScriptMessage() function in messageHandlers.js from the react codebase.

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Entity Profile

Dependency Diagram

graph TD
  99f0ed04_b8c0_837f_7c22_c0deafd2ef9c["handleFetchResourceContentScriptMessage()"]
  1182737b_b045_4956_5af8_2f0cbf049f6d["messageHandlers.js"]
  99f0ed04_b8c0_837f_7c22_c0deafd2ef9c -->|defined in| 1182737b_b045_4956_5af8_2f0cbf049f6d
  style 99f0ed04_b8c0_837f_7c22_c0deafd2ef9c fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

packages/react-devtools-extensions/src/background/messageHandlers.js lines 155–171

export function handleFetchResourceContentScriptMessage(message) {
  const {payload} = message;

  switch (payload?.type) {
    case 'fetch-file-with-cache-complete':
    case 'fetch-file-with-cache-error':
      // Forward the result of fetch-in-page requests back to the DevTools page.
      // We switch the source here because of inconsistency between Firefox and Chrome
      // In Chromium this message will be propagated from content script to DevTools page
      // For Firefox, only background script will get this message, so we need to forward it to DevTools page
      chrome.runtime.sendMessage({
        source: 'react-devtools-background',
        payload,
      });
      break;
  }
}

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Frequently Asked Questions

What does handleFetchResourceContentScriptMessage() do?
handleFetchResourceContentScriptMessage() is a function in the react codebase, defined in packages/react-devtools-extensions/src/background/messageHandlers.js.
Where is handleFetchResourceContentScriptMessage() defined?
handleFetchResourceContentScriptMessage() is defined in packages/react-devtools-extensions/src/background/messageHandlers.js at line 155.

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