Source symbols: packages/react-devtools-extensions/src/background/index.js

Deterministic, value-free symbol metadata extracted from public source. Implementations and literal values are not copied into this page.

• Revision: main@83840902c890f0eb85decda239ef6b1b14945779 · 2026-07-20T14:18:32Z
• Declarations: 17
• Referenced calls: 18

Declared symbols

• ports — const at line 23
• registerTab — function at line 32
• registerExtensionPort — function at line 44; references addListener
• registerProxyPort — function at line 58; references addListener
• isNumeric — function at line 71
• tabId — const at line 84; references disconnect
• registeredPort — const at line 87; references disconnect
• proxy — const at line 88; references disconnect
• tabId — const at line 115; references registerTab, registerExtensionPort, connectExtensionAndProxyPorts
• connectExtensionAndProxyPorts — function at line 140; references Error, postMessage, log, disconnectListener, removeListener, addListener
• extensionPort — const at line 150; references Error
• proxyPort — const at line 157; references Error
• extensionPortMessageListener — function at line 166; references postMessage, log, disconnectListener
• proxyPortMessageListener — function at line 178; references postMessage, log, disconnectListener
• disconnectListener — function at line 190; references removeListener
• numericRegisteredTabId — const at line 236; references postMessage
• event — const at line 237; references postMessage

Imported modules

• ./messageHandlers

File-level call references

• addListener — line 48
• disconnect — line 91
• registerTab — line 94
• registerProxyPort — line 95
• connectExtensionAndProxyPorts — line 103
• isNumeric — line 113
• registerExtensionPort — line 118
• warn — line 137
• Error — line 146
• postMessage — line 168
• log — line 171
• disconnectListener — line 174
• removeListener — line 191
• handleDevToolsPageMessage — line 213
• handleFetchResourceContentScriptMessage — line 217
• handleBackendManagerMessage — line 221
• handleReactDevToolsHookMessage — line 225
• for — line 231

Source: packages/react-devtools-extensions/src/background/index.js