diff options
| author | dan <dan.abramov@gmail.com> | 2023-11-01 15:31:33 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-11-01 15:31:33 +0000 |
| commit | 85c26fb5a8eef0c60aba1b27d8d516034a7e508e (patch) | |
| tree | 14ed36fb31c88f3cd4cff4d7bd347c73c17f7e0c /patches | |
| parent | adb5ce29614e21e1f061fb4be9c4a7887d0b6869 (diff) | |
| download | voidsky-85c26fb5a8eef0c60aba1b27d8d516034a7e508e.tar.zst | |
Instrument module init in DEV (#1787)
Diffstat (limited to 'patches')
| -rw-r--r-- | patches/metro-runtime+0.76.8.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/patches/metro-runtime+0.76.8.patch b/patches/metro-runtime+0.76.8.patch new file mode 100644 index 000000000..65303775d --- /dev/null +++ b/patches/metro-runtime+0.76.8.patch @@ -0,0 +1,50 @@ +diff --git a/node_modules/metro-runtime/src/polyfills/require.js b/node_modules/metro-runtime/src/polyfills/require.js +index ce67cb4..eeeae84 100644 +--- a/node_modules/metro-runtime/src/polyfills/require.js ++++ b/node_modules/metro-runtime/src/polyfills/require.js +@@ -22,6 +22,13 @@ global.__c = clear; + global.__registerSegment = registerSegment; + var modules = clear(); + ++if (__DEV__) { ++ // Added by Dan for module init logging. ++ global.__INIT_LOGS__ = [] ++ var initModuleCounter = 0 ++ var initModuleStack = [] ++} ++ + // Don't use a Symbol here, it would pull in an extra polyfill with all sorts of + // additional stuff (e.g. Array.from). + const EMPTY = {}; +@@ -303,7 +310,30 @@ function loadModuleImplementation(moduleId, module) { + throw module.error; + } + if (__DEV__) { +- var Systrace = requireSystrace(); ++ // Added by Dan for module init logging. ++ var Systrace = { ++ beginEvent(label) { ++ let fullLabel = initModuleCounter++ + ' ' + label ++ global.__INIT_LOGS__.push( ++ ' '.repeat(initModuleStack.length) + ++ ' ENTER ' + fullLabel ++ ) ++ initModuleStack.push({ ++ fullLabel, ++ startTime: nativePerformanceNow(), ++ }) ++ }, ++ endEvent() { ++ const res = initModuleStack.pop() ++ const fullLabel = res.fullLabel ++ const startTime = res.startTime ++ const timeElapsed = Math.round(nativePerformanceNow() - startTime) ++ global.__INIT_LOGS__.push( ++ ' '.repeat(initModuleStack.length) + ++ ' LEAVE ' + fullLabel + ' [' + timeElapsed + 'ms]', ++ ) ++ } ++ }; + var Refresh = requireRefresh(); + } + |