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perf(ivy): limit memory reads in getOrCreateNodeInjectorForNode (#33102) 

PR Close #33102
This commit is contained in:
Pawel Kozlowski 2019-10-11 14:42:12 +02:00 committed by Miško Hevery
parent b800b88224
commit dcca80bb1e
1 changed files with 2 additions and 3 deletions
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5
packages/core/src/render3/di.ts
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@ -155,14 +155,13 @@ export function getOrCreateNodeInjectorForNode(
} }
const parentLoc = getParentInjectorLocation(tNode, hostView); const parentLoc = getParentInjectorLocation(tNode, hostView);
const parentIndex = getParentInjectorIndex(parentLoc);
const parentLView = getParentInjectorView(parentLoc, hostView);
const injectorIndex = tNode.injectorIndex; const injectorIndex = tNode.injectorIndex;
// If a parent injector can't be found, its location is set to -1. // If a parent injector can't be found, its location is set to -1.
// In that case, we don't need to set up a cumulative bloom // In that case, we don't need to set up a cumulative bloom
if (hasParentInjector(parentLoc)) { if (hasParentInjector(parentLoc)) {
const parentIndex = getParentInjectorIndex(parentLoc);
const parentLView = getParentInjectorView(parentLoc, hostView);
const parentData = parentLView[TVIEW].data as any; const parentData = parentLView[TVIEW].data as any;
// Creates a cumulative bloom filter that merges the parent's bloom filter // Creates a cumulative bloom filter that merges the parent's bloom filter
// and its own cumulative bloom (which contains tokens for all ancestors) // and its own cumulative bloom (which contains tokens for all ancestors)