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feat(ivy): introduce "allocHostVars" instruction as a replacement for "hostVars" field (FW-692) (#27299)

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PR Close #27299
This commit is contained in:
Andrew Kushnir
2018-11-27 12:05:26 -08:00
committed by Igor Minar
parent 0df914e1e9
commit a088b8c203
25 changed files with 329 additions and 144 deletions
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12
packages/core/src/render3/state.ts
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@ -8,6 +8,7 @@
import {assertDefined} from './assert';
import {executeHooks} from './hooks';
import {ComponentDef, DirectiveDef} from './interfaces/definition';
import {TElementNode, TNode, TNodeFlags, TViewNode} from './interfaces/node';
import {LQueries} from './interfaces/query';
import {BINDING_INDEX, CONTEXT, DECLARATION_VIEW, FLAGS, HOST_NODE, LView, LViewFlags, OpaqueViewState, QUERIES, TVIEW} from './interfaces/view';
@ -34,6 +35,17 @@ export function decreaseElementDepthCount() {
elementDepthCount--;
}
let currentDirectiveDef: DirectiveDef<any>|ComponentDef<any>|null = null;
export function getCurrentDirectiveDef(): DirectiveDef<any>|ComponentDef<any>|null {
// top level variables should not be exported for performance reasons (PERF_NOTES.md)
return currentDirectiveDef;
}
export function setCurrentDirectiveDef(def: DirectiveDef<any>| ComponentDef<any>| null): void {
currentDirectiveDef = def;
}
/**
* Stores whether directives should be matched to elements.
*