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docs: tView.preOrderHooks and tView.preOrderCheckHooks docs update (#39497) 

This commit updates the docs for the `tView.preOrderHooks` and `tView.preOrderCheckHooks` TView
fields. Current docs are not up-to-date as it was pointed out in #39439.

Closes #39439.

PR Close #39497
This commit is contained in:
Andrew Kushnir 2020-10-29 13:00:32 -07:00 committed by Joey Perrott
parent fe343d8d96
commit c83b2ad87f
1 changed files with 8 additions and 6 deletions
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14
packages/core/src/render3/interfaces/view.ts
View File

@ -659,16 +659,19 @@ export interface TView {
* Array of ngOnInit, ngOnChanges and ngDoCheck hooks that should be executed for this view in
* creation mode.
*
* Even indices: Directive index
* Odd indices: Hook function
* This array has a flat structure and contains TNode indices, directive indices (where an
* instance can be found in `LView`) and hook functions. TNode index is followed by the directive
* index and a hook function. If there are multiple hooks for a given TNode, the TNode index is
* not repeated and the next lifecycle hook information is stored right after the previous hook
* function. This is done so that at runtime the system can efficiently iterate over all of the
* functions to invoke without having to make any decisions/lookups.
*/
preOrderHooks: HookData|null;
/**
* Array of ngOnChanges and ngDoCheck hooks that should be executed for this view in update mode.
*
* Even indices: Directive index
* Odd indices: Hook function
* This array has the same structure as the `preOrderHooks` one.
*/
preOrderCheckHooks: HookData|null;
@ -759,8 +762,7 @@ export interface TView {
/**
* An array of indices pointing to directives with content queries alongside with the
* corresponding
* query index. Each entry in this array is a tuple of:
* corresponding query index. Each entry in this array is a tuple of:
* - index of the first content query index declared by a given directive;
* - index of a directive.
*