8000 Previous or parent t nodes always matches tview 10.1.x by mhevery · Pull Request #39029 · angular/angular · GitHub
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Previous or parent t nodes always matches tview 10.1.x #39029

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Merged
merged 11 commits into from
Sep 29, 2020
Merged

Previous or parent t nodes always matches tview 10.1.x #39029

merged 11 commits into from
Sep 29, 2020

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mhevery
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@mhevery mhevery commented Sep 28, 2020

PR Checklist

Please check if your PR fulfills the following requirements:

PR Type

What kind of change does this PR introduce?

  • Bugfix
  • Feature
  • Code style update (formatting, local variables)
  • Refactoring (no functional changes, no api changes)
  • Build related changes
  • CI related changes
  • Documentation content changes
  • angular.io application / infrastructure changes
  • Other... Please describe:

What is the current behavior?

Issue Number: N/A

What is the new behavior?

Does this PR introduce a breaking change?

  • Yes
  • No

Other information

@pullapprove pullapprove bot requested a review from IgorMinar September 28, 2020 20:35
@mhevery
docs(core): corre 8000 ct instructions for running component repo locally (a…
689651b 
…ngular#38707)

PR Close angular#38707
@mhevery
refactor(core): Ensure that previousOrParentTNode always belongs to…
33aaa9e 
… current `TView`. (angular#38707)

`previousOrParentTNode` stores current `TNode`. Due to inconsistent
implementation the value stored would sometimes belong to the current
`TView` and sometimes to the parent. We have extra logic which accounts
for it. A better solution is to just ensure that `previousOrParentTNode`
always belongs to current `TNode`. This simplifies the mental model
and cleans up some code.

PR Close angular#38707
@mhevery
refactor(core): Remove host TNode from getOrCreateTNode (angular#…
bc6ff77 
…38707)

Host `TNode` was passed into `getOrCreateTNode` just so that we can
compute weather or not we are a root node. This was needed because
`previousOrParentTNode` could have `TNode` from `TView` other then
current `TView`. This is confusing mental model. Previous change
ensured that `previousOrParentTNode` must always be part of `TView`,
which enabled this change to remove the unneeded argument.

PR Close angular#38707
@mhevery
refactor(core): Add injector debug information to LViewDebug (angul…
b613639 
…ar#38707)

Extended the `LViewDebug` to display node-injector information for each
node.

PR Close angular#38707
@mhevery mhevery force-pushed the previousOrParentTNodes-always-matches-tview-10.1.x branch 2 times, most recently from e287005 to 108ef65 Compare September 28, 2020 22:47
@mhevery
refactor(core): Remove reliance on TNodeType.View. (angular#38707)
4645f43 
`TNodeType.View` was created to support inline views. That feature did
not materialize and we have since removed the instructions for it, leave
 an unneeded `TNodeType.View` which was still used in a very
 inconsistent way. This change no longer created `TNodeType.View` (and
 there will be a follow up chang to completely remove it.)

Also simplified the mental model so that `LView[HOST]`/`LView[T_HOST]`
always point to the insertion location of the `LView`.

PR Close angular#38707
@mhevery
refactor(core): Remove TViewNode as it is no longer used. (angular#…
ed35adb 
…38707)

Previous commit change the logic to not rely on the `TViewNode` this
change removes it entirely.

PR Close angular#38707
@mhevery
refactor(core): Rename TView.node to TView.declTNode. (angular#38707
15fa4bb 
)

The value stored in `TView.node` is really the declaration `TNode`,
therefore renaming to make it more explicit.

PR Close angular#38707
@mhevery
refactor(core): change getPreviousOrParentTNode to return `TNode|nu…
0fa208f 
…ll` (angular#38707)

This change makes `getPreviousOrParentTNode` return `TNode|null` (rather
than just `TNode`) which is more reflective of the reality. The
`getPreviousOrParentTNode` can be `null` upon entering the `LView`.

PR Close angular#38707
@mhevery
refactor(core): renamed previousOrParent to currentTNode (angular…
65d4e7a 
…#38707)

The previous name of `previousOrParent` was confusing. Changed the
terminology to `currentTNode`.

PR Close angular#38707
@mhevery
docs(core): Update instructions on updating symbol tests (angular#38707)
9891cef 
PR Close angular#38707
@mhevery
refactor(core): Create NodeInjectorOffset type which better describ…
69302ad 
…es NodeInjector (angular#38707)

`NodeInjector` is store in expando as a list of values in an array. The
offset constant into the array have been brought together into a single
`NodeInjectorOffset` enum with better documentation explaining their usage.

PR Close angular#38707
@mhevery mhevery force-pushed the previousOrParentTNodes-always-matches-tview-10.1.x branch from 108ef65 to 69302ad Compare September 28, 2020 23:21
@mhevery mhevery added action: merge The PR is ready for merge by the caretaker target: patch This PR is targeted for the next patch release merge: caretaker note Alert the caretaker performing the merge to check the PR for an out of normal action needed or note labels Sep 28, 2020
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mhevery commented Sep 28, 2020

CARETAKER: This is a 10.1.x branch of #38707. Don't merge it using caretaker merge script because this PR already has PR closing comments in as it was cherry-picked from master. Merge it manually.

@alxhub alxhub merged commit 69302ad into angular:10.1.x Sep 29, 2020
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