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refactor(ivy): remove styling state storage and introduce direct style writing (#32259) (#32596)

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This patch is a final major refactor in styling Angular.

This PR includes three main fixes:

All temporary state taht is persisted between template style/class application
and style/class application in host bindings is now removed.
Removes the styling() and stylingApply() instructions.
Introduces a "direct apply" mode that is used apply prop-based
style/class in the event that there are no map-based bindings as
well as property collisions.

PR Close #32259

PR Close #32596
This commit is contained in:
Matias Niemelä
2019-09-09 13:14:26 -07:00
parent 55b55e7c97
commit 15aeab1620
46 changed files with 1728 additions and 1614 deletions
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3
packages/core/src/render3/component.ts
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@ -23,7 +23,7 @@ import {TElementNode, TNode, TNodeType} from './interfaces/node';
import {PlayerHandler} from './interfaces/player';
import {RElement, Renderer3, RendererFactory3, domRendererFactory3} from './interfaces/renderer';
import {CONTEXT, HEADER_OFFSET, LView, LViewFlags, RootContext, RootContextFlags, TVIEW} from './interfaces/view';
import {getPreviousOrParentTNode, resetComponentState, selectView, setActiveHostElement} from './state';
import {getPreviousOrParentTNode, incrementActiveDirectiveId, resetComponentState, selectView, setActiveHostElement} from './state';
import {publishDefaultGlobalUtils} from './util/global_utils';
import {defaultScheduler, stringifyForError} from './util/misc_utils';
import {getRootContext} from './util/view_traversal_utils';
@ -217,6 +217,7 @@ export function createRootComponent<T>(
if (tView.firstTemplatePass && componentDef.hostBindings) {
const elementIndex = rootTNode.index - HEADER_OFFSET;
setActiveHostElement(elementIndex);
incrementActiveDirectiveId();
const expando = tView.expandoInstructions !;
invokeHostBindingsInCreationMode(