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refactor(ivy): evaluate map-based styling bindings with a new algorithm (#30543)

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This patch in the second runtime change which refactors how styling
bindings work in Angular. This patch refactors how map-based
`[style]` and `[class]` bindings work using a new algorithm which
is faster and less complex than the former one.

This patch is a follow-up to an earlier refactor which enabled
support for prop-based `[style.name]` and `[class.name]`
bindings (see f03475cac8).

PR Close #30543
This commit is contained in:
Matias Niemelä
2019-05-16 16:25:52 -07:00
parent deb77bd3df
commit dc6406e5e8
14 changed files with 1361 additions and 250 deletions
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10
packages/core/src/render3/instructions/styling.ts
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@ -17,7 +17,7 @@ import {BoundPlayerFactory} from '../styling/player_factory';
import {DEFAULT_TEMPLATE_DIRECTIVE_INDEX} from '../styling/shared';
import {getCachedStylingContext, setCachedStylingContext} from '../styling/state';
import {allocateOrUpdateDirectiveIntoContext, createEmptyStylingContext, forceClassesAsString, forceStylesAsString, getStylingContextFromLView, hasClassInput, hasStyleInput} from '../styling/util';
import {classProp as newClassProp, styleProp as newStyleProp, stylingApply as newStylingApply, stylingInit as newStylingInit} from '../styling_next/instructions';
import {classMap as newClassMap, classProp as newClassProp, styleMap as newStyleMap, styleProp as newStyleProp, stylingApply as newStylingApply, stylingInit as newStylingInit} from '../styling_next/instructions';
import {runtimeAllowOldStyling, runtimeIsNewStylingInUse} from '../styling_next/state';
import {getBindingNameFromIndex} from '../styling_next/util';
import {NO_CHANGE} from '../tokens';
@ -285,6 +285,10 @@ export function ɵɵstyleMap(styles: {[styleName: string]: any} | NO_CHANGE | nu
}
updateStyleMap(stylingContext, styles);
}
if (runtimeIsNewStylingInUse()) {
newStyleMap(styles);
}
}
@ -328,6 +332,10 @@ export function ɵɵclassMap(classes: {[styleName: string]: any} | NO_CHANGE | s
}
updateClassMap(stylingContext, classes);
}
if (runtimeIsNewStylingInUse()) {
newClassMap(classes);
}
}
/**