@angular/core
Version:
Angular - the core framework
88 lines • 10.5 kB
JavaScript
/**
* @fileoverview added by tsickle
* Generated from: packages/core/src/render3/instructions/host_property.ts
* @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import { bindingUpdated } from '../bindings';
import { RENDERER } from '../interfaces/view';
import { getCurrentDirectiveDef, getLView, getSelectedTNode, getTView, nextBindingIndex } from '../state';
import { elementPropertyInternal, loadComponentRenderer, storePropertyBindingMetadata } from './shared';
/**
* Update a property on a host element. Only applies to native node properties, not inputs.
*
* Operates on the element selected by index via the {\@link select} instruction.
*
* \@codeGenApi
* @template T
* @param {?} propName Name of property. Because it is going to DOM, this is not subject to
* renaming as part of minification.
* @param {?} value New value to write.
* @param {?=} sanitizer An optional function used to sanitize the value.
* @return {?} This function returns itself so that it may be chained
* (e.g. `property('name', ctx.name)('title', ctx.title)`)
*
*/
export function ɵɵhostProperty(propName, value, sanitizer) {
/** @type {?} */
const lView = getLView();
/** @type {?} */
const bindingIndex = nextBindingIndex();
if (bindingUpdated(lView, bindingIndex, value)) {
/** @type {?} */
const tView = getTView();
/** @type {?} */
const tNode = getSelectedTNode();
elementPropertyInternal(tView, tNode, lView, propName, value, lView[RENDERER], sanitizer, true);
ngDevMode && storePropertyBindingMetadata(tView.data, tNode, propName, bindingIndex);
}
return ɵɵhostProperty;
}
/**
* Updates a synthetic host binding (e.g. `[\@foo]`) on a component or directive.
*
* This instruction is for compatibility purposes and is designed to ensure that a
* synthetic host binding (e.g. `\@HostBinding('\@foo')`) properly gets rendered in
* the component's renderer. Normally all host bindings are evaluated with the parent
* component's renderer, but, in the case of animation \@triggers, they need to be
* evaluated with the sub component's renderer (because that's where the animation
* triggers are defined).
*
* Do not use this instruction as a replacement for `elementProperty`. This instruction
* only exists to ensure compatibility with the ViewEngine's host binding behavior.
*
* \@codeGenApi
* @template T
* @param {?} propName Name of property. Because it is going to DOM, this is not subject to
* renaming as part of minification.
* @param {?} value New value to write.
* @param {?=} sanitizer An optional function used to sanitize the value.
*
* @return {?}
*/
export function ɵɵupdateSyntheticHostBinding(propName, value, sanitizer) {
/** @type {?} */
const lView = getLView();
/** @type {?} */
const bindingIndex = nextBindingIndex();
if (bindingUpdated(lView, bindingIndex, value)) {
/** @type {?} */
const tView = getTView();
/** @type {?} */
const tNode = getSelectedTNode();
/** @type {?} */
const currentDef = getCurrentDirectiveDef(tView.data);
/** @type {?} */
const renderer = loadComponentRenderer(currentDef, tNode, lView);
elementPropertyInternal(tView, tNode, lView, propName, value, renderer, sanitizer, true);
ngDevMode && storePropertyBindingMetadata(tView.data, tNode, propName, bindingIndex);
}
return ɵɵupdateSyntheticHostBinding;
}
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