@lxlib/util
Version:
This library was generated with [Angular CLI](https://github.com/angular/angular-cli) version 9.1.1.
62 lines • 4.17 kB
JavaScript
/**
* @fileoverview added by tsickle
* Generated from: src/other/style.ts
* @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
/**
* @param {?} el
* @param {?} classMap
* @param {?} renderer
* @return {?}
*/
function removeClass(el, classMap, renderer) {
// tslint:disable-next-line: forin
for (const i in classMap) {
renderer.removeClass(el, i);
}
}
/**
* @param {?} el
* @param {?} classMap
* @param {?} renderer
* @return {?}
*/
function addClass(el, classMap, renderer) {
for (const i in classMap) {
if (classMap[i]) {
renderer.addClass(el, i);
}
}
}
/**
* 更新宿主组件样式 `class`，例如：
*
* ```ts
* updateHostClass(
* this.el.nativeElement,
* this.renderer,
* {
* [ 'classname' ]: true,
* [ 'classname' ]: this.type === '1',
* [ this.cls ]: true,
* [ `a-${this.cls}` ]: true
* })
* ```
*
* @param {?} el
* @param {?} renderer
* @param {?} classMap
* @param {?=} cleanAll
* @return {?}
*/
export function updateHostClass(el, renderer, classMap, cleanAll = false) {
if (cleanAll === true) {
renderer.removeAttribute(el, 'class');
}
else {
removeClass(el, classMap, renderer);
}
classMap = Object.assign({}, classMap);
addClass(el, classMap, renderer);
}
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