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import { isNull, isUndefined } from '../../type/type';
export function style<K extends keyof CSSStyleDeclaration>(
elm: HTMLElement,
prop: K,
): CSSStyleDeclaration[ K ];
export function style(
elm: HTMLElement,
prop: string,
): string;
export function style(
elm: HTMLElement,
prop: string,
value: string | number
): void;
/**
* Applies inline styles to the provided element by an object literal.
*
* @param elm - An element to apply styles to.
* @param prop - An object literal with styles or a property name.
* @param value - A value to set.
*/
export function style(
elm: HTMLElement,
prop: string,
value?: string | number
): string | void {
if ( isUndefined( value ) ) {
return getComputedStyle( elm )[ prop ];
}
if ( ! isNull( value ) ) {
const { style } = elm;
value = `${ value }`;
if ( style[ prop ] !== value ) {
style[ prop ] = value;
}
}
}
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