@angular/cdk
Version:
Angular Material Component Development Kit
25 lines (24 loc) • 1.1 kB
TypeScript
/** @docs-private */
export declare type Constructor<T> = new (...args: any[]) => T;
/**
* Interface for a mixin to provide a directive with a function that checks if the sticky input has
* been changed since the last time the function was called. Essentially adds a dirty-check to the
* sticky value.
* @docs-private
*/
export interface CanStick {
/** Whether sticky positioning should be applied. */
sticky: boolean;
/** Whether the sticky input has changed since it was last checked. */
_hasStickyChanged: boolean;
/** Whether the sticky value has changed since this was last called. */
hasStickyChanged(): boolean;
/** Resets the dirty check for cases where the sticky state has been used without checking. */
resetStickyChanged(): void;
}
/**
* Mixin to provide a directive with a function that checks if the sticky input has been
* changed since the last time the function was called. Essentially adds a dirty-check to the
* sticky value.
*/
export declare function mixinHasStickyInput<T extends Constructor<{}>>(base: T): Constructor<CanStick> & T;