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fix(drag-drop): improved type safety for drag events #12740

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merged 1 commit into from
Aug 20, 2018
Merged

fix(drag-drop): improved type safety for drag events #12740

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17 changes: 8 additions & 9 deletions src/cdk-experimental/drag-drop/drag-events.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -10,35 +10,34 @@ import {CdkDrag} from './drag';
import {CdkDropContainer} from './drop-container';

/** Event emitted when the user starts dragging a draggable. */
export interface CdkDragStart {
export interface CdkDragStart<T = any> {
/** Draggable that emitted the event. */
source: CdkDrag;
source: CdkDrag<T>;
}


/** Event emitted when the user stops dragging a draggable. */
export interface CdkDragEnd {
export interface CdkDragEnd<T = any> {
/** Draggable that emitted the event. */
source: CdkDrag;
source: CdkDrag<T>;
}

/** Event emitted when the user moves an item into a new drop container. */
export interface CdkDragEnter<T> {
export interface CdkDragEnter<T = any, I = T> {
/** Container into which the user has moved the item. */
container: CdkDropContainer<T>;
/** Item that was removed from the container. */
item: CdkDrag;
item: CdkDrag<I>;
}

/**
* Event emitted when the user removes an item from a
* drop container by moving it into another one.
*/
export interface CdkDragExit<T> {
export interface CdkDragExit<T = any, I = T> {
/** Container from which the user has a removed an item. */
container: CdkDropContainer<T>;
/** Item that was removed from the container. */
item: CdkDrag;
item: CdkDrag<I>;
}


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