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import { BEGIN_DRAG, PUBLISH_DRAG_SOURCE, HOVER, END_DRAG, DROP, } from '../actions/dragDrop';
import { REMOVE_TARGET } from '../actions/registry';
import { without } from '../utils/js_utils';
const initialState = {
itemType: null,
item: null,
sourceId: null,
targetIds: [],
dropResult: null,
didDrop: false,
isSourcePublic: null,
};
export function reduce(state = initialState, action) {
const { payload } = action;
switch (action.type) {
case BEGIN_DRAG:
return {
...state,
itemType: payload.itemType,
item: payload.item,
sourceId: payload.sourceId,
isSourcePublic: payload.isSourcePublic,
dropResult: null,
didDrop: false,
};
case PUBLISH_DRAG_SOURCE:
return {
...state,
isSourcePublic: true,
};
case HOVER:
return {
...state,
targetIds: payload.targetIds,
};
case REMOVE_TARGET:
if (state.targetIds.indexOf(payload.targetId) === -1) {
return state;
}
return {
...state,
targetIds: without(state.targetIds, payload.targetId),
};
case DROP:
return {
...state,
dropResult: payload.dropResult,
didDrop: true,
targetIds: [],
};
case END_DRAG:
return {
...state,
itemType: null,
item: null,
sourceId: null,
dropResult: null,
didDrop: false,
isSourcePublic: null,
targetIds: [],
};
default:
return state;
}
}