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编辑当前文件:/home/freeclou/app.optimyar.com/backend/node_modules/dnd-core/lib/reducers/dragOperation.js

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 default function dragOperation(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;
    }
}