planning

node_modules/dnd-core/lib/actions/dragDrop/beginDrag.d.ts

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+import { Action, DragDropManager, BeginDragPayload, BeginDragOptions, Identifier } from '../../interfaces';
+export declare function createBeginDrag(manager: DragDropManager): (sourceIds?: Identifier[], options?: BeginDragOptions) => Action<BeginDragPayload> | undefined;

node_modules/dnd-core/lib/actions/dragDrop/beginDrag.js

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+import { invariant } from '@react-dnd/invariant';
+import { setClientOffset } from './local/setClientOffset';
+import { isObject } from '../../utils/js_utils';
+import { BEGIN_DRAG, INIT_COORDS } from './types';
+const ResetCoordinatesAction = {
+    type: INIT_COORDS,
+    payload: {
+        clientOffset: null,
+        sourceClientOffset: null,
+    },
+};
+export function createBeginDrag(manager) {
+    return function beginDrag(sourceIds = [], options = {
+        publishSource: true,
+    }) {
+        const { publishSource = true, clientOffset, getSourceClientOffset, } = options;
+        const monitor = manager.getMonitor();
+        const registry = manager.getRegistry();
+        // Initialize the coordinates using the client offset
+        manager.dispatch(setClientOffset(clientOffset));
+        verifyInvariants(sourceIds, monitor, registry);
+        // Get the draggable source
+        const sourceId = getDraggableSource(sourceIds, monitor);
+        if (sourceId === null) {
+            manager.dispatch(ResetCoordinatesAction);
+            return;
+        }
+        // Get the source client offset
+        let sourceClientOffset = null;
+        if (clientOffset) {
+            if (!getSourceClientOffset) {
+                throw new Error('getSourceClientOffset must be defined');
+            }
+            verifyGetSourceClientOffsetIsFunction(getSourceClientOffset);
+            sourceClientOffset = getSourceClientOffset(sourceId);
+        }
+        // Initialize the full coordinates
+        manager.dispatch(setClientOffset(clientOffset, sourceClientOffset));
+        const source = registry.getSource(sourceId);
+        const item = source.beginDrag(monitor, sourceId);
+        // If source.beginDrag returns null, this is an indicator to cancel the drag
+        if (item == null) {
+            return undefined;
+        }
+        verifyItemIsObject(item);
+        registry.pinSource(sourceId);
+        const itemType = registry.getSourceType(sourceId);
+        return {
+            type: BEGIN_DRAG,
+            payload: {
+                itemType,
+                item,
+                sourceId,
+                clientOffset: clientOffset || null,
+                sourceClientOffset: sourceClientOffset || null,
+                isSourcePublic: !!publishSource,
+            },
+        };
+    };
+}
+function verifyInvariants(sourceIds, monitor, registry) {
+    invariant(!monitor.isDragging(), 'Cannot call beginDrag while dragging.');
+    sourceIds.forEach(function (sourceId) {
+        invariant(registry.getSource(sourceId), 'Expected sourceIds to be registered.');
+    });
+}
+function verifyGetSourceClientOffsetIsFunction(getSourceClientOffset) {
+    invariant(typeof getSourceClientOffset === 'function', 'When clientOffset is provided, getSourceClientOffset must be a function.');
+}
+function verifyItemIsObject(item) {
+    invariant(isObject(item), 'Item must be an object.');
+}
+function getDraggableSource(sourceIds, monitor) {
+    let sourceId = null;
+    for (let i = sourceIds.length - 1; i >= 0; i--) {
+        if (monitor.canDragSource(sourceIds[i])) {
+            sourceId = sourceIds[i];
+            break;
+        }
+    }
+    return sourceId;
+}

node_modules/dnd-core/lib/actions/dragDrop/drop.d.ts

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+import { DragDropManager } from '../../interfaces';
+export declare function createDrop(manager: DragDropManager): (options?: {}) => void;

node_modules/dnd-core/lib/actions/dragDrop/drop.js

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+import { invariant } from '@react-dnd/invariant';
+import { DROP } from './types';
+import { isObject } from '../../utils/js_utils';
+export function createDrop(manager) {
+    return function drop(options = {}) {
+        const monitor = manager.getMonitor();
+        const registry = manager.getRegistry();
+        verifyInvariants(monitor);
+        const targetIds = getDroppableTargets(monitor);
+        // Multiple actions are dispatched here, which is why this doesn't return an action
+        targetIds.forEach((targetId, index) => {
+            const dropResult = determineDropResult(targetId, index, registry, monitor);
+            const action = {
+                type: DROP,
+                payload: {
+                    dropResult: {
+                        ...options,
+                        ...dropResult,
+                    },
+                },
+            };
+            manager.dispatch(action);
+        });
+    };
+}
+function verifyInvariants(monitor) {
+    invariant(monitor.isDragging(), 'Cannot call drop while not dragging.');
+    invariant(!monitor.didDrop(), 'Cannot call drop twice during one drag operation.');
+}
+function determineDropResult(targetId, index, registry, monitor) {
+    const target = registry.getTarget(targetId);
+    let dropResult = target ? target.drop(monitor, targetId) : undefined;
+    verifyDropResultType(dropResult);
+    if (typeof dropResult === 'undefined') {
+        dropResult = index === 0 ? {} : monitor.getDropResult();
+    }
+    return dropResult;
+}
+function verifyDropResultType(dropResult) {
+    invariant(typeof dropResult === 'undefined' || isObject(dropResult), 'Drop result must either be an object or undefined.');
+}
+function getDroppableTargets(monitor) {
+    const targetIds = monitor
+        .getTargetIds()
+        .filter(monitor.canDropOnTarget, monitor);
+    targetIds.reverse();
+    return targetIds;
+}

node_modules/dnd-core/lib/actions/dragDrop/endDrag.d.ts

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+import { DragDropManager, SentinelAction } from '../../interfaces';
+export declare function createEndDrag(manager: DragDropManager): () => SentinelAction;

node_modules/dnd-core/lib/actions/dragDrop/endDrag.js

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+import { invariant } from '@react-dnd/invariant';
+import { END_DRAG } from './types';
+export function createEndDrag(manager) {
+    return function endDrag() {
+        const monitor = manager.getMonitor();
+        const registry = manager.getRegistry();
+        verifyIsDragging(monitor);
+        const sourceId = monitor.getSourceId();
+        if (sourceId != null) {
+            const source = registry.getSource(sourceId, true);
+            source.endDrag(monitor, sourceId);
+            registry.unpinSource();
+        }
+        return { type: END_DRAG };
+    };
+}
+function verifyIsDragging(monitor) {
+    invariant(monitor.isDragging(), 'Cannot call endDrag while not dragging.');
+}

node_modules/dnd-core/lib/actions/dragDrop/hover.d.ts

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+import { Action, DragDropManager, HoverPayload, HoverOptions } from '../../interfaces';
+export declare function createHover(manager: DragDropManager): (targetIdsArg: string[], { clientOffset }?: HoverOptions) => Action<HoverPayload>;

node_modules/dnd-core/lib/actions/dragDrop/hover.js

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+import { invariant } from '@react-dnd/invariant';
+import { matchesType } from '../../utils/matchesType';
+import { HOVER } from './types';
+export function createHover(manager) {
+    return function hover(targetIdsArg, { clientOffset } = {}) {
+        verifyTargetIdsIsArray(targetIdsArg);
+        const targetIds = targetIdsArg.slice(0);
+        const monitor = manager.getMonitor();
+        const registry = manager.getRegistry();
+        checkInvariants(targetIds, monitor, registry);
+        const draggedItemType = monitor.getItemType();
+        removeNonMatchingTargetIds(targetIds, registry, draggedItemType);
+        hoverAllTargets(targetIds, monitor, registry);
+        return {
+            type: HOVER,
+            payload: {
+                targetIds,
+                clientOffset: clientOffset || null,
+            },
+        };
+    };
+}
+function verifyTargetIdsIsArray(targetIdsArg) {
+    invariant(Array.isArray(targetIdsArg), 'Expected targetIds to be an array.');
+}
+function checkInvariants(targetIds, monitor, registry) {
+    invariant(monitor.isDragging(), 'Cannot call hover while not dragging.');
+    invariant(!monitor.didDrop(), 'Cannot call hover after drop.');
+    for (let i = 0; i < targetIds.length; i++) {
+        const targetId = targetIds[i];
+        invariant(targetIds.lastIndexOf(targetId) === i, 'Expected targetIds to be unique in the passed array.');
+        const target = registry.getTarget(targetId);
+        invariant(target, 'Expected targetIds to be registered.');
+    }
+}
+function removeNonMatchingTargetIds(targetIds, registry, draggedItemType) {
+    // Remove those targetIds that don't match the targetType.  This
+    // fixes shallow isOver which would only be non-shallow because of
+    // non-matching targets.
+    for (let i = targetIds.length - 1; i >= 0; i--) {
+        const targetId = targetIds[i];
+        const targetType = registry.getTargetType(targetId);
+        if (!matchesType(targetType, draggedItemType)) {
+            targetIds.splice(i, 1);
+        }
+    }
+}
+function hoverAllTargets(targetIds, monitor, registry) {
+    // Finally call hover on all matching targets.
+    targetIds.forEach(function (targetId) {
+        const target = registry.getTarget(targetId);
+        target.hover(monitor, targetId);
+    });
+}

node_modules/dnd-core/lib/actions/dragDrop/index.d.ts

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+import { DragDropManager, DragDropActions } from '../../interfaces';
+export * from './types';
+export declare function createDragDropActions(manager: DragDropManager): DragDropActions;

node_modules/dnd-core/lib/actions/dragDrop/index.js

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+import { createBeginDrag } from './beginDrag';
+import { createPublishDragSource } from './publishDragSource';
+import { createHover } from './hover';
+import { createDrop } from './drop';
+import { createEndDrag } from './endDrag';
+export * from './types';
+export function createDragDropActions(manager) {
+    return {
+        beginDrag: createBeginDrag(manager),
+        publishDragSource: createPublishDragSource(manager),
+        hover: createHover(manager),
+        drop: createDrop(manager),
+        endDrag: createEndDrag(manager),
+    };
+}

node_modules/dnd-core/lib/actions/dragDrop/local/setClientOffset.d.ts

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+import { XYCoord } from '../../../interfaces';
+import { AnyAction } from 'redux';
+export declare function setClientOffset(clientOffset: XYCoord | null | undefined, sourceClientOffset?: XYCoord | null | undefined): AnyAction;

node_modules/dnd-core/lib/actions/dragDrop/local/setClientOffset.js

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+import { INIT_COORDS } from '../types';
+export function setClientOffset(clientOffset, sourceClientOffset) {
+    return {
+        type: INIT_COORDS,
+        payload: {
+            sourceClientOffset: sourceClientOffset || null,
+            clientOffset: clientOffset || null,
+        },
+    };
+}

node_modules/dnd-core/lib/actions/dragDrop/publishDragSource.d.ts

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+import { DragDropManager, SentinelAction } from '../../interfaces';
+export declare function createPublishDragSource(manager: DragDropManager): () => SentinelAction | undefined;

node_modules/dnd-core/lib/actions/dragDrop/publishDragSource.js

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+import { PUBLISH_DRAG_SOURCE } from './types';
+export function createPublishDragSource(manager) {
+    return function publishDragSource() {
+        const monitor = manager.getMonitor();
+        if (monitor.isDragging()) {
+            return { type: PUBLISH_DRAG_SOURCE };
+        }
+    };
+}

node_modules/dnd-core/lib/actions/dragDrop/types.d.ts

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+export declare const INIT_COORDS = "dnd-core/INIT_COORDS";
+export declare const BEGIN_DRAG = "dnd-core/BEGIN_DRAG";
+export declare const PUBLISH_DRAG_SOURCE = "dnd-core/PUBLISH_DRAG_SOURCE";
+export declare const HOVER = "dnd-core/HOVER";
+export declare const DROP = "dnd-core/DROP";
+export declare const END_DRAG = "dnd-core/END_DRAG";

node_modules/dnd-core/lib/actions/dragDrop/types.js

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+export const INIT_COORDS = 'dnd-core/INIT_COORDS';
+export const BEGIN_DRAG = 'dnd-core/BEGIN_DRAG';
+export const PUBLISH_DRAG_SOURCE = 'dnd-core/PUBLISH_DRAG_SOURCE';
+export const HOVER = 'dnd-core/HOVER';
+export const DROP = 'dnd-core/DROP';
+export const END_DRAG = 'dnd-core/END_DRAG';