ds4/src/module/hooks/hotbar-drop.ts

import { isCheck } from "../actor/actor-prepared-data";
import { DS4Item } from "../item/item";
import { DS4ItemData } from "../item/item-data";
import { createRollCheckMacro } from "../macros/roll-check";
import { createRollItemMacro } from "../macros/roll-item";
import notifications from "../ui/notifications";

export default function registerForHotbarDropHook(): void {
    Hooks.on("hotbarDrop", async (hotbar: Hotbar, data: { type: string } & Record<string, unknown>, slot: string) => {
        switch (data.type) {
            case "Item": {
                if (!("data" in data)) {
                    return notifications.warn(game.i18n.localize("DS4.WarningMacrosCanOnlyBeCreatedForOwnedItems"));
                }
                const itemData = data.data as DS4ItemData;

                if (!DS4Item.rollableItemTypes.includes(itemData.type)) {
                    return notifications.warn(
                        game.i18n.format("DS4.WarningItemIsNotRollable", {
                            name: itemData.name,
                            id: itemData._id,
                            type: itemData.type,
                        }),
                    );
                }
                return createRollItemMacro(itemData, slot);
            }
            case "Check": {
                if (!("data" in data) || typeof data.data !== "string" || !isCheck(data.data)) {
                    return notifications.warn(game.i18n.localize("DS4.WarningInvalidCheckDropped"));
                }
                return createRollCheckMacro(data.data, slot);
            }
        }
    });
}