Class ContainerSlot

Represents a slot within a broader container (e.g., entity inventory.)

Example: getMainhandSlotFromEquippble.js

import { world, EquipmentSlot } from "@minecraft/server";

const player = world.getPlayers()[0];
const equippable = player.getComponent("equippable");
const slot = equippable.getEquipmentSlot(EquipmentSlot.Mainhand);

Example: getMainhandSlotFromInventory.js

import { world } from "@minecraft/server";

const player = world.getPlayers()[0];
const inventory = player.getComponent("inventory");
const slot = inventory.container.getSlot(player.selectedSlotIndex);

Properties

amount isStackable keepOnDeath lockMode maxAmount nameTag? type typeId

Methods

clearDynamicProperties getCanDestroy getCanPlaceOn getDynamicProperty getDynamicPropertyIds getDynamicPropertyTotalByteCount getItem getLore getTags hasItem hasTag isStackableWith isValid setCanDestroy setCanPlaceOn setDynamicProperty setItem setLore

Properties

amount

amount: number

Remarks

Number of the items in the stack. Valid values range between 1-255. The provided value will be clamped to the item's maximum stack size.

This property can't be edited in read-only mode.

Throws

Throws if the value is outside the range of 1-255.

ReadonlyisStackable

isStackable: boolean

Remarks

Returns whether the item is stackable. An item is considered stackable if the item's maximum stack size is greater than 1 and the item does not contain any custom data or properties.

Throws

Throws if the slot's container is invalid.

InvalidContainerSlotError

keepOnDeath

keepOnDeath: boolean

Remarks

Gets or sets whether the item is kept on death.

This property can't be edited in read-only mode.

Throws

Throws if the slot's container is invalid.

lockMode

lockMode: ItemLockMode

Remarks

Gets or sets the item's lock mode. The default value is ItemLockMode.none.

This property can't be edited in read-only mode.

Throws

Throws if the slot's container is invalid.

ReadonlymaxAmount

maxAmount: number

Remarks

The maximum stack size. This value varies depending on the type of item. For example, torches have a maximum stack size of 64, while eggs have a maximum stack size of 16.

Throws

Throws if the slot's container is invalid.

InvalidContainerSlotError

OptionalnameTag

nameTag?: string

Remarks

Given name of this stack of items. The name tag is displayed when hovering over the item. Setting the name tag to an empty string or undefined will remove the name tag.

This property can't be edited in read-only mode.

Throws

Throws if the slot's container is invalid. Also throws if the length exceeds 255 characters.

Readonlytype

type: ItemType

Remarks

The type of the item.

Throws

Throws if the slot's container is invalid.

minecraftcommon.EngineError

InvalidContainerSlotError

ReadonlytypeId

typeId: string

Remarks

Identifier of the type of items for the stack. If a namespace is not specified, 'minecraft:' is assumed. Examples include 'wheat' or 'apple'.

Throws

Throws if the slot's container is invalid.

InvalidContainerSlotError

Methods

clearDynamicProperties

  • clearDynamicProperties(): void

  • Returns void

    Remarks

    Clears all dynamic properties that have been set on this item stack.

    Throws

    Throws if the slot's container is invalid.

    InvalidContainerSlotError

getCanDestroy

  • getCanDestroy(): string[]

  • Returns string[]

    Remarks

    Returns whether the item within this container slot can be destroyed.

    Throws

    This function can throw errors.

    InvalidContainerSlotError

getCanPlaceOn

  • getCanPlaceOn(): string[]

  • Returns string[]

    Remarks

    Returns if the item in this container slot can be placed on.

    Throws

    This function can throw errors.

    InvalidContainerSlotError

getDynamicProperty

  • getDynamicProperty(identifier: string): string | number | boolean | Vector3

  • Parameters

    • identifier: string

      The property identifier.

    Returns string | number | boolean | Vector3

    Returns the value for the property, or undefined if the property has not been set.

    Remarks

    Returns a property value.

    Throws

    Throws if the slot's container is invalid.

    InvalidContainerSlotError

getDynamicPropertyIds

  • getDynamicPropertyIds(): string[]

  • Returns string[]

    A string array of the dynamic properties set on this entity.

    Remarks

    Returns the available set of dynamic property identifiers that have been used on this item stack.

    Throws

    Throws if the slot's container is invalid.

    InvalidContainerSlotError

getDynamicPropertyTotalByteCount

  • getDynamicPropertyTotalByteCount(): number

  • Returns number

    Remarks

    Returns the total size, in bytes, of all the dynamic properties that are currently stored for this entity. This includes the size of both the key and the value. This can be useful for diagnosing performance warning signs - if, for example, an entity has many megabytes of associated dynamic properties, it may be slow to load on various devices.

    Throws

    Throws if the slot's container is invalid.

    InvalidContainerSlotError

getItem

  • getItem(): ItemStack

  • Returns ItemStack

    Returns a copy of the item in the slot. Returns undefined if the slot is empty.

    Remarks

    Creates an exact copy of the item stack, including any custom data or properties.

    Throws

    Throws if the slot's container is invalid.

    InvalidContainerSlotError

getLore

  • getLore(): string[]

  • Returns string[]

    An array of lore strings. If the item does not have lore, returns an empty array.

    Remarks

    Returns the lore value - a secondary display string - for an ItemStack.

    Throws

    Throws if the slot's container is invalid.

    InvalidContainerSlotError

getTags

  • getTags(): string[]

  • Returns string[]

    Returns all tags for the item in the slot. Return an empty array if the the slot is empty.

    Remarks

    Returns all tags for the item in the slot.

    Throws

    Throws if the slot's container is invalid.

    InvalidContainerSlotError

hasItem

  • hasItem(): boolean

  • Returns boolean

    Remarks

    Returns true if this slot has an item.

    Throws

    This function can throw errors.

    InvalidContainerSlotError

hasTag

  • hasTag(tag: string): boolean

  • Parameters

    • tag: string

      The item tag.

    Returns boolean

    Returns false when the slot is empty or the item in the slot does not have the given tag.

    Remarks

    Returns whether the item in the slot slot has the given tag.

    Throws

    Throws if the slot's container is invalid.

    InvalidContainerSlotError

isStackableWith

  • isStackableWith(itemStack: ItemStack): boolean

  • Parameters

    • itemStack: ItemStack

      The ItemStack that is being compared.

    Returns boolean

    Returns whether this item stack can be stacked with the given itemStack.

    Remarks

    Returns whether this item stack can be stacked with the given itemStack. This is determined by comparing the item type and any custom data and properties associated with the item stacks. The amount of each item stack is not taken into consideration.

    Throws

    Throws if the slot's container is invalid.

    InvalidContainerSlotError

isValid

  • isValid(): boolean

  • Returns boolean

    Remarks

    Returns whether the ContainerSlot is valid. The container slot is valid if the container exists and is loaded, and the slot index is valid.

setCanDestroy

  • setCanDestroy(blockIdentifiers?: string[]): void

  • Parameters

    • OptionalblockIdentifiers: string[]

      The list of blocks, given by their identifiers.

    Returns void

    Remarks

    The list of block types this item can break in Adventure mode. The block names are displayed in the item's tooltip. Setting the value to undefined will clear the list.

    This function can't be called in read-only mode.

    Throws

    Throws if the slot's container is invalid. Also throws if any of the provided block identifiers are invalid.

    Error

    InvalidContainerSlotError

setCanPlaceOn

  • setCanPlaceOn(blockIdentifiers?: string[]): void

  • Parameters

    • OptionalblockIdentifiers: string[]

      The list of blocks, given by their identifiers.

    Returns void

    Remarks

    The list of block types this item can be placed on in Adventure mode. This is only applicable to block items. The block names are displayed in the item's tooltip. Setting the value to undefined will clear the list.

    This function can't be called in read-only mode.

    Throws

    Throws if the slot's container is invalid. Also throws if any of the provided block identifiers are invalid.

    Error

    InvalidContainerSlotError

setDynamicProperty

  • setDynamicProperty(
        identifier: string,
        value?: string | number | boolean | Vector3,
    ): void

  • Parameters

    • identifier: string

      The property identifier.

    • Optionalvalue: string | number | boolean | Vector3

      Data value of the property to set.

    Returns void

    Remarks

    Sets a specified property to a value.

    Throws

    Throws if the slot's container is invalid.

    Error

    InvalidContainerSlotError

setItem

  • setItem(itemStack?: ItemStack): void

  • Parameters

    • OptionalitemStack: ItemStack

      The ItemStack to be placed in the slot.

    Returns void

    Remarks

    Sets the given ItemStack in the slot, replacing any existing item.

    This function can't be called in read-only mode.

    Throws

    Throws if the slot's container is invalid.

    InvalidContainerSlotError

setLore

  • setLore(loreList?: string[]): void

  • Parameters

    • OptionalloreList: string[]

      A list of lore strings. Setting this argument to undefined will clear the lore.

    Returns void

    Remarks

    Sets the lore value - a secondary display string - for an ItemStack.

    This function can't be called in read-only mode.

    Throws

    Throws if the slot's container is invalid.

    Error

    InvalidContainerSlotError

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