vide/docs/api/creation.md

Element Creation API

create()

Creates a new UI element, applying any given properties.

• Type

  type Properties = Map<string | number, any>
  
  function create(class: string): (Properties) -> Instance
  function create(instance: Instance): (Properties) -> Instance
  
  

• Details

  The function can take either a string or an Instance as its first argument.

  • If given a string, a new instance with the same class name will be created.
  • If given an Instance, a new instance that is a clone of the given instance will be created.

  This returns another function that is used to apply any properties to the new instance.

• Property setting rules

  • If a table value is another table, that nested table is processed so that any properties inside that table are also applied to the instance just like the outer table.
  • If a table index is a string:
    • If its value is a function then it will either bind that property to a state or connect it if the property type is a RBXScriptSignal.
    • If the value is not a function then the property will be set to that value.
  • If a table index is a number:
    • If its value is a function then it will parent any instances returned by that function as children.
    • If its value is an instance then it will be parented to the instance.

• Example

  Basic element creation.

  local frame = create "Frame" {
      Name = "NewFrame",
      Position = UDim2.fromScale(1, 0)
  }
  

  A component using property nesting/grouping.

  type Layout = {
      Layout = {
          Position: UDim2?,
          Size: UDim2?,
          AnchorPoint: Vector2?
      }
  }
  
  type Children = {
      Children = Array<Instance>
  }
  
  function Background(props: Layout & Children & {
      Color: Color3
  })
      return create "Frame" {
          BackgroundColor3 = Color,
          props.Layout,
          props.Children
      }
  end
  

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