# Interface: IVariableManager

Provides methods and properties for managing configuration variables.

## Hierarchy

* **IVariableManager**

## Implemented by

* [VariableManager](../classes/variablemanager.md)

## Index

### Properties

* [editor](ivariablemanager.md#editor)
* [variables](ivariablemanager.md#variables)

### Methods

* [append](ivariablemanager.md#append)
* [appendExpression](ivariablemanager.md#appendexpression)
* [calculate](ivariablemanager.md#calculate)
* [calculateAll](ivariablemanager.md#calculateall)
* [init](ivariablemanager.md#init)

## Properties

###  editor

• **editor**: *[AuWizard](../classes/auwizard.md)*

A reference to an editor's instance.

___

###  variables

• **variables**: *any*

An object containing variables for the editor config.

## Methods

###  append

▸ **append**(`name`: string, `value`: any, `updateScope?`: boolean): *void*

Appends a new variable to the `vars` object or updates an existing variable.

**Parameters:**

Name | Type | Description |
------ | ------ | ------ |
`name` | string | The name of the variable. |
`value` | any | The value of the variable. |
`updateScope?` | boolean | If `true`, runs scope recompilation so that widgets get updated parameters.  |

**Returns:** *void*

___

###  appendExpression

▸ **appendExpression**(`name`: string, `value`: string): *any*

Appends a new expression to the editor's variables or updates an existing variable.

**Parameters:**

Name | Type | Description |
------ | ------ | ------ |
`name` | string | The name of the variable. |
`value` | string | The expression of the variable. |

**Returns:** *any*

The calculated value of the expression.

___

###  calculate

▸ **calculate**(`name`: string): *any*

Gets a variable by its name and calculates its value.

**Parameters:**

Name | Type | Description |
------ | ------ | ------ |
`name` | string | The variable name. |

**Returns:** *any*

The calculated value of the variable.

___

###  calculateAll

▸ **calculateAll**(): *object*

Calculates all the editor's variables.

**Returns:** *object*

A dictionary of calculated variable values.

* \[ **name**: *string*\]: any

___

###  init

▸ **init**(`initialVars`: any): *void*

Initializes the variable manager with the defined editor's variables.

**Parameters:**

Name | Type | Description |
------ | ------ | ------ |
`initialVars` | any | The `vars` object defined in the editor's config.  |

**Returns:** *void*