ObjectExpression class
Represents a property which is either an object of type T or a string expression which resolves to a object of type T.
- Extends
Remarks
String values are always interpreted as an expression, whether it has '=' prefix or not.
Constructors
| Object |
Initializes a new instance of the ObjectExpression<T> class. |
Inherited Properties
| expression |
Getes or sets the expression text to evaluate to get the value. |
| value | Gets or sets the raw value of the expression property. |
Inherited Methods
| get |
Get the value. |
| set |
Set the value. |
| to |
This will return the existing expression if the value is non-complex type. |
| to |
Convert an expression property to string. |
| try |
Try to Get the value. |
Constructor Details
ObjectExpression(T | string | Expression)
Initializes a new instance of the ObjectExpression<T> class.
new ObjectExpression(value?: T | string | Expression)Parameters
- value
-
T | string | Expression
An object of type T or a string expression which resolves to a object of type T.
Inherited Property Details
expressionText
Getes or sets the expression text to evaluate to get the value.
expressionText: stringProperty Value
string
Inherited From ExpressionProperty.expressionText
value
Gets or sets the raw value of the expression property.
value: TProperty Value
T
Inherited From ExpressionProperty.value
Inherited Method Details
getValue(object)
Get the value.
function getValue(data: object): TParameters
- data
-
object
Data to use for expression binding.
Returns
T
The value.
Remarks
An error will be thrown if value is an invalid expression.
Inherited From ExpressionProperty.getValue
setValue(T | string | Expression)
Set the value.
function setValue(value: T | string | Expression)Parameters
- value
-
T | string | Expression
Value to set.
Inherited From ExpressionProperty.setValue
toExpression()
This will return the existing expression if the value is non-complex type.
function toExpression(): ExpressionReturns
The existing expression if the value is non-complex type.
Inherited From ExpressionProperty.toExpression
toString()
Convert an expression property to string.
function toString(): stringReturns
string
The converted string.
Inherited From ExpressionProperty.toString
tryGetValue(object)
Try to Get the value.
function tryGetValue(data: object): { error: Error, value: T }Parameters
- data
-
object
Data to use for expression binding.
Returns
{ error: Error, value: T }
the value or an error.
Inherited From ExpressionProperty.tryGetValue