Function compileWhenExpression

compileWhenExpression(
    source: string,
    declared: WhenParameterLookup,
    context: { index: number },
): TransitionCondition
Compiles one when string into a typed TransitionCondition.
Parameters
- source: string
- declared: WhenParameterLookup
- context: { index: number }
Returns TransitionCondition

Throws
FourError INVALID_APPLICATION_STATE — the string does not match the restricted grammar, names an undeclared parameter, or tests a parameter with the wrong kind of predicate.
- Defined in packages/animation/dist/when.d.ts:33