rune-langium / visual-editor/src / validateExpression
Function: validateExpression()
ts
function validateExpression(expression): ExpressionValidationResult;Defined in: packages/visual-editor/src/validation/edit-validator.ts:217
Validate an expression string.
This is a lightweight client-side check. Full parsing validation runs in the web worker parse pipeline. This function performs basic structural checks (balanced parentheses, non-empty).
Parameters
| Parameter | Type | Description |
|---|---|---|
expression | string | The expression text to validate. |
Returns
Validation result with error message if invalid.