Function evaluateCssExpressions

packages/core/ui/styling/style-scope.ts:62–79

* Evaluate css-variable and css-calc expressions

(view: ViewBase, property: string, value: string)

 * Evaluate css-variable and css-calc expressions
 */
function evaluateCssExpressions(view: ViewBase, property: string, value: string) {
	const newValue = _evaluateCssVariableExpression(view, property, value);
	if (newValue === 'unset') {
		return unsetValue;
	}

	value = newValue;

	try {
		value = _evaluateCssCalcExpression(value);
	} catch (e) {
		Trace.write(`Failed to evaluate css-calc for property [${property}] for expression [${value}] to ${view}. ${e.stack}`, Trace.categories.Error, Trace.messageType.error);

		return unsetValue;
	}

	return value;
}

export function mergeCssSelectors(): void {
	mergedApplicationCssSelectors = applicationCssSelectors.slice();