Method handleConstOperation

lib/javascript/JavascriptParser.js:991–1007

(operandHandler)

			 * @returns {BasicEvaluatedExpression | undefined} the evaluated expression
			 */
			const handleConstOperation = (operandHandler) => {
				const left = this.evaluateExpression(expr.left);
				if (!left.isCompileTimeValue()) return;

				const right = this.evaluateExpression(expr.right);
				if (!right.isCompileTimeValue()) return;

				const result = operandHandler(
					/** @type {T} */ (left.asCompileTimeValue()),
					/** @type {T} */ (right.asCompileTimeValue())
				);
				return valueAsExpression(
					result,
					expr,
					left.couldHaveSideEffects() || right.couldHaveSideEffects()
				);
			};

			/**
			 * Helper function to determine if two booleans are always different. This is used in `handleStrictEqualityComparison`