Function isSymbolAssigned

test/fixtures/snapshot/typescript.js:71435–71448

(symbol)

        }
        // Check if a parameter or catch variable is assigned anywhere
        function isSymbolAssigned(symbol) {
            if (!symbol.valueDeclaration) {
                return false;
            }
            var parent = ts.getRootDeclaration(symbol.valueDeclaration).parent;
            var links = getNodeLinks(parent);
            if (!(links.flags & 8388608 /* NodeCheckFlags.AssignmentsMarked */)) {
                links.flags |= 8388608 /* NodeCheckFlags.AssignmentsMarked */;
                if (!hasParentWithAssignmentsMarked(parent)) {
                    markNodeAssignments(parent);
                }
            }
            return symbol.isAssigned || false;
        }
        function hasParentWithAssignmentsMarked(node) {
            return !!ts.findAncestor(node.parent, function (node) {
                return (ts.isFunctionLike(node) || ts.isCatchClause(node)) && !!(getNodeLinks(node).flags & 8388608 /* NodeCheckFlags.AssignmentsMarked */);