Function getSymbolOfExpando

test/fixtures/snapshot/typescript.js:77003–77045

(node, allowDeclaration)

            return init ? getSymbolOfNode(init) : undefined;
        }
        function getSymbolOfExpando(node, allowDeclaration) {
            if (!node.parent) {
                return undefined;
            }
            var name;
            var decl;
            if (ts.isVariableDeclaration(node.parent) && node.parent.initializer === node) {
                if (!ts.isInJSFile(node) && !(ts.isVarConst(node.parent) && ts.isFunctionLikeDeclaration(node))) {
                    return undefined;
                }
                name = node.parent.name;
                decl = node.parent;
            }
            else if (ts.isBinaryExpression(node.parent)) {
                var parentNode = node.parent;
                var parentNodeOperator = node.parent.operatorToken.kind;
                if (parentNodeOperator === 63 /* SyntaxKind.EqualsToken */ && (allowDeclaration || parentNode.right === node)) {
                    name = parentNode.left;
                    decl = name;
                }
                else if (parentNodeOperator === 56 /* SyntaxKind.BarBarToken */ || parentNodeOperator === 60 /* SyntaxKind.QuestionQuestionToken */) {
                    if (ts.isVariableDeclaration(parentNode.parent) && parentNode.parent.initializer === parentNode) {
                        name = parentNode.parent.name;
                        decl = parentNode.parent;
                    }
                    else if (ts.isBinaryExpression(parentNode.parent) && parentNode.parent.operatorToken.kind === 63 /* SyntaxKind.EqualsToken */ && (allowDeclaration || parentNode.parent.right === parentNode)) {
                        name = parentNode.parent.left;
                        decl = name;
                    }
                    if (!name || !ts.isBindableStaticNameExpression(name) || !ts.isSameEntityName(name, parentNode.left)) {
                        return undefined;
                    }
                }
            }
            else if (allowDeclaration && ts.isFunctionDeclaration(node)) {
                name = node.name;
                decl = node;
            }
            if (!decl || !name || (!allowDeclaration && !ts.getExpandoInitializer(node, ts.isPrototypeAccess(name)))) {
                return undefined;
            }
            return getSymbolOfNode(decl);
        }
        function getAssignedJSPrototype(node) {
            if (!node.parent) {
                return false;