Function getWeakTypeTextMap

test/fixtures/snapshot/typescript.js:3035–3041

()

            var weakTypeTextMap;
            var weakNodeTextMap;
            function getWeakTypeTextMap() {
                if (weakTypeTextMap === undefined) {
                    if (typeof WeakMap === "function")
                        weakTypeTextMap = new WeakMap();
                }
                return weakTypeTextMap;
            }
            function getWeakNodeTextMap() {
                if (weakNodeTextMap === undefined) {
                    if (typeof WeakMap === "function")