Function getWeakNodeTextMap

test/fixtures/snapshot/typescript.js:3042–3048

()

                return weakTypeTextMap;
            }
            function getWeakNodeTextMap() {
                if (weakNodeTextMap === undefined) {
                    if (typeof WeakMap === "function")
                        weakNodeTextMap = new WeakMap();
                }
                return weakNodeTextMap;
            }
            // Add additional properties in debug mode to assist with debugging.
            Object.defineProperties(ts.objectAllocator.getSymbolConstructor().prototype, {
                // for use with vscode-js-debug's new customDescriptionGenerator in launch.json