Merge pull request #31 from timfish/export-ensureperformance

Export ensurePerformance so PLATFORM.performance can be used without initializing jsdom

Author: EisenbergEffect

src/index.ts

@@ -4,6 +4,8 @@ import { initializePAL, DOM, PLATFORM, FEATURE, isInitialized } from 'aurelia-pa
 import { buildPal } from './nodejs-pal-builder';
 import { MutationNotifier } from './polyfills/mutation-observer';
 
+export { ensurePerformance } from './nodejs-pal-builder';
+
 /**
 * Initializes the PAL with the NodeJS-targeted implementation.
 */

src/nodejs-pal-builder.ts

@@ -86,8 +86,7 @@ function patchNotifyChange(window: Window) {
 }
 
 
-function ensurePerformance(window) {
-  const startOffset = Date.now ? Date.now() : + (new Date);
+export function ensurePerformance(window) {
   const _entries = [];
   const _marksIndex = {};