inital #6

src/polyfill.ts

@@ -1,10 +1,15 @@
 import {RequestHandler} from 'express';
 import * as polyfillLibrary from 'polyfill-library';
-import {PolyfillFeatureList} from 'polyfill-library';
 import {DefaultConfig, Logger, WaitForSync} from '.';
 import {spawn, Thread, Worker} from 'threads';
 import {WorkerFunction} from 'threads/dist/types/worker';
 
+export type PolyfillFeatureList = {
+	[featureName: string]: {
+		flags?: string[]
+	}
+};
+
 export type PolyfillOptions = {
 	minify: boolean,
 	unknown: 'polyfill'|'ignore',