chore(typings): update WebpackRequire

Author: PatrickJS

src/custom-typings.d.ts

@@ -77,17 +77,26 @@ interface WebpackModule {
   };
 }
 
+interface WebpackRequireEnsureCallback {
+    (req: WebpackRequire): void
+}
+
 interface WebpackRequire {
-  context(file: string, flag?: boolean, exp?: RegExp): any;
+    (id: string): any;
+    (paths: string[], callback: (...modules: any[]) => void): void;
+    ensure(ids: string[], callback: WebpackRequireEnsureCallback, chunkName?: string): void;
+    context(directory: string, useSubDirectories?: boolean, regExp?: RegExp): WebpackContext;
 }
 
+interface WebpackContext extends WebpackRequire {
+    keys(): string[];
+}
 
 interface ErrorStackTraceLimit {
   stackTraceLimit: number;
 }
 
 
-
 // Extend typings
 interface NodeRequire extends WebpackRequire {}
 interface ErrorConstructor extends ErrorStackTraceLimit {}