feat(lib/createProtocol): support custom partitions

fixes #1150

Author: nklayman

lib/createProtocol.js

@@ -3,8 +3,8 @@ import * as path from 'path'
 import { readFile } from 'fs'
 import { URL } from 'url'
 
-export default (scheme) => {
-  protocol.registerBufferProtocol(
+export default (scheme, customProtocol) => {
+  (customProtocol || protocol).registerBufferProtocol(
     scheme,
     (request, respond) => {
       let pathName = new URL(request.url).pathname

lib/index.d.ts

@@ -1,2 +1,4 @@
-export function createProtocol(scheme: string): void
+import { Protocol } from 'electron'
+
+export function createProtocol(scheme: string, customProtocol?: Protocol): void
 export function installVueDevtools(forceDownload?: boolean): Promise<string>