From d5323c1643556969a19afbedd00be44070feb91b Mon Sep 17 00:00:00 2001
From: Radek Pazdera <radek@kano.me>
Date: Fri, 18 Oct 2019 17:20:24 +0100
Subject: [PATCH] feature: Make userData dir name configurable

---
 README.md          | 5 +++--
 app/main.js        | 1 +
 lib/shell/index.js | 7 +++++++
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index c281bd0..8aa1d13 100644
--- a/README.md
+++ b/README.md
@@ -33,8 +33,8 @@ Classic style titlebar (Windows 10)
 
 `Shell`: Use this class to create a new app with a browser window serving content from a local directory
 
-options: 
- - `root`, (required) Root of the local directory you want to serve in the browser window.
+options:
+ - `root`, _(required)_ Root of the local directory you want to serve in the browser window.
  - `scheme`, Scheme that will be used in the server protocol (Default: `shell`)
  - `width`, Width of the main window (Default: `800`).
  - `height`, Height of the main window (Default: `600`).
@@ -44,6 +44,7 @@ options:
  - `devMode`, Enables developer mode (DevTool options) (Default: `false`).
  - `menuTransform`, Function that will receive the shell menu and should return a modified version of it to add custom menu and menu items.
  - `windowOptions`, Any option that will be passed down to electron's `BrowserWindow` constructor.
+ - `userDataDirName`, _(optional)_ Change the name of the directory where user data will be stored. The location is platform-specific. Defaults to the app `name` as specified in `package.json`.
 
 Methods:
 
diff --git a/app/main.js b/app/main.js
index c698f41..fe0fd10 100644
--- a/app/main.js
+++ b/app/main.js
@@ -15,6 +15,7 @@ const shell = new Shell({
     name: 'My App',
     root: CONTENT_ROOT,
     scheme: CONTENT_SCHEME,
+    userDataDirName: 'my-demo-app',
     // Can provide custom width and height
     width: 1440,
     height: 900,
diff --git a/lib/shell/index.js b/lib/shell/index.js
index 6ec6a1c..cf63563 100644
--- a/lib/shell/index.js
+++ b/lib/shell/index.js
@@ -40,6 +40,13 @@ class Shell extends EventEmitter {
         const customTitlebar = !(this.options.titlebar && (!this.options.uwpTitlebar || !Shell.isWin()));
         this.options.server = this.options.server || {};
         app.setName(this.options.name);
+
+        if (this.options.userDataDirName) {
+            const appDataPath = app.getPath('appData');
+            const userDataPath = path.join(appDataPath, this.options.userDataDirName);
+            app.setPath('userData', userDataPath);
+        }
+
         this.log = Logger.getLogger(this.options.log || {});
         protocol.registerStandardSchemes([this.options.scheme], { secure: true });
         if (customTitlebar) {