ing

@overflow/core/merge.ts

@@ -0,0 +1,10 @@
+/** Create a copy of an object by merging it with a subset of its properties. */
+export function merge<T, K extends keyof T>(obj: T, subset: Pick<T, K>): T {
+  const copy = Object.assign({}, obj);
+  for (const k in subset) {
+    if (subset[k]) {
+      copy[k] = subset[k];
+    }
+  }
+  return copy;
+}

@overflow/core/window-state.ts

@@ -1,60 +0,0 @@
-// The name of the ipc channel over which state changes are communicated.
-export const windowStateChannelName = 'window-state-changed';
-
-export type WindowState =
-  | 'minimized'
-  | 'normal'
-  | 'maximized'
-  | 'full-screen'
-  | 'hidden';
-
-export function getWindowState(window: Electron.BrowserWindow): WindowState {
-  if (window.isFullScreen()) {
-    return 'full-screen';
-  } else if (window.isMaximized()) {
-    return 'maximized';
-  } else if (window.isMinimized()) {
-    return 'minimized';
-  } else if (!window.isVisible()) {
-    return 'hidden';
-  } else {
-    return 'normal';
-  }
-}
-
-/**
- * Registers event handlers for all window state transition events and
- * forwards those to the renderer process for a given window.
- */
-export function registerWindowStateChangedEvents(
-  window: Electron.BrowserWindow
-) {
-  window.on('enter-full-screen', () =>
-    sendWindowStateEvent(window, 'full-screen')
-  );
-
-  // So this is a bit of a hack. If we call window.isFullScreen directly after
-  // receiving the leave-full-screen event it'll return true which isn't what
-  // we're after. So we'll say that we're transitioning to 'normal' even though
-  // we might be maximized. This works because electron will emit a 'maximized'
-  // event after 'leave-full-screen' if the state prior to full-screen was maximized.
-  window.on('leave-full-screen', () => sendWindowStateEvent(window, 'normal'));
-
-  window.on('maximize', () => sendWindowStateEvent(window, 'maximized'));
-  window.on('minimize', () => sendWindowStateEvent(window, 'minimized'));
-  window.on('unmaximize', () => sendWindowStateEvent(window, 'normal'));
-  window.on('restore', () => sendWindowStateEvent(window, 'normal'));
-  window.on('hide', () => sendWindowStateEvent(window, 'hidden'));
-  window.on('show', () => sendWindowStateEvent(window, 'normal'));
-}
-
-/**
- * Short hand convenience function for sending a window state change event
- * over the window-state-changed channel to the render process.
- */
-function sendWindowStateEvent(
-  window: Electron.BrowserWindow,
-  state: WindowState
-) {
-  window.webContents.send(windowStateChannelName, state);
-}