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Exhaustive type checking

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This commit is contained in:
Markus Olsson 2016-12-01 09:09:03 +01:00
parent 1d6fb6d8e5
commit e839946092
1 changed files with 3 additions and 1 deletions
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4
app/src/models/app-menu.ts
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@ -1,3 +1,5 @@
import { assertNever } from '../lib/fatal-error'
/** A type union of all possible types of menu items */
export type MenuItem = IMenuItem | ISubmenuItem | ISeparatorMenuItem | ICheckboxMenuItem | IRadioMenuItem
@ -142,7 +144,7 @@ function menuItemFromElectronMenuItem(menuItem: Electron.MenuItem): MenuItem {
case 'radio':
return { id, type: 'radio', label, enabled, visible, accelerator, checked }
default:
throw new Error(`Unknown menu item type ${menuItem.type}`)
return assertNever(menuItem.type, `Unknown menu item type ${menuItem.type}`)
}
}
/**