Initial commit: Receipt Studio desktop application

src/renderer/confirmations.ts

@@ -0,0 +1,23 @@
+import { shallowRef } from 'vue'
+import type { ConfirmationOptions } from '../shared/types'
+export const confirmation=shallowRef<ConfirmationOptions|null>(null)
+let resolvePending:((confirmed:boolean)=>void)|null=null
+let previousFocus:HTMLElement|null=null
+
+export function askConfirmation(options:ConfirmationOptions):Promise<boolean>{
+ if(resolvePending)return Promise.resolve(false)
+ previousFocus=document.activeElement instanceof HTMLElement?document.activeElement:null
+ confirmation.value=options
+ return new Promise(resolve=>{resolvePending=resolve})
+}
+export function answerConfirmation(confirmed:boolean):void{
+ const resolve=resolvePending
+ resolvePending=null;confirmation.value=null
+ resolve?.(confirmed)
+}
+export function restoreConfirmationFocus(event:Event):void{
+ event.preventDefault()
+ if(previousFocus?.isConnected&&previousFocus!==document.body&&!previousFocus.matches(':disabled'))previousFocus.focus({preventScroll:true})
+ else document.querySelector<HTMLButtonElement>('.nav-item.active')?.focus({preventScroll:true})
+ previousFocus=null
+}