serwist/dist/chunks/resultingClientExists.js

A Swiss Army knife for service workers.

import { t as timeout } from './waitUntil.js';

const MAX_RETRY_TIME = 2000;
async function resultingClientExists(resultingClientId) {
    if (!resultingClientId) {
        return;
    }
    let existingWindows = await self.clients.matchAll({
        type: "window"
    });
    const existingWindowIds = new Set(existingWindows.map((w)=>w.id));
    let resultingWindow = undefined;
    const startTime = performance.now();
    while(performance.now() - startTime < MAX_RETRY_TIME){
        existingWindows = await self.clients.matchAll({
            type: "window"
        });
        resultingWindow = existingWindows.find((w)=>{
            if (resultingClientId) {
                return w.id === resultingClientId;
            }
            return !existingWindowIds.has(w.id);
        });
        if (resultingWindow) {
            break;
        }
        await timeout(100);
    }
    return resultingWindow;
}

export { resultingClientExists as r };