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The launchQueue read-only property of the Window interface provides access to the LaunchQueue class, which allows custom launch navigation handling to be implemented in a progressive web app (PWA), with the handling context signified by the launch_handler manifest field client_mode value.
The custom launch navigation handling functionality is controlled by the properties of the LaunchParams object passed into the LaunchQueue.setConsumer() callback function.
A LaunchQueue object instance.
if ("launchQueue" in window) {
window.launchQueue.setConsumer((launchParams) => {
if (launchParams.targetURL) {
const params = new URL(launchParams.targetURL).searchParams;
// Assuming a music player app that gets a track passed to it to be played
const track = params.get("track");
if (track) {
audio.src = track;
title.textContent = new URL(track).pathname.substring(1);
audio.play();
}
}
});
}
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