How to use the qz-tray.api function in qz-tray
To help you get started, we’ve selected a few qz-tray examples, based on popular ways it is used in public projects.
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qzind / tray / assets / signing / sign-message.ts View on Github 
/*
* Preferred, from a secure controller
*
qz.security.setSignaturePromise(hash => {
return (resolve, reject) => {
fetch("/path/to/controller?request=" + hash, {cache: 'no-store', headers: {'Content-Type': 'text/plain'}})
.then(wrapped => wrapped.text())
.then(data => resolve(data))
.catch(err => console.error(err));
});
};
});
*/
qz.api.setSha256Type(data => sha256(data));
qz.api.setPromiseType(resolver => new Promise(resolver));
qz.websocket.connect()
.then(qz.printers.getDefault)
.then(printer => console.log("The default printer is: " + printer))
.then(qz.websocket.disconnect)
.catch(err => console.error(err));
@Component({
selector: 'app-root',
templateUrl: './app.component.html',
styleUrls: ['./app.component.css']
})
export class AppComponent {
title = 'QZ Tray AngularJS Signing';
}/*
* Preferred, from a secure controller
*
qz.security.setSignaturePromise(hash => {
return (resolve, reject) => {
fetch("/path/to/controller?request=" + hash, {cache: 'no-store', headers: {'Content-Type': 'text/plain'}})
.then(wrapped => wrapped.text())
.then(data => resolve(data))
.catch(err => console.error(err));
});
};
});
*/
qz.api.setSha256Type(data => sha256(data));
qz.api.setPromiseType(resolver => new Promise(resolver));
qz.websocket.connect()
.then(qz.printers.getDefault)
.then(printer => console.log("The default printer is: " + printer))
.then(qz.websocket.disconnect)
.catch(err => console.error(err));
@Component({
selector: 'app-root',
templateUrl: './app.component.html',
styleUrls: ['./app.component.css']
})
export class AppComponent {
title = 'QZ Tray AngularJS Signing';
}qz-tray
Connects a web client to the QZ Tray software. Enables printing and device communication from javascript.
