AsyncPage.qml

AsyncPage.qml

// AsyncPage.qml
import QtQuick
import QtQuick.Controls
Page {
    function _asyncToGenerator(fn) {
        return function() {
            var self = this,
            args = arguments
            return new Promise(function(resolve, reject) {
                var gen = fn.apply(self, args)
                function _next(value) {
                    _asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value)
                }
                function _throw(err) {
                    _asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err)
                }
                _next(undefined)
            })
        }
    }

    function _asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
        try {
            var info = gen[key](arg)
            var value = info.value
        } catch (error) {
            reject(error)
            return
        }
        if (info.done) {
            resolve(value)
        } else {
            Promise.resolve(value).then(_next, _throw)
        }
    }
    
    function pass() {
        return new Promise(function (resolve, reject) {
            Qt.callLater(resolve);
        } );
    }
}