Async Promise Snippet

AsyncRequest.js

Promise.all(elementJson.map(async (test) => {
    return getTestElementValue(testId, test.id);
})).then(array => {
    groupArrayByProperty(elementJson.map(function (x, i) {
        x.element = array[i];
        return x;
    }), 'path', 0, testId, stateKey, self, testInfo)
});

function groupArrayByProperty(array, prop, index, testID, stateKey, self, testInfo) {
    // https://stackoverflow.com/a/14696535
    var grouped = {};
    for (var i = 0; i < array.length; i++) {
        if (array[i][prop]) {
            var p = array[i][prop][index];
            if (!grouped[p]) { grouped[p] = []; }
            grouped[p].push(array[i]);
        }
    }
    self.setState({
        [stateKey]: grouped,
    });
}