async function SaveEntities()

in docs-samples/V4/JS/contosocafebot-luis-dialogs/src/luisbot.ts [189:245]

• 35 lines of code
• 8 McCabe index (conditional complexity)

async function SaveEntities( dc: DialogContext<TurnContext>, typedresult) {
    // Resolve entities returned from LUIS, and save these to state
    if (typedresult.entities)
    {

        let datetime = typedresult.entities.datetime;

        if (datetime) {
            console.log(`datetime entity found of type ${datetime[0].type}.`);

            // Use the first date or time found in the utterance            
            if (datetime[0].timex) {
                var timexValues = datetime[0].timex
                // timexValues is the array of all resolutions of datetime[0]
                // a datetime entity detected by LUIS is resolved to timex format.
                // More information on timex can be found here: 
                // http://www.timeml.org/publications/timeMLdocs/timeml_1.2.1.html#timex3                                
                // More information on the library which does the recognition can be found here: 
                // https://github.com/Microsoft/Recognizers-Text

                if (datetime[0].type === "datetime") {
                    var resolution = Resolver.evaluate(
                        // array of timex values to evaluate. There may be more than one: "today at 6" can be 6AM or 6PM.
                        timexValues,                        
                        // Creator.evening constrains this to times between 4pm and 8pm
                        [Creator.evening]);
                    if (resolution[0]) {
                        // toNaturalLanguage takes the current date into account to create a friendly string
                        dc.activeDialog.state.dateTime = resolution[0].toNaturalLanguage(new Date());
                        // You can also use resolution.toString() to format the date/time.
                    } else {
                        // time didn't satisfy constraint.
                        dc.activeDialog.state.dateTime = null;
                    }
                } 
                else  {
                    console.log(`Type ${datetime[0].type} is not yet supported. Provide both the date and the time.`);
                }
            }                                                


        }
        let partysize = typedresult.entities.partySize;
        if (partysize) {
            console.log(`partysize entity detected: ${partysize}`);
            // use first partySize entity that was found in utterance
            dc.activeDialog.state.partySize = partysize[0];
        }
        let cafelocation = typedresult.entities.cafeLocation;

        if (cafelocation) {
            console.log(`location entity detected: ${cafelocation}`);
            // use first cafeLocation entity that was found in utterance
            dc.activeDialog.state.cafeLocation = cafelocation[0][0];
        }
    } 
}