AGS route-solving proxy

ags-route-proxy.ts

/**
 * http://sampleserver6.arcgisonline.com/arcgis/sdk/rest/index.html#/Network_Layer/02ss0000009p000000/
 */
class Route {
    private ajax: Ajax;
    
    constructor(url: string) {
        this.ajax = new Ajax(url);
    }
    
    /**
     * http://sampleserver6.arcgisonline.com/arcgis/sdk/rest/index.html#/Solve_Route/02ss0000001t000000/
     */
    solve(data: {
        stops: Array<{x: number; y: number;}>;
        returnDirections?: boolean;
        returnRoutes?: boolean;                        
    }) {
        let req = Object.assign({
            returnDirections: true,
            returnRoutes: true,
            preserveFirstStop: true,
            preserveLastStop: true,
            directionsLanguage: "en",
            outputGeometryPrecisionUnits: "esriDecimalDegrees",
            directionsOutputType: "esriDOTComplete",
            directionsLengthUnits: "esriNAUMiles",
            f: "pjson"
        }, data);
        
        req.stops = <any>data.stops.map(p => `${p.x},${p.y}`).join(';');
        
        return this.ajax.get(req);
    }
}

let usage_example = () => {
    let route = new Route("http://sampleserver6.arcgisonline.com/arcgis/rest/services/NetworkAnalysis/SanDiego/NAServer/Route/solve");
    route.solve({stops: [{x: -117.141724, y: 32.7122},{x: -117.141724, y: 32.72}]}).then((value: {
            error?: {
                code: number; 
                message: string; 
                details: string[];
            } 
        }) => {
            value = JSON.parse(<any>value);
            if (value.error) {
                console.error(value.error.message);
            } else {
               console.log("solve", value);
            }
            return value;
        });
}