in lib/data_access/http.service.ts [99:113]
static getParamsQuery(params: UrlParams, separateArrayParams: boolean = false): string {
let paramsArray: Array<string> = [];
for (let param in params) {
let paramValue: any = params[param];
if (separateArrayParams && paramValue instanceof Array)
paramsArray = paramsArray.concat(paramValue.map(value => `${param}=${encodeURIComponent(String(value))}`));
else {
let value: string = encodeURIComponent(String(params[param]));
paramsArray.push(`${param}=${value}`);
}
}
return paramsArray.join("&");
}