Node.js 'request' module wrapper with optional params - how to write this more concise?

Node.js 'request' module wrapper with optional params - how to write this more concise?

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Node.js 'request' module wrapper with optional params - how to write this more concise?
Tag : javascript , By : Johannes
Date : November 24 2020, 09:00 AM

may help you . I'm writing a wrapper around : , For this many parameters, use an options hash.
var RequestWrapper = function(opts) {
    var uri = urljoin(config.baseUrl, opts.type, (typeof opts.uuid === 'string') ? opts.uuid : "")
    var params = request.initParams(uri, {
      body: opts.body
    }, opts.callback)
/* etc */
var RequestWrapper = function(opts) {
    let {client, method, type, uuid = '', body, callback} = opts; // default for uuid
/* etc */

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What is the right way to write a wrapper module for conditional OO module loading?

Tag : perl , By : DonMac
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , Personally I'd go with the first technique. Creating a class that sometimes inherits from one parent, and sometimes inherits from another, seems a little dirty to me. It'll work certainly, but it will confuse class analysis tools (like Pod::Coverage::CountParents) no end.
That said, I'd probably rename sub new to something like new_by_platform. There's a strong expectation that My_Module->new will return an object of type My_Module. Having it return an object of another class could confuse people. (Though if My_Module::Win32 and My_Module::Linux inherit from My_Module, then naming it new seems less bad.)

How to pass optional params when connecting to node.js

Tag : node.js , By : kema
Date : March 29 2020, 07:55 AM
wish of those help if what you want is passing something from the client to the server, you can't do it inside onConnect function.
what you need here is defining a server side function and call it from the client. also your server implementation is wrong.
var express = require('express')
   , app = express(app)
   , server = require('http').createServer(app);
// serve static files from the current directory

var Eureca = require('eureca.io');
var eurecaServer = new Eureca.Server();

eurecaServer.exports.init = function(param) {
     //do what you want with param

     //if you want to get the client connection id you can use the code bellow
     var connID = this.socket.id;

//detect client connection
eurecaServer.onConnect(function (conn) {    
   console.log('New Client id=%s ', conn.id, conn.remoteAddress);
  <script src="/eureca.js"></script>

    var eurecaClient = new Eureca.Client();

        eurecaClient.ready(function (serverProxy) {
               serverProxy.init('hello'); //<==== here you call the server side init, and you pass 'hello' as parameter


http module (of node.js with browserify) doesn't write request body with method PATCH

Tag : javascript , By : rhinojosa
Date : March 29 2020, 07:55 AM
it helps some times I ended up using the "request" library for node.js. Following code works:
var request = require("request");

function patch(path, entity){
    var deferred = q.defer();     
    var escapedPath = escapeSpaces(path);
    AuthProvider.retrieveToken().done(function (authToken){
        var headers ={
            'OData-MaxVersion': '4.0',
            'OData-Version': '4.0',
            'Content-Type': 'application/json; charset=utf-8',
            'Authorization': 'Bearer '+ authToken,
            'Accept': 'application/json'     

        var options = {
            url: "https://"+resourceApiId+"/api/data/v8.0/"+escapedPath,
            method: 'PATCH',
            headers: {
                'OData-MaxVersion': '4.0',
                "OData-Version": '4.0',
                "Content-Type": "application/json; charset=utf-8",
                "Authorization": 'Bearer '+ authToken,
                "Accept": "application/json"                
            json: entity      

        request(options, function(error, response, body){
                if (!error) {
                    console.log("patchrequest statuscode: "+response.statusCode )

    return deferred.promise;

How to write curl 'PUT' request in node with 'request' module

Tag : node.js , By : user135518
Date : March 29 2020, 07:55 AM
I wish this helpful for you After trying several approaches, while I couldn't reproduce your specific problem, the trouble I had was with the binary attachment loading properly. Because createReadStream() runs asynchronously, it doesn't really seem to work the way the request docs say it should when added to the multipart or formData keys. Not sure why this is?
I got it working first using http://requestb.in - comparing the curl request to the same request constructed with Node. Here is the final, working version:
var request = require('request')
fs = require('fs')

var options = {
    uri: 'https://developer.api.autodesk.com/oss/v2/buckets/<yourBucket>/objects/<yourFile.ext>',
    headers: {
        'Content-Type': 'application/octet-stream',
        'Authorization': 'Bearer <token>'

fs.createReadStream(__dirname + '/<fileName.ext>').pipe(request.put(options, function(err, response, body) {
          "bucketKey" : "< yourBucket>",
          "objectId" : "urn:adsk.objects:os.object:brandontestbucket2/skyscpr1.3ds",
          "objectKey" : "<fileName.ext>",
          "sha1" : "...redacted...",
          "size" : 43791,
          "contentType" : "application/octet-stream",
          "location" : "https://developer.api.autodesk.com/oss/v2/buckets/< yourBucket>/objects/<fileName.ext>"

Is there a way to validate fields in a Request Object that am using as a wrapper, such that one of them is optional

Tag : spring , By : Sanoran
Date : March 29 2020, 07:55 AM
wish of those help This can be achieved using javax.validation.Constraint. Annotate your controller using @Validate annotation, and you can create your constraints as below:
import com.example.model.Employee;
import com.example.model.InputForm;
import com.example.service.MyService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.validation.Valid;
import java.util.List;

public class MyController {

    private MyService myService;

    @RequestMapping(value="/update", method= RequestMethod.POST, produces = "application/json; charset=utf-8")
    public ResponseEntity<List<Employee>> update(
            HttpServletRequest request,
            @CheckAtLeastOnePresentConstraint @RequestBody @Valid InputForm form,
            HttpServletResponse response
    )  {
        return new ResponseEntity<List<Employee>>(myService.getEmployees(form), HttpStatus.OK);
import java.lang.annotation.*;

import javax.validation.Constraint;
import javax.validation.Payload;

@Constraint(validatedBy = CheckOneValuePresent.class)
@Target( { ElementType.PARAMETER })
public @interface CheckAtLeastOnePresentConstraint {
    String message() default "At least one of the values removeEmpList or addEmpList must be present";
    Class<?>[] groups() default {};
    Class<? extends Payload>[] payload() default {};
import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import javax.validation.constraintvalidation.SupportedValidationTarget;
import javax.validation.constraintvalidation.ValidationTarget;

public class CheckOneValuePresent implements ConstraintValidator<CheckAtLeastOnePresentConstraint, InputForm> {

    public boolean isValid(InputForm inputForm,
        ConstraintValidatorContext cxt) {
        return inputForm.getAddEmpList() != null || inputForm.getRemoveEmpList() != null;
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