I am getting following error in my Node-Express App UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 4) To say the least, I ha…
Tag: node.js
Validate nested objects using class validator and nestjs
I’m trying to validate nested objects using class-validator and NestJS. I’ve already tried following this thread by using the @Type decorator from class-transform and didn’t have any luck. This what I have: DTO: I’m also using built-in nestjs validation pipe, this is my bootstrap: It&#…
How to create a local module in TypeScript
I have created in folder src/modules/my-module/ which has package.json and defined the main file which exports everything we need. I can import from it now import {A} from ‘../../modules/my-module’ I want to change the syntax into import {A} from ‘my-module’ and I have a few reasons fo…
Convert JSOn object into a flat JSON Array
I have a nested JSON object that getting from a mongoDB query that i would like to convert into flat JSON array .I am using nested mondo documents, but i would like to show the data in a more readble way. My JSON has the following structure: I want to show only the important information and not the structure …
How to execute multiple mongoose queries asynchronously and wait until all of them finish executing before sending response?
Thanks in advance, but could someone explain to me how can I execute a different query for each property of my request? I am trying to create a search sidebar menu, when user changes checkbox values I create an object with these properties: I want to push a query into an array of functions and then execute th…
React/NodeJS – Web page doesn’t work when go at localhost:3000
first of all i’d like to say that i’m a new developer of React and NodeJS. I want use this technologies: – React as a client – NodeJS as a server – Webpack for build my files. My project structure is the follow: my-application/ webpack.server.js webpack.client.js server.js client…
internal/modules/cjs/loader.js:582 throw err
I’m getting following Console Error. Error : Cannot find module Here is the full error i’m getting in console. What should I do? Answer I had the same issue when I first tried on node js. I noticed this issue was happening to me because I had some .js files with same names in different directories…
Promises returned data ”
my data which is fetched from youtube is using nodejs is – Now I want to search 5 related videos to each video my api and api to 5 related Videos is given below It is giving the output like How to solve this pending problem or how to wait so it gets full data. Answer It happens because you
Using sinon how do I stub or fake the property of a callback
Using sinon how do I stub/fake a return value for this.lastID in the db.run function. I can fake the callback using this code: But it will fail as this.lastID is undefined. How do I overcome this? Thanks! Answer You can use stub.callsArgOn() to pass in a context value that will used as this in the callback. Y…
Compare Timestamp with date in sequelize query
I have createdAt column which stores value as “2018-11-07 15:03:16.532+00”. I want to write query like select * from table_name where createdAt = input_date, where myinput_date is only date value like 2018-11-07. How do i write this query using Sequelize? Answer try using the sequelize.fn() argume…