valid.js | 📝 A library for data validation | Validation library

I have my HTML Form setup with an external JS File linked to it:

I have a related question here, but I'm posting another question to focus on a specific part of the problem.

Goal: Add script to my Ruby app which can read a local JSON file, parse it to a Ruby hash, and access the properties within it.

System: CentOS 7

File: Locally saved /tmp/valid.json file:

I have some JSON files that conform to TypeScript interfaces that I have defined.

For the most part, when importing such JSON files and assigning them to typed variables, TypeScript is able to infer the type signature automatically (see behaves exactly as I want in the code below). However when the type includes string enums, it no longer works (see DOES NOT behave).

The following is a working Minimal, Reproducible Example:

valid.json

When using the jQuery Ajax function, when specifying error and success handlers, you would expect invalid files and 404 errors to be caught by the designated error handler function, but for some reason my code does not.

Code:

I have a method inside the controller, which does some checks when the check is not true, it will throw an error. How I will catch that error thrown by the API with the specific message?

I`m confused about how to make those types of assertions.

This is my code so far, but I didn't manage to catch the error thrown by the controller. What I'm doing wrong?

I have multiple JSON to load and must check if all of them are well fetched. So I use a Promise.all to wait for all the fetch.

The first valid.json exists, not the second one, so the second fetch ends with a 404. But despite the Promise.reject, Promise.all still logs Success! instead of throwing the last Error.

Is there something I missed about how Promise.all works?

package.json:

I've a simple problem,

Given a string S of '(' and ')' parentheses, we add the minimum number of parentheses ( '(' or ')', and in any positions ) so that the resulting parentheses string is valid.

Formally, a parentheses string is valid if and only if: It is the empty string, or It can be written as AB (A concatenated with B), where A and B are valid strings, or It can be written as (A), where A is a valid string. Given a parentheses string, return the minimum number of parentheses we must add to make the resulting string valid.

This is my solution in JS,

responseText contains extra whitespace characters (new lines, line feeds), how to prevent and remove them?

Please Read above link

My jsp page send " okay" or " not" including whitespace. How to prevent and remove whitespace or newlines

valid.js