I installed typescript and the packages needed: > npm i babylon > npm i @babel/core > npm i @babel/node file main.ts starts with: import * as babylon from 'babylon' import { NodePath } from '@babel/node' Compiling result: error TS2307: Cannot…
I am running tsc --skipLibCheck with the files below: eslint.config.js: // @ts-check import jslint from "@eslint/js" export default [] tsconfig.json: { "compilerOptions": { "strict": true, "target": "ES5", "useDefineForClassFields": true, "lib": ["ES2022", "DOM", "DOM.Iterable"], "module": "ES2022", "skipLibCheck": true, "allowJs": true, "moduleResolution":…
I'm working in a legacy code base with JS files, not TS. However I'm adding tsc to validate types. one way that TS inferring types for arguments is based on default value. So a function like function doSomething(withProp = 5)…
I have this code: 'use strict'; type Bar = 'a' | 'b'; type FooIntermidiate = { [p in Bar]: string; }; type Foo = Required<FooIntermidiate>; console.log(getFoo()); function getFoo(): Foo { const rv = Object.create(null); //const rv = { }; rv.b…
Opening a Typescript project in VSCode causes error "ts2307 Cannot find module 'react' or its corresponding type declarations". But Webstorm works fine. I created the repo from CRA, the typescript template. Node installed via nvm. I'm using yarn 3.2.3 here…