If you ask which is my favorite IDE, it is Visual Studio Code a.k.a vscode. One major strength of vscode is its extensions. And these are the extensions which I find very useful in vscode,
Import Cost display import/require package size in the editor
TSLint support for Visual Studio Code
Angular v7 Snippets by John Papa
ES7 React/Redux/GraphQL/React-Native snippets contains simple extensions for React, Redux and Graphql in JS/TS with ES7 syntax
Icon Fonts contains snippets for popular icon fonts such as Font Awesome, Ionicons, Glyphicons, Octicons, Material Design Icons and many more!
Highlight Matching Tag highlights matching closing or opening tag
indent-rainbow makes indentation easier to read. This extension colorizes the indentation in front of your text alternating four different colors on each step.
Live Server launch a development local Server with live reload feature for static & dynamic pages
Markdown All in One is All you need to write Markdown (keyboard shortcuts, table of contents, auto preview and more)
markdownlint provides Markdown linting and style checking for Visual Studio Code.
Markdown Shortcuts provide Shortcuts for Markdown editing.
npm Intellisense is a visual Studio Code plugin that autocompletes npm modules in import statements
Polacode 📸 makes sharing code as a picture easier.
Peacock subtly change the workspace color of your workspace. Ideal when you have multiple VS Code instances and you want to quickly identify which is which.
Turbo Console Log enables automating the process of writing meaningful log messages.
Material Icon Theme provides material design icons for Visual Studio Code
Material Theme is one of the most epic theme now for Visual Studio Code
Bracket Pair Colorizer 2 is a customizable extension for colorizing matching brackets
Better Comments improves your code commenting by annotating with alert, informational, TODOs, and more!
Bookmarks enables you to mark lines and jump to them
Code Spell Checker is a spelling checker for source code
Git History enables you to view git log, file history, compare branches or commits
GitLens — Git supercharged supercharge the Git capabilities built into Visual Studio Code — Visualize code authorship at a glance via Git blame annotations and code lens, seamlessly navigate and explore Git repositories, gain valuable insights via powerful comparison commands, and so much more
Path Intellisense is a Visual Studio Code plugin that autocompletes filenames.
Prettier - Code formatter is the VS Code plugin for prettier/prettier