HTMLHint - Visual Studio Code Extension

November 26, 2025 · View on GitHub

VS Code extension to support HTMLHint, an HTML linter.

Installation

Install through VS Code extensions. Search for HTMLHint and install the extension.

Alternatively, launch VS Code Quick Open (Ctrl+P), paste the following command, and press enter.

ext install HTMLHint.vscode-htmlhint

Development setup

run npm install inside the htmlhint and htmlhint-server folders
run npm run compile inside the htmlhint and htmlhint-server folders
open VS Code on this folder
Press Ctrl+Shift+B to compile the client and server
Switch to the Debug viewlet
Select Launch Client from the drop down
Run the launch config
open VS Code on htmlhint and htmlhint-server

Developing the server

open VS Code on htmlhint-server
run npm run compile or npm run watch to build the server and copy it into the htmlhint folder
to debug press F5 which attaches a debugger to the server

Developing the extension/client

open VS Code on htmlhint
run F5 to build and debug the extension

Building the Extension

run vsce package in extension root folder to create the VSIX file.

Releasing a new version

update the version in the package.json file
update the CHANGELOG.md file
run npm run package in the extension root folder to create the VSIX file
upload the VSIX file to the Visual Studio Marketplace
upload the VSIX file to the Open VSX Registry