webpack-version-plugin

Webpack plugin that emits a version.json file during build.

Install

npm i webpack-version-plugin --save-dev

Usage

const VersionJsonPlugin = require("webpack-version-plugin");

module.exports = {
  // ...other webpack config
  plugins: [
    new VersionJsonPlugin({
      filename: "version.json",
      extra: {
        appName: "my-app",
      },
    }),
  ],
};

Output example

{
  "version": "a1b2c3d",
  "hash": "a1b2c3d4e5f6...",
  "shortHash": "a1b2c3d",
  "branch": "main",
  "tag": "v1.2.3",
  "buildTime": "2026-03-17T01:31:35.659Z",
  "compilationHash": "f0f5..."
}

Options

• filename (string): output filename, default version.json
• cwd (string): directory used for git commands, default process.cwd()
• extra (object): extra fields merged into output JSON