sp-dev-fx-webparts/samples/js-theme-manager/package.json

{
  "name": "js-theme-manager",
  "main": "lib/index.js",
  "version": "2.0.0",
  "private": true,
  "engines": {
    "node": ">=0.10.0"
  },
  "scripts": {
    "build": "gulp bundle",
    "clean": "gulp clean",
    "test": "gulp test"
  },
  "dependencies": {
    "@microsoft/sp-core-library": "1.10.0",
    "@microsoft/sp-lodash-subset": "1.10.0",
    "@microsoft/sp-office-ui-fabric-core": "1.10.0",
    "@microsoft/sp-property-pane": "1.10.0",
    "@microsoft/sp-webpart-base": "1.10.0",
    "@types/es6-promise": "0.0.33",
    "@types/webpack-env": "1.13.1"
  },
  "devDependencies": {
    "@microsoft/rush-stack-compiler-3.3": "0.3.5",
    "@microsoft/sp-build-web": "1.10.0",
    "@microsoft/sp-module-interfaces": "1.10.0",
    "@microsoft/sp-tslint-rules": "1.10.0",
    "@microsoft/sp-webpart-workbench": "1.10.0",
    "@types/chai": "3.4.34",
    "@types/mocha": "2.2.38",
    "ajv": "~5.2.2",
    "gulp": "~3.9.1"
  }
}