npm install runs prepublish

[sudo-suhas]

This only affects people looking to contribute to the project. If I try npm install, the following happens:

λ npm install
npm WARN deprecated node-uuid@1.4.8: Use uuid module instead

> node-sass@4.5.3 install E:\Projects\repos\depcheck\node_modules\node-sass
> node scripts/install.js

Downloading binary from https://github.com/sass/node-sass/releases/download/v4.5.3/win32-x64-57_binding.node
Download complete  ] - :
Binary saved to E:\Projects\repos\depcheck\node_modules\node-sass\vendor\win32-x64-57\binding.node
Caching binary to C:\Users\suhas.karanth\AppData\Roaming\npm-cache\node-sass\4.5.3\win32-x64-57_binding.node

> node-sass@4.5.3 postinstall E:\Projects\repos\depcheck\node_modules\node-sass
> node scripts/build.js

Binary found at E:\Projects\repos\depcheck\node_modules\node-sass\vendor\win32-x64-57\binding.node
Testing binary
Binary is fine
npm WARN prepublish-on-install As of npm@5, `prepublish` scripts are deprecated.
npm WARN prepublish-on-install Use `prepare` for build steps and `prepublishOnly` for upload-only.
npm WARN prepublish-on-install See the deprecation note in `npm help scripts` for more information.

> depcheck@0.0.1 prepublish E:\Projects\repos\depcheck
> npm run compile && npm run component


> depcheck@0.0.1 compile E:\Projects\repos\depcheck
> babel src/ -d dist/

src\check.js -> dist\check.js
src\cli.js -> dist\cli.js
src\constants.js -> dist\constants.js
src\detector\gruntLoadTaskCallExpression.js -> dist\detector\gruntLoadTaskCallExpression.js
src\detector\importDeclaration.js -> dist\detector\importDeclaration.js
src\detector\requireCallExpression.js -> dist\detector\requireCallExpression.js
src\detector\requireResolveCallExpression.js -> dist\detector\requireResolveCallExpression.js
src\index.js -> dist\index.js
src\parser\coffee.js -> dist\parser\coffee.js
src\parser\es6.js -> dist\parser\es6.js
src\parser\es7.js -> dist\parser\es7.js
src\parser\jsx.js -> dist\parser\jsx.js
src\parser\sass.js -> dist\parser\sass.js
src\parser\typescript.js -> dist\parser\typescript.js
src\special\babel.js -> dist\special\babel.js
src\special\bin.js -> dist\special\bin.js
src\special\commitizen.js -> dist\special\commitizen.js
src\special\eslint.js -> dist\special\eslint.js
src\special\feross-standard.js -> dist\special\feross-standard.js
src\special\gulp-load-plugins.js -> dist\special\gulp-load-plugins.js
src\special\mocha.js -> dist\special\mocha.js
src\special\webpack.js -> dist\special\webpack.js
src\utils\get-scripts.js -> dist\utils\get-scripts.js
src\utils\index.js -> dist\utils\index.js

> depcheck@0.0.1 component E:\Projects\repos\depcheck
> babel-node ./build/component.js > ./dist/component.json

yarn install also runs the prepublish script.