Install type definitions automatically when I install an npm package

问题

Is there a way to configure npm in such a way so that whenever I install a package, it will:

1. Check if it has type definitions inside it
2. If it does not, try to install @types/PACKAGE with the --save-dev flag

Ideally, I'd like this to happen automatically (as a plugin or something) without writing a shell script that will limit the API. For example, I might write a shell script such as: (note that this doesn't really answer all the requirements)

#!/bin/bash
npm install --save $1 && npm install --save-dev @types/$1

But this limits me because maybe I want to --save-dev both of the packages or want to use some special flags in the command. Also, it creates a dependency on bash which I'd like to avoid.

Alternatively, if there is a way to make a shellscript that won't be limiting in that way, that would be okay too.

Also, the above example doesn't actually check if the package has type definitions already (in which case I don't want to download any from @types).

回答1:

I ended up writing a CLI utility that does exactly this. Thin layer on top of your package manager of choice.

Check it out at https://github.com/xavdid/typed-install

回答2:

Here are some command line utilities that help with this

TypeSync

Install missing TypeScript typings for dependencies in your package.json

• github - 988 ⭐

• npm - 14k/wk

  # installation
  npm i -g typesync
  # usage
  npx typesync
  

Typed-Install

Easily install new packages and their types, every time.

• github - 87 ⭐

• npm - 1k/wk

  # installation
  npm i -g typed-install
  # usage
  typedi lodash
  

TS-Typie

A small utility for installing TypeScript definition files using npm

• github - 25⭐

• npm - 0.3k/wk

  # installation
  npm i -g ts-typie
  # usage
  npx ts-typie
  

来源：https://stackoverflow.com/questions/48857430/install-type-definitions-automatically-when-i-install-an-npm-package