npm in a scratchpad: install without leaving JSLab

2026-11-01来源 dev.toEnglish

We make JSLab, a JavaScript and TypeScript scratchpad for Mac, so this is show-and-tell, not a review.

The video shows JSLab's package sheet.

Press ⌘I, search the registry as you type and click Add, or type name@version and press Return. Packages install into one project that every tab shares, so a package you add in one tab is available in the others straight away, without restarting.

Import something you don't have yet and JSLab offers to install it:

// dayjs isn't installed yet: click Install on the error row, or the lightbulb on line 2. import dayjs from "dayjs"; dayjs().format("dddd, MMMM D"); 

Once the install finishes, the tab runs again by itself, and the editor picks up the package's types.

Docs: npm packages

JSLab launches Nov 15 for Apple Silicon Macs (macOS 14 or later), with a 14-day free trial: https://js-lab.app

原文:https://www.a8q9.cn/en/article/npm-in-a-scratchpad-install-without-leaving-jslab-b240bd.html

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