From pnpm's Cool Feature to npm's Life jacket: The (somewhat accidental) birth of age-install

May 16, 2026 · 6:41 AM UTC ·8 min read · 0 reactions · 0 comments · 31 views

#javascript #npm #security #softwareengineering #supplychain

TL;DR · WeSearch summary

The article describes the accidental creation of a tool called age-install, inspired by a pnpm feature that delays installation of recently published npm packages to mitigate supply chain attacks. The developer built a prototype to bring similar safety to npm, despite challenges like version resolution, scoped packages, and API rate limits. The tool addresses a security gap many assume already exists in npm.

Key facts

▪pnpm introduced a feature to delay updates of recently published dependencies to reduce supply chain attack risks.
▪The age-install tool was created to replicate this safety mechanism for npm users.
▪Challenges in development included handling semver ranges, parsing scoped packages correctly, and managing npm registry rate limits.
▪The tool allows configurable exclusions for trusted packages like Babel, Webpack, and TypeScript types.
▪Many developers assumed such a security feature was already built into npm by default.

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Original publisher	DEV.to (Top)
Canonical URL	https://dev.to/cinfinitedev_engine/from-pnpms-cool-feature-to-npms-life-jacket-the-somewhat-accidental-birth-of-age-install-49pe
Publication time	Sat, 16 May 2026 06:41:44 +0000
Retrieval time	2026-05-16T07:10:17.660Z
Last seen	2026-05-16T07:10:17.660Z
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Summary	WeSearch · cerebras-chat (WeSearch summarizer)
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Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.

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Opening excerpt (first ~120 words) tap to expand

try { if(localStorage) { let currentUser = localStorage.getItem('current_user'); if (currentUser) { currentUser = JSON.parse(currentUser); if (currentUser.id === 3780619) { document.getElementById('article-show-container').classList.add('current-user-is-article-author'); } } } } catch (e) { console.error(e); } CinfiniteDev Posted on May 16 From pnpm's Cool Feature to npm's Life jacket: The (somewhat accidental) birth of age-install #npm #javascript #security #softwareengineering From pnpm's Cool Feature to npm's Life jacket: The (somewhat accidental) birth of age-install Or: How I built a tool nobody asked for, everyone needs, and should've made years ago It started with a blog post (as these things do) I was procrastinating—er, researching—when I stumbled across pnpm's release notes for…

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