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jestjs/jest

v30.5.2

Curated build tool / testing repository (jestjs/jest) tracked via conditional GitHub .atom polling.

COMPATIBLE
What is jestjs/jest?

jest is an open-source library and developer tool in the jestjs/jest ecosystem. It saves developers from writing repetitive low-level boilerplate from scratch by providing a battle-tested, open-source implementation ready for production.

BUILD_TOOLnpm:jestTypeScriptreleases.atom
45,471+68 stars (24h)
#jest
AI Executive Summary & Artifact Size Impact
Quick Summary: What Changed · What To Do · Upgrade Effort

[@jest/transform] Strip TypeScript types with Node when. Drop-in upgrade. Migration: None.

Semver: PATCH·Manifest: package.json
Artifact Size Impactunavailable
Size Unavailable
Telemetry unmeasured for pre-release or source-only registry build
Breaking Changes, Release Highlights & Migration Snippet

Key Release Highlights (v30.5.2)

  • [@jest/transform] Strip TypeScript types with Node when no transformer claims a .ts, .mts or .cts file (#16421)
  • [jest-core, jest-haste-map, jest-transform] Keep require('../package.json') external when bundling, so jest --version and the transform and haste-map cache keys report the...
  • [jest-each] Escape a table row's keys before building the $variable interpolation RegExp, so a column name such as count(*) no longer fails the whole table with `Invalid...
  • [@jest/source-map] Resolve absolute Windows paths in a source map's sources and sourceRoot again, instead of appending them to the transformed file's directory (#16439)
Zero Breaking Changes Detected

Verified safe drop-in upgrade for jest in package.json.

Copy-Paste Upgrade / Migration Snippet
npm install jest@30.5.2

Ecosystem Compatibility Matrix & Verified Graph Warnings

TypeScript 5.xcompatible— Ships standard TypeScript declaration files without type regressions.

Zero-Noise Historical Release Timeline (1)

Format: [Core Change] + [Required Action] + [Migration Effort]
v30.5.2COMPATIBLE⚖️ Size Unavailable

[@jest/transform] Strip TypeScript types with Node when. Drop-in upgrade. Migration: None.

Upgrade & Migration Q&A (jestjs/jest v30.5.2)

Direct Answers for Engineers & AI Agents

Is jestjs/jest v30.5.2 safe to upgrade in production?

jestjs/jest v30.5.2 is classified as COMPATIBLE (PATCH release). [@jest/transform] Strip TypeScript types with Node when. Drop-in upgrade. Migration: None.

What breaking changes or compatibility risks exist in jestjs/jest v30.5.2?

No breaking API changes or peer dependency conflicts are recorded for jestjs/jest v30.5.2 in the RepoSense compatibility graph.

What is the bundle size impact of jest v30.5.2?

Measured bundle size telemetry is currently unavailable for jest v30.5.2; verify build output locally before deploying.

How do I upgrade jest to v30.5.2?

Upgrade jest to v30.5.2 by running "npm install jest@30.5.2" and applying the migration steps: npm install jest@30.5.2