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@renovate renovate bot commented Dec 27, 2025

This PR contains the following updates:

Package Change Age Confidence
@rslib/core (source) 0.18.5 -> 0.19.0 age confidence

Release Notes

web-infra-dev/rslib (@​rslib/core)

v0.19.0

Highlights 💡
New JavaScript API

This release introduces a new, comprehensive JavaScript API for Rslib.

[!CAUTION]
This is a Breaking Change. The previously exposed informal API has been removed. You can switch to the new JavaScript API and refer to the docs below to re-integrate.

See the API docs for details:

Usage
  1. Install Rslib: install the @rslib/core package:
npm add @​rslib/core -D
  1. Create an Rslib instance: call the createRslib method to create an Rslib instance:
import { createRslib } from '@​rslib/core';

const rslib = await createRslib();
  1. Call Rslib instance methods: use the rslib.build method which will build production outputs:
await rslib.build();
Advanced ESM Output

In previous versions, Rslib integrated Rspack's EsmLibraryPlugin through an experimental configuration of experiments.advancedEsm, aiming to optimize the quality of ESM outputs. Now, we are pleased to announce that this plugin has been stabilized.

In this release, the EsmLibraryPlugin is enabled by default by setting experiments.advancedEsm to true in bundle mode. Developers can directly obtain ESM output that is high-quality, more friendly to static analysis, and supports code splitting without any additional configuration.

Better Rstest Integration

Rslib now supports seamless integration with Rstest.

By using the official @​rstest/adapter-rslib, you can directly reuse your Rslib build configurations (such as resolve.alias and source.define) within Rstest. This enables zero-config testing for Rslib projects, ensuring your test environment perfectly mirrors your build environment while eliminating the overhead of maintaining duplicate configurations.

// rstest.config.ts
import { defineConfig } from '@​rstest/core';
import { withRslibConfig } from '@​rstest/adapter-rslib';

export default defineConfig({
  extends: withRslibConfig({}),
  // Additional Rstest-specific configurations
  // ...
});

More details: https://rstest.rs/guide/integration/rslib

What's Changed
New Features 🎉
Other Changes

Full Changelog: web-infra-dev/rslib@v0.18.6...v0.19.0

v0.18.6

Compare Source

What's Changed

New Features 🎉
Bug Fixes 🐞
Other Changes

Full Changelog: web-infra-dev/rslib@v0.18.5...v0.18.6


Configuration

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changeset-bot bot commented Dec 27, 2025

⚠️ No Changeset found

Latest commit: 23df69a

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

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netlify bot commented Dec 27, 2025

Deploy Preview for modernjs-v3 failed. Why did it fail? →

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🔨 Latest commit 23df69a
🔍 Latest deploy log https://app.netlify.com/projects/modernjs-v3/deploys/69523439e373a50008481ca2

@renovate renovate bot force-pushed the renovate/main-rslib-core-0.x branch from 62c0e43 to 23df69a Compare December 29, 2025 07:56
@renovate renovate bot changed the title chore(deps): update dependency @rslib/core to v0.18.6 (main) chore(deps): update dependency @rslib/core to v0.19.0 (main) Dec 29, 2025
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