@rollup/browser - npm Package Versions

4.43.0

2025-06-11

Features

• Provide new fs option and this.fs API to replace file system (#5944)

Pull Requests

• #5944: feat(options): Add an option for overriding the file system module in the JS API (@EggDice, @lukastaegert)

4.42.0

2025-06-06

Features

• Add option to allow the input to be located in the output in watch mode (#5966)

Pull Requests

• #5966: feat: watch mode add allowInputInsideOutputPath option (@btea, @lukastaegert)

4.41.2

2025-06-06

Bug Fixes

• Detect named export usages in dynamic imports with then and non-arrow function expressions (#5977)
• Do not replace usages of constant variables with their values for readability (#5968)

Pull Requests

• #5968: fix: preserve constant identifiers in unary expressions instead of magic numbers (@OmkarJ13, @lukastaegert)
• #5969: chore(deps): update dependency yargs-parser to v22 (@renovate[bot], @lukastaegert)
• #5970: chore(deps): lock file maintenance minor/patch updates (@renovate[bot])
• #5971: chore(deps): lock file maintenance (@renovate[bot])
• #5976: Update README.md (@ftlno, @lukastaegert)
• #5977: fix: consider function expression in thenable when tree-shaking dynamic imports (@TrickyPi)
• #5981: fix(deps): lock file maintenance minor/patch updates (@renovate[bot])
• #5982: Debug/fix watch pipeline (@lukastaegert)

4.41.1

2025-05-24

Bug Fixes

• If a plugin calls this.resolve with skipSelf: true, subsequent calls when handling this by the same plugin with same parameters will return null to avoid infinite recursions (#5945)

Pull Requests

• #5945: Avoid recursively calling a plugin's resolveId hook with same id and importer (@younggglcy, @lukastaegert)
• #5963: fix(deps): update swc monorepo (major) (@renovate[bot])
• #5964: fix(deps): lock file maintenance minor/patch updates (@renovate[bot])

4.41.0

2025-05-18

Features

• Detect named exports in more dynamic import scenarios (#5954)

Pull Requests

• #5949: ci: use node 24 (@btea, @lukastaegert)
• #5951: chore(deps): update dependency pretty-bytes to v7 (@renovate[bot])
• #5952: fix(deps): update swc monorepo (major) (@renovate[bot], @lukastaegert)
• #5953: chore(deps): lock file maintenance minor/patch updates (@renovate[bot])
• #5954: enhance tree-shaking for dynamic imports (@TrickyPi, @renovate[bot], @lukastaegert)
• #5957: chore(deps): update dependency lint-staged to v16 (@renovate[bot], @lukastaegert)
• #5958: fix(deps): update rust crate swc_compiler_base to v20 (@renovate[bot], @lukastaegert)
• #5959: fix(deps): lock file maintenance minor/patch updates (@renovate[bot], @lukastaegert)
• #5960: Use spawn to run CLI tests (@lukastaegert)

4.40.2

2025-05-06

Bug Fixes

• Create correct IIFE/AMD/UMD bundles when using a mutable default export (#5934)
• Fix execution order when using top-level await for dynamic imports with inlineDynamicImports (#5937)
• Throw when the output is watched in watch mode (#5939)

Pull Requests

• #5934: fix(exports): avoid "exports is not defined" ReferenceError (@dasa)
• #5937: consider TLA imports have higher execution priority (@TrickyPi)
• #5939: fix: watch mode input should not be an output subpath (@btea)
• #5940: chore(deps): update dependency vite to v6.3.4 [security] (@renovate[bot])
• #5941: chore(deps): update dependency eslint-plugin-unicorn to v59 (@renovate[bot])
• #5942: fix(deps): lock file maintenance minor/patch updates (@renovate[bot])
• #5943: fix(deps): lock file maintenance minor/patch updates (@renovate[bot])

4.40.1

2025-04-28

Bug Fixes

• Limit hash size for asset file names to the supported 21 (#5921)
• Do not inline user-defined entry chunks or chunks with explicit file name (#5923)
• Avoid top-level-await cycles when non-entry chunks use top-level await (#5930)
• Expose package.json via exports (#5931)

Pull Requests

• #5921: fix(assetFileNames): reduce max hash size to 21 (@shulaoda)
• #5923: fix: generate the separate chunk for the entry module with explicated chunk filename or name (@TrickyPi)
• #5926: fix(deps): update rust crate swc_compiler_base to v18 (@renovate[bot])
• #5927: fix(deps): lock file maintenance minor/patch updates (@renovate[bot])
• #5928: fix(deps): lock file maintenance minor/patch updates (@renovate[bot])
• #5930: Avoid chunks TLA dynamic import circular when TLA dynamic import used in non-entry modules (@TrickyPi)
• #5931: chore: add new ./package.json entry (@JounQin, @lukastaegert)
• #5936: fix(deps): lock file maintenance minor/patch updates (@renovate[bot])

4.40.0

2025-04-12

Features

• Only show eval warnings on first render and only when the call is not tree-shaken (#5892)
• Tree-shake non-included dynamic import members when the handler just maps to one named export (#5898)

Bug Fixes

• Consider dynamic imports nested within top-level-awaited dynamic import expressions to be awaited as well (#5900)
• Fix namespace rendering when tree-shaking is disabled (#5908)
• When using multiple transform hook filters, all of them need to be satisfied together (#5909)

Pull Requests

• #5892: Warn when eval or namespace calls are rendered, not when they are parsed (@SunsetFi, @lukastaegert)
• #5898: feat: treeshake dynamic import chained member expression (@privatenumber, @lukastaegert)
• #5900: consider the dynamic import within a TLA call expression as a TLA import (@TrickyPi)
• #5904: fix(deps): update swc monorepo (major) (@renovate[bot])
• #5905: chore(deps): lock file maintenance minor/patch updates (@renovate[bot])
• #5908: Fix treeshake: false breaking destructured namespace imports (@Skn0tt)
• #5909: Correct the behavior when multiple transform filter options are specified (@sapphi-red)
• #5915: chore(deps): update dependency @types/picomatch to v4 (@renovate[bot])
• #5916: fix(deps): update rust crate swc_compiler_base to v17 (@renovate[bot])
• #5917: chore(deps): lock file maintenance minor/patch updates (@renovate[bot], @lukastaegert)
• #5918: chore(deps): update dependency vite to v6.2.6 [security] (@renovate[bot], @lukastaegert)

4.39.0

2025-04-02

Features

• Do not create separate facade chunks if a chunk would contain several entry modules that allow export extension if there are no export name conflicts (#5891)

Bug Fixes

• Mark the id property as optional in the filter for the resolveId hook (#5896)

Pull Requests

• #5891: chunk: merge allow-extension modules (@wmertens, @lukastaegert)
• #5893: chore(deps): update dependency vite to v6.2.4 [security] (@renovate[bot])
• #5896: fix: resolveId id filter is optional (@sapphi-red)

4.38.0

2025-03-29

Features

• Support .filter option in resolveId, load and transform hooks (#5882)

Pull Requests

• #5882: Add support for hook filters (@sapphi-red)
• #5894: fix(deps): lock file maintenance minor/patch updates (@renovate[bot])
• #5895: chore(deps): update dependency eslint-plugin-unicorn to v58 (@renovate[bot])