v2.79.1

Compare Source

2022-09-22

Bug Fixes

• Avoid massive performance degradation when creating thousands of chunks (#​4643)

Pull Requests

• #​4639: fix: typo docs and contributors link in CONTRIBUTING.md (@​takurinton)
• #​4641: Update type definition of resolveId (@​ivanjonas)
• #​4643: Improve performance of chunk naming collision check (@​lukastaegert)

v2.79.0

Compare Source

2022-08-31

Features

• Add amd.forceJsExtensionForImports to enforce using .js extensions for relative AMD imports (#​4607)

Pull Requests

• #​4607: add option to keep extensions for amd (@​wh1tevs)

v2.78.1

Compare Source

2022-08-19

Bug Fixes

• Avoid inferring "arguments" as name for a default export placeholder variable (#​4613)

Pull Requests

• #​4613: Prevent using arguments for generated variable names (@​lukastaegert)

v2.78.0

Compare Source

2022-08-14

Features

• Support writing plugin hooks as objects with a "handler" property (#​4600)
• Allow changing execution order per plugin hook (#​4600)
• Add flag to execute plugins in async parallel hooks sequentially (#​4600)

Pull Requests

• #​4600: Allow using objects as hooks to change execution order (@​lukastaegert)

v2.77.3

Compare Source

2022-08-11

Bug Fixes

• Correctly resolve preserveModulesRoot in Vite (#​4591)

Pull Requests

• #​4591: resolve currentPath (@​cleverpp)

v2.77.2

Compare Source

2022-07-27

Bug Fixes

• Avoid a rendering failure when mixing outputs with inlined and non-inlined dynamic imports (#​4589)

Pull Requests

• #​4589: Handle generating non-inlined imports after inlined ones (@​lukastaegert)

v2.77.1

Compare Source

2022-07-26

Bug Fixes

• Ensure IIFE output generates a global variable when generating ES5 (#​4588)

Pull Requests

• #​4577: broken link removed (@​Jawad-H)
• #​4580: Update dependencies (@​lukastaegert)
• #​4584: Documentation clarity and syntax improvements (@​berniegp)
• #​4588: Use var for IIFE (@​lukastaegert)

v2.77.0

Compare Source

2022-07-15

Features

• Introduce maxParallelFileOps to limit both read and write operations, default to 20 and replaces maxParallelFileRead (#​4570)

Bug Fixes

• Avoid including variables referenced from return statements that are never reached (#​4573)

Pull Requests

• #​4570: Introduce maxParallelFileOps to limit parallel writes (@​lukastaegert)
• #​4572: Document more ways to read package.json in ESM (@​berniegp)
• #​4573: Do not include unused return expressions (@​lukastaegert)

v2.76.0

Compare Source

2022-07-08

Features

• Allow setting a sourcmapBaseUrl for absolute paths in sourcemaps (#​4527)

Bug Fixes

• Support absolute CLI plugin paths on Windows (#​4533)

Pull Requests

• #​4527: Add sourcemapBaseUrl option (@​nickgarlis)
• #​4533: Add support for absolute plugin paths (@​ygoe)
• #​4538: chore: Included githubactions in the dependabot config (@​naveensrinivasan)
• #​4546: Adapt Node versions on CI to prepare for v3 (@​lukastaegert)
• #​4556: Improve error message for invalid patterns (@​DysphoricUnicorn)
• #​4559: Update dependencies (@​lukastaegert)
• #​4560: Bump peter-evans/create-or-update-comment from 1 to 2 (@​dependabot)
• #​4561: Bump peter-evans/find-comment from 1 to 2 (@​dependabot)
• #​4562: Bump codecov/codecov-action from 1 to 3 (@​dependabot)

v2.75.7

Compare Source

2022-06-20

Bug Fixes

• Mark Array.prototype.group/groupToMap as side effect free. (#​4531)

Pull Requests

• #​4523: chore: remove source map workaround, bump deps (@​dnalborczyk)
• #​4525: Add regression tests for instanceof (@​lukastaegert)
• #​4528: chore: Set permissions for GitHub actions (@​naveensrinivasan)
• #​4531: fix: rename Array.prototype.group/groupToMap (@​dnalborczyk)
• #​4535: chore: bump resolve from 1.22.0 to 1.22.1 (@​pos777)

v2.75.6

Compare Source

2022-06-07

Bug Fixes

• Properly deoptimize "this" when using member expressions with getters/setters in for loops and update expressions (#​4522)

Pull Requests

• #​4522: Refactor side effect handling for property interactions (@​lukastaegert)

v2.75.5

Compare Source

2022-06-01

Bug Fixes

• Avoid crashes when using logical expressions for unused constructor arguments (#​4519)
• Fix missing parameter defaults for calls from try statements and functions returned by functions (#​4520)

Pull Requests

• #​4519: Try to make logical expression deoptimization more robust (@​lukastaegert)
• #​4520: Roll back parameter default tree shaking (@​lukastaegert)

v2.75.4

Compare Source

2022-05-31

Bug Fixes

• Ensure parameter defaults are retained when a function is used as an object property (#​4516)

Pull Requests

• #​4516: Deoptimize parameter defaults when referenced from object/array/class literals (@​lukastaegert)

v2.75.3

Compare Source

2022-05-29

Bug Fixes

• Retain parameter defaults for functions that are defaults themselves (#​4515)
• Track mutations for objects as default values (#​4515)

Pull Requests

• #​4515: Ensure parameter defaults are deoptimized (@​lukastaegert)

v2.75.2

Compare Source

v2.75.1

Compare Source

2022-05-28

Pull Requests

• #​4513: Update link to node polyfill repo (@​lukastaegert)

v2.75.0

Compare Source

2022-05-27

Features

• Re-implement default parameter tree-shaking for top-level functions (#​4510)
• Do not consider calling string methods like .trim() on template literals a side effect (#​4511)

Pull Requests

• #​4510: Tree-shake parameter defaults (replaces #​4498) (@​lukastaegert)
• #​4511: Tree-shake side-effect-free string methods on template literals (@​lukastaegert)

v2.74.1

Compare Source

2022-05-19

Bug Fixes

• Revert #​4498 until some issues are understood and resolved

v2.74.0

Compare Source

2022-05-19

Features

• Remove unneeded default values for function parameters (#​4498)

Bug Fixes

• Use a consistent mechanism to resolve the config file to avoid issues on Windows (#​4501)
• Avoid an inaccurate warning about an event emitter leak for complicated builds (#​4502)
• Ensure that reexporting values from other chunks via dynamic imports does not reference non-imported variables (#​4499)

Pull Requests

• #​4498: Tree shake parameter defaults (@​lukastaegert)
• #​4499: Ensure reexports are available for namespaces (@​lukastaegert)
• #​4501: fix: config path problem on windows (@​pos777)
• #​4502: Avoid maximum listeners exceeded warning (@​lukastaegert)

v2.73.0

Compare Source

2022-05-13

Features

• Do not treat Object.defineProperty/ies as side effect when called on an unused object (#​4493)
• Do not assume that assigning a property can create a getter with side effects (#​4493)
• Do not treat string.prototype.replace(All) as side effect when used with two literals (#​4493)

Bug Fixes

• Detect side effects when manually declaring getters on functions (#​4493)

Pull Requests

• #​4493: Handle getters on functions and improve property deoptimization (@​lukastaegert)
• #​4494: Do not treat string.replace as side effect when used with a literal (@​lukastaegert)
• #​4495: Update docs for --configPlugin using typescript (@​Jimmydalecleveland)

v2.72.1

Compare Source

2022-05-07

Bug Fixes

• Improve tree-shaking of classes with super classes in certain scenarios (#​4489)

Pull Requests

• #​4489: Do not deoptimize entire super class when adding a property (@​lukastaegert)

v2.72.0

Compare Source

2022-05-05

Features

• Add CLI hooks to run external commands at certain points in watch mode (#​4457)

Bug Fixes

• Fix an issue that could accidentally treat relevant assignments as side effect free (#​4486)

Pull Requests

• #​4457: feat: CLI event hook flags (@​Harris-Miller)
• #​4486: Fix reassignment tracking (@​lukastaegert)

v2.71.1

Compare Source

2022-04-30

Bug Fixes

• Allow importing loadConfigFile without extension (#​4483)

Pull Requests

• #​4483: Add exports exception for loadConfigFile (@​lukastaegert)

v2.71.0

Compare Source

2022-04-30

v2.70.2

Compare Source

2022-04-15

Bug Fixes

• Do not enforce undefined return values in TypeScript types (#​4463)

Pull Requests

• #​4463: use void for options hook instead of undefined (@​ycmjason)

v2.70.1

Compare Source

2022-03-14

Bug Fixes

• Handle unfinished hook action errors as regular errors and avoid console logging (#​4434)
• Allow access to "dist" folder in a Node 17 compatible way (#​4436)

Pull Requests

• #​4434: Track unfinished hook actions as regular errors (@​lukastaegert)
• #​4436: Update package.json (@​frank-dspeed)

v2.70.0

Compare Source

2022-03-07

Features

• Make the watchChange and closeWatcher hooks asynchronous and make Rollup wait for these hooks before continuing (#​4427)

Bug Fixes

• Do not abort watch mode for errors in watchChange but display them properly (#​4427)

Pull Requests

• #​4427: Do not abort watch mode on errors in watchChange (@​lukastaegert)

v2.69.2

Compare Source

2022-03-06

Bug Fixes

• Mark Object.entries and Object.fromEntries as pure (#​4429)
• Make sure new properties on Array.prototype and Object.prototype are not evaluated as "undefined" (#​4428)

Pull Requests

• #​4428: Treat unknown prototype props as unknown (@​lukastaegert)
• #​4429: Treat unknown prototype props as unknown (@​869288142)

v2.69.1

Compare Source

2022-03-04

Bug Fixes

• Approximate source position instead of ignoring it when using a low-resolution source map in a transform hook (#​4334)

Pull Requests

• #​4334: fix(sourcemap): fall back to low-resolution line mapping (@​aleclarson and @​lukastaegert)

v2.69.0

Compare Source

2022-03-02

Features

• Introduce new output.generatedCode.symbols to control the usage of Symbols in Rollup-generated code (#​4378)
• soft-deprecate output.namespaceToStringTag in favor of output.generatedCode.symbols (#​4378)

Bug Fixes

• Properly handle ./ and ../ as external dependencies (#​4419)
• Make generated "Module" namespace toStringTag non-enumerable for correct Object.assign/spread behaviour (#​4378)
• Add file name to error when top-level-await is used in disallowed formats (#​4421)

Pull Requests

• #​4378: Make namespace @​@​toStringTag "Module" non-enumerable (@​dnalborczyk and @​lukastaegert)
• #​4413: refactor: some code and type fixes (@​dnalborczyk)
• #​4418: chore: bump deps (@​dnalborczyk)
• #​4419: Properly handle upper directories as external dependencies (@​lukastaegert)
• #​4421: Improve the error prompt and output the error file name (@​caoxiemeihao)
• #​4423: Update 999-big-list-of-options.md (@​leoj3n)

v2.68.0

Compare Source

2022-02-22

Features

• provide information about cached import resolutions in shouldTransformCachedModule (#​4414)
• Add "types" field to Rollup's package exports (#​4416)

Pull Requests

• #​4410: refactor: use map for declarations and name suggestions (@​dnalborczyk)
• #​4411: refactor: use map for namespace reexports by name (@​dnalborczyk)
• #​4412: refactor: use includes where appropriate (@​dnalborczyk)
• #​4414: Add resolved sources to shouldTransformCachedModule (@​lukastaegert)
• #​4416: Add Typescript 4.5 nodenext node12 module resolution support (@​frank-dspeed)

v2.67.3

Compare Source

2022-02-18

Bug Fixes

• Do not swallow other errors when unfinished hook actions are detected (#​4409)
• Add additional information to output when there are unfinished hook actions (#​4409)

Pull Requests

• #​4399: docs: remove const (@​TrickyPi)
• #​4401: Improve test stability by getting independent of module id ordering in more places (@​lukastaegert)
• #​4403: fix: remove unnecessary property descriptor spread (@​dnalborczyk)
• #​4404: refactor: use map for import descriptions + re-export descriptions (@​dnalborczyk)
• #​4405: refactor: module exports to map (@​dnalborczyk)
• #​4406: Fix a typo in 'Direct plugin communication' code example (@​younesmln)
• #​4407: Document how resolveId is cached (@​lukastaegert)
• #​4409: Print ids for unfinished moduleParsed and shouldTransformCachedModule hooks (@​lukastaegert)

v2.67.2

Compare Source

2022-02-10

Bug Fixes

• Ensure consistent order between manual chunks to fix hashing issues (#​4397)

Pull Requests

• #​4390: refactor: add @​types/estree explicitly, fix dynamic type imports (@​dnalborczyk)
• #​4391: chore: remove acorn-walk ambient type definitions (@​dnalborczyk)
• #​4397: Sort manual chunks generated via a function by name (@​lukastaegert)

v2.67.1

Compare Source

2022-02-07

Bug Fixes

• Make chunk file and variable names more deterministic when emitting chunks (#​4386)
• Improve default module resolver performance by using non-blocking IO (#​4386)

Pull Requests

• #​4373: fix: even more types (@​dnalborczyk)
• #​4382: Update contribution tut link desc (@​lemredd)
• #​4383: chore: bump deps (@​dnalborczyk)
• #​4384: chore: move "wait" to utils + re-use (@​dnalborczyk)
• #​4385: refactor: convert watch tests to async functions (@​dnalborczyk)
• #​4386: refactor: use fs.promises in resolve id, Part 4 (@​dnalborczyk and @​lukastaegert)
• #​4389: refactor: use fs.promises in generate license file, rollup config, Part 5 (@​dnalborczyk)

v2.67.0

Compare Source

2022-02-02

Features

• Improve side effect detection when using Array.prototype.groupBy/groupByToMap (#​4360)
• Allow changing moduleSideEffects at any time during the build (#​4379)
• Soft-deprecate ModuleInfo.hasModuleSideEffects in favour of ModuleInfo.moduleSideEffects (#​4379)

Bug Fixes

• Do not include queries and hashes in generated file names when preserving modules (#​4374)

Pull Requests

• #​4319: refactor: use fs, fs-extra, remove sander (@​dnalborczyk)
• #​4360: feat: add Array.prototype.groupBy/groupByToMap (@​dnalborczyk)
• #​4361: fix: more types (@​dnalborczyk)
• #​4369: fix: remove acorn-walk patch (@​dnalborczyk)
• #​4371: refactor: use fs.promises in cli/run (@​dnalborczyk)
• #​4372: refactor: use fs.promises in module loader (@​dnalborczyk)
• #​4374: Ignore queries and hashes in file names when preserving modules (@​lukastaegert)
• #​4375: Fix typo in _config.js (@​eltociear)
• #​4376: refactor: fs.promises, move mkdir to writeoutputfile, Part 3 (@​dnalborczyk)
• #​4379: Deprecate hasModuleSideEffects in favor of moduleSideEffects and ensure it is mutable on ModuleInfo (@​lukastaegert)

v2.66.1

Compare Source

2022-01-25

Bug Fixes

• Only warn for conflicting names in namespace reexports if it actually causes problems (#​4363)
• Only allow explicit exports or reexports as synthetic namespaces and hide them from namespace reexports (#​4364)

Pull Requests

• #​4362: refactor: convert exportsByName object to map (@​dnalborczyk)
• #​4363: Do not warn unnecessarily for namespace conflicts (@​lukastaegert)
• #​4364: Do not expose synthetic namespace export in entries and namespaces (@​lukastaegert)

v2.66.0

Compare Source

2022-01-22

Features

• Note if a module has a default export in ModuleInfo to allow writing better proxy modules (#​4356)
• Add option to wait until all imported ids have been resolved when awaiting this.load (#​4358)

Pull Requests

• #​4356: Add hasDefaultExport to ModuleInfo (@​lukastaegert)
• #​4358: Add "resolveDependencies" option to "this.load" (@​lukastaegert)

v2.65.0

Compare Source

2022-01-21

Features

• Add complete import resolution objects to ModuleInfo for use in this.load (#​4354)

Bug Fixes

• Use correct context in plugin hooks with perf: true (#​4357)

Pull Requests

• #​4351: refactor: re-use source mapping url (@​dnalborczyk)
• #​4352: refactor: replace require-relative with built-in require.resolve (@​dnalborczyk)
• #​4353: chore: bump deps (@​dnalborczyk)
• #​4354: Add importedIdResolutions to moduleInfo (@​lukastaegert)
• #​4355: chore: remove external from config (@​dnalborczyk)
• #​4357: fix: timed plugin context (@​dnalborczyk)

v2.64.0

Compare Source

2022-01-14

Features

• Allow inspecting cached modules and forcing them to be transformed again via shouldTransformCachedModule (#​4320)
• Do not wait for the config file to be parsed in watch mode if it is updated before that (#​4344)

Bug Fixes

• Do not mutate objects returned as meta from the resolveId hook (#​4347)

Pull Requests

• #​4326: refactor: type fixes (@​dnalborczyk)
• #​4339: More watch test stabilization (@​lukastaegert)
• #​4340: refactor: performance timers for node.js and browser (@​dnalborczyk)
• #​4341: Implement shouldTransformCachedModule hook (@​lukastaegert)
• #​4344: Directly restart Rollup when config file change is detected in watch mode (@​lukastaegert)
• #​4347: Create a shallow copy when returning meta from resolveId (@​lukastaegert)

v2.63.0

Compare Source

2022-01-04

Features

• Report a helpful error if rollup exits due to an empty event loop when using this.load (#​4320)
• Allow directly mutating ModuleInfo.meta for modules and never replace this object (#​4328)
• Detect additional side effect free array prototype methods (#​4332)

Bug Fixes

• Do not watch if CLI watch options are specified but --watch is missing (#​4335)

Pull Requests

• #​4320: Detect unfulfilled async hook actions and report error on exit (@​kzc)
• #​4328: Make initial ModuleInfo.meta mutable and maintain object identity (@​lukastaegert)
• #​4318: Stabilize watch tests (@​lukastaegert)
• #​4331: Improve JS docs example (@​lukastaegert)
• #​4332: add support for Array.prototype.findLast,findLastIndex (@​dnalborczyk)
• #​4333: convert utils.transform to async function (@​dnalborczyk)
• #​4335: Do not watch unless --watch is specified explicitly (@​lukastaegert)
• #​4338: Add build delay for plugin event test (@​lukastaegert)