chore(deps): update dependency rollup to v2

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
rollup (source)	0.68.2 -> 2.72.1

---

Release Notes

rollup/rollup

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)

v2.62.0

Compare Source

2021-12-24

Features

• Mark additional string prototype methods as side-effect-free and correct typings of existing ones (#​4299)
• Mark additional array prototype methods as side-effect-free and correct typings of existing ones (#​4309)
• Expose if a module is included after tree-shaking in its ModuleInfo (#​4305)

Bug Fixes

• Fix how fsevents is included to improve watch mode on MacOS (#​4312)

Pull Requests

• #​4299: Add additional string prototype methods (@​dnalborczyk)
• #​4300: Bump deps, fix expected test result for core-js (@​dnalborczyk)
• #​4302: Replace type assertion with type guard (@​dnalborczyk)
• #​4304: Re-use reserved names set (@​dnalborczyk)
• #​4305: Expose isIncluded in module info (@​william57m)
• #​4306: Fix git line breaks on windows (@​dnalborczyk)
• #​4307: Add macos to pipeline (@​dnalborczyk)
• #​4309: Add additional array prototype methods (@​dnalborczyk)
• #​4311: Add Deno instructions to docs (@​jespertheend)
• #​4312: fsevents integration (@​dnalborczyk)
• #​4313: Remove non-existing static functions from known globals (@​dnalborczyk)

v2.61.1

Compare Source

2021-12-11

Bug Fixes

• Only resolve this.load once the code of the module is available (#​4296)

Pull Requests

• #​4296: Make sure this.load waits for modules that are already loading (@​lukastaegert)
• #​4298: use set for reserved words (@​dnalborczyk)

v2.61.0

Compare Source

2021-12-09

Features

• Support ergonomic brand checks for private fields (#​4293)

Bug Fixes

• Improve handling of directory creation on systems with restrictive open files limit (#​4288)

Pull Requests

• #​4288: modifymkdirpath (@​mgrabowski84)
• #​4293: bump deps (@​dnalborczyk)

v2.60.2

Compare Source

2021-11-30

Bug Fixes

• Produce correct output when dynamic import paths contain quotes (#​4286)

Pull Requests

• #​4286: Escape dynamic import paths (@​danielroe)

v2.60.1

Compare Source

2021-11-22

Bug Fixes

• Make sure virtual files have proper file extensions when preserving modules (#​4270)

Pull Requests

• #​4270: Use entryFileNames when generating filenames for virtual modules (@​BPScott)

v2.60.0

Compare Source

2021-11-11

Features

• Add this.load context function to load, transform and parse modules without adding them to the graph (#​4234)
• Sanitize non-url-safe characters in generated chunk names by default (#​4262)
• Support ESM plugins via command line (#​4265)

Pull Requests

• #​4234: Plugin context function for pre-loading modules (@​lukastaegert)
• #​4262: exclude invalid URL chars (@​danielroe)
• #​4265: support loading ESM plugins from the CLI via --plugin (@​kzc)

v2.59.0

Compare Source

2021-11-01

Features

• Support static class initialization blocks (#​4249)

Bug Fixes

• Fix an issue with the CommonJS plugin when module.exports has inherited properties (#​4256)

Pull Requests

• #​4236: typescript bug class field initialization order (@​dnalborczyk)
• #​4249: Support for class static initialization block (@​dnalborczyk and @​lukastaegert)
• #​4256: Skip inherited properties in synthetic namespaces (@​lukastaegert)

v2.58.3

Compare Source

2021-10-25

Bug Fixes

• Republish 2.58.1 with npm 6 as files were missing

v2.58.2

Compare Source

2021-10-25

Bug Fixes

• Republish 2.58.1 as files were missing

v2.58.1

Compare Source

2021-10-25

Bug Fixes

• Fix an issue with the CommonJS plugin when module.exports is falsy (#​4247)

Pull Requests

• #​4247: Handle falsy synthetic namespaces (@​lukastaegert)

v2.58.0

Compare Source

2021-10-01

Features

• Add a flag to more reliably identify entry points in the resolveId hook (#​4230)

Pull Requests

• #​4230: Add isEntry flag to resolveId and this.resolve (@​lukastaegert)
• #​4233: Remove unused rollup-plugin-typescript ambient module types (@​dnalborczyk)
• #​4235: Update dependencies (@​lukastaegert)

v2.57.0

Compare Source

2021-09-22

Features

• Add generatedCode option to allow Rollup to use es2015 features for smaller output and more efficient helpers (#​4215)
• Improve AMD and SystemJS parsing performance by wrapping relevant functions in parentheses (#​4215)
• Using preferConst will now show a warning with strictDeprecations: true (#​4215)

Bug Fixes

• Improve ES3 syntax compatibility by more consequently quoting reserved words as props in generated code (#​4215)
• Do not use Object.assign in generated code to ensure ES5 compatibility without the need for polyfills (#​4215)
• Support live-bindings in dynamic namespace objects that contain reexported external or synthetic namespaces (#​4215)
• Use correct "this" binding in dynamic import expressions for CommonJS and AMD (#​4215)
• Properly handle shimMissingExports for exports that are only used internally (#​4215)
• Prevent unhandled rejection for failed module parsing (#​4228)

Pull Requests

• #​4212: chore: remove unused ambient types (@​dnalborczyk)
• #​4215: Use ES2015 features in generated code snippets (@​lukastaegert)
• #​4219: chore: bump rollup typescript, remove unused micromatch (@​dnalborczyk)
• #​4220: chore: use forceConsistentCasingInFileNames in ts-config (@​dnalborczyk)
• #​4224: prepare for useDefineForClassFields (@​dnalborczyk)
• #​4228: fix: prevent UnhandledPromiseRejectionWarning when module resolution/parsing fails (@​kherock)

v2.56.3

Compare Source

2021-08-23

Bug Fixes

• Make sure moduleInfo contains complete information about imported ids in the moduleParsed hook (#​4208)

Pull Requests

• #​4208: ModuleInfo.importedIds will return null if resolvedIds[source] is undefined (@​FoxDaxian and @​lukastaegert)

v2.56.2

Compare Source

2021-08-10

Bug Fixes

• Check if after simplification, an object pattern would become an expression statement or arrow function return value (#​4204)

Pull Requests

• #​4204: Do not create invalid code when simplifying object pattern assignments (@​lukastaegert)

v2.56.1

Compare Source

2021-08-08

Bug Fixes

• Fix rendering of SystemJS export declarations initialized with a simplifiable expression (#​4202)

Pull Requests

• #​4202: Fix incorrect rendering of export declarations in SystemJS (@​lukastaegert)

v2.56.0

Compare Source

2021-08-05

Features

• Create more efficient code for SystemJS exports (#​4199)
• Extend maxParallelFileReads option to also throttle plugin load hooks (#​4200)

Bug Fixes

• Return correct value for postfix update expressions of exported variables (#​4194)

Pull Requests

• #​4199: Refine SystemJS export rendering (@​lukastaegert)
• #​4200: Restrict parallel execution of load hook (@​schummar)

v2.55.1

Compare Source

2021-07-29

Bug Fixes

• Improve CLI warning message for unused external imports (#​4194)

Pull Requests

• #​4194: Align batch warning for UNUSED_EXTERNAL_IMPORT to individual warning (@​benmccann)

v2.55.0

Compare Source

2021-07-28

Features

• Support default export live-bindings when generating ESM output (#​4182)

Bug Fixes

• Always write ["default"] as computed property when used as named export (#​4182)
• Do not mask default export TDZ errors (#​4182)

Pull Requests

• #​4182: Use mutable bindings for default exports (@​lukastaegert)

v2.54.0

Compare Source

2021-07-25

Features

• Extend UMD import.meta.url polyfill to support web workers (#​4186)

Bug Fixes

• Resolve an issue where certain uses of classes could lead to an infinite recursion (#​4189)

Pull Requests

• #​4186: Fix UMD import.meta.url inside web workers (@​ceifa)
• #​4188: Fix typo in renderHelpers.ts (@​eltociear)
• #​4189: Move long path recursion prevention to MemberExpression (@​lukastaegert)
• #​4190: Stop recommending node-builtins (@​curran)

v2.53.3

Compare Source

2021-07-21

Bug Fixes

• Solve an issue that could lead to severe memory issues and crashes when there are a lot of hoisted variables (#​4183)

Pull Requests

• #​4183: Avoid memory issues with hoisted variables (@​lukastaegert)

v2.53.2

Compare Source

2021-07-15

Bug Fixes

• Identify additional TDZ situations in functions that are run more than once (#​4177)
• Fix a scoping issue when a variable inside a catch scope matches the scope parameter's name (#​4178)

Pull Requests

• #​4177: Fix additional let/var init bugs (@​kzc)
• #​4178: Correctly create outside variable when shadowed by catch parameter (@​lukastaegert)

v2.53.1

Compare Source

2021-07-11

Bug Fixes

• Do not omit namespace reexports when treeshake is false (#​4175)

Pull Requests

• #​4175: Generate namespace objects when not tree-shaking (@​lukastaegert)

v2.53.0

Compare Source

2021-07-09

Features

• Add maxParallelFileReads option to limit read operations with a default of 20 (#​4170)

Pull Requests

• #​4170: Limit parallel file reads to prevent "EMFILE: too many open files" error (@​schummar)

v2.52.8

Compare Source

2021-07-07

Bug Fixes

• Automatically handle many use var before declaration and TDZ access scenarios correctly without the need for treeshake.correctVarValueBeforeDeclaration (#​4148)

Pull Requests

• #​4148: Fix var/const/let variable use before declaration (@​kzc and @​lukastaegert)

v2.52.7

Compare Source

2021-07-02

Bug Fixes

• Fix an issue where reassignments where not tracked through async function returns (#​4163)

Pull Requests

• #​4163: Deoptimize return values of async functions (@​lukastaegert)

v2.52.6

Compare Source

2021-07-01

Bug Fixes

• Fix an issue where reassignments where not tracked through an await expression (#​4162)

Pull Requests

• #​4162: doptimize awaited expressions (@​lukastaegert)

v2.52.5

Compare Source

2021-07-01

Bug Fixes

• Properly display parser errors not tied to a code location (#​4160)

Pull Requests

• #​4160: fix: max stack call error is caught on locate (@​semoal)

v2.52.4

Compare Source

2021-06-30

Bug Fixes

• Fix an error when external namespaces are reexported across several files (#​4159)

Pull Requests

• #​4159: Properly handle double reexports from external namespaces (@​lukastaegert)

v2.52.3

Compare Source

2021-06-25

Bug Fixes

• Fix an issue where code was wrongly removed when using vars in nested scopes (#​4149)

Pull Requests

• #​4149: Make sure the initializer of hoisted variables is deoptimized (@​lukastaegert)

v2.52.2

Compare Source

2021-06-21

Bug Fixes

• Support falsy plugins in types (#​4144)
• Do not require return value in renderChunkHook type (#​4144)

Pull Requests

• #​4144: Use TypeScript config and improve some types (@​lukastaegert)

v2.52.1

Compare Source

2021-06-17

Bug Fixes

• Fix a memory leak in watch mode (#​4142)

Pull Requests

• #​4142: Make array and object prototype singletons immutable for now (@​lukastaegert)

v2.52.0

Compare Source

2021-06-16

Features

• Add --configPlugin CLI option to apply plugins to the config file for e.g. TypeScript configs (#​3835)
• Add "safest" and "smallest" presets to tree-shaking options for easier configuration (#​4131)
• Add treeshake.correctVarValueBeforeDeclaration option to deoptimize var declarations (#​4139)

Pull Requests

• #​3835: Add typescript config support (@​TheRealSyler)
• #​4131: Add presets to the tree-shaking options (@​lukastaegert)
• #​4139: Add option to deoptimize var declarations for tree-shaking (@​lukastaegert)
• #​4141: Update dependencies (@​lukastaegert)

v2.51.2

Compare Source

2021-06-11

Bug Fixes

• Include modules imported from no-treeshake modules even if they would be empty (#​4138)

Pull Requests

• #​4138: Include all dependencies from modules with no-treeshake (@​lukastaegert)

v2.51.1

Compare Source

2021-06-08

Bug Fixes

• Fix error when using defineConfig (#​4134)

Pull Requests

• #​4134: export rollup.defineConfig at runtime (@​mshrtsr)

v2.51.0

Compare Source

2021-06-06

Features

• Add a helper for IntelliSense support in config files (#​4127)

Bug Fixes

• Improve performance when generating source maps (#​4122)

Pull Requests

• #​4122: User Map to optimize performance (@​izevo)
• #​4127: Export defineConfig defines the auxiliary function of the configuration (@​rxliuli)

v2.50.6

Compare Source

2021-06-03

Bug Fixes

• Do not consider the object spread operator as side effect when propertyReadSideEffects are false (#​4119)
• Detect side effects when returning thenables from async arrow functions (#​4120)

Pull Requests

• #​4119: Respect propertyReadSideEffects in spread elements (@​lukastaegert)
• #​4120: Detect async arrow thenable side effects (@​lukastaegert)

v2.50.5

Compare Source

2021-05-30

Bug Fixes

• Detect side effects when accessing thenables (#​4115)

Pull Requests

• #​4114: use colorette instead of turbocolor (@​ryuever)
• #​4115: Tracks side effects of thenables (@​lukastaegert)

v2.50.4

Compare Source

2021-05-29

Bug Fixes

• Fix a situation where tree-shaking would stop including nodes prematurely (#​4111)
• Track mutations and accessor side effects when using __proto__ in an object literal (#​4112)
• Check for getter effects when spreading an object (#​4113)

Pull Requests

• #​4111: Always request a new tree-shaking pass when deoptimizations of a node are first included (@​lukastaegert)
• #​4112: Actually set the prototype when using a proto property (@​lukastaegert)
• #​4113: Track access side effects when using object spread operator (@​lukastaegert)

v2.50.3

Compare Source

2021-05-28

Bug Fixes

• Wrap parentheses around leading elements in simplified sequence expressions if this would otherwise lead to invalid code (#​4110)
• Do not associate block soped variables in catch clauses with the clause parameter (#​4108)
• Do not associate hoisted variables in catch clauses with outside variables if they match the parameter (#​4108)
• Use correct "this" context for tagged template literal member expressions in simplified sequences (#​4110)

Pull Requests

• #​4108: Correctly handle catch declarations (@​lukastaegert)
• #​4110: Invalid sequence expression simplification (@​lukastaegert)

v2.50.2

Compare Source

2021-05-27

Bug Fixes

• Avoid unnecessary side effects when using methods like .filter and .map (#​4103)
• Avoid crash when a module with moduleSideEffects no-treeshake imports a tree-shaken module (#​4104)

Pull Requests

• #​4103: Do not track side-effect-free array methods as side effects (@​lukastaegert)
• #​4104: Fix crash when using inlineDynamicImports with no-treeshake (@​lukastaegert)

v2.50.1

Compare Source

2021-05-26

Bug Fixes

• Do not associate pure annotations in simplified expressions with wrong elements (#​4095)
• Prevent invalid code when simplified conditionals start with an IIFE function expression (#​4099)

Pull Requests

• #​4095: Correctly associate pure annotations and remove invalid ones (@​lukastaegert)
• #​4099: Wrap leading function expression iifes in conditionals (@​lukastaegert)

v2.50.0

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2021-05-25

Features

• Only include last elements of comma expressions if they are used or have side effects (#​4087)

Bug Fixes

• Prevent a crash that could occur when calling object methods (#​4091)

Pull Requests

• #​4085: Switch to ESLint (@​lukastaegert)
• #​4087: Drop unused last sequence element (@​lukastaegert)
• #​4091: Prevent crash for recursive "this" deoptimization (@​lukastaegert)

v2.49.0

Compare Source

2021-05-23

Features

• Detect side-effect-free static class methods and properties (#​4018)
• Detect side-effect-free array elements (#​4018)
• Do not apply deoptimizations from dead code (#​4018)

Bug Fixes

• Handle side effect detection for getters and setters added in untracked

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