v2.57.0

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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)

v3.3.0

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Features

• added support for supports(), layer() and media from @import at-rules (b9a600c)
• allow to pass options to insert function through style.use() (#​535) (f8ef63b)

3.2.1 (2021-07-20)

Bug Fixes

• added the styletagtransform option when it is a module to addBuildDependency (#​528) (270513f)

v5.54.0

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Features

• improve constant folding to allow to skip more branches for && || and ??
• allow all hashing using in webpack to be configured with output.hashFunction
• no longer bailout completely from inner graph analysis when eval is used in a module

Bugfixes

• force bump enhanced-resolve for bugfixes

Performance

• reduce number of allocation when creating snapshots
• add output.hashFunction: "xxhash64" for a super fast wasm based hash function
• improve utf-8 conversion when serializing short strings
• improve hashing performance for dependencies
• add experiments.cacheUnaffected which caches computations for modules that are unchanged and reference only unchanged modules