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fast-copy CHANGELOG

3.0.2

  • #95 - Add support for objects that have a prototype with no constructor

3.0.1

  • #78 - Work when running Node process with --disable-proto=throw (thanks @castarco)

3.0.0

Breaking changes

  • Exports are now always named, so the .default suffix is required when accessing
    • CommonJS in Node => const copy = require('fast-copy').default;
    • UMD global via CDN => const copy = globalThis['fast-copy'].default;
  • copy.strict is no longer available; it is now available as the explicit copyStrict named import
  • Options have been removed
    • isStrict option has been replaced with importing the separate copyStrict method
    • realm has been removed entirely, as instanceof is no longer used internally
  • The FastCopy namespace in typings has been removed in favor of explicit import of available types

Enhancements

  • Support exports option, to have bettern handling for different environments (ESM vs CJS vs UMD) and improve tree-shaking when supported
  • Can now create a custom copier (either standard or strict), allowing maximum performance for specific use-cases
  • Small speed improvements when handling certain object types

Bug fixes

  • Correctly handle primitive wrappers, e.g. new String('foo')

2.1.7

  • Republish of 2.1.6, as the release process failed mid-publish

2.1.6

  • Revert #69 and #71, as they broke the package for NodeJS consumption (will be reintroduced in v3, as breaking changes are required)

2.1.5 - DO NOT USE

  • Ensure "type": "module" is set to allow ESM in NodeJS to work #71

2.1.4 - DO NOT USE

  • Provide "exports" definition in package.json #69 (thanks @liteoood)

2.1.3

  • Fix source maps not referencing source code #65

2.1.2

  • Support constructor property override on object #60
  • Provide better support for constructor override on non-plain object types #61
  • Remove tslint in favor of @typescript-eslint #62

2.1.1

  • Fix ESM-to-CommonJS issue when using TSC to consume #37
  • Modify Blob cloning to use blob.slice() instead of new Blob() for speed

2.1.0

  • Support cloning Blob #31 (thanks @fratzigner)
  • Fix cloning descriptors that only are getters / setters in strict mode
  • Handle errors when defining properties in strict mode

2.0.5

  • Fix issue copying objects referenced multiple times in source #28 (thanks @darkowic)

2.0.4

  • Cache length of arrays for faster iteration #22
  • Update dev dependencies and types

2.0.3

  • Add safety to constructing native objects (fixes #19)

2.0.2

  • Manually coalesce options instead of use destructuring (performance)

2.0.1

  • Fix typings declarations - #17

2.0.0

  • Rewrite in TypeScript
  • Add strict mode (for more accurate and thorough copying, at the expense of less performance)

BREAKING CHANGES

  • Second parameter is now an object of options

1.2.4

  • Ensure Date copy uses realm-specific constructor

1.2.3

  • Support custom prototype applied to plain object via Object.create()

1.2.2

  • Support copy of extensions of native Array with alternative push() method

1.2.1

  • Under-the-hood optimizations per recommendations from #7

1.2.0

  • Add support for multiple realms

1.1.2

  • Optimize order of operations for common use cases

1.1.1

  • Fix cache using WeakSet when there was support for WeakMaps instead of WeakSets (in case one was polyfilled but not the other)

1.1.0

  • Add TypeScript and FlowType bindings

1.0.1

  • Activate tree-shaking

1.0.0

  • Initial release