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Changelog

This changelog follows the keep a changelog format to maintain a human readable changelog.

0.4.0 [BREAKING CHANGE] - 2021-02-14

Breaking Changes

See the breaking changes from 0.3.2 release. It was accidentally released as patch version.

Added

  • add option to ignore unset properties
  • group information is exposed in the @Transform handler
  • transformation options are exposed in the @Transform handler

Fixed

  • fixed TypeError when discriminator.subTypes is not defined

Changed

  • various dev-dependencies has been updated

0.3.2 [BREAKING CHANGE] - 2021-01-14

Breaking Changes

Signature change for @Transform decorator From this version the @Transform decorator receives the transformation parameters in a a wrapper object. You need to destructure the values you are interested in.

Old way:

@Transform((value, obj, type) => /* Do some stuff with value here. */)

New way with wrapper object:

@Transform(({ value, key, obj, type }) => /* Do some stuff with value here. */)

Added

  • exposeDefaultValues option has been added, when enabled properties will use their default values when no value is present for the property
  • the name of the currently transformed parameter is exposed in the @Transform decorator

Fixed

  • fixed an issue with transforming Map (#319)
  • fixed an issue with sourcemap generation (#472)

Changed

  • various internal refactors
  • various changes to the project tooling
  • various dev-dependencies has been updated

0.3.1 - 2020-07-29

Added

  • table of content added to readme

Changed

  • moved from Mocha to Jest
  • added Prettier for code formatting
  • added Eslint for linting
  • updated CI configuration
  • removed some unused dev dependencies
  • updated dependencies to latest version

Fixed

  • circular dependency fixed
  • dev dependencies removed from package.json before publishing (no more security warnings)
  • transformer order is deterministic now (#231)
  • fix prototype pollution issue (#367)
  • various fixes in documentation

0.2.3 [BREAKING CHANGE]

Changed

  • enableImplicitConversion has been added and imlplicit value conversion is disabled by default.
  • reverted #234 - fix: write properties with defined default values on prototype which broke the @Exclude decorator.

0.2.2 [BREAKING CHANGE]

NOTE: This version is deprecated.

This version has introduced a breaking-change when this library is used with class-validator. See #257 for details.

Added

  • implicity type conversion between values.

0.2.1

NOTE: This version is deprecated.

Added

  • add option to strip unkown properties via using the excludeExtraneousValues option

0.2.0 [BREAKING CHANGE]

Added

  • add documentation for using Sets and Maps
  • add opotion to pass a discriminator function to convert values into different types based on custom conditions
  • added support for polymorphism based on a named type property

Fixed

  • fix bug when transforming null values as primitives

0.1.10

Fixed

  • improve MetadataStorage perf by changing from Arrays to ES6 Maps by @sheiidan
  • fixed getAncestor issue with unknown nested properties by @247GradLabs

0.1.9

Fixed

  • objects with null prototype are converted properly now
  • objects with unknown non primitive properties are converted properly now
  • corrected a typo in the README.md
  • fixed the deserialize example in the README.md

0.1.4

Added

  • added TransformClassToPlain and TransformClassToClass decorators

0.1.0

Added

  • renamed library from constructor-utils to class-transformer
  • completely renamed most of names
  • renamed all main methods: plainToConstructor now is plainToClass and constructorToPlain is classToPlain, etc.
  • plainToConstructorArray method removed - now plainToClass handles it
  • @Skip() decorator renamed to @Exclude()
  • added @Expose decorator
  • added lot of new options: groups, versioning, custom names, etc.
  • methods and getters that should be exposed must be decorated with @Expose decorator
  • added excludedPrefix to class transform options that allows exclude properties that start with one of the given prefix

0.0.22

Fixed

  • fixed array with primitive types being converted

0.0.18-0.0.21

Fixed

  • fixed bugs when getters are not converted with es6 target

0.0.17

Fixed

  • fixed issue #4
  • added type guessing during transformation from constructor to plain object
  • added sample with generics

0.0.16

Changed

  • renamed constructor-utils/constructor-utils to constructor-utils package namespace

0.0.15

Removed

  • removed code mappings from package

0.0.14

Removed

  • removed import "reflect-metadata" from source code. Now reflect metadata should be included like any other shims.

0.0.13

Changed

  • Library has changed its name from serializer.ts to constructor-utils.
  • Added constructor-utils namespace.