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CHANGELOG.md

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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[Unreleased]

[v0.7.0] - 2021-12-09

Added

  • Support for calling constructors functions with NewInstance on Function
  • Access "this" from function callback
  • value.SameValue(otherValue) function to compare values for sameness
  • Undefined, Null functions to get these constant values for the isolate
  • Support for calling a method on an object.
  • Support for calling IsExecutionTerminating on isolate to check if execution is still terminating.
  • Support for setting and getting internal fields for template object instances
  • Support for CPU profiling
  • Add V8 build for Apple Silicon
  • Add support for throwing an exception directly via the isolate's ThrowException function.
  • Support for compiling a context-dependent UnboundScript which can be run in any context of the isolate it was compiled in.
  • Support for creating a code cache from an UnboundScript which can be used to create an UnboundScript in other isolates to run a pre-compiled script in new contexts.
  • Included compile error location in %+v formatting of JSError
  • Enable i18n support

Changed

  • Removed error return value from NewIsolate which never fails
  • Removed error return value from NewContext which never fails
  • Removed error return value from Context.Isolate() which never fails
  • Removed error return value from NewObjectTemplate and NewFunctionTemplate. Panic if given a nil argument.
  • Function Call accepts receiver as first argument. This subtle breaking change will compile old code but interpret the first argument as the receiver. Use Undefined to prepend an argument to fix old Call use.
  • Removed Windows support until its build issues are addressed.
  • Upgrade to V8 9.6.180.12

Fixed

  • Add some missing error propagation
  • Fix crash from template finalizer releasing V8 data, let it be disposed with the isolate
  • Fix crash by keeping alive the template while its C++ pointer is still being used
  • Fix crash from accessing function template callbacks outside of RunScript, such as in JSONStringify

[v0.6.0] - 2021-05-11

Added

  • Promise resolver and promise result
  • Convert a Value to a Function and invoke it. Thanks to @robfig
  • Windows static binary. Thanks to @cleiner
  • Setting/unsetting of V8 feature flags
  • Register promise callbacks in Go. Thanks to @robfig
  • Get Function from a template for a given context. Thanks to @robfig

Changed

  • Upgrade to V8 9.0.257.18

Fixed

  • Go GC attempting to free C memory (via finalizer) of values after an Isolate is disposed causes a panic

[v0.5.1] - 2021-02-19

Fixed

  • Memory being held by Values after the associated Context is closed

[v0.5.0] - 2021-02-08

Added

  • Support for the BigInt value to the big.Int Go type
  • Create Object Templates with primitive values, including other Object Templates
  • Configure Object Template as the global object of any new Context
  • Function Templates with callbacks to Go
  • Value to Object type, including Get/Set/Has/Delete methods
  • Get Global Object from the Context
  • Convert an Object Template to an instance of an Object

Changed

  • NewContext() API has been improved to handle optional global object, as well as optional Isolate
  • Package error messages are now prefixed with v8go rather than the struct name
  • Deprecated iso.Close() in favor of iso.Dispose() to keep consistancy with the C++ API
  • Upgraded V8 to 8.8.278.14
  • Licence BSD 3-Clause (same as V8 and Go)

[v0.4.0] - 2021-01-14

Added

  • Value methods for checking value kind (is string, number, array etc)
  • C formatting via clang-format to aid future development
  • Support of vendoring with go mod vendor
  • Value methods to convert to primitive data types

Changed

  • Use g++ (default for cgo) for linux builds of the static v8 lib

[v0.3.0] - 2020-12-18

Added

Changed

  • Upgraded V8 to 8.7.220.31

[v0.2.0] - 2020-01-25

Added

  • Manually dispose of the isolate when required
  • Monitor isolate heap statistics. Thanks to @mehrdadrad

Changed

  • Upgrade V8 to 8.0.426.15

[v0.1.0] - 2019-09-22

Changed

  • Upgrade V8 to 7.7.299.9

[v0.0.1] - 2019-09-2020

Added

  • Create V8 Isolate
  • Create Contexts
  • Run JavaScript scripts
  • Get Values back from JavaScript in Go
  • Get detailed JavaScript errors in Go, including stack traces
  • Terminate long running scripts from any Goroutine