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This was added in https://github.com/hashie/hashie/pull/34/commits/d20eed6540b7cc264583244088344f73436292b7 but was never documented.
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Using YAML lists over pseudo-JSON lists makes for easier diffs. Breaking
blocks apart with an empty line helps readability. Avoiding strings
delimeters when you don't need them helps with readability. The name of
the workflow should describe its purpose. Multithreading bundle installs
leads to faster builds. And we need to update the badge to our new CI
location.
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We don't really care about the metrics it gives and we can't access
configuration for it anymore for some reason, so let's end it.
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The normal behavior of Dash with respect to property defaults differed
from the behavior of a Dash/Trash with IgnoreUndeclared mixed in. This
is because some situations called the defaults and some did not.
This change normalizes the behavior so that all situations where the
defaults should be used to override unset values behave consistently,
as well as all situations where the default should not override a `nil`
value.
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Following the conventions in `activesupport` and the semantics of the
`#to_hash` method in Ruby's standard library, the `#to_hash` method for
a hash that has mixed in `IndifferentAccess` will now export the hash as
a normal, not-indifferent hash.
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Extends a Dash with the ability to
accept only predefined values on a property.
#61
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formatted CHANGELOG.
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This PR suppresss the following integer unification warning
for Ruby 2.4.0+
```console
% ruby -v
ruby 2.4.9p362 (2019-10-02 revision 67824) [x86_64-darwin17]
% bundle exec rspec spec/hashie/extensions/deep_merge_spec.rb
Hashie::Extensions::DeepMerge
/Users/koic/src/github.com/hahie/hashie/lib/hashie/utils.rb:38: warning:
constant ::Fixnum is deprecated
/Users/koic/src/github.com/hahie/hashie/lib/hashie/utils.rb:38: warning:
constant ::Bignum is deprecated
```
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By default, Mashes don't state that they respond to unset keys. This
causes unexpected behavior when you try to use a Mash with a
SimpleDelegator.
This new extension allows you create a permissive subclass of Mash that
will be fully compatible with SimpleDelegator and allow you to fully do
thunk-oriented programming with Mashes.
This comes with the trade-off of a ~19KB cache for each of these
subclasses and a ~20% performance penalty on any of those subclasses.
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[ci skip]
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SymbolizeKeys and Keywords argument behavior.
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In some cases, you want to be able to ignore Mash warnings for keys
that you know you aren't going to access via a method accessor, yet be
warned for other keys that you know you might want to access. This
change adds the ability to selectively ignore warnings for specific keys
instead of globally ignoring the warnings.
The change retains the original behavior as well, so if you call
`Mash.disable_warnings` without a value it will still globally ignore
the warnings.
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`Mash.load` uses the Ruby standard library to load Yaml-serialized files
into a Mash. The original implementation used `YAML.load` for this
purpose. However, that method is inherently unsafe so we switched to
using `YAML.safe_load`.
Safely loading Yaml files has many different domain-specific
configuration flags that we did not, by default, expose. This change
introduces the ability to configure the safe loading of Yaml files so
that all types of Yaml can be loaded when necessary using the flags from
the standard library.
This implementation preserves the backwards-compatibility with the prior
implementation so that it should not require updates from users of the
current `Mash.load` behavior. For those who this change affects, we
included upgrading documentation to ease the transition.
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This patch adds an extension for Mash that makes it behave like
`OpenStruct`. It reduces overhead of `method_missing?` magic which is a
good thing! It's inspired by the recent @sferik's work on `OpenStruct` —
https://github.com/ruby/ruby/pull/1033.
When using it in `Mash` subclasses it makes them *remember* methods so
then it's more like `ActiveModel` than `OpenStruct` in this case.
To use it like `OpenStruct` one could use this shortcut:
```ruby
{ foo: 1, bar: 2 }.to_mash.with_accessors!
```
Implementation details:
It injects to class an anonymous module that stores accessor method
definitions. This is inspired by `ActiveModel` / `ActiveRecord`. It
allows to override accessors in subclass and call them via `super` if
this is intended.
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Let this be a lesson, folks: don't subclass the Hash class!
For more information, see the following:
https://github.com/intridea/hashie/issues/353#issuecomment-363294886
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The behavior of Mash subclasses around the wrapping of inner sub-Hashes can be
confusing, so we should have some documentation around it. This captures the
process of subclasses wrapping their sub-Hashes in a guided fashion.
Also, this reorganizes a bit of the Mash readme to group related topics together
under headlines.
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One of the behaviors of Mash that we see regularly surprise users is
that Mash stringifies any keys passed into it. This leads to unexpected
lack of synergy between Mash and its cousins (particularly Dash), since
the property DSLs do not handle indifferent key access.
This extension ensures that the original keys are kept inside the Mash's
data structure, at the expense of more costly logic for fetching
information indifferently. I have included a benchmark that compares the
two. The benchmark shows that when you are passing string keys into a
Mash, using this extension will actually be _faster_ than the default
implementation, but that the reverse is true when passing symbol keys.
In #296, I tried to do this universally for all Mashes, which slowed
down the fetching behavior for Mash significantly. I like this attempt
much better because it allows users to opt into the new behavior if they
want it, while still keeping the default implementation as-is.
Fixes #196 by giving the option of keeping the original structure of the
Mash when using it with Dash.
Fixes #246 by giving the option of opting into keeping the original
keys.
Closes #296 by giving a more flexible path forward that doesn't change
the semantics of the main Mash class.
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We often have requests to make Mash symbolize keys by default. Since
Hashie is used across so many different version of Ruby, we have been
hesitant to make this behavior the default. However, there are valid use
cases for wanting symbol keys.
To satisfy both the needs of those on older Rubies and the needs of
those who want symbol keys, this extension gives the end-user the
ability to toggle on symbolized keys in their Mash subclasses. By adding
this ability, we can wait to implement the symbol keys as a default for
a while longer.
See #341, #342 for more information. This is a half-measure toward the
implementation of #342 (which makes Mash symbolize keys by default).
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