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Example:
class A
cattr_reader(:defr) { 'default_reader_value' }
end
A.defr # => 'default_reader_value'
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Previously, calling `::JSON.{generate,dump}` sometimes causes
unexpected failures such as intridea/multi_json#86.
`::JSON.{generate,dump}` now bypasses the ActiveSupport JSON encoder
completely and yields the same result with or without ActiveSupport.
This means that it will **not** call `as_json` and will ignore any
options that the JSON gem does not natively understand. To invoke
ActiveSupport's JSON encoder instead, use `obj.to_json(options)` or
`ActiveSupport::JSON.encode(obj, options)`.
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See [1] for why this is not a good idea.
As part of this refactor, circular reference protection in as_json has
been removed and the corresponding error class has been deprecated.
As discussed with @jeremy, circular reference error is considered
programmer errors and protecting against it is out of scope for
the encoder.
This is again based on the excellent work by @sergiocampama in #11728.
[1]: https://github.com/intridea/multi_json/pull/138#issuecomment-24468223
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So strings can be humanized without being capitalized:
'employee_salary'.humanize # => "Employee salary"
'employee_salary'.humanize(capitalize: false) # => "employee salary"
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These methods now takes the same options as Hash#as_json, for example:
struct = Struct.new(:foo, :bar).new
struct.foo = "hello"
struct.bar = "world"
json = struct.as_json(only: [:foo]) # => {foo: "hello"}
This is extracted from PR #11728 from @sergiocampama, see also the
discussion in #11460.
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them to JavaScript functions like getTime().
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Rails 4.1 has switched away from MultiJson, and does not currently
support any options on `ActiveSupport::JSON.decode`. Passing in
unsupported options (i.e. any non-empty options hash) will now raise
an ArgumentError.
Rationale:
1. We cannot guarantee the underlying JSON parser won't change in the
future, hence we cannot guarantee a consistent set of options the
method could take
2. The `json` gem, which happens to be the current JSON parser, takes
many dangerous options that is irrelevant to the purpose of AS's
JSON decoding API
3. To reserve the options hash for future use, e.g. overriding default
global options like ActiveSupport.parse_json_times
This change *DOES NOT* introduce any changes in the public API. The
signature of the method is still decode(json_text, options). The
difference is this method previously accepted undocumented options
which does different things when the underlying adapter changes. It
now correctly raises an ArgumentError when it encounters options that
it does not recognize (and currently it does not support any options).
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support :unless_exist for FileCache
Conflicts:
activesupport/CHANGELOG.md
activesupport/test/caching_test.rb
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This reverts commit e5f5a838b96a362534d9bb60d02334439ed9784c, reversing
changes made to d7567f3290a50952494e9213556a1f283a6cf3a0.
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Before, you were required to attach *after* adding the methods to the
class, since the attachment process needed the methods to be present.
With this change, any new method will also be attached to the configured
namespace.
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[ci skip]
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Previously, an autoloaded constant `HTML::SomeClass` would not be marked
as autoloaded by AS::Dependencies. This is because the
`#loadable_constants_for_path` method uses `String#camelize` on the
inferred file path, which in turn means that, unless otherwise directed,
AS::Dependencies watches for loaded constants in the `Html` namespace.
By passing the original qualified constant name to `#load_or_require`,
this inference step is avoided, and the new constant is picked up in the
correct namespace.
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String#gsub(pattern, '')
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That is a better name, thanks @jeremy.
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See the CHANGELONG message in the patch for further details.
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Use a lambda to ensure that the generated string respects the offset of
the time value. Also add DateTime#to_s(:iso8601) and Date#to_s(:iso8601)
for completeness.
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for easy Javascript date parsing
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ActiveSupport::Cache::MemoryStore
Previously, the cache size of `ActiveSupport::Cache::MemoryStore` was calculated
as the sum of the size of its entries, ignoring the size of keys and any data
structure overhead. This could lead to the calculated cache size sometimes being
10-100x smaller than the memory used, e.g., in the case of small values.
The size of a key/entry pair is now calculated via `#cached_size`:
def cached_size(key, entry)
key.to_s.bytesize + entry.size + PER_ENTRY_OVERHEAD
end
The value of `PER_ENTRY_OVERHEAD` is 240 bytes based on an [empirical
estimation](https://gist.github.com/ssimeonov/6047200) for 64-bit MRI on
1.9.3 and 2.0.
Fixes GH#11512 https://github.com/rails/rails/issues/11512
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This fixes situations where nested NoMethodError exceptions are masked
by delegations. This would cause confusion especially where there was a
problem in the Rails booting process because of a delegation in the
routes reloading code.
Fixes #10559
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The standard Ruby behavior for Time.at is to return the same type of
time when passing an instance of Time as a single argument. Since the
an ActiveSupport::TimeWithZone instance may be a different timezone than
the system timezone and DateTime just understands offsets the best we
can do is to return an instance of Time with the correct offset.
Fixes #11350.
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Hash#select! returns nil if the hash didn't change and thus behaves differently
from select, so it's return value can't be used as result for the latter.
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This reverts commit d108672dada7ba97d3b3b56f0c6001cea621061e.
Conflicts:
activesupport/CHANGELOG.md
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core extensions (`core_ext/string/encoding`).
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in favor of `Module#local_constants`
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Remove deprecated `Time` methods
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and `Time#local_time` in favour of `Time#utc` and `Time#local`
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according to http://guides.rubyonrails.org/api_documentation_guidelines.html#english
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If you're using it to compare hashes for the purpose of testing,
please use MiniTest's assert_equal instead.
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Use native Array#uniq and Array#uniq! instead.
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