| Commit message (Collapse) | Author | Age | Files | Lines |
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It's already represented in the key name. Demonstrate with a test.
Also test that the default isn't output.
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Rails 4.x and earlier didn't support `Mime::Type[:FOO]`, so libraries
that support multiple Rails versions would've had to feature-detect
whether to use `Mime::Type[:FOO]` or `Mime::FOO`.
`Mime[:foo]` has been around for ages to look up registered MIME types
by symbol / extension, though, so libraries and plugins can safely
switch to that without breaking backward- or forward-compatibility.
Note: `Mime::ALL` isn't a real MIME type and isn't registered for lookup
by type or extension, so it's not available as `Mime[:all]`. We use it
internally as a wildcard for `respond_to` negotiation. If you use this
internal constant, continue to reference it with `Mime::ALL`.
Ref. efc6dd550ee49e7e443f9d72785caa0f240def53
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Fix - Prevent adding of `data-disable-with` option twice in html.
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Earlier
when `data-disable-with` option is added direclty as in options then
```ruby
submit_tag("Save", { "data-disable-with" => "Processing..." })
# => <input type="submit" name="commit" value="Save" data-disable-with="Processing..." data-disable-with="Processing..." />
```
Now
when `data-disable-with` option is added direclty as in options then
```ruby
submit_tag("Save", { "data-disable-with" => "Processing..." })
# => <input type="submit" name="commit" value="Save" data-disable-with="Processing..." />
```
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[ci skip] Fix which method `FormHelper#date_field` try to call
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When this method was implemented
(https://github.com/rails/rails/pull/5016/files), `to_date` is called.
But this behavior was chagned refactoring
(https://github.com/rails/rails/pull/6452/files).
In the first commit, there were not test which asserts `to_date` is called.
I think trying `to_date` is more useful than trying `strftime`, because
we can write `"2015-01-01".to_date`. But first fix comments to match
actual behavior.
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Handle nested fields_for by adding indexes to record_name
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In case of the form with nested fields_for, i. e.
<%= form_for :foos, url: root_path do |f| %>
<% @foos.each do |foo| %>
<%= f.fields_for 'foo[]', foo do |f2| %>
<%= f2.text_field :id %>
<% foo.bars.each do |bar| %>
<%= f2.fields_for 'bar[]', bar do |b| %>
<%= b.text_field :id %>
<% end %>
<% end %>
<% end %>
<% end %>
<%= f.submit %>
<% end %>
rails doesn't add index for 'foo' in the inner fields_for block, so field names
in the outer fields_for looks like "foos[foo][#{foo_index}][id]" and in the
inner "foos[foo[]][bar][#{bar_index}][id]". Submitting of such form leads to an
error like:
>ActionController::BadRequest (Invalid request parameters: expected Array
>(got Rack::QueryParser::Params) for param `foo'):
This commit adds indexes for the foos in the inner blocks, so field names
become "foos[foo][#{foo_index}][bar][#{bar_index}][id]" and submitting of such
form works fine as expected.
Fixes #15332
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This will avoid a error be raised when the only input on the form is the
`collection_radio_buttons`.
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Correcting output of `file_field` with `multiple` attribute option [ci skip]
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Here is correct output of `number_to_percentage(100, format: "%n %”)`
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kirs/feature/translation-helper-include-interpolation
Include interpolation values to translation_missing helper
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`hfvalue` parts should always be percent encoded, so lets do that!
Revert "use path escaping for email addresses"
This reverts commit 21ffef38a5dc5a6a21f7e841aecab5b51f4fd185.
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Due to e25fdad2f147e6f368958f9a06a5ac9d10288408, we are correctly using
path escaping for email addresses. This commit fixes the tests to
expect path escaping.
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make disable_with default in submit_tag
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Prevents double submission by making disable_with the default.
Default disable_with option will only be applied if user has not
specified her/his own disable_with option, whether that is in the
`data-disable-with` string form or the
`:data => { :disable_with => "Saving..." }` hash form. disable_with
will default to the value attribute.
A configuration option was added to opt out of this functionality if
the user so desires.
`config.action_view.automatically_disable_submit_tag = false`
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skip]
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today the only option we have is "\n" and is hardcoded.
With this change you will be able to specify any break sequence ("\r\n" for example) as an option.
adding proper documentation for break_sequence in ActionView::Helpers::TextHelper.word_wrap
adding some more documentation for word_wrap custom break sequence and making sure we use new hash syntax
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Browsers have not been limited to two connections per host for quite
some time now. With more connections allowed, the trade-off involved in
asset host distribution isn't so clear and it becomes more important
that developers measure actual performance before and after.
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In the `tag_options` method, strings are continuously added to the
`output` string. Previously, we concatenated two strings and added the
generated string to `output`. By adding each of the strings to
`output`, one after the other, we will save the allocation of that
concatenated string.
Benchmark:
require 'benchmark/ips'
sep = " ".freeze
Benchmark.ips do |x|
x.report("string +") {
output = ""
output << sep + "foo"
}
x.report("string <<") {
output = ""
output << sep
output << "foo"
}
x.compare!
end
Results (Ruby 2.2.2):
Calculating -------------------------------------
string + 88.086k i/100ms
string << 94.287k i/100ms
-------------------------------------------------
string + 2.407M (± 5.8%) i/s - 12.068M
string << 2.591M (± 7.0%) i/s - 12.917M
Comparison:
string <<: 2591482.4 i/s
string +: 2406883.7 i/s - 1.08x slower
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In the `tag_options` method an array is used to build up elements, then `Array#*` (which is an alias for `Array#join` is called to turn the array into a string. Instead of allocating an array to build a string, we can build the string we want from the beginning.
Saved: 121,743 bytes 893 objects
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content_tag's first argument is will generate a string with an html tag so `:a` will generate: `<a></a>`. When this happens, the symbol is implicitly `to_s`-d so a new string is allocated. We can get around that by using a frozen string instead which
This change buys us 74,236 bytes of memory and 1,855 fewer objects per request.
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No idea why on earth this hash key isn't already optimized by MRI, but it isn't. :shit:
This change buys us 74,077 bytes of memory and 1,852 fewer objects per request.
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When an unknonwn key is passed to the hash in `PRE_CONTENT_STRINGS` it returns nil, when you call "#{nil}" it allocates a new empty string. We can get around this allocation by using a default value `Hash.new { "".freeze }`. We can avoid the `to_sym` call by pre-populating the hash with a symbol key in addition to a string key.
We can freeze some strings when using Array#* to reduce allocations.
Array#join can take frozen strings.
This change buys us 86,600 bytes of memory and 1,857 fewer objects per request.
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Add wildcard template dependencies.
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grammar fix to content_for method documentation in capture_helper.rb [ci skip]
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I wrote a utility that helps find areas where you could optimize your program using a frozen string instead of a string literal, it's called [let_it_go](https://github.com/schneems/let_it_go). After going through the output and adding `.freeze` I was able to eliminate the creation of 1,114 string objects on EVERY request to [codetriage](codetriage.com). How does this impact execution?
To look at memory:
```ruby
require 'get_process_mem'
mem = GetProcessMem.new
GC.start
GC.disable
1_114.times { " " }
before = mem.mb
after = mem.mb
GC.enable
puts "Diff: #{after - before} mb"
```
Creating 1,114 string objects results in `Diff: 0.03125 mb` of RAM allocated on every request. Or 1mb every 32 requests.
To look at raw speed:
```ruby
require 'benchmark/ips'
number_of_objects_reduced = 1_114
Benchmark.ips do |x|
x.report("freeze") { number_of_objects_reduced.times { " ".freeze } }
x.report("no-freeze") { number_of_objects_reduced.times { " " } }
end
```
We get the results
```
Calculating -------------------------------------
freeze 1.428k i/100ms
no-freeze 609.000 i/100ms
-------------------------------------------------
freeze 14.363k (± 8.5%) i/s - 71.400k
no-freeze 6.084k (± 8.1%) i/s - 30.450k
```
Now we can do some maths:
```ruby
ips = 6_226k # iterations / 1 second
call_time_before = 1.0 / ips # seconds per iteration
ips = 15_254 # iterations / 1 second
call_time_after = 1.0 / ips # seconds per iteration
diff = call_time_before - call_time_after
number_of_objects_reduced * diff * 100
# => 0.4530373333993266 miliseconds saved per request
```
So we're shaving off 1 second of execution time for every 220 requests.
Is this going to be an insane speed boost to any Rails app: nope. Should we merge it: yep.
p.s. If you know of a method call that doesn't modify a string input such as [String#gsub](https://github.com/schneems/let_it_go/blob/b0e2da69f0cca87ab581022baa43291cdf48638c/lib/let_it_go/core_ext/string.rb#L37) please [give me a pull request to the appropriate file](https://github.com/schneems/let_it_go/blob/b0e2da69f0cca87ab581022baa43291cdf48638c/lib/let_it_go/core_ext/string.rb#L37), or open an issue in LetItGo so we can track and freeze more strings.
Keep those strings Frozen
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This will silence deprecation warnings.
Most of the test can be changed from `render :text` to render `:plain`
or `render :body` right away. However, there are some tests that needed
to be fixed by hand as they actually assert the default Content-Type
returned from `render :body`.
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Various grammar corrections and wrap to 80 characters.
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Allow `pluralize` helper to take a locale.
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This is already supported in `ActiveSupport::Inflector#pluralize` and `String#pluralize`, so we just forward the locale.
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If a template includes `# Template Collection: ...` anywhere in its
source, that name will be used as the cache name for the partial that is
rendered for the collection.
This allows users to enable collection caching even if the template
doesn't start with `<% cache ... do %>`.
Moreover, the `# Template Collection: ...` notation is recognized in all
template types (and template types other than ERB can define a
resource_cache_call_pattern method to allow the `cache ... do` pattern
to be recognized too).
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Passing nil to image_tag
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