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* Add `Style/RedundantFreeze` to remove redudant `.freeze`Yasuo Honda2018-09-291-2/+2
| | | | | | | | | | | | | | | | | | | | | Since Rails 6.0 will support Ruby 2.4.1 or higher `# frozen_string_literal: true` magic comment is enough to make string object frozen. This magic comment is enabled by `Style/FrozenStringLiteralComment` cop. * Exclude these files not to auto correct false positive `Regexp#freeze` - 'actionpack/lib/action_dispatch/journey/router/utils.rb' - 'activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb' It has been fixed by https://github.com/rubocop-hq/rubocop/pull/6333 Once the newer version of RuboCop released and available at Code Climate these exclude entries should be removed. * Replace `String#freeze` with `String#-@` manually if explicit frozen string objects are required - 'actionpack/test/controller/test_case_test.rb' - 'activemodel/test/cases/type/string_test.rb' - 'activesupport/lib/active_support/core_ext/string/strip.rb' - 'activesupport/test/core_ext/string_ext_test.rb' - 'railties/test/generators/actions_test.rb'
* Enable `Performance/UnfreezeString` copyuuji.yaginuma2018-09-231-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In Ruby 2.3 or later, `String#+@` is available and `+@` is faster than `dup`. ```ruby # frozen_string_literal: true require "bundler/inline" gemfile(true) do source "https://rubygems.org" gem "benchmark-ips" end Benchmark.ips do |x| x.report('+@') { +"" } x.report('dup') { "".dup } x.compare! end ``` ``` $ ruby -v benchmark.rb ruby 2.5.1p57 (2018-03-29 revision 63029) [x86_64-linux] Warming up -------------------------------------- +@ 282.289k i/100ms dup 187.638k i/100ms Calculating ------------------------------------- +@ 6.775M (± 3.6%) i/s - 33.875M in 5.006253s dup 3.320M (± 2.2%) i/s - 16.700M in 5.032125s Comparison: +@: 6775299.3 i/s dup: 3320400.7 i/s - 2.04x slower ```
* Enable autocorrect for `Lint/EndAlignment` copKoichi ITO2018-01-181-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ### Summary This PR changes .rubocop.yml. Regarding the code using `if ... else ... end`, I think the coding style that Rails expects is as follows. ```ruby var = if cond a else b end ``` However, the current .rubocop.yml setting does not offense for the following code. ```ruby var = if cond a else b end ``` I think that the above code expects offense to be warned. Moreover, the layout by autocorrect is unnatural. ```ruby var = if cond a else b end ``` This PR adds a setting to .rubocop.yml to make an offense warning and autocorrect as expected by the coding style. And this change also fixes `case ... when ... end` together. Also this PR itself is an example that arranges the layout using `rubocop -a`. ### Other Information Autocorrect of `Lint/EndAlignment` cop is `false` by default. https://github.com/bbatsov/rubocop/blob/v0.51.0/config/default.yml#L1443 This PR changes this value to `true`. Also this PR has changed it together as it is necessary to enable `Layout/ElseAlignment` cop to make this behavior.
* [Action Pack] `rubocop -a --only Layout/EmptyLineAfterMagicComment`Koichi ITO2017-07-111-0/+1
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* Prepare AP and AR to be frozen string friendlyKir Shatrov2017-07-061-1/+2
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* Revert "Merge pull request #29540 from kirs/rubocop-frozen-string"Matthew Draper2017-07-021-1/+0
| | | | | This reverts commit 3420a14590c0e6915d8b6c242887f74adb4120f9, reversing changes made to afb66a5a598ce4ac74ad84b125a5abf046dcf5aa.
* Enforce frozen string in RubocopKir Shatrov2017-07-011-0/+1
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* Use mattr_accessor default: option throughout the projectGenadi Samokovarov2017-06-031-2/+1
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* [docs] fix ActionDispatch documentationHrvoje Šimić2017-03-131-2/+0
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* Add more rubocop rules about whitespacesRafael Mendonça França2016-10-291-2/+2
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* Fix `ActionDispatch::Http::URL` docs [ci skip]Ryoji Yoshioka2016-08-221-65/+21
| | | | Use ActionDispatch::Request instead of Request because ActionDispatch::Request no longer inherits from Rack::Request.
* applies remaining conventions across the projectXavier Noria2016-08-061-1/+1
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* applies new string literal convention in actionpack/libXavier Noria2016-08-061-13/+13
| | | | | The current code base is not uniform. After some discussion, we have chosen to go with double quotes by default.
* Document and test ActionDispatch server_portTom Kadwill2016-05-121-0/+11
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* Improve documentation and tests for raw_host_with_port and host_with_portTom Kadwill2016-05-111-3/+10
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* In url_for, never append ? when the query string is empty anyway.Paul Grayson2015-10-291-1/+2
| | | | | | | | | | | | | | | | | | It used to behave like this: url_for(controller: 'x', action: 'y', q: {}) # -> "/x/y?" We previously avoided empty query strings in most cases by removing nil values, then checking whether params was empty. But as you can see above, even non-empty params can yield an empty query string. So I changed the code to just directly check whether the query string ended up empty. (To make everything more consistent, the "removing nil values" functionality should probably move to ActionPack's Hash#to_query, the place where empty hashes and arrays get removed. However, this would change a lot more behavior.)
* stop inheriting from Rack::RequestAaron Patterson2015-09-041-1/+1
| | | | | | Just include the modules necessary in the Request object to implement the things we need. This should make it easier to build delegate request objects because the API is smaller
* Remove not used requiresMarcin Olichwirowicz2015-09-011-1/+0
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* Merge pull request #19788 from cmdrclueless/actionpack_http_url_ipv6Rafael Mendonça França2015-09-011-1/+1
|\ | | | | Fix broken IPv6 addresses handling
| * Fix broken IPv6 addresses handlingBrian Weaver2015-04-161-1/+1
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* | remove another `@env` accessAaron Patterson2015-08-241-1/+1
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* | remove more direct access to `env`Aaron Patterson2015-08-241-2/+2
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* | Freeze string literals when not mutated.schneems2015-07-191-1/+1
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 ![](https://www.dropbox.com/s/z4dj9fdsv213r4v/let-it-go.gif?dl=1)
* Fix handling of empty X_FORWARDED_HOST header.adam2015-03-201-1/+1
| | | | | | Previously, an empty X_FORWARDED_HOST header would cause Actiondispatch::Http:URL.raw_host_with_port to return nil, causing Actiondispatch::Http:URL.host to raise a NoMethodError.
* drop string allocations per model url_for call in viewsAaron Patterson2015-03-011-1/+1
| | | | | | | | | | | | ```ruby article = Article.new.tap(&:save!) view.url_for article result = ObjectSpace::AllocationTracer.trace do 3000.times { view.url_for article } end p ObjectSpace::AllocationTracer.allocated_count_table[:T_STRING] / 3000 ```
* Add docs for ActionDispatch::Http::URL methodsclaudiob2014-12-181-0/+109
| | | | | | | | | | Add docs for `extract_domain`, `extract_subdomains`, `extract_subdomain`. Add doc examples for `url`, `protocol`, `raw_host_with_port`, `host`, `host_with_port`, `port`, `standard_port`, `standard_port?`, `optional_port`, `port_string`. [ci skip]
* Anchor should not be appended when set to nil/false.Guo Xiang Tan2014-11-231-1/+3
| | | | Fixes https://github.com/rails/rails/issues/17714.
* Realign assignments :scissors:Carlos Antonio da Silva2014-07-311-5/+5
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* Do not reassign variable when mutation is happeningCarlos Antonio da Silva2014-07-311-8/+5
| | | | | These methods mutate the path variable/argument so there is no need to reassign it every time.
* Only concatenate path if it was given rather than converting blindlyCarlos Antonio da Silva2014-07-311-1/+1
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* Rename variable to better show its intentCarlos Antonio da Silva2014-07-311-12/+12
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* Simplify conditionalCarlos Antonio da Silva2014-07-311-3/+2
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* Push options check up so we can simplify internal methodsCarlos Antonio da Silva2014-07-311-13/+10
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* use a strategy object for generating urls in named helpersAaron Patterson2014-07-171-8/+13
| | | | | | since we know that the route should be a path or fully qualified, we can pass a strategy object that handles generation. This allows us to eliminate an "if only_path" branch when generating urls.
* extract path building to a methodAaron Patterson2014-07-161-9/+11
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* break out path building logic to methodsAaron Patterson2014-07-161-14/+22
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* only extract :params from the options hash onceAaron Patterson2014-07-161-3/+2
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* push host / port / protocol extraction upAaron Patterson2014-06-301-6/+6
| | | | Then we only need to extract host once.
* add both branches to the only_path conditionalAaron Patterson2014-06-191-6/+6
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* only check named_host? once in normalize_hostAaron Patterson2014-06-121-3/+7
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* lookup subdomain from the options hash once, defaulting to trueAaron Patterson2014-06-121-2/+2
| | | | | if the subdomain wasn't specified, it's the same as if specifying :subdomain as `true`, so we can default the value to `true` safely.
* only extract domain from the options hash onceAaron Patterson2014-06-121-3/+4
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* reduce calls to `named_host?`Aaron Patterson2014-06-121-2/+6
| | | | | `normalize_host` already calls `named_host?`, so there is no reason to test `named_host?` again in the `extract_domain` method.
* Removed warning actionpack url.rbJuanito Fatas2014-06-121-2/+2
| | | | | | | | | | Before: /Users/Juan/dev/rails/actionpack/lib/action_dispatch/http/url.rb:95: warning: shadowing outer local variable - port After: No warning
* remove useless to_param callAaron Patterson2014-06-111-1/+1
| | | | | extract_subdomain always returns a string, and to_param calls to_s on a string
* only look up the subdomain onceAaron Patterson2014-06-111-3/+4
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* scheme should contain one or more charactersAaron Patterson2014-06-111-1/+1
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* pull the port out of the options hash onceAaron Patterson2014-06-111-2/+3
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* remove useless nil checkAaron Patterson2014-06-111-2/+2
| | | | | | | | | irb(main):004:0> /foo/ !~ nil => true irb(main):005:0> /foo/ !~ 'bar' => true irb(main):006:0> /foo/ !~ 'foo' => false
* these methods are always called with a tld_parameterAaron Patterson2014-06-111-3/+3
| | | | | remove the default parameter since the methods are always called with a parameter
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