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* applies remaining conventions across the projectXavier Noria2016-08-061-30/+30
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* normalizes indentation and whitespace across the projectXavier Noria2016-08-061-28/+28
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* applies new string literal convention in activesupport/libXavier Noria2016-08-062-17/+17
| | | | | The current code base is not uniform. After some discussion, we have chosen to go with double quotes by default.
* systematic revision of =~ usage in ASXavier Noria2016-07-221-1/+2
| | | | | Where appropriate prefer the more concise Regexp#match?, String#include?, String#start_with?, and String#end_with?
* AS::Duration should serialize empty values correctly. (#25656)Paul Sadauskas2016-07-111-1/+3
| | | | | | | | | | | | | The current implementation serializes zero-length durations incorrectly (it serializes as `"-P"`), and cannot un-serialize itself: ``` [1] pry(main)> ActiveSupport::Duration.parse(0.minutes.iso8601) ActiveSupport::Duration::ISO8601Parser::ParsingError: Invalid ISO 8601 duration: "-P" is empty duration from /Users/rando/.gem/ruby/2.3.1/gems/activesupport-5.0.0/lib/active_support/duration/iso8601_parser.rb:96:in `raise_parsing_error' ``` Postgres empty intervals are serialized as `"PT0S"`, which is also parseable by the Duration deserializer, so I've modified the `ISO8601Serializer` to do the same. Additionally, the `#normalize` function returned a negative sign if `parts` was blank (all zero). Even though this fix does not rely on the sign, I've gone ahead and corrected that, too, in case a future refactoring of `#serialize` uses it.
* `ActiveSupport::Duration` supports ISO8601 formatting and parsing.Arnau Siches, Andrey Novikov2016-04-182-0/+173
```ruby ActiveSupport::Duration.parse('P3Y6M4DT12H30M5S') (3.years + 3.days).iso8601 ``` Inspired by Arnau Siches' [ISO8601 gem](https://github.com/arnau/ISO8601/) and rewritten by Andrey Novikov with suggestions from Andrew White. Test data from the ISO8601 gem redistributed under MIT license. (Will be used to support the PostgreSQL interval data type.)