MoreCoreExtensions

MoreCoreExtensions are a set of core extensions beyond those provided by ActiveSupport.

Extensions Provided

Array

• core_ext/array/compact_map.rb
  • #compact_map - Collect non-nil results from the block
• core_ext/array/deletes.rb
  • #delete_blanks - Deletes all items where the value is blank
  • #delete_nils - Deletes all items where the value is nil
  • #deep_delete - Deletes nested hash key elements
• core_ext/array/duplicates.rb
  • #duplicates - Returns an Array of the duplicates found
• core_ext/array/element_counts.rb
  • #element_counts - Returns a Hash of each element to the count of those elements
• core_ext/array/inclusions.rb
  • #include_all? - Returns whether the Array contains all of the items
  • #include_any? - Returns whether the Array contains any of the items
  • #include_none? - Returns whether the Array contains none of the items
  • #includes_index? - Returns whether the Array has a value at the index
• core_ext/array/math.rb
  • #mean - Returns the mean of an Array of Numerics
  • #stddev - Returns the standard deviation of an Array of Numerics
  • #variance - Returns the variance of an Array of Numerics
• core_ext/array/nested.rb (see Shared)
  • #delete_blank_paths - Deletes all paths where the value is blank
• core_ext/array/random.rb
  • #random_index - Picks a valid index randomly
  • #random_element - Picks an element randomly
• core_ext/array/sorting.rb
  • #tabular_sort - Sorts an Array of Hashes by specific columns
• core_ext/array/stretch.rb
  • .stretch - Stretch all argument Arrays to make them the same size
  • .stretch! - Stretch all argument Arrays to make them the same size. Modifies the arguments in place.
  • #stretch - Stretch receiver to be the same size as the longest argument Array.
  • #stretch! - Stretch receiver to be the same size as the longest argument Array. Modifies the receiver in place.
  • #zip_stretched - Zip arguments stretching the receiver if necessary
• core_ext/array/tableize.rb
  • #tableize - Create a string representation of receiver in a tabular format if receiver is an Array of Arrays or an Array of Hashes

Class

• core_ext/class/hierarchy.rb
  • #descendant_get - Returns the descendant with a given name
  • #hierarchy - Returns a tree-like Hash structure of all descendants.
  • #lineage - Returns an Array of all superclasses.
  • #leaf_subclasses - Returns an Array of all descendants which have no subclasses.

Hash

• core_ext/hash/deletes.rb
  • #delete_blanks - Deletes all keys where the value is blank
  • #delete_nils - Deletes all keys where the value is nil
  • #deep_delete - Deletes nested hash key elements
• core_ext/hash/nested.rb (see Shared)
  • #delete_blank_paths - Deletes all paths where the value is blank
• core_ext/hash/sorting.rb (see Shared)
  • #sort! - Replace the original with the sorted hash
  • #sort_by! - Replace the original with the sorted_by hash

Module

• core_ext/module/cache_with_timeout.rb
  • #cache_with_timeout - Creates singleton methods that cache the results of the given block, but only for a short amount of time.
  • .clear_all_cache_with_timeout - Globally clears all cached values across all classes.
• core_ext/module/namespace.rb
  • #namespace - Returns an Array with the namespace to the current Module

Numeric

• core_ext/numeric/clamp.rb
  • #clamp - Clamp a number to a minimum and/or maximum value
• core_ext/numeric/math.rb
  • #square - Returns the square of a Numeric
• core_ext/numeric/rounding.rb
  • #round_down - Round down to the specified precision
  • #round_up - Round up to the specified precision

Object

• core_ext/module/deep_send.rb
  • #deep_send - Invokes the specified methods continuously, unless encountering a nil value.
• core_ext/module/namespace.rb
  • #in_namespace? - Returns whether or not the object is in the given namespace

Process

• core_ext/process/pause_resume.rb
  • .pause - Pauses a process
  • .resume - Resumes a paused process
  • .alive? - Returns whether or not a process is running

Range

• core_ext/range/step_value.rb
  • #step_value - Step through a range at a given increment

String

• core_ext/string/decimal_suffix.rb
  • #decimal_si_to_big_decimal - Returns a BigDecimal based on the number and suffix given
  • #decimal_si_to_f - Returns a Float based on the number and suffix given
• core_ext/string/formats.rb
  • #email? - Returns whether or not the String is an= valid email
  • #domain_name? - Returns whether or not the String is a valid domain name
  • #hostname? - Returns whether or not the String is a valid hostname
  • #ipv4? - Returns whether or not the String is an IPv4 address
  • #ipv6? - Returns whether or not the String is an IPv6 address
  • #ipaddress? - Returns whether or not the String is an IPv4 or IPv6 address
  • #integer? - Returns whether or not the String is an integer
  • #guid? - Returns whether or not the String is a valid GUID
• core_ext/string/hex_dump.rb
  • #hex_dump - Dumps the string in a hex editor style format
• core_ext/string/iec60027_2.rb
  • #iec_60027_2_to_i - Convert strings with an IEC60027-2 suffix to an integer
• core_ext/string/to_i_with_method.rb
  • #to_f_with_method - Converts to a Float while also evaluating a method invocation
  • #to_i_with_method - Converts to an Integer while also evaluating a method invocation
  • #number_with_method? - Determines if the object contains a number with a method invocation

Symbol

• core_ext/symbol/to_i.rb
  • #to_i - Returns the integer value of a symbol

Shared

• core_ext/shared/nested.rb
  • #deep_clone - Performs a Marshal based deep clone
  • #delete_path - Delete the value at the specified nesting
  • #fetch_path - Fetch the value at the specified nesting
  • #find_path - Detect which nesting holds the specified value
  • #has_key_path? - Check if a key exists at the specified nesting
  • #include_path? - alias of #has_key_path?
  • #key_path? - alias of #has_key_path?
  • #member_path? - alias of #has_key_path?
  • #store_path - Store a value at the specified nesting

Installation

Add this line to your application’s Gemfile:

gem 'more_core_extensions'

And then execute:

$ bundle

Or install it yourself as:

$ gem install more_core_extensions

Contributing

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request

License

The gem is available as open source under the terms of the MIT License.