Hash値拡張ライブラリ

If you have decision algorithm that can be easily expressed in a table, this gem can help

Lightweight decorators using plain old Ruby objects.

DeclarativeGrid is a gem for rendering grids described in simple DSL

Creates an object from a csv row according to yml-file with mapping rules

Apply grammatical cases to words.

DecoLite is a little gem that allows you to use the provided DecoLite::Model class to dynamically create Decorator class objects. Use the DecoLite::Model class directly, or inherit from the DecoLite::Model class to create your own unique subclasses with custom functionality. DecoL...

Convert JSON structures to CSVs

Convert XML to JSON with a DSL

Small add-on for Draper that decorates models before rendering.

Output formatter for the ruby Logger class

ActiveModel validation against duplicating records.

Detects and rejects duplicate inbound POST/PUT/PATCH requests with a 409/conflict, with no client-side idempotency key required. The server auto-computes a fingerprint of each mutating request, claims it atomically in Redis, and short-circuits duplicates seen within a configurable time window, so...

A method to use in RSpec to spot hash differences

Defaultable is an extendable class to allow easy method chaining for settings along with defaults.

Default validations for string and integer attributes

An agnostic ActiveSupport::Cache helper to enable easy caching of methods inside your classes.

Deferred Jobs

Simple and composable validation and coercion of data structures inspired by clojure specs

Deforest tracks the number of times your model methods are called and presents it in digestable way. You can analyse and use this data to remove unused features/code