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| module DeepCompact | |
| def self.blank?(o) | |
| o.nil? || (o.respond_to?(:empty?) && o.empty?) | |
| end | |
| module Array | |
| def deep_compact | |
| map.with_object(self.class.new) { |e, o| | |
| o << (e.respond_to?(:deep_compact) ? e.deep_compact : e) | |
| }.select { |value| !DeepCompact.blank?(value) } | |
| end | |
| end | |
| module Hash | |
| def deep_compact | |
| map.with_object(self.class.new) { |(k, v), o| | |
| o[k] = v.respond_to?(:deep_compact) ? v.deep_compact : v | |
| }.select { |_, v| !DeepCompact.blank?(v) } | |
| end | |
| end | |
| end | |
| class Array | |
| include DeepCompact::Array | |
| end | |
| class Hash | |
| include DeepCompact::Hash | |
| end | |
| {a: {b: nil}}.deep_compact # => {} | |
| {a: {b: {c: 1, d: nil}}}.deep_compact # => {:a=>{:b=>{:c=>1}}} | |
| {a: {b: {c: 1, d: [{e: []}]}}}.deep_compact # => {:a=>{:b=>{:c=>1}}} | |
| {a: {b: {c: 1, d: [{e: []}, {f: ""}, 1, nil, {}]}}}.deep_compact # => {:a=>{:b=>{:c=>1, :d=>[1]}}} |
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