Class: ENV

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# File 'opal/stdlib/nodejs/env.rb', line 6
def [](name)
 `process.env[#{name}] || nil`
end

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# File 'opal/stdlib/nodejs/env.rb', line 10
def []=(name, value)
 `process.env[#{name.to_s}] = #{value.to_s}`
end

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# File 'opal/stdlib/nodejs/env.rb', line 26
def delete(name)
 %x{
 var value = process.env[#{name}] || nil;
 delete process.env[#{name}];
 return value;
 }
end

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# File 'opal/stdlib/nodejs/env.rb', line 18
def empty?
 `Object.keys(process.env).length === 0`
end

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# File 'opal/stdlib/nodejs/env.rb', line 34
def fetch(key, default_value = undefined, &block)
 return self[key] if key?(key)
 return yield key if block_given?
 return default_value unless `typeof(#{default_value}) === 'undefined'`
 raise KeyError, 'key not found'
end

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# File 'opal/stdlib/nodejs/env.rb', line 14
def key?(name)
 `process.env.hasOwnProperty(#{name})`
end

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# File 'opal/stdlib/nodejs/env.rb', line 22
def keys
 `Object.keys(process.env)`
end

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# File 'opal/stdlib/nodejs/env.rb', line 49
def merge(keys)
 to_h.merge(keys)
end

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# File 'opal/stdlib/pp.rb', line 376
def pretty_print(q) # :nodoc:
 h = {}
 ENV .keys .sort.each {|k|
 h[k] = ENV [k]
 }
 q.pp_hash h
end

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# File 'opal/stdlib/nodejs/env.rb', line 45
def to_h
 keys.to_h { |k| [k, self[k]] }
end

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# File 'opal/stdlib/nodejs/env.rb', line 41
def to_s
 'ENV'
end