Class: ENV

Inherits:
Object show all
Defined in:
opal/stdlib/pp.rb

Overview

:nodoc:

Class Method Summary collapse

Class Method Details

.[](name) ⇒ Object 



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# File 'opal/stdlib/nodejs/env.rb', line 4

def [](name)
  `process.env[#{name}] || nil`
end

.[]=(name, value) ⇒ Object 



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# File 'opal/stdlib/nodejs/env.rb', line 8

def []=(name, value)
  `process.env[#{name.to_s}] = #{value.to_s}`
end

.delete(name) ⇒ Object 



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# File 'opal/stdlib/nodejs/env.rb', line 29

def delete(name)
  %x{
    var value = process.env[#{name}] || nil;
    delete process.env[#{name}];
    return value;
  }
end

.empty? ⇒ Boolean

Returns:



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# File 'opal/stdlib/nodejs/env.rb', line 21

def empty?
  `Object.keys(process.env).length === 0`
end

.fetch(key, default_value = undefined, &block) ⇒ Object

Raises:

  • (KeyError) 


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# File 'opal/stdlib/nodejs/env.rb', line 37

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

.key?(name) ⇒ Boolean Also known as: has_key?, include?, member?

Returns:



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# File 'opal/stdlib/nodejs/env.rb', line 12

def key?(name)
  `process.env.hasOwnProperty(#{name})`
end

.keys ⇒ Object 



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# File 'opal/stdlib/nodejs/env.rb', line 25

def keys
  `Object.keys(process.env)`
end

.merge(keys) ⇒ Object 



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# File 'opal/stdlib/nodejs/env.rb', line 56

def merge(keys)
  to_h.merge(keys)
end

.pretty_print(q) ⇒ Object

:nodoc:



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# File 'opal/stdlib/pp.rb', line 359

def pretty_print(q) # :nodoc:
  h = {}
  ENV.keys.sort.each {|k|
    h[k] = ENV[k]
  }
  q.pp_hash h
end

.to_h ⇒ Object Also known as: to_hash 



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# File 'opal/stdlib/nodejs/env.rb', line 50

def to_h
  keys.to_h { |k| [k, self[k]] }
end

.to_s ⇒ Object Also known as: inspect 



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# File 'opal/stdlib/nodejs/env.rb', line 44

def to_s
  'ENV'
end