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18 lines
491 B
18 lines
491 B
9 years ago
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class Spark
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# TICKS = %w[▁ ▂ ▃ ▄ ▅ ▆ ▇ █] # Alfred doesn't render the last bar correctly
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# for some reason...
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TICKS = %w[▁ ▂ ▃ ▄ ▅ ▆ ▇]
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attr_reader :data, :min, :max
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def initialize(data, **kwargs)
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@data = data.map(&:round)
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@min = kwargs.fetch(:min) { 0 }
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@max = [(kwargs.fetch(:max) { data.max }).to_f, 1.0].max
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end
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def to_s
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data.map {|i| TICKS[(TICKS.size - 1) * (i - min) / max] }.join
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end
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end
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