104 lines
1.6 KiB
CoffeeScript
104 lines
1.6 KiB
CoffeeScript
num = 10
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result = switch num
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when 5 then false
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when 'a'
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true
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true
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false
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when 10 then true
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# Mid-switch comment with whitespace
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# and multi line
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when 11 then false
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else false
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ok result
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func = (num) ->
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switch num
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when 2, 4, 6
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true
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when 1, 3, 5
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false
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ok func(2)
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ok func(6)
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ok !func(3)
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eq func(8), undefined
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# Ensure that trailing switch elses don't get rewritten.
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result = false
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switch "word"
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when "one thing"
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doSomething()
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else
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result = true unless false
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ok result
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result = false
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switch "word"
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when "one thing"
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doSomething()
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when "other thing"
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doSomething()
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else
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result = true unless false
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ok result
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# Should be able to handle switches sans-condition.
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result = switch
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when null then 0
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when !1 then 1
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when '' not of {''} then 2
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when [] not instanceof Array then 3
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when true is false then 4
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when 'x' < 'y' > 'z' then 5
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when 'a' in ['b', 'c'] then 6
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when 'd' in (['e', 'f']) then 7
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else ok
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eq result, ok
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# Should be able to use "@properties" within the switch clause.
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obj = {
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num: 101
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func: ->
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switch @num
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when 101 then '101!'
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else 'other'
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}
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ok obj.func() is '101!'
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# Should be able to use "@properties" within the switch cases.
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obj = {
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num: 101
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func: (yesOrNo) ->
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result = switch yesOrNo
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when yes then @num
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else 'other'
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result
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}
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ok obj.func(yes) is 101
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# Switch with break as the return value of a loop.
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i = 10
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results = while i > 0
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i--
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switch i % 2
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when 1 then i
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when 0 then break
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eq results.join(', '), '9, , 7, , 5, , 3, , 1, '
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