git ssb

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var computed = require('./computed')
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var isObservable = require('./is-observable')
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module.exports = When
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function When (obs, ifTrue, ifFalse) {
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  ifTrue = handleInnerValues(ifTrue)
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  ifFalse = handleInnerValues(ifFalse)
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  return computed([obs, ifTrue, ifFalse], lambda)
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}
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function lambda (value, ifTrue, ifFalse) {
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  return value ? ifTrue : ifFalse
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}
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function handleInnerValues (obs) {
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  if (Array.isArray(obs) && obs.some(isObservable)) {
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    // HACK: resolve inner observs
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    var inner = []
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    return computed(obs, function () {
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      for (var i = 0; i < arguments.length; i++) {
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        inner[i] = arguments[i]
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      }
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      inner.length = arguments.length
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      return inner
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    })
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  }
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  return obs
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}
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