| 1 | module['exports'] = function(colors) {
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| 2 | // RoY G BiV
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| 3 | var rainbowColors = ['red', 'yellow', 'green', 'blue', 'magenta'];
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| 4 | return function(letter, i, exploded) {
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| 5 | if (letter === ' ') {
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| 6 | return letter;
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| 7 | } else {
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| 8 | return colors[rainbowColors[i++ % rainbowColors.length]](letter);
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| 9 | }
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| 10 | };
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| 11 | };
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| 12 |
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