Add helper functions for adding an item to an array only if it's not already contained#17833
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…already contained
sandersn
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Aug 17, 2017
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sandersn
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Looks good although I think you missed one appendIfUnique conversion.
| @@ -6060,8 +6043,8 @@ namespace ts { | |||
| if (!props) { | |||
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isn't this props = appendIfUnique(props, prop) ?
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This seems to be a fairly common pattern.