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don't run if <map> has no <area> #62

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vladkras opened this issue Oct 21, 2015 · 0 comments
Open

don't run if <map> has no <area> #62

vladkras opened this issue Oct 21, 2015 · 0 comments

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@vladkras
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In one of my projects tag is sometimes empty. So I don't need the to be generated.

Maybe add some default option like 'emptyMap': true for backward compatibility, so it could be disabled on startup if desired.

Possible solution:

// if map has no descendant areas and option is set to false
if (!map.has('area').length && !option.emptyMap) {
    return
}

somewhere near line 235 of http://davidlynch.org/projects/maphilight/jquery.maphilight.js
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@vladkras