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Add slug words limit #44

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Add slug words limit #44

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7 changes: 7 additions & 0 deletions slug.js
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Original file line number Diff line number Diff line change
Expand Up @@ -62,6 +62,13 @@ function slug(string, opts) {
result += char;
}
result = result.replace(/^\s+|\s+$/g, ''); // trim leading/trailing spaces

if (opts.limit) {
var split_array = result.split(' ');
split_array.splice(opts.limit, split_array.length - opts.limit);
result = split_array.join(' ');
}

result = result.replace(/[-\s]+/g, opts.replacement); // convert spaces
result = result.replace(opts.replacement+"$",''); // remove trailing separator
if (opts.lower)
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6 changes: 6 additions & 0 deletions test/slug.test.coffee
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Expand Up @@ -232,3 +232,9 @@ describe 'slug', ->
text = "It's Your Journey We Guide You Through."
expected = "Its-Your-Journey-We-Guide-You-Through."
[slug text, mode:'rfc3986', lower:off].should.eql [expected]

it 'should allow to limit slug words (5, i.e.)', ->
text = "It's Your Journey We Guide You Through."
expected = "Its-Your-Journey-We-Guide"
[slug text, limit:5].should.eql [expected]