1  // Generated by LiveScript 1.6.0
 2  (function(){
 3    var prelude, map, sortBy, fl, closestString, nameToRaw, dasherize, naturalJoin;
 4    prelude = require('prelude-ls'), map = prelude.map, sortBy = prelude.sortBy;
 5    fl = require('fast-levenshtein');
 6    closestString = function(possibilities, input){
 7      var distances, ref$, string, distance;
 8      if (!possibilities.length) {
 9        return;
10      }
11      distances = map(function(it){
12        var ref$, longer, shorter;
13        ref$ = input.length > it.length
14          ? [input, it]
15          : [it, input], longer = ref$[0], shorter = ref$[1];
16        return {
17          string: it,
18          distance: fl.get(longer, shorter)
19        };
20      })(
21      possibilities);
22      ref$ = sortBy(function(it){
23        return it.distance;
24      }, distances)[0], string = ref$.string, distance = ref$.distance;
25      return string;
26    };
27    nameToRaw = function(name){
28      if (name.length === 1 || name === 'NUM') {
29        return "-" + name;
30      } else {
31        return "--" + name;
32      }
33    };
34    dasherize = function(string){
35      if (/^[A-Z]/.test(string)) {
36        return string;
37      } else {
38        return prelude.dasherize(string);
39      }
40    };
41    naturalJoin = function(array){
42      if (array.length < 3) {
43        return array.join(' or ');
44      } else {
45        return array.slice(0, -1).join(', ') + ", or " + array[array.length - 1];
46      }
47    };
48    module.exports = {
49      closestString: closestString,
50      nameToRaw: nameToRaw,
51      dasherize: dasherize,
52      naturalJoin: naturalJoin
53    };
54  }).call(this);