| 1 | 1 | 'use strict'; |
| 2 | | |
| 3 | | // ----- dependencies |
| 4 | | // --------------------------------------- |
| 5 | 1 | var sift = require('sift-distance'); |
| 6 | | |
| 7 | | // ----- sort function |
| 8 | | // -- @param arr {Array} strings to sort |
| 9 | | // -- @param str {String} sort against this |
| 10 | | // -- @param max {Number} remove items >= max |
| 11 | | // -- @return {Array} sorted by distance to str |
| 12 | | // --------------------------------------- |
| 13 | 1 | function sort(arr, str, max) { |
| 14 | | |
| 15 | 3 | if (max) { |
| 16 | 1 | arr = arr.filter(function(el) { |
| 17 | 5 | return sift(el, str, {maxDistance: max, maxOffset: sort.maxOffset}) < max; |
| 18 | | }); |
| 19 | | } |
| 20 | | |
| 21 | 3 | var opts = {maxOffset: sort.maxOffset}; |
| 22 | | |
| 23 | 3 | return arr.sort(function(a, b) { |
| 24 | 17 | return sift(a, str, opts) - sift(b, str, opts); |
| 25 | | }); |
| 26 | | |
| 27 | | } |
| 28 | | |
| 29 | 1 | sort.maxOffset = 5; |
| 30 | | |
| 31 | 1 | module.exports = sort; |