Change concat to push for better performance

index.js

@@ -10,7 +10,7 @@ module.exports = function(layer) {
     layer.eachLayer(collectPoints);
 
     function collectPoints(l) {
-        points = points.concat(reformat(flat(l.feature.geometry.coordinates), l));
+        points.push(...reformat(flat(l.feature.geometry.coordinates), l));
     }
 
     var sknn = sphereKnn(points);

leaflet-knn.js

@@ -1,5 +1,4 @@
-(function(e){if("function"==typeof bootstrap)bootstrap("leafletknn",e);else if("object"==typeof exports)module.exports=e();else if("function"==typeof define&&define.amd)define(e);else if("undefined"!=typeof ses){if(!ses.ok())return;ses.makeLeafletKnn=e}else"undefined"!=typeof window?window.leafletKnn=e():global.leafletKnn=e()})(function(){var define,ses,bootstrap,module,exports;
-return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.leafletKnn = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
 var sphereKnn = require('sphere-knn');
 
 module.exports = function(layer) {
@@ -12,7 +11,7 @@ module.exports = function(layer) {
     layer.eachLayer(collectPoints);
 
     function collectPoints(l) {
-        points = points.concat(reformat(flat(l.feature.geometry.coordinates), l));
+        points.push(...reformat(flat(l.feature.geometry.coordinates), l));
     }
 
     var sknn = sphereKnn(points);
@@ -334,7 +333,5 @@ function lookup(lat, lon, node, n, max) {
 exports.build  = build
 exports.lookup = lookup
 
-},{"./kd":4}]},{},[1])
-(1)
+},{"./kd":4}]},{},[1])(1)
 });
-;