Convert to esm module syntax (#606)

* switch to esm module

* Update package.json

* change to maplibre package

* fix tests

* eslint

* remove extra package updates

* Delete package-lock.json

* change 'fs' to 'node:fs'

* put back node 10.

without the package updates this still works

* remove trailing commas

* remove unassociated fix / formatting

* remove unassociated fix

* remove eslint from this PR

* remove unassociated fix

* lint

* Merge remote-tracking branch 'upstream/master' into esm_update

* fix mlgl

* update maplibre-native to new version with arm64

* update minor version

package.json

@@ -1,12 +1,13 @@
 {
   "name": "tileserver-gl",
-  "version": "4.0.0",
+  "version": "4.1.0",
   "description": "Map tile server for JSON GL styles - vector and server side generated raster tiles",
   "main": "src/main.js",
   "bin": "src/main.js",
+  "type": "module",
   "repository": {
     "type": "git",
-    "url": "https://github.com/maptiler/tileserver-gl.git"
+    "url": "git+https://github.com/maptiler/tileserver-gl.git"
   },
   "license": "BSD-2-Clause",
   "engines": {
@@ -18,11 +19,11 @@
   },
   "dependencies": {
     "@mapbox/glyph-pbf-composite": "0.0.3",
-    "@maplibre/maplibre-gl-native": "5.0.1-pre.0",
-    "@maplibre/maplibre-gl-style-spec": "17.0.1",
     "@mapbox/mbtiles": "0.12.1",
     "@mapbox/sphericalmercator": "1.2.0",
     "@mapbox/vector-tile": "1.3.1",
+    "@maplibre/maplibre-gl-native": "5.0.1-pre.6",
+    "@maplibre/maplibre-gl-style-spec": "17.0.1",
     "advanced-pool": "0.3.3",
     "canvas": "2.10.1",
     "chokidar": "3.5.3",
@@ -30,7 +31,6 @@
     "color": "4.2.3",
     "commander": "9.4.0",
     "cors": "2.8.5",
-    "esm": "3.2.25",
     "express": "4.18.1",
     "handlebars": "4.7.7",
     "http-shutdown": "1.2.2",
@@ -42,8 +42,8 @@
     "tileserver-gl-styles": "2.0.0"
   },
   "devDependencies": {
+    "chai": "4.3.6",
     "mocha": "^10.0.0",
-    "should": "^13.2.3",
     "supertest": "^6.2.4"
   }
 }