Switch scripts to module because of node-fetch v3

.eslintignore

@@ -1,5 +1,5 @@
-layers/josm/extract.js
+layers/josm/extract.mjs
-layers/collection/extract.js
+layers/collection/extract.mjs
 gulpfile.js
 dist/brouter-web.js
 dist/turf.min.js

layers/collection/extract.mjs

@@ -1,8 +1,12 @@
+import fs from 'fs';
+import path from 'path';
+import fetch from 'node-fetch';
+import { fileURLToPath } from 'url';
 
-const fs = require('fs');
+import vm from 'vm';
-const path = require('path');
-const fetch = require('node-fetch');
 
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
 const outDir = __dirname;
 
 var includeList = [
@@ -18,7 +22,7 @@ var includeList = [
 ];
 
 function extract(constantsJs) {
-    eval(constantsJs);
+    const getLayerDataByID = vm.runInNewContext(constantsJs + '; getLayerDataByID');
 
     for (let i = 0; i < includeList.length; i++) {
         let id = includeList[i];

layers/josm/extract.mjs

@@ -1,8 +1,10 @@
+import fs from 'fs';
+import path from 'path';
+import fetch from 'node-fetch';
+import { fileURLToPath } from 'url';
 
-const fs = require('fs');
+const __filename = fileURLToPath(import.meta.url);
-const path = require('path');
+const __dirname = path.dirname(__filename);
-const fetch = require('node-fetch');
-
 const outDir = __dirname;
 
 const includeList = [

package.json

@@ -7,7 +7,7 @@
         "build": "gulp",
         "transifex-push": "gulp i18next && tx push --source",
         "transifex-pull": "tx pull --all --minimum-perc 1 --force && (git add locales/*.json && git commit locales/*.json -m 'Update translations' || true)",
-        "layers": "node layers/josm/extract.js && node layers/collection/extract.js",
+        "layers": "node layers/josm/extract.mjs && node layers/collection/extract.mjs",
         "test": "jest",
         "lint": "eslint .",
         "prettier": "prettier --write '**/*'",