diff --git a/package-lock.json b/package-lock.json
index 33df11b..b01d14d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,6 +16,7 @@
       "devDependencies": {
         "@rollup/plugin-commonjs": "25.0.8",
         "@rollup/plugin-node-resolve": "15.2.3",
+        "@rollup/plugin-terser": "0.1.0",
         "@rollup/plugin-typescript": "11.1.6",
         "@tsconfig/svelte": "5.0.4",
         "@types/leaflet": "1.9.12",
@@ -26,7 +27,6 @@
         "rollup-plugin-css-only": "4.5.2",
         "rollup-plugin-livereload": "2.0.5",
         "rollup-plugin-svelte": "7.2.2",
-        "rollup-plugin-terser": "7.0.2",
         "svelte": "4.2.19",
         "svelte-check": "3.8.6",
         "svelte-preprocess": "5.1.4",
@@ -62,46 +62,6 @@
         "node": ">=6.0.0"
       }
     },
-    "node_modules/@babel/code-frame": {
-      "version": "7.24.7",
-      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.24.7.tgz",
-      "integrity": "sha512-BcYH1CVJBO9tvyIZ2jVeXgSIMvGZ2FDRvDdOIVQyuklNKSsx+eppDEBq/g47Ayw+RqNFE+URvOShmf+f/qwAlA==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "@babel/highlight": "^7.24.7",
-        "picocolors": "^1.0.0"
-      },
-      "engines": {
-        "node": ">=6.9.0"
-      }
-    },
-    "node_modules/@babel/helper-validator-identifier": {
-      "version": "7.24.7",
-      "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.24.7.tgz",
-      "integrity": "sha512-rR+PBcQ1SMQDDyF6X0wxtG8QyLCgUB0eRAGguqRLfkCA87l7yAP7ehq8SNj96OOGTO8OBV70KhuFYcIkHXOg0w==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">=6.9.0"
-      }
-    },
-    "node_modules/@babel/highlight": {
-      "version": "7.24.7",
-      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.24.7.tgz",
-      "integrity": "sha512-EStJpq4OuY8xYfhGVXngigBJRWxftKX9ksiGDnmlY3o7B/V7KIAc9X4oiK87uPJSc/vs5L869bem5fhZa8caZw==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "@babel/helper-validator-identifier": "^7.24.7",
-        "chalk": "^2.4.2",
-        "js-tokens": "^4.0.0",
-        "picocolors": "^1.0.0"
-      },
-      "engines": {
-        "node": ">=6.9.0"
-      }
-    },
     "node_modules/@isaacs/cliui": {
       "version": "8.0.2",
       "resolved": "https://registry.npmjs.org/@isaacs/cliui/-/cliui-8.0.2.tgz",
@@ -291,6 +251,27 @@
         }
       }
     },
+    "node_modules/@rollup/plugin-terser": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/@rollup/plugin-terser/-/plugin-terser-0.1.0.tgz",
+      "integrity": "sha512-N2KK+qUfHX2hBzVzM41UWGLrEmcjVC37spC8R3c9mt3oEDFKh3N2e12/lLp9aVSt86veR0TQiCNQXrm8C6aiUQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "terser": "^5.15.1"
+      },
+      "engines": {
+        "node": ">=14.0.0"
+      },
+      "peerDependencies": {
+        "rollup": "^2.x || ^3.x"
+      },
+      "peerDependenciesMeta": {
+        "rollup": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@rollup/plugin-typescript": {
       "version": "11.1.6",
       "resolved": "https://registry.npmjs.org/@rollup/plugin-typescript/-/plugin-typescript-11.1.6.tgz",
@@ -379,16 +360,6 @@
       "dev": true,
       "license": "MIT"
     },
-    "node_modules/@types/node": {
-      "version": "22.4.1",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.4.1.tgz",
-      "integrity": "sha512-1tbpb9325+gPnKK0dMm+/LMriX0vKxf6RnB0SZUqfyVkQ4fMgUSySqhxE/y8Jvs4NyF1yHzTfG9KlnkIODxPKg==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "undici-types": "~6.19.2"
-      }
-    },
     "node_modules/@types/pug": {
       "version": "2.0.10",
       "resolved": "https://registry.npmjs.org/@types/pug/-/pug-2.0.10.tgz",
@@ -429,19 +400,6 @@
         "url": "https://github.com/chalk/ansi-regex?sponsor=1"
       }
     },
-    "node_modules/ansi-styles": {
-      "version": "3.2.1",
-      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
-      "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "color-convert": "^1.9.0"
-      },
-      "engines": {
-        "node": ">=4"
-      }
-    },
     "node_modules/any-promise": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/any-promise/-/any-promise-1.3.0.tgz",
@@ -677,21 +635,6 @@
       ],
       "license": "CC-BY-4.0"
     },
-    "node_modules/chalk": {
-      "version": "2.4.2",
-      "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
-      "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "ansi-styles": "^3.2.1",
-        "escape-string-regexp": "^1.0.5",
-        "supports-color": "^5.3.0"
-      },
-      "engines": {
-        "node": ">=4"
-      }
-    },
     "node_modules/chokidar": {
       "version": "3.6.0",
       "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-3.6.0.tgz",
@@ -741,23 +684,6 @@
         "@types/estree": "^1.0.0"
       }
     },
-    "node_modules/color-convert": {
-      "version": "1.9.3",
-      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
-      "integrity": "sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "color-name": "1.1.3"
-      }
-    },
-    "node_modules/color-name": {
-      "version": "1.1.3",
-      "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
-      "integrity": "sha512-72fSenhMw2HZMTVHeCA9KCmpEIbzWiQsjN+BHcBbS9vr1mtt+vJjPdksIBNUmKAW8TFUDPJK5SUU3QhE9NEXDw==",
-      "dev": true,
-      "license": "MIT"
-    },
     "node_modules/commander": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/commander/-/commander-4.1.1.tgz",
@@ -925,16 +851,6 @@
         "node": ">=6"
       }
     },
-    "node_modules/escape-string-regexp": {
-      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
-      "integrity": "sha512-vbRorB5FUQWvla16U8R/qgaFIya2qGzwDrNmCZuYKrbdSUMG6I1ZCGQRefkRVhuOkIGVne7BQ35DSfo1qvJqFg==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">=0.8.0"
-      }
-    },
     "node_modules/estree-walker": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/estree-walker/-/estree-walker-2.0.2.tgz",
@@ -1132,16 +1048,6 @@
       "dev": true,
       "license": "ISC"
     },
-    "node_modules/has-flag": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
-      "integrity": "sha512-sKJf1+ceQBr4SMkvQnBDNDtf4TXpVhVGateu0t918bl30FnbE2m4vNLX+VWe/dpjlb+HugGYzW7uQXH98HPEYw==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">=4"
-      }
-    },
     "node_modules/hasown": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/hasown/-/hasown-2.0.2.tgz",
@@ -1302,44 +1208,6 @@
         "@pkgjs/parseargs": "^0.11.0"
       }
     },
-    "node_modules/jest-worker": {
-      "version": "26.6.2",
-      "resolved": "https://registry.npmjs.org/jest-worker/-/jest-worker-26.6.2.tgz",
-      "integrity": "sha512-KWYVV1c4i+jbMpaBC+U++4Va0cp8OisU185o73T1vo99hqi7w8tSJfUXYswwqqrjzwxa6KpRK54WhPvwf5w6PQ==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "@types/node": "*",
-        "merge-stream": "^2.0.0",
-        "supports-color": "^7.0.0"
-      },
-      "engines": {
-        "node": ">= 10.13.0"
-      }
-    },
-    "node_modules/jest-worker/node_modules/has-flag": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz",
-      "integrity": "sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">=8"
-      }
-    },
-    "node_modules/jest-worker/node_modules/supports-color": {
-      "version": "7.2.0",
-      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
-      "integrity": "sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "has-flag": "^4.0.0"
-      },
-      "engines": {
-        "node": ">=8"
-      }
-    },
     "node_modules/jiti": {
       "version": "1.21.6",
       "resolved": "https://registry.npmjs.org/jiti/-/jiti-1.21.6.tgz",
@@ -1350,13 +1218,6 @@
         "jiti": "bin/jiti.js"
       }
     },
-    "node_modules/js-tokens": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
-      "integrity": "sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==",
-      "dev": true,
-      "license": "MIT"
-    },
     "node_modules/kleur": {
       "version": "4.1.5",
       "resolved": "https://registry.npmjs.org/kleur/-/kleur-4.1.5.tgz",
@@ -1455,13 +1316,6 @@
       "dev": true,
       "license": "CC0-1.0"
     },
-    "node_modules/merge-stream": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/merge-stream/-/merge-stream-2.0.0.tgz",
-      "integrity": "sha512-abv/qOcuPfk3URPfDzmZU1LKmuw8kT+0nIHvKrKgFrwifol/doWcdA4ZqsWQ8ENrFKkd67Mfpo/LovbIUsbt3w==",
-      "dev": true,
-      "license": "MIT"
-    },
     "node_modules/merge2": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/merge2/-/merge2-1.4.1.tgz",
@@ -2001,16 +1855,6 @@
       ],
       "license": "MIT"
     },
-    "node_modules/randombytes": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/randombytes/-/randombytes-2.1.0.tgz",
-      "integrity": "sha512-vYl3iOX+4CKUWuxGi9Ukhie6fsqXqS9FE2Zaic4tNFD2N2QQaXOMFbuKK4QmDHC0JO6B1Zp41J0LpT0oR68amQ==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "safe-buffer": "^5.1.0"
-      }
-    },
     "node_modules/read-cache": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/read-cache/-/read-cache-1.0.0.tgz",
@@ -2210,23 +2054,6 @@
         "node": ">= 8.0.0"
       }
     },
-    "node_modules/rollup-plugin-terser": {
-      "version": "7.0.2",
-      "resolved": "https://registry.npmjs.org/rollup-plugin-terser/-/rollup-plugin-terser-7.0.2.tgz",
-      "integrity": "sha512-w3iIaU4OxcF52UUXiZNsNeuXIMDvFrr+ZXK6bFZ0Q60qyVfq4uLptoS4bbq3paG3x216eQllFZX7zt6TIImguQ==",
-      "deprecated": "This package has been deprecated and is no longer maintained. Please use @rollup/plugin-terser",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "@babel/code-frame": "^7.10.4",
-        "jest-worker": "^26.2.1",
-        "serialize-javascript": "^4.0.0",
-        "terser": "^5.0.0"
-      },
-      "peerDependencies": {
-        "rollup": "^2.0.0"
-      }
-    },
     "node_modules/run-parallel": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/run-parallel/-/run-parallel-1.2.0.tgz",
@@ -2263,27 +2090,6 @@
         "node": ">=6"
       }
     },
-    "node_modules/safe-buffer": {
-      "version": "5.2.1",
-      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
-      "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==",
-      "dev": true,
-      "funding": [
-        {
-          "type": "github",
-          "url": "https://github.com/sponsors/feross"
-        },
-        {
-          "type": "patreon",
-          "url": "https://www.patreon.com/feross"
-        },
-        {
-          "type": "consulting",
-          "url": "https://feross.org/support"
-        }
-      ],
-      "license": "MIT"
-    },
     "node_modules/sander": {
       "version": "0.5.1",
       "resolved": "https://registry.npmjs.org/sander/-/sander-0.5.1.tgz",
@@ -2306,16 +2112,6 @@
         "node": ">=6"
       }
     },
-    "node_modules/serialize-javascript": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-4.0.0.tgz",
-      "integrity": "sha512-GaNA54380uFefWghODBWEGisLZFj00nS5ACs6yHa9nLqlLpVLO8ChDGeKRjZnV4Nh4n0Qi7nhYZD/9fCPzEqkw==",
-      "dev": true,
-      "license": "BSD-3-Clause",
-      "dependencies": {
-        "randombytes": "^2.1.0"
-      }
-    },
     "node_modules/shebang-command": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz",
@@ -2612,19 +2408,6 @@
         "url": "https://github.com/sponsors/isaacs"
       }
     },
-    "node_modules/supports-color": {
-      "version": "5.5.0",
-      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
-      "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "has-flag": "^3.0.0"
-      },
-      "engines": {
-        "node": ">=4"
-      }
-    },
     "node_modules/supports-preserve-symlinks-flag": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/supports-preserve-symlinks-flag/-/supports-preserve-symlinks-flag-1.0.0.tgz",
@@ -2927,13 +2710,6 @@
         "node": ">=14.17"
       }
     },
-    "node_modules/undici-types": {
-      "version": "6.19.6",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.19.6.tgz",
-      "integrity": "sha512-e/vggGopEfTKSvj4ihnOLTsqhrKRN3LeO6qSN/GxohhuRv8qH9bNQ4B8W7e/vFL+0XTnmHPB4/kegunZGA4Org==",
-      "dev": true,
-      "license": "MIT"
-    },
     "node_modules/update-browserslist-db": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/update-browserslist-db/-/update-browserslist-db-1.1.0.tgz",
diff --git a/package.json b/package.json
index 07bb505..8bb9170 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "rollup-plugin-css-only": "4.5.2",
     "rollup-plugin-livereload": "2.0.5",
     "rollup-plugin-svelte": "7.2.2",
-    "rollup-plugin-terser": "7.0.2",
+    "@rollup/plugin-terser": "0.1.0",
     "svelte": "4.2.19",
     "svelte-check": "3.8.6",
     "svelte-preprocess": "5.1.4",