Script to generate routlines from geojson

scripts/get_routelines.mjs

@@ -0,0 +1,30 @@
+/*
+    Read files in the routeline_data folder and write them to the src/utils/routelines.json file
+*/
+
+import fs from "node:fs";
+import path from "node:path";
+import _ from "lodash";
+import polyline from "google-polyline";
+
+const routelineDataFolder = path.join(process.cwd(), "routeline_data");
+const routelineDataFiles = fs.readdirSync(routelineDataFolder);
+
+const routelines = {};
+
+for (const file of routelineDataFiles) {
+  const filePath = path.join(routelineDataFolder, file);
+  const routelineData = JSON.parse(fs.readFileSync(filePath, "utf8"));
+  const routename = path.basename(file, ".geojson");
+  const encodedRouteline = encodeURIComponent(
+    polyline.encode(
+      routelineData.features[0].geometry.coordinates
+    ),
+  );
+  routelines[routename] = encodedRouteline;
+}
+
+fs.writeFileSync(
+  path.join(process.cwd(), "..", "src", "utils", "routelines.json"),
+  JSON.stringify(routelines, null, 2),
+);