feat: add live V2X Cesium preview overlay

scripts/test-v2x-cesium-overlay.js

@@ -0,0 +1,31 @@
+#!/usr/bin/env node
+"use strict";
+
+const assert = require("assert");
+const fs = require("fs");
+const path = require("path");
+const vm = require("vm");
+const { gcj02ToWgs84: referenceGcj02ToWgs84 } = require("./lib/gaode-junction-reference");
+
+const source = fs.readFileSync(path.join(__dirname, "lib", "v2x-cesium-overlay.js"), "utf8");
+const context = {
+  window: { location: new URL("https://preview.example.test/areas/fengshu/") },
+  URL,
+  console,
+};
+vm.runInNewContext(source, context, { filename: "v2x-cesium-overlay.js" });
+
+const { gcj02ToWgs84, joinUrl, md5, toWebSocketUrl } = context.window.createV2xCesiumOverlay.utils;
+assert.equal(md5(""), "d41d8cd98f00b204e9800998ecf8427e");
+assert.equal(md5("password"), "5f4dcc3b5aa765d61d8327deb882cf99");
+assert.equal(joinUrl("/api/", "/facilities/api/sys/login"), "/api/facilities/api/sys/login");
+assert.equal(joinUrl("/websocket", "network/ws/network/signal"), "/websocket/network/ws/network/signal");
+assert.equal(toWebSocketUrl("/websocket/network/ws/network/signal", "opaque token"), "wss://preview.example.test/websocket/network/ws/network/signal?authorization=opaque+token");
+
+const converted = gcj02ToWgs84([114.12864875054062, 30.460485279762146]);
+const reference = referenceGcj02ToWgs84([114.12864875054062, 30.460485279762146]);
+assert.ok(Math.abs(converted[0] - reference[0]) < 1e-12);
+assert.ok(Math.abs(converted[1] - reference[1]) < 1e-12);
+assert.deepEqual(gcj02ToWgs84([Infinity, 30]), [NaN, NaN]);
+
+console.log("V2X Cesium overlay tests passed.");