use playwright for e2e test

.gitignore

@@ -0,0 +1,5 @@
+node_modules/
+/test-results/
+/playwright-report/
+/blob-report/
+/playwright/.cache/

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "liveServer.settings.port": 5504
+}

package.json

@@ -0,0 +1,19 @@
+{
+  "name": "3d-tile-content-inspector",
+  "version": "1.0.0",
+  "description": "[3D tile content](https://github.com/CesiumGS/3d-tiles/blob/master/specification/README.md#tile-format-specifications) inspector.",
+  "main": "index.js",
+  "directories": {
+    "doc": "docs"
+  },
+  "scripts": {
+    "test": "npx playwright install && npx playwright test && npx playwright show-report"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "devDependencies": {
+    "@playwright/test": "^1.48.2",
+    "@types/node": "^22.9.0"
+  }
+}

playwright.config.js

@@ -0,0 +1,79 @@
+// @ts-check
+const { defineConfig, devices } = require('@playwright/test');
+
+/**
+ * Read environment variables from file.
+ * https://github.com/motdotla/dotenv
+ */
+// require('dotenv').config({ path: path.resolve(__dirname, '.env') });
+
+/**
+ * @see https://playwright.dev/docs/test-configuration
+ */
+module.exports = defineConfig({
+  testDir: './tests',
+  /* Run tests in files in parallel */
+  fullyParallel: true,
+  /* Fail the build on CI if you accidentally left test.only in the source code. */
+  forbidOnly: !!process.env.CI,
+  /* Retry on CI only */
+  retries: process.env.CI ? 2 : 0,
+  /* Opt out of parallel tests on CI. */
+  workers: process.env.CI ? 1 : undefined,
+  /* Reporter to use. See https://playwright.dev/docs/test-reporters */
+  reporter: 'html',
+  /* Shared settings for all the projects below. See https://playwright.dev/docs/api/class-testoptions. */
+  use: {
+    /* Base URL to use in actions like `await page.goto('/')`. */
+    // baseURL: 'http://127.0.0.1:3000',
+
+    /* Collect trace when retrying the failed test. See https://playwright.dev/docs/trace-viewer */
+    trace: 'on-first-retry',
+  },
+
+  /* Configure projects for major browsers */
+  projects: [
+    {
+      name: 'chromium',
+      use: { ...devices['Desktop Chrome'] },
+    },
+
+    {
+      name: 'firefox',
+      use: { ...devices['Desktop Firefox'] },
+    },
+
+    // {
+    //   name: 'webkit',
+    //   use: { ...devices['Desktop Safari'] },
+    // },
+
+    /* Test against mobile viewports. */
+    // {
+    //   name: 'Mobile Chrome',
+    //   use: { ...devices['Pixel 5'] },
+    // },
+    // {
+    //   name: 'Mobile Safari',
+    //   use: { ...devices['iPhone 12'] },
+    // },
+
+    /* Test against branded browsers. */
+    // {
+    //   name: 'Microsoft Edge',
+    //   use: { ...devices['Desktop Edge'], channel: 'msedge' },
+    // },
+    // {
+    //   name: 'Google Chrome',
+    //   use: { ...devices['Desktop Chrome'], channel: 'chrome' },
+    // },
+  ],
+
+  /* Run your local dev server before starting the tests */
+  // webServer: {
+  //   command: 'npm run start',
+  //   url: 'http://127.0.0.1:3000',
+  //   reuseExistingServer: !process.env.CI,
+  // },
+});
+

src/index.html

@@ -33,7 +33,7 @@
     <div class="ui-container">
       Load tile content(<code>.pnts</code>, <code>.b3dm</code>, <code>.i3dm</code>, <code>.cmpt</code>), <code>.glb</code> or <code>draco</code> file from:
       <ol>
-        <li><label for="url">URL(https only): </label><input type="url" id="url" /> then <button id="inspect">inspect</button> it</li>
+        <li><del><label for="url">URL(https only): </label><input disabled type="url" id="url" /> then <button id="inspect"><del>inspect</del></button> it</del></li>
         <li>local file system, <label for="file"><strong>choose a file</strong></label> <input hidden="true" type="file" id="file" accept=".pnts, .b3dm, .i3dm, .cmpt, .glb, .drc" />,</li>
         <li>drag it on window anywhere.</li>
       </ol>

src/inspect.js

@@ -100,7 +100,7 @@ function inspectDraco(arrayBuffer) {
   const bufferView = {
     byteLength: arrayBuffer.byteLength,
   };
-  const decodedDraco = decodePrimitive(arrayBuffer, bufferView, undefined, true);
+  const decodedDraco = decodePrimitive(new Uint8Array(arrayBuffer), bufferView, undefined, true);
   const attributeData = decodedDraco.attributeData;
 
   for (const attributeId in attributeData) {
@@ -109,7 +109,9 @@ function inspectDraco(arrayBuffer) {
       attribute.array = attribute.array.slice(0, 100);
     }
   }
-  decodedDraco.indexArray.typedArray = decodedDraco.indexArray.typedArray.slice(0, 100);
+  if (decodedDraco.indexArray) {
+    decodedDraco.indexArray.typedArray = decodedDraco.indexArray.typedArray?.slice(0, 100);
+  }
 
   return decodedDraco;
 }

src/parseDraco.js

@@ -122,12 +122,14 @@ function decodePrimitive(typedArray, bufferView, compressedAttributes, useDefaul
   // Decode the encoded geometry.
   let dracoGeometry;
   let status;
-  if (geometryType == decoderModule.TRIANGULAR_MESH) {
+  if (geometryType === decoderModule.TRIANGULAR_MESH) {
     dracoGeometry = new decoderModule.Mesh();
     status = decoder.DecodeBufferToMesh(buffer, dracoGeometry);
-  } else {
+  } else if (geometryType === decoderModule.POINT_CLOUD) {
     dracoGeometry = new decoderModule.PointCloud();
     status = decoder.DecodeBufferToPointCloud(buffer, dracoGeometry);
+  } else {
+    throw new Error(`unknown Draco geometry type: ${geometryType}.`);
   }
 
   if (!status.ok() || dracoGeometry.ptr === 0) {
@@ -165,6 +167,7 @@ function decodePrimitive(typedArray, bufferView, compressedAttributes, useDefaul
   }
 
   const result = {
+    geometryType: geometryType === decoderModule.TRIANGULAR_MESH ? 'TRIANGULAR_MESH' : 'POINT_CLOUD',
     attributeData: attributeData,
     indexArray: undefined,
   };
@@ -176,6 +179,27 @@ function decodePrimitive(typedArray, bufferView, compressedAttributes, useDefaul
   decoderModule.destroy(dracoGeometry);
   decoderModule.destroy(decoder);
 
+  const loggedResult = {
+    geometryType: result.geometryType,
+    attributeData: {},
+  };
+  for (const attributeName in result.attributeData) {
+    if (Object.prototype.hasOwnProperty.call(result.attributeData, attributeName)) {
+      const attribute = result.attributeData[attributeName];
+      loggedResult.attributeData[attributeName] = {
+        array: attribute.array,
+        data: attribute.data,
+      };
+    }
+  }
+  if (result.indexArray) {
+    loggedResult.indexArray = {
+      numberOfIndices: result.indexArray.numberOfIndices,
+      typedArray: result.indexArray.typedArray,
+    };
+  }
+  console.log(`draco primitive:`, loggedResult);
+
   return result;
 }