updated deps

index.cjs

@@ -6,6 +6,8 @@ function createWorker(options) {
   const useFrameWorker = typeof options === "object" && options.iframe === true;
   const WebWorker = useFrameWorker === false && typeof Worker === "function" ? Worker : FrameWorker;
   const maxTiles = typeof options === "object" && typeof options.maxTiles === "number" ? options.maxTiles : Infinity;
+  const debugLevel = typeof options === "object" && typeof options.debugLevel === "number" ? options.debugLevel : 0;
+  if (debugLevel >= 1) console.log("[geotiff-tile-web-worker:createWorker] debug level is " + debugLevel);
 
   const blob = new Blob([workerString], { type: "text/javascript" });
   const blobURL = URL.createObjectURL(blob);
@@ -14,7 +16,7 @@ function createWorker(options) {
 
   let tileCount = 0;
 
-  const absolutify = (url) => {
+  const absolutify = url => {
     if (url.startsWith("/")) return location.origin + url;
 
     if (url.startsWith("./")) {
@@ -26,7 +28,7 @@ function createWorker(options) {
 
   const resolvers = {};
 
-  worker.onmessage = function (evt) {
+  worker.addEventListener("message", function (evt) {
     const { type, data = {} } = evt.data;
 
     const { id } = data;
@@ -46,7 +48,7 @@ function createWorker(options) {
     } else {
       console.error("unknown type " + type);
     }
-  };
+  });
 
   worker.clearCache = function () {
     worker.postMessage({ type: CLEAR_CACHE });
@@ -60,7 +62,7 @@ function createWorker(options) {
   };
 
   worker.createTile = function (params) {
-    const { debug_level, timeout, url, ...rest } = params;
+    const { debug_level = 0, timeout, url, ...rest } = params;
     if (debug_level >= 1) console.log("[geotiff-tile-web-worker:createTile] starting with:", params);
 
     const id = Math.pow(Math.random(), Math.random()).toString().substring(2);
@@ -74,6 +76,7 @@ function createWorker(options) {
           data: {
             id,
             url: absolutify(url),
+            debug_level,
             ...rest
           }
         };

package.json

@@ -15,7 +15,7 @@
     "build:worker": "WEBPACK_ENTRY=\"./worker.js\" WEBPACK_OUTPUT_FILENAME=\"worker.min.js\" npx webpack --config webpack.config.js",
     "build:worker-string": "node build-worker-string.js && node -r ./worker-string.js -e ''",
     "build": "npm run build:worker && npm run build:worker-string && npm run build:main",
-    "format": "npx prettier --print-width=160 --trailing-comma=none --write build-worker-string.js constants.js index.cjs worker.js",
+    "format": "npx prettier --arrow-parens=avoid --print-width=160 --trailing-comma=none --write build-worker-string.js constants.js index.cjs worker.js",
     "clean": "rm -fr worker.min.js worker-string.js index.min.js",
     "prepublish": "npm run clean && npm run format && npm run build",
     "serve": "npx srvd --debug --wait=infinity",
@@ -40,18 +40,18 @@
   "dependencies": {
     "frame-worker": "^0.1.0",
     "geotiff": "^2.0.7",
-    "geotiff-tile": "^0.10.3",
+    "geotiff-tile": "^0.11.0",
     "get-depth": "^0.0.3",
     "quick-lru": "^6.1.1"
   },
   "devDependencies": {
-    "@babel/core": "^7.20.7",
+    "@babel/core": "^7.20.12",
     "@babel/plugin-proposal-nullish-coalescing-operator": "^7.18.6",
     "@babel/plugin-proposal-optional-chaining": "^7.20.7",
     "@babel/plugin-transform-runtime": "^7.19.6",
     "@babel/preset-env": "^7.20.2",
     "@babel/runtime": "^7.20.7",
-    "babel-loader": "^9.1.0",
+    "babel-loader": "^9.1.2",
     "envisage": "^0.1.0",
     "flug": "^2.3.1",
     "srvd": "^0.6.0",

worker.js

@@ -11,22 +11,29 @@ const lru = new QuickLRU({ maxSize: 10 });
 
 function pick(obj, keys) {
   const result = {};
-  keys.forEach((key) => {
+  keys.forEach(key => {
     result[key] = obj[key];
   });
   return result;
 }
 
 function getTransferList(data) {
   const depth = getDepth(data);
-  if (depth === 1) return [data.buffer];
+  if (depth === 1) {
+    if (!data.buffer) return [];
+    return [data.buffer];
+  }
 
-  if (depth === 2) return data.map((band) => band.buffer);
+  if (depth === 2) {
+    if (!data[0].buffer) return [];
+    return data.map(band => band.buffer);
+  }
 
   if (depth === 3) {
+    if (!data[0][0].buffer) return [];
     const transferList = [];
-    data.forEach((arr1) => {
-      arr1.forEach((arr2) => {
+    data.forEach(arr1 => {
+      arr1.forEach(arr2 => {
         transferList.push(arr2.buffer);
       });
     });