feat: add the workerType option (replaces #178) (#247)

README.md

@@ -176,6 +176,13 @@ module.exports = {
 };
 ```
 
+### workerType
+
+Type: `string`
+Default: `Worker`
+
+Set the worker type. Defaults to `Worker`. Supports `ServiceWorker`, `SharedWorker`.
+
 ## Examples
 
 ### Basic

src/options.json

@@ -12,6 +12,9 @@
     },
     "publicPath": {
       "type": "string"
+    },
+    "workerType": {
+      "type": "string"
     }
   },
   "additionalProperties": false

src/workers/InlineWorker.js

@@ -5,7 +5,18 @@
 
 var URL = window.URL || window.webkitURL;
 
-module.exports = function inlineWorker(content, url) {
+function CreateWorker(url, workerType) {
+  switch (workerType) {
+    case 'SharedWorker':
+      return new SharedWorker(url);
+    case 'ServiceWorker':
+      return new ServiceWorker(url);
+    default:
+      return new Worker(url);
+  }
+}
+
+module.exports = function inlineWorker(content, url, workerType) {
   try {
     try {
       var blob;
@@ -28,17 +39,18 @@ module.exports = function inlineWorker(content, url) {
         blob = new Blob([content]);
       }
 
-      return new Worker(URL.createObjectURL(blob));
+      return CreateWorker(URL.createObjectURL(blob), workerType);
     } catch (e) {
-      return new Worker(
-        'data:application/javascript,' + encodeURIComponent(content)
+      return CreateWorker(
+        'data:application/javascript,' + encodeURIComponent(content),
+        workerType
       );
     }
   } catch (e) {
     if (!url) {
       throw Error('Inline worker is not supported');
     }
 
-    return new Worker(url);
+    return CreateWorker(url, workerType);
   }
 };

src/workers/index.js

@@ -17,10 +17,22 @@ const getWorker = (file, content, options) => {
 
     return `require(${InlineWorkerPath})(${JSON.stringify(
       content
-    )}, ${fallbackWorkerPath})`;
+    )}, ${fallbackWorkerPath}, ${options.workerType})`;
   }
 
-  return `new Worker(${publicWorkerPath})`;
+  let worker = 'Worker';
+  switch (options.workerType) {
+    case 'SharedWorker':
+      worker = 'SharedWorker';
+      break;
+    case 'ServiceWorker':
+      worker = 'ServiceWorker';
+      break;
+    default:
+      worker = 'Worker';
+  }
+
+  return `new ${worker}(${publicWorkerPath})`;
 };
 
 export default getWorker;