Initialization and webpack

.gitignore

@@ -37,3 +37,4 @@ jspm_packages
 .node_repl_history
 examples/use-from-another-page/public+sw/bundle.js
 examples/use-from-another-page/public+sw/service-worker-bundle.js
+examples/use-from-another-page/dist

README.md

@@ -86,3 +86,12 @@ if ('serviceWorker' in navigator) {
     })
 }
 ```
+### Installation and testing
+
+* Clone the repo from here
+* cd to ipfs-service-worker
+* npm install
+* cd examples
+* npm run build
+* cp -r public+sw/* dist/public+sw
+

examples/use-from-another-page/package.json

@@ -5,7 +5,8 @@
   "main": "src/index.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
-    "build": "webpack"
+    "build": "webpack",
+    "builddev": "webpack -w --mode development",
   },
   "author": "David Dias <[email protected]>",
   "license": "MIT",
@@ -14,6 +15,6 @@
   },
   "devDependencies": {
     "standard": "^10.0.3",
-    "webpack": "^2.5.1"
+    "webpack": "^4.2.0",
   }
 }

examples/use-from-another-page/webpack.config.js

@@ -9,9 +9,17 @@ module.exports = {
   node: {
     fs: 'empty',
     net: 'empty',
-    tls: 'empty'
-  },
-  resolve: {
+    tls: 'empty',
+        crypto: 'empty',
+        process: true,
+        module: false,
+        clearImmediate: false,
+        Buffer: true,
+        setImmediate: false,
+        console: false
+    },
+
+    resolve: {
     alias: {
       zlib: 'browserify-zlib-next'
     }

package.json

@@ -23,8 +23,8 @@
   },
   "homepage": "https://github.com/ipfs/ipfs-service-worker#readme",
   "dependencies": {
-    "ipfs": "^0.27.7",
-    "ipfs-postmsg-proxy": "^2.3.0"
+    "ipfs": "^0.28.2",
+    "ipfs-postmsg-proxy": "^2.3.0",
   },
   "devDependencies": {
     "standard": "^10.0.3"

src/index.js

@@ -13,19 +13,33 @@ self.addEventListener('install', (event) => {
   event.waitUntil(self.skipWaiting())
 })
 
-self.addEventListener('activate', (event) => {
-  console.log('activate step')
 
-  node = new IPFS({
-    config: {
-      Addresses: {
-        Swarm: []
-      }
-    }
-  })
-  node.on('ready', () => console.log('js-ipfs node is ready'))
-  node.on('error', (err) => console.log('js-ipfs node errored', err))
+async function ipfsstart(verbose) {
+    /*    Just start IPFS - promise resolves when its started
+     */
+    const self = this;
+    return new Promise((resolve, reject) => {
+        node = new IPFS({
+            config: {
+                Addresses: {
+                    Swarm: []
+                }
+            }
+        });
+        node.on('ready', () => { resolve(); });
+        node.on('error', (err) => reject(err));
+    })
+    .then(() => node.version())
+    .then((version) => console.log('IPFS READY',version))
+    .catch((err) => {
+        console.log("Error caught in ipfsstart");
+        throw(err);
+    });
+}
 
+self.addEventListener('activate', (event) => {
+  console.log('activate step')
+  ipfsstart();  // Ignore promise
   event.waitUntil(self.clients.claim())
 })
 
@@ -41,6 +55,7 @@ self.addEventListener('fetch', (event) => {
 })
 
 async function catAndRespond (hash) {
+  if (!node) await ipfsstart();
   const data = await node.files.cat(hash)
   const headers = { status: 200, statusText: 'OK', headers: {} }
   return new Response(data, headers)