Set up webpack library backed by zcash-client-backend-wasm

zcash-client-sdk-js/package.json

@@ -10,5 +10,11 @@
     "zcash"
   ],
   "author": "Jack Grigg <jack@z.cash>",
-  "license": "MIT"
+  "license": "MIT",
+  "devDependencies": {
+    "webpack": "4.33.0"
+  },
+  "dependencies": {
+    "zcash-client-backend-wasm": "file:../zcash-client-backend-wasm/pkg"
+  }
 }

zcash-client-sdk-js/src/index.js

@@ -0,0 +1,5 @@
+import * as wasm from 'zcash-client-backend-wasm'
+
+export function greet () {
+  wasm.greet()
+}

zcash-client-sdk-js/webpack.config.js

@@ -0,0 +1,10 @@
+var path = require('path')
+
+module.exports = {
+  entry: './src/index.js',
+  output: {
+    path: path.resolve(__dirname, 'dist'),
+    filename: 'zcash-client-sdk.js',
+    library: 'zcashClientSdk'
+  }
+}