Add StorkClient helper class

helpers/stork/browser.js

@@ -0,0 +1,73 @@
+
+export class StorkClient {
+    constructor ( options = {} ) {
+
+        this.name = options.name
+        this.url = options.url
+        this.config = options.config
+
+        // Stork instance
+        this.stork = options.stork
+
+    }
+
+    setupState = 'not-setup'
+
+    get isSetup () {
+        return this.setupState === 'complete'
+    }
+
+    search ( query ) {
+        if ( !this.isSetup ) throw new Error('Not setup')
+
+        return this.stork.search( this.name, query )
+    }
+
+    // Loads the Stork executables into the browser.
+    async lazyQuery ( query ) {
+        if ( !this.isSetup ) await this.setup()
+
+        return this.search( query )
+    }
+
+    waitForSetup () {
+        return new Promise( resolve => {
+            if ( this.isSetup ) resolve()
+
+            // Start timer to check for setup
+            const timer = setInterval( () => {
+                if ( this.isSetup ) {
+                    clearInterval( timer )
+                    resolve()
+                }
+            }, 50 )
+        })
+    }
+
+    // https://github.com/jameslittle230/stork/blob/ff49f163db06734e18ab690c188b45a3c68442ae/js/main.ts#L40
+    async setup () {
+        // Prevent multiple setups
+        if ( this.setupState !== 'not-setup' ) {
+            await waitForSetup()
+            return
+        }
+
+        const {
+            initialize,
+            downloadIndex,
+        } = this.stork
+
+        const initPromise = initialize()
+        const downloadPromise = downloadIndex( this.name, this.url, this.config )
+
+        // This silly `then` call turns a [(void), (void)] into a (void), which is
+        // only necessary to make Typescript happy.
+        // You begin to wonder if you write Typescript code, or if Typescript code writes you.
+        await Promise.all([initPromise, downloadPromise]).then()
+
+        // Mark setup as complete
+        this.setupState = 'complete'
+
+        return
+    }
+}