addes storage-list and some supporting logic in storage-read

storage/storage-list.js

@@ -0,0 +1,48 @@
+
+
+let oldpath
+
+module.exports = function(RED) {
+
+  function FirebaseAdmin(config) {
+    RED.nodes.createNode(this, config);
+    var node = this;
+
+
+    if(config.cred){
+      let c = RED.nodes.getNode(config.cred)
+      this.admin = c.admin
+      this.storage = c.storage
+      this.bucket = config.bucket || c.bucket
+      this.path = config.path
+    }
+    this.delimiter = config.delimiter
+
+    //console.log('configuring storage-list to listen for messages')
+    node.on('input', function(msg) {
+      if(msg && msg.payload){
+        let path = msg.payload.path || this.path
+        let bucket = msg.payload.bucket || this.bucket
+        console.log('storage-list listing files from bucket "'+bucket+'" path "'+path+'"')
+        const options = {
+          prefix: path
+        };
+
+        if(this.delimiter){
+          options.delimiter = this.delimiter
+        }
+
+// Lists files in the bucket, filtered by a prefix
+        this.storage.bucket(bucket).getFiles(options).then((files)=>{
+          console.log('got file listing')
+          //console.dir(files[0])
+          let f = files[0].filter((e)=>{ return e.name[e.name.length-1] !== '/' })
+          node.send({payload: {files: f}})
+        })
+      }
+    }.bind(this));
+
+
+  }
+  RED.nodes.registerType("storage-list", FirebaseAdmin);
+}