first

1 files changed, 55 insertions, 0 deletions

diff --git a/node_modules/ws/examples/fileapi/public/uploader.js b/node_modules/ws/examples/fileapi/public/uploader.js
new file mode 100644
index 0000000..0c34a7f
--- /dev/null
+++ b/node_modules/ws/examples/fileapi/public/uploader.js
@@ -0,0 +1,55 @@
+function Uploader(url, cb) {
+  this.ws = new WebSocket(url);
+  if (cb) this.ws.onopen = cb;
+  this.sendQueue = [];
+  this.sending = null;
+  this.sendCallback = null;
+  this.ondone = null;
+  var self = this;
+  this.ws.onmessage = function(event) {
+    var data = JSON.parse(event.data);
+    if (data.event == 'complete') {
+      if (data.path != self.sending.path) {
+        self.sendQueue = [];
+        self.sending = null;
+        self.sendCallback = null;
+        throw new Error('Got message for wrong file!');
+      }
+      self.sending = null;
+      var callback = self.sendCallback;
+      self.sendCallback = null;
+      if (callback) callback();
+      if (self.sendQueue.length === 0 && self.ondone) self.ondone(null);
+      if (self.sendQueue.length > 0) {
+        var args = self.sendQueue.pop();
+        setTimeout(function() { self.sendFile.apply(self, args); }, 0);
+      }
+    }
+    else if (data.event == 'error') {
+      self.sendQueue = [];
+      self.sending = null;
+      var callback = self.sendCallback;
+      self.sendCallback = null;
+      var error = new Error('Server reported send error for file ' + data.path);
+      if (callback) callback(error);
+      if (self.ondone) self.ondone(error);
+    }
+  }
+}
+
+Uploader.prototype.sendFile = function(file, cb) {
+  if (this.ws.readyState != WebSocket.OPEN) throw new Error('Not connected');
+  if (this.sending) {
+    this.sendQueue.push(arguments);
+    return;
+  }
+  var fileData = { name: file.name, path: file.webkitRelativePath };
+  this.sending = fileData;
+  this.sendCallback = cb;
+  this.ws.send(JSON.stringify(fileData));
+  this.ws.send(file);
+}
+
+Uploader.prototype.close = function() {
+  this.ws.close();
+}