node_modules

node_modules/bottleneck/src/Events.coffee

@@ -0,0 +1,38 @@
+class Events
+  constructor: (@instance) ->
+    @_events = {}
+    if @instance.on? or @instance.once? or @instance.removeAllListeners?
+      throw new Error "An Emitter already exists for this object"
+    @instance.on = (name, cb) => @_addListener name, "many", cb
+    @instance.once = (name, cb) => @_addListener name, "once", cb
+    @instance.removeAllListeners = (name=null) =>
+      if name? then delete @_events[name] else @_events = {}
+  _addListener: (name, status, cb) ->
+    @_events[name] ?= []
+    @_events[name].push {cb, status}
+    @instance
+  listenerCount: (name) ->
+    if @_events[name]? then @_events[name].length else 0
+  trigger: (name, args...) ->
+    try
+      if name != "debug" then @trigger "debug", "Event triggered: #{name}", args
+      return unless @_events[name]?
+      @_events[name] = @_events[name].filter (listener) -> listener.status != "none"
+      promises = @_events[name].map (listener) =>
+        return if listener.status == "none"
+        if listener.status == "once" then listener.status = "none"
+        try
+          returned = listener.cb?(args...)
+          if typeof returned?.then == "function"
+            await returned
+          else
+            returned
+        catch e
+          if "name" != "error" then @trigger "error", e
+          null
+      (await Promise.all promises).find (x) -> x?
+    catch e
+      if "name" != "error" then @trigger "error", e
+      null
+
+module.exports = Events