Current Dev State

static/js/ketcher2/node_modules/function-loop/index.js

@@ -0,0 +1,36 @@
+module.exports = loop
+
+// this weird little engine is to loop if the cb's keep getting
+// called synchronously, since that's faster and makes shallower
+// stack traces, but recurse if any of them don't fire this tick
+
+function loop (self, arr, cb, onerr, i) {
+  if (!i)
+    i = 0
+
+  var running = false
+  while (i < arr.length && !running) {
+    running = true
+    var sync = true
+    try {
+      var ret = arr[i].call(self, next)
+    } catch (er) {
+      return onerr.call(self,er)
+    }
+    if (ret && typeof ret.then === 'function')
+      ret.then(next.bind(self, null), onerr.bind(self))
+    i++
+    sync = false
+  }
+
+  function next (er) {
+    if (er)
+      return onerr.call(self, er)
+    else if (!sync)
+      return loop(self, arr, cb, onerr, i)
+    running = false
+  }
+
+  if (i >= arr.length && !running)
+    return cb.call(self)
+}