wonka/lib/js/src/operators/wonka_operator_tapAll.js

A fast push & pull stream library for Reason, loosely following the [callbag spec](https://github.com/callbag/callbag)

'use strict';

var Block = require("bs-platform/lib/js/block.js");
var Curry = require("bs-platform/lib/js/curry.js");

function tapAll(onStart, onPush, onEnd) {
  return (function (source) {
      return (function (sink) {
          var ended = /* record */[/* contents */false];
          return Curry._1(source, (function (signal) {
                        if (typeof signal === "number") {
                          if (ended[0]) {
                            return /* () */0;
                          } else {
                            ended[0] = true;
                            return onEnd();
                          }
                        } else if (signal.tag) {
                          onPush(signal[0]);
                          return sink(signal);
                        } else {
                          var talkback = signal[0];
                          onStart();
                          return sink(/* Start */Block.__(0, [(function (signal) {
                                            if (signal) {
                                              if (ended[0]) {
                                                return /* () */0;
                                              } else {
                                                ended[0] = true;
                                                return onEnd();
                                              }
                                            } else {
                                              return talkback(signal);
                                            }
                                          })]));
                        }
                      }));
        });
    });
}

exports.tapAll = tapAll;
/* No side effect */