multitude/dist/push/utils/operate.js

Comprehensive streams for push and pull

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.operate = operate;

var _Observable = require("../classes/Observable");

var _transform = require("./transform");

var _teardown = require("./teardown");

var _intercept = require("./intercept");

var _typeCore = require("type-core");

function operate(operation, options) {
  return (0, _transform.transform)(observable => {
    return new _Observable.Observable(obs => {
      const response = operation(obs);

      if (!_typeCore.TypeGuard.isArray(response)) {
        return (0, _intercept.intercept)(observable, obs, response, options);
      }

      const subscription = (0, _intercept.intercept)(observable, obs, {
        start: response[0] || undefined,
        next: response[1] || undefined,
        error: response[2] || undefined,
        complete: response[3] || undefined
      }, options);
      return () => {
        subscription.unsubscribe();
        (0, _teardown.teardown)(response[4])();
      };
    });
  });
}
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