electron-compile/lib/custom-operators.js

Electron supporting package to compile JS and CSS in Electron applications

'use strict';

var _Observable = require('rxjs/Observable');

var _async = require('rxjs/scheduler/async');

require('rxjs/add/observable/range');

require('rxjs/add/observable/throw');

require('rxjs/add/observable/timer');

require('rxjs/add/operator/mergeMap');

require('rxjs/add/operator/map');

require('rxjs/add/operator/retryWhen');

require('rxjs/add/operator/switch');

require('rxjs/add/operator/zip');

function retryWithDelayOrError(errors, maxRetries) {
  return _Observable.Observable.range(1, maxRetries + 1).zip(errors, (i, e) => {
    return { attempts: i, error: e };
  }).mergeMap((_ref) => {
    let attempts = _ref.attempts,
        error = _ref.error;

    return attempts <= maxRetries ? _Observable.Observable.timer(attempts * 1000) : _Observable.Observable.throw(error);
  });
}

const newCoolOperators = {
  guaranteedThrottle: function (time) {
    let scheduler = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : _async.async;

    return this.map(x => _Observable.Observable.timer(time, scheduler).map(() => x)).switch();
  },

  retryAtIntervals: function () {
    let maxRetries = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 3;

    return this.retryWhen(errors => retryWithDelayOrError(errors, maxRetries));
  }
};

for (const key of Object.keys(newCoolOperators)) {
  _Observable.Observable.prototype[key] = newCoolOperators[key];
}
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