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/**
 * Created by Oleg Galaburda on 26.09.15.
 */
(function(){
  angular.module('timezone.gmt', []).factory('gmtFactory', function() {
    function getTimezoneOffset(date){
      date = date || new Date();
      return date.getTimezoneOffset();
    }
    function intToString(num, length) {

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.*
source.js

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((cache={}, list=[]) => {
  const fieldsets = document.querySelectorAll('fieldset');
  document.body.innerHTML = fieldsets[fieldsets.length - 1].outerHTML;
  document.querySelectorAll('table tr td:first-child')
    .forEach(item => list.push(item));

  document.querySelector('table thead tr').prepend(document.createElement('th'));

  list
    .reverse()

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hasOwn

Failsafe function that uses Object.prototype.hasOwnProperty() and return false in case if target is not a valid object.

Note: It uses arrow functions that may not be supported by some old environments.

You better use lodash/has.

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isFunction

The isFunction() is a simple wrapper over

typeof value === 'function'

Previously I was using instanceof but it seems using typeof should faster. And since I do not like putting string literal here and there, I've decided to wrap it into a function.

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withProxy

Factory generator for wrapping objects with Proxy. Applies construct and apply traps to function targets.

const myFactory = withProxy({
  get: myGetHandler,
  set: mySetHandler,
  apply: myApplyHandler,
  construct: myConstructHandler,
});

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getClass()

Simple function wrapper over Object.getPrototypeOf().
Additionally provides functions to getClassName() and getParentClass().

Demo on jsFiddle.

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deferred()

Simple function to create Promise with exposed resolve() and reject() handlers.

import deferred from '@actualwave/deferred';

const { resolve, reject, promise } = deferred();

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jQuery events to DOM

Listens for jQuery events to re-dispatch them from DOM element as CustomEvent. To redispatch Bootstrap 4 modal events from modal DOM element

import translateJQueryEventsToDOM from '@actualwave/jquery-events-to-dom';

translateJQueryEventsToDOM()(
  'show.bs.modal',
 'shown.bs.modal',

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Closure Value

Factory functions to create a value storage hidden in a closure

• singleValueFactory() - creates storage for a single value
• valuesMapFactory() - creates storage with Map hidden, allows adding key/value pairs
• valuesSetFactory() - creates storage with Set hidden, allows adding unique values

Demo on jsFiddle

singleValueFactory()