This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| function paginate (arr, size) { | |
| return arr.reduce((acc, val, i) => { | |
| let idx = Math.floor(i / size) | |
| let page = acc[idx] || (acc[idx] = []) | |
| page.push(val) | |
| return acc | |
| }, []) | |
| } |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // create winstonLoggerInstance here, e.g. in beforeEach().... | |
| const winstonLoggerMock = jest.spyOn(winstonLoggerInstance, 'log'); | |
| serviceInstance.debug('debug sent from test'); | |
| expect(winstonLoggerMock).toHaveBeenCalled(); |
AlexPetrov7311
/ class Form.js
Created
February 7, 2020 09:27
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| export class Form { | |
| constructor(data) { | |
| this.originalData = data; | |
| for (let field in data) { | |
| this[field] = data[field]; | |
| } | |
| } | |
| data() { | |
| let data = {}; |
AlexPetrov7311
/ Yandex searchControl
Last active
June 6, 2019 06:19
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| searchControl.search('Казахстан, Алматы, ' + streetInput.value/*'4 Щербакова Алматы'*/ | |
| .then(function (res) { | |
| var geoObjectsArray =searchControl.getResultsArray(); | |
| if (geoObjectsArray.length) { | |
| // Выводит свойство name первого геообъекта из результатов запроса. | |
| return geoObjectsArray | |
| .map((item) => item.properties.getAll().metaDataProperty.GeocoderMetaData.Address.Components) | |
| .filter(item => item.find(el => el.kind === 'street')) | |
| .map(item =>{ return item.find(el => el.kind === 'street').name }) | |
| .map(name => { |
AlexPetrov7311
/ fireEvent
Created
September 5, 2018 09:20
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| function eventFire(el, etype){ | |
| if (el.fireEvent) { | |
| el.fireEvent('on' + etype); | |
| } else { | |
| var evObj = document.createEvent('Events'); | |
| evObj.initEvent(etype, true, false); | |
| el.dispatchEvent(evObj); | |
| } | |
| } |
AlexPetrov7311
/ symbols.js
Created
February 25, 2018 19:01
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| 'use strict'; | |
| let sym = Symbol(); | |
| console.log( typeof sym ); | |
| let sym2 = Symbol('name'); | |
| console.log( sym2.toString() ); | |
| let a = {}; | |
| let b = a; | |
| b.d = 2; |
AlexPetrov7311
/ gist:4b9ebe89a6c785b592699818352f7bd7
Created
December 6, 2017 13:01
watcher for variable BACKEND.components.catalogGrid
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| var watch = function (context, setter) { | |
| return function (varName, setter) { | |
| var value = undefined; | |
| Object.defineProperty(context, varName, { | |
| get: function () { return value; }, | |
| set: function (v) { | |
| value = v; | |
| console.log('Value changed! New value: ' + value); | |
| setter(value); |