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Updeted to ES6 arrow functions with export prefix, added production friendly cosnole.log
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‎helpers.js

+183-140
Original file line numberDiff line numberDiff line change
@@ -1,141 +1,184 @@
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/**
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* Strip object from its original. (useful for object copy)
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*
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* @param object
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* @return {{}}
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*/
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strip: function(object) {
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if (!object) return {};
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return JSON.parse(JSON.stringify(object));
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},
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/**
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*
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* @param array - target array
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* @param key - key name of object
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* @param value - matched value of given key
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* @returns {*}
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*/
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findObjectByKey: function (array, key, value) {
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for (var i = 0; i < array.length; i++) {
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if (array[i][key] === value) {
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return array[i];
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}
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}
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return null;
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},
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/**
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*
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* @param array - target array
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* @param key - key name of object
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* @param value - matched value of given key
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* @returns {*}
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*/
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deleteObjectByKey: function (array, key, value) {
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if (array.length === 0) return;
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for (var i = 0; i < array.length; i++) {
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if (array[i][key] === value) {
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array.splice(i, 1);
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}
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}
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return null;
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},
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/**
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*
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* @param url to check
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* @returns {boolean}
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*/
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isValidUrl: function(url) {
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var r = new RegExp(/^(http:\/\/www\.|https:\/\/www\.|http:\/\/|https:\/\/)?[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(:[0-9]{1,5})?(\/.*)?$/);
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return r.test(url);
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},
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/**
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* Truncate string to set number of characters.
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*
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* @param text
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* @param n
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* @return {*}
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*/
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trunc: function(text, n) {
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if (!text) return '';
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return text.length > n ? text.substr(0, n - 3) + '...' : text;
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},
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/**
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* Add comma after every three decimals in a number.
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*
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* @param value
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* @return {*}
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*/
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commaSeparateNumber: function(value) {
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while (/(\d+)(\d{3})/.test(value.toString())) {
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value = value.toString().replace(/(\d+)(\d{3})/, '$1' + ',' + '$2');
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}
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return value;
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},
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/**
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* Check if object is empty.
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*
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* @param obj
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* @return {boolean}
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*/
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isObjectEmpty(obj) {
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for (var prop in obj) {
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if (obj.hasOwnProperty(prop)) {
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return false;
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}
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}
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return true;
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},
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/**
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* Round value to given amount of decimals.
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*
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* @param value
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* @param decimals
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* @return {number}
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*/
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round: function(value, decimals) {
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let multiplier = 1;
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decimals = decimals || 8;
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multiplier = 1;
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while ((multiplier + '').length <= decimals) {
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multiplier = multiplier * 10;
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}
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return Math.round(parseFloat(value) * multiplier) / multiplier;
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},
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/**
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* Copy element value to clipboard.
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*
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* @param id
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* @return {boolean}
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*/
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copyToClipboard: function(text) {
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if (window.clipboardData && window.clipboardData.setData) {
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// IE specific code path to prevent textarea being shown while dialog is visible.
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return window.clipboardData.setData('Text', text);
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} else if (document.queryCommandSupported && document.queryCommandSupported('copy')) {
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var textarea = document.createElement('textarea');
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textarea.textContent = text;
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textarea.style.position = 'fixed'; // Prevent scrolling to bottom of page in MS Edge.
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document.body.appendChild(textarea);
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textarea.select();
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try {
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return document.execCommand('copy'); // Security exception may be thrown by some browsers.
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} catch (err) {
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this.sayHello('Copy to clipboard failed.', err); // TOAST
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return false;
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} finally {
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document.body.removeChild(textarea);
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}
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}
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/**
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* Strip object from its original. (useful for object copy)
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*
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* @param object
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* @return {{}}
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*/
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export const strip = (object) => {
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if (!object) return {};
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return JSON.parse(JSON.stringify(object));
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};
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/**
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*
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* @param array - target array
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* @param key - key name of object
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* @param value - matched value of given key
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* @returns {*}
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*/
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export const findObjectByKey = (array, key, value) => {
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for (var i = 0; i < array.length; i++) {
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if (array[i][key] === value) {
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return array[i];
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}
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}
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return null;
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};
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/**
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*
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* @param array - target array
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* @param key - key name of object
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* @param value - matched value of given key
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* @returns {*}
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*/
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export const deleteObjectByKey = (array, key, value) => {
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if (array.length === 0) return;
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for (var i = 0; i < array.length; i++) {
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if (array[i][key] === value) {
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array.splice(i, 1);
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}
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}
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return null;
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};
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/**
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*
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* @param url to check
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* @returns {boolean}
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*/
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export const isValidUrl = (url) => {
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var r = new RegExp(
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/^(http:\/\/www\.|https:\/\/www\.|http:\/\/|https:\/\/)?[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(:[0-9]{1,5})?(\/.*)?$/
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);
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return r.test(url);
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};
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/**
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* Truncate string to set number of characters.
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*
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* @param text
61+
* @param n
62+
* @return {*}
63+
*/
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export const trunc = (text, n) => {
65+
if (!text) return '';
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return text.length > n ? text.substr(0, n - 3) + '...' : text;
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};
68+
69+
/**
70+
* Add comma after every three decimals in a number.
71+
*
72+
* @param value
73+
* @return {*}
74+
*/
75+
export const commaSeparateNumber = (value) => {
76+
while (/(\d+)(\d{3})/.test(value.toString())) {
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value = value.toString().replace(/(\d+)(\d{3})/, '$1' + ',' +
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'$2');
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}
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return value;
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};
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/**
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* Check if object is empty.
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*
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* @param obj
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* @return {boolean}
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*/
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export const isObjectEmpty = (obj) => {
90+
for (var prop in obj) {
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if (obj.hasOwnProperty(prop)) {
92+
return false;
14193
}
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}
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return true;
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};
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/**
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* Round value to given amount of decimals.
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*
101+
* @param value
102+
* @param decimals
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* @return {number}
104+
*/
105+
export const round = (value, decimals) => {
106+
let multiplier = 1;
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decimals = decimals || 8;
108+
109+
multiplier = 1;
110+
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while ((multiplier + '').length <= decimals) {
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multiplier = multiplier * 10;
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}
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return Math.round(parseFloat(value) * multiplier) /
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multiplier;
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};
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/**
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* Copy element value to clipboard.
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*
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* @param id
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* @return {boolean}
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*/
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export const copyToClipboard = function(text) => {
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if (window.clipboardData && window.clipboardData.setData) {
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// IE specific code path to prevent textarea being shown while dialog is visible.
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return window.clipboardData.setData('Text', text);
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} else if (document.queryCommandSupported && document.queryCommandSupported(
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'copy')) {
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var textarea = document.createElement('textarea');
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textarea.textContent = text;
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textarea.style.position = 'fixed'; // Prevent scrolling to bottom of page in MS Edge.
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document.body.appendChild(textarea);
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textarea.select();
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try {
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return document.execCommand('copy'); // Security exception may be thrown by some browsers.
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} catch (err) {
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this.sayHello('Copy to clipboard failed.', err); // TOAST
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return false;
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} finally {
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document.body.removeChild(textarea);
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}
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}
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};
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/**
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* Production friendly console log.
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* @param content
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*/
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export const log = (content) => {
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if (process.env !== 'production') {
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console.log(content);
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}
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};
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/**
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* Sum all items in arrray.
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* @param arr
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*/
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export const sumArray = (arr) => {
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let sum = null;
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for (let i of arr) {
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sum = sum + i;
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}
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return sum;
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};
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/**
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* Native funciton to lodash's _.uniq
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* IE11+
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* @param arr
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*/
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export const uniq = (arr) => {
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return [...Set(arr)];
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}
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/**
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* Native funciton to lodash's _.fromPairs
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* @param arr
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*/
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export const fromPairs = (arr) => arr.reduce((acc, val) => (acc[val[0]] = val[1],
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acc), {})

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