mirror of https://github.com/keeweb/keeweb.git
78 lines
1.7 KiB
JavaScript
78 lines
1.7 KiB
JavaScript
import Handlebars from 'hbs';
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/**
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* Replacements for methods that are bloated in lodash, as well as other useful helpers.
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* Lodash contains some very well written functions like throttle and debounce.
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* However we don't want to load extra 20kb of code for simple pick, shuffle, or escape.
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*/
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const escape = Handlebars.escapeExpression;
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export { escape };
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export function noop() {}
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export function shuffle(array) {
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for (let i = array.length - 1; i > 0; i--) {
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const j = Math.floor(Math.random() * (i + 1));
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[array[i], array[j]] = [array[j], array[i]];
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}
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return array;
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}
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export function pick(obj, props) {
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if (!obj) {
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return obj;
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}
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const result = {};
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for (const prop of props) {
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if (Object.prototype.hasOwnProperty.call(obj, prop)) {
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result[prop] = obj[prop];
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}
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}
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return result;
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}
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export function omit(obj, props) {
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if (!obj) {
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return obj;
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}
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const result = { ...obj };
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for (const prop of props) {
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delete result[prop];
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}
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return result;
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}
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export function omitEmpty(obj) {
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if (!obj) {
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return obj;
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}
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return Object.entries(obj).reduce((result, [key, value]) => {
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if (value) {
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result[key] = value;
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}
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return result;
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}, {});
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}
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export function mapObject(obj, fn) {
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return Object.entries(obj).reduce((result, [key, value]) => {
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result[key] = fn(value);
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return result;
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}, {});
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}
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export function isEqual(a, b) {
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if (a === b) {
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return true;
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}
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if (a instanceof Date) {
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return +a === +b;
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}
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if (a instanceof Array && b instanceof Array) {
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return a.join(',') === b.join(',');
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}
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return false;
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}
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