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86 lines
1.8 KiB
JavaScript
86 lines
1.8 KiB
JavaScript
/*
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Common utilities for all assignments
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*/
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const _ = require("underscore");
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const Utils = {};
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const REG_URL = /(\b(http|ftp|https|ftps):\/\/[-A-ZáéíóúÁÉÍÓÚ0-9+&@#\/%?=~_|!:,.;]*[-A-ZáéíóúÁÉÍÓÚ0-9+&@#\/%=~_|])/ig;
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Utils.getURL = (string) => {
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const urls = string.match(REG_URL);
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let url = null;
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if (urls instanceof Array) {
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url = urls[0];
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}
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return url;
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};
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Utils.exists = (thing) => {
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return !_.isUndefined(thing) && !_.isNull(thing);
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};
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Utils.isString = (thing) => {
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return _.isString(thing);
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};
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Utils.isObject = (thing) => {
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return _.isObject(thing);
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};
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Utils.isNumber = (thing) => {
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let number = false;
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if (Utils.exists(thing)) {
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number = typeof parseInt(thing) === "number";
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}
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return number
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};
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Utils.isArray = (thing) => {
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return _.isArray(thing);
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};
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Utils.isURL = (thing) => {
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if (Utils.isString(thing)) {
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return REG_URL.test(thing);
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}
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};
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Utils.isRegExp = (thing) => {
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return (thing instanceof RegExp);
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};
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Utils.isJSON = (thing) => {
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try {
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JSON.parse(thing);
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return true;
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} catch (e) {
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return false;
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}
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};
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Utils.search = (b, a) => {
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if (Utils.isRegExp(b)) {
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if (Utils.isString(a) && a.length > 0) {
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return b.test(a);
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} else {
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return false;
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}
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} else {
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if (Utils.isArray(a)) {
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let result = false;
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for (let item in a) {
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if (Utils.search(b, a[item])) {
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result = true;
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}
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}
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return result;
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} else {
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if (Utils.isString(a.toString())) {
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return (a.toLowerCase().indexOf(b.toLowerCase()) > -1);
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}
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}
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}
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}
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module.exports = Utils; |