js-harvester/utils.js

Harvester is a lightweight and highly optimized javascript library for extracting data from the DOM tree. It supports extraction of tag texts with specified types and attributes. it's tiny and has no dependencies and also works with Puppeteer

export const HARVESTER_PATH = './node_modules/js-harvester/src/harvester.js'

/**
 * Checks if a value is an Object
 * @param {*} val Value to check
 * @returns {Boolean}
 */
export function isObj (val) {
  return val !== null && typeof val === 'object'
}
/**
 * Checks if a val is a string
 * @param {*} val
 * @returns {Boolean}
 */
export function isStr (val) {
  return typeof val === 'string' || val instanceof String
}
/**
 * Checks if an argument is a function
 * @param {*} val - Value to check
 * @returns {Boolean}
 */
export function isFunc (val) {
  return typeof val === 'function'
}