john-doherty

/**
 * Adds query params to existing URLs (inc merging duplicates)
 * @param {string} url - src URL to modify
 * @param {object} params - key/value object of params to add
 * @example
 * // returns /guides?tag=api
 * addQueryParamsToUrl('/guides?tag=hardware', { tag:'api' })
 * @example
 * // returns https://orcascan.com/guides?tag=api
 * addQueryParamsToUrl('https://orcascan.com/guides?tag=hardware', { tag: 'api' })

john-doherty

/**
 * local storage helper (takes care of casting types)
 */
var localStorageHelper = {

    /**
     * Check if item exists in local storage.
     * @param {string} key - variable name
     * @return {boolean} true if key exists, otherwise false
     */

john-doherty

/**
 * Convert a URL into a readable filename safe string
 * - sort query params
 * - remove protocol
 * - replace / with !
 * - replace ? with !!
 * - replace remaining illegal characters with -
 * @example
 *  INPUT: convertUrlToReadableFilename('https://orcascan.com/guides/how-to-scan-barcodes-into-microsoft-excel-59fd67f9');