Acme.BookStore.HttpApi.Host/node_modules/sweetalert2/src/utils/utils.js

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export const consolePrefix = 'SweetAlert2:'

/**
 * Filter the unique values into a new array
 * @param arr
 */
export const uniqueArray = (arr) => {
  const result = []
  for (let i = 0; i < arr.length; i++) {
    if (result.indexOf(arr[i]) === -1) {
      result.push(arr[i])
    }
  }
  return result
}

/**
 * Capitalize the first letter of a string
 * @param str
 */
export const capitalizeFirstLetter = (str) => str.charAt(0).toUpperCase() + str.slice(1)

/**
 * Convert NodeList to Array
 * @param nodeList
 */
export const toArray = (nodeList) => Array.prototype.slice.call(nodeList)

/**
 * Standardise console warnings
 * @param message
 */
export const warn = (message) => {
  console.warn(`${consolePrefix} ${typeof message === 'object' ? message.join(' ') : message}`)
}

/**
 * Standardise console errors
 * @param message
 */
export const error = (message) => {
  console.error(`${consolePrefix} ${message}`)
}

/**
 * Private global state for `warnOnce`
 * @type {Array}
 * @private
 */
const previousWarnOnceMessages = []

/**
 * Show a console warning, but only if it hasn't already been shown
 * @param message
 */
export const warnOnce = (message) => {
  if (!previousWarnOnceMessages.includes(message)) {
    previousWarnOnceMessages.push(message)
    warn(message)
  }