index.js

const path = require('path')

const defaultOptions = {
  name: 'VueCustomTooltip',
  color: '#fff',
  background: '#000',
  borderRadius: 12,
  fontWeight: 400,
}

module.exports = (opt = {}, ctx) => {
  // Grab user options
  let userOptions = Object.assign({}, opt)

  // HEX regex: Hash, plus 3 or 6 valid characters
  const hexRegex = /^#(?:[0-9A-Fa-f]{3}|[0-9A-Fa-f]{6})$/
  // Test color for valid HEX
  if (userOptions.hasOwnProperty('color') && !hexRegex.test(userOptions.color)) {
    delete userOptions.color
  }
  // Test background for valid HEX
  if (userOptions.hasOwnProperty('background') && !hexRegex.test(userOptions.background)) {
    delete userOptions.background
  }

  // borderRadius regex: number between 1-9, then any other numbers
  const borderRadiusRegex = /^[0-9]+$/
  // Test borderRadius for integer
  if (userOptions.hasOwnProperty('borderRadius') && !borderRadiusRegex.test(userOptions.borderRadius)) {
    delete userOptions.borderRadius
  }

  // fontWeight regex: number between 1-9 followed by two zeros
  const fontWeightRegex = /^[1-9]{1}00$/
  // Test fontWeight for integer
  if (userOptions.hasOwnProperty('fontWeight') && !fontWeightRegex.test(userOptions.fontWeight)) {
    delete userOptions.fontWeight
  }

  // Merge options
  let options = Object.assign({}, defaultOptions, userOptions)

  // Mutate borderRadius
  options.borderRadius = options.borderRadius + 'px'

  return {
    enhanceAppFiles: [path.resolve(__dirname, 'enhanceAppFile.js')],
    define: {
      VUE_CUSTOM_TOOLTIP_OPTIONS: JSON.stringify(options),
    },
    globalUIComponents: options.name,
  }
}