dicom-microscopy-viewer/config/webpack/merge.js

Interactive web-based viewer for DICOM Microscopy Images

const _ = require('lodash')

// Merge two objects
// Instead of merging array objects index by index (n-th source
// item with n-th object item) it concatenates both arrays
module.exports = function (object, source) {
  const clone = _.cloneDeep(object)
  const merged = _.mergeWith(clone, source, function (objValue, srcValue, key, object, source, stack) {
    if (objValue && srcValue && _.isArray(objValue) && _.isArray(srcValue)) {
      return _.concat(objValue, srcValue)
    }
  })

  return merged
}