bootstrap-vue/esm/components/table/helpers/stringify-object-values.js

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import { keys } from '../../../utils/object';
import { isDate, isObject, isUndefinedOrNull } from '../../../utils/inspect';
import { toString } from '../../../utils/string'; // Recursively stringifies the values of an object, space separated, in an
// SSR safe deterministic way (keys are sorted before stringification)
//
//   ex:
//     { b: 3, c: { z: 'zzz', d: null, e: 2 }, d: [10, 12, 11], a: 'one' }
//   becomes
//     'one 3 2 zzz 10 12 11'
//
// Primitives (numbers/strings) are returned as-is
// Null and undefined values are filtered out
// Dates are converted to their native string format

var stringifyObjectValues = function stringifyObjectValues(val) {
  if (isUndefinedOrNull(val)) {
    /* istanbul ignore next */
    return '';
  } // Arrays are also object, and keys just returns the array indexes
  // Date objects we convert to strings


  if (isObject(val) && !isDate(val)) {
    return keys(val).sort() // Sort to prevent SSR issues on pre-rendered sorted tables
    .filter(function (v) {
      return !isUndefinedOrNull(v);
    }) // Ignore undefined/null values
    .map(function (k) {
      return stringifyObjectValues(val[k]);
    }).join(' ');
  }

  return toString(val);
};

export default stringifyObjectValues;