ember-bootstrap/addon/helpers/bs-form-horiz-input-class.js

Bootstrap components for Ember.js

import { helper } from '@ember/component/helper';
import { assert } from '@ember/debug';
import { isBlank } from '@ember/utils';

export default helper(function bsFormHorizInputClass(
  [horizontalLabelGridClass] /*, named*/,
) {
  if (isBlank(horizontalLabelGridClass)) {
    return undefined;
  }

  let originalClasses = horizontalLabelGridClass.split(' ');
  let inputClasses = originalClasses.map((originalClass) => {
    let parts = originalClass.split('-');
    assert(
      'horizontalInputGridClass must match format bootstrap grid column class',
      parts.length === 3,
    );
    parts[2] = 12 - parts[2];
    return parts.join('-');
  });

  return inputClasses.join(' ');
});