@atlaskit/eslint-plugin-design-system/dist/es2019/rules/use-visually-hidden/get-object-likeness.js

The essential plugin for use with the Atlassian Design System.

import { isNodeOfType } from 'eslint-codemod-utils';
import { countMatchingKeyValues } from './count-matching-key-values';
/**
 * Given a node, translate the node into css key-value pairs and
 * compare the output to the reference styles required to make a
 * visually hidden element.
 *
 * @returns {number} A fraction between 0-1 depending on the object's likeness.
 */
export const getObjectLikeness = node => {
  const styleEntries = node.properties.filter(node => isNodeOfType(node, 'Property')).map(({
    key,
    value
  }) => {
    if (key.type === 'Identifier') {
      return {
        key: key.name,
        value: value.type === 'Literal' && value.value
      };
    }
    return null;
  }).filter(node => Boolean(node));
  return countMatchingKeyValues(styleEntries);
};