node_modules/stylelint/lib/utils/validateObjectWithArrayProps.js

/* @flow */
"use strict";

const _ = require("lodash");

/**
 * Check whether the variable is an object and all it's properties are arrays of string values:
 *
 * ignoreProperties = {
 *   value1: ["item11", "item12", "item13"],
 *   value2: ["item21", "item22", "item23"],
 *   value3: ["item31", "item32", "item33"],
 * }
 */

module.exports = (validator /*: Function */) => (
  value /*: Object*/
) /*: boolean*/ => {
  if (!_.isPlainObject(value)) {
    return false;
  }

  return Object.keys(value).every(key => {
    if (!_.isArray(value[key])) {
      return false;
    }

    // Make sure the array items are strings
    return value[key].every(item => {
      if (Array.isArray(validator)) {
        return validator.some(v => v(item));
      }

      return validator(item);
    });
  });
};