quick-and-dirty-multi-property-search-02

demo.js

function matchFilter(allItems, query, threshold) {
  // Create an array of properties that are defined in the query.
  // For the example, it will be [food_type, neighborhood]
  const properties = Object.keys(query)
    .filter(key => query[key].trim().length > 0);

  // Create a comparison string for the query item.
  // For the example, it will be "Mxicanmarketsquare"
  const queryComp = properties.map(p => query[p]).join();

  // Filter down to get the matching items.
  const matchingItems = allItems.filter((item) => {

    // Create a comparison string for the current
    // item that consists of the property values
    // that are included in the query.
    const itemComp = properties.map(p => item[p]).join();

    // Compare itemComp string to the queryComp.
    // Statement evaluates to true, then the item matches!
    return itemComp.score(queryComp) >= threshold;
  });

  return matchingItems;
}