capital: deleteField()

in firestore-next/test.firestore.js [818:891]
43 lines of code
1 McCabe index (conditional complexity)

                  capital: deleteField()
              });
              // [END update_delete_field]
            }

            const { doc, setDoc } = require("firebase/firestore");

            await setDoc(doc(db, 'cities', 'BJ'), { capital: true });
            await update();
        });

        describe("queries", () => {
            it("should handle simple where", () => {
                // [START simple_queries]
                // Create a reference to the cities collection
                const { collection, query, where } = require("firebase/firestore");
                const citiesRef = collection(db, "cities");

                // Create a query against the collection.
                const q = query(citiesRef, where("state", "==", "CA"));
                // [END simple_queries]
            });

            it("should handle another simple where", () => {
                // [START simple_queries_again]
                const { collection, query, where } = require("firebase/firestore");
                const citiesRef = collection(db, "cities");

                const q = query(citiesRef, where("capital", "==", true));
                // [END simple_queries_again]
            });

            it("should handle other wheres", () => {
              const { collection, query, where } = require("firebase/firestore");  
              const citiesRef = collection(db, "cities");

              // [START example_filters]
              const stateQuery = query(citiesRef, where("state", "==", "CA"));
              const populationQuery = query(citiesRef, where("population", "<", 100000));
              const nameQuery = query(citiesRef, where("name", ">=", "San Francisco"));
              // [END example_filters]

              // [START simple_query_not_equal]
              const notCapitalQuery = query(citiesRef, where("capital", "!=", false));
              // [END simple_query_not_equal]
            });

            it("should handle array-contains where", () => {
              const { collection } = require("firebase/firestore");  
              const citiesRef = collection(db, "cities");

              // [START array_contains_filter]
              const { query, where } = require("firebase/firestore");  
              const q = query(citiesRef, where("regions", "array-contains", "west_coast"));
              // [END array_contains_filter]
            });

            it("should handle an array contains any where", () => {
              const { collection } = require("firebase/firestore");  
              const citiesRef = collection(db, "cities");

              // [START array_contains_any_filter]
              const { query, where } = require("firebase/firestore");  

              const q = query(citiesRef, 
                where('regions', 'array-contains-any', ['west_coast', 'east_coast']));
              // [END array_contains_any_filter]
            });

            it("should handle an in where", () => {
              const { collection } = require("firebase/firestore");  
              const citiesRef = collection(db, "cities");

              function inFilter() {