run snippets and fix some typos

Author: morganchen12

firestore-next/test.firestore.js

@@ -35,8 +35,9 @@ const cityConverter = {
 describe("firestore", () => {
     const { Firestore } = require("firebase/firestore");
 
-let app;
-let db;
+    /** @type {Firestore} */
+    let db;
+    let app;
 
     before(() => {
         const { initializeApp } = require("firebase/app");
@@ -1346,8 +1347,8 @@ describe("firestore-pipelines", () => {
           .where(field("population").greaterThan(100000))
           // Step 3: Sort the remaining documents
           .sort([field("name").ascending()])
-          // Step 4: Return the top 10. Note applying the limit earlier in the pipeline would have
-          // unintentional results.
+          // Step 4: Return the top 10. Note applying the limit earlier in the
+          // pipeline would have unintentional results.
           .limit(10);
         // [END pipeline_concepts]
         console.log(pipeline);
@@ -1726,7 +1727,7 @@ describe("firestore-pipelines", () => {
         // { identifier: 1, neighbors: [ "Alice", "Cathy" ], unnestedNeighbors: "Alice", index: 0 }
         // { identifier: 1, neighbors: [ "Alice", "Cathy" ], unnestedNeighbors: "Cathy", index: 1 }
         // { identifier: 3, neighbors: "Bob", index: null}
-        // [END unneest_edge_cases]
+        // [END unnest_edge_cases]
         console.log(results);
     }
 
@@ -2083,7 +2084,7 @@ describe("firestore-pipelines", () => {
     }
 
     async function lessThanOrEqualToFunction() {
-        // START less_or_equal]
+        // [START less_or_equal]
         const result = await db.pipeline()
           .collection("books")
           .select([field("rating").lessThanOrEqual(2).as("hasBadRating")])

snippets/firestore-next/test-firestore/add_function.js

@@ -0,0 +1,12 @@
+// This snippet file was generated by processing the source file:
+// ./firestore-next/test.firestore.js
+//
+// To update the snippets in this file, edit the source and then run
+// 'npm run snippets'.
+
+// [START add_function_modular]
+const result = await db.pipeline()
+  .collection("books")
+  .select([field("soldBooks").add(field("unsoldBooks")).as("totalBooks")])
+  .execute();
+// [END add_function_modular]

snippets/firestore-next/test-firestore/aggregate_distinct.js

@@ -0,0 +1,15 @@
+// This snippet file was generated by processing the source file:
+// ./firestore-next/test.firestore.js
+//
+// To update the snippets in this file, edit the source and then run
+// 'npm run snippets'.
+
+// [START aggregate_distinct_modular]
+const results = await db.pipeline()
+  .collection("books")
+  .distinct([
+    field("author").toUpper().as("author"),
+    field("genre")
+  ])
+  .execute();
+// [END aggregate_distinct_modular]

snippets/firestore-next/test-firestore/aggregate_groups.js

@@ -0,0 +1,18 @@
+// This snippet file was generated by processing the source file:
+// ./firestore-next/test.firestore.js
+//
+// To update the snippets in this file, edit the source and then run
+// 'npm run snippets'.
+
+// [START aggregate_groups_modular]
+const results = await db.pipeline()
+  .collection("books")
+  .aggregate([
+    field("rating").average().as("avg_rating")
+  ], {
+    groups: [
+      field("genre")
+    ]
+  })
+  .execute();
+// [END aggregate_groups_modular]

snippets/firestore-next/test-firestore/and_function.js

@@ -0,0 +1,15 @@
+// This snippet file was generated by processing the source file:
+// ./firestore-next/test.firestore.js
+//
+// To update the snippets in this file, edit the source and then run
+// 'npm run snippets'.
+
+// [START and_function_modular]
+const result = await db.pipeline()
+  .collection("books")
+  .select([
+    and(field("rating").greaterThan(4), (field("price").lessThan(10)))
+      .as("under10Recommendation")
+  ])
+  .execute();
+// [END and_function_modular]

snippets/firestore-next/test-firestore/array_concat.js

@@ -0,0 +1,12 @@
+// This snippet file was generated by processing the source file:
+// ./firestore-next/test.firestore.js
+//
+// To update the snippets in this file, edit the source and then run
+// 'npm run snippets'.
+
+// [START array_concat_modular]
+const result = await db.pipeline()
+  .collection("books")
+  .select([field("genre").arrayConcat([field("subGenre")]).as("allGenres")])
+  .execute();
+// [END array_concat_modular]

snippets/firestore-next/test-firestore/array_contains.js

@@ -0,0 +1,12 @@
+// This snippet file was generated by processing the source file:
+// ./firestore-next/test.firestore.js
+//
+// To update the snippets in this file, edit the source and then run
+// 'npm run snippets'.
+
+// [START array_contains_modular]
+const result = await db.pipeline()
+  .collection("books")
+  .select([field("genre").arrayContains(constant("mystery")).as("isMystery")])
+  .execute();
+// [END array_contains_modular]

snippets/firestore-next/test-firestore/array_contains_all.js

@@ -0,0 +1,16 @@
+// This snippet file was generated by processing the source file:
+// ./firestore-next/test.firestore.js
+//
+// To update the snippets in this file, edit the source and then run
+// 'npm run snippets'.
+
+// [START array_contains_all_modular]
+const result = await db.pipeline()
+  .collection("books")
+  .select([
+    field("genre")
+      .arrayContainsAll([constant("fantasy"), constant("adventure")])
+      .as("isFantasyAdventure")
+  ])
+  .execute();
+// [END array_contains_all_modular]

snippets/firestore-next/test-firestore/array_contains_any.js

@@ -0,0 +1,16 @@
+// This snippet file was generated by processing the source file:
+// ./firestore-next/test.firestore.js
+//
+// To update the snippets in this file, edit the source and then run
+// 'npm run snippets'.
+
+// [START array_contains_any_modular]
+const result = await db.pipeline()
+  .collection("books")
+  .select([
+    field("genre")
+      .arrayContainsAny([constant("fantasy"), constant("nonfiction")])
+      .as("isMysteryOrFantasy")
+  ])
+  .execute();
+// [END array_contains_any_modular]

snippets/firestore-next/test-firestore/array_length.js

@@ -0,0 +1,12 @@
+// This snippet file was generated by processing the source file:
+// ./firestore-next/test.firestore.js
+//
+// To update the snippets in this file, edit the source and then run
+// 'npm run snippets'.
+
+// [START array_length_modular]
+const result = await db.pipeline()
+  .collection("books")
+  .select([field("genre").arrayLength().as("genreCount")])
+  .execute();
+// [END array_length_modular]