feat(dart): use final instead of var

Author: Fluf22

templates/dart/guides/search/deleteMultipleIndices.mustache

@@ -5,15 +5,15 @@ void deleteMultipleIndices() async {
   {{> snippets/init}}
 
   // List all indices
-  var indices = await {{#dynamicSnippet}}listIndicesSimple{{/dynamicSnippet}};
+  final indices = await {{#dynamicSnippet}}listIndicesSimple{{/dynamicSnippet}};
 
   // Primary indices don't have a `primary` key
-  var primaryIndices = indices.items.where((element) => element.primary == null).toList();
-  var replicaIndices = indices.items.where((element) => element.primary != null).toList();
+  final primaryIndices = indices.items.where((element) => element.primary == null).toList();
+  final replicaIndices = indices.items.where((element) => element.primary != null).toList();
 
   // Delete primary indices first
   if (primaryIndices.isNotEmpty) {
-      List<MultipleBatchRequest> requests = primaryIndices.map((element) =>
+      final List<MultipleBatchRequest> requests = primaryIndices.map((element) =>
           MultipleBatchRequest(
               action: Action.delete,
               indexName: element.name
@@ -25,7 +25,7 @@ void deleteMultipleIndices() async {
 
   // Now, delete replica indices
   if (replicaIndices.isNotEmpty) {
-      List<MultipleBatchRequest> requests = replicaIndices.map((element) =>
+      final List<MultipleBatchRequest> requests = replicaIndices.map((element) =>
           MultipleBatchRequest(
               action: Action.delete,
               indexName: element.name

templates/dart/guides/search/saveObjectsChunks.mustache

@@ -4,7 +4,7 @@ import 'dart:io';
 {{> snippets/import}}
 
 void saveObjectsChunks() async {
-  const path = '/tmp/records.json';
+  final path = '/tmp/records.json';
   final json = File(path).readAsStringSync();
   List<Map<String, dynamic>> records;
   try {
@@ -15,11 +15,11 @@ void saveObjectsChunks() async {
 
   {{> snippets/init}}
 
-  const chunkSize = 10000;
+  final chunkSize = 10000;
 
   for (var i = 0; i < records.length; i += chunkSize) {
-    var chunk = records.sublist(i, (i + chunkSize > records.length) ? records.length : i + chunkSize);
-    var batchParams = BatchWriteParams(
+    final chunk = records.sublist(i, (i + chunkSize > records.length) ? records.length : i + chunkSize);
+    final batchParams = BatchWriteParams(
       requests: chunk.map((record) =>
           BatchRequest(
             action: Action.addObject,

templates/dart/guides/search/saveObjectsMCM.mustache

@@ -7,15 +7,15 @@ List<Map<String, String>> getAllAppIDConfigurations() {
 List<Map> playlists = [/* Your records */];
 
 void saveObjectsMCM() async {
-  var configurations = getAllAppIDConfigurations();
+  final configurations = getAllAppIDConfigurations();
 
   for (var configuration in configurations) {
-    var appId = configuration['appID'] ?? "";
-    var apiKey = configuration['apiKey'] ?? "";
-    var client = SearchClient(appId: appId, apiKey: apiKey);
+    final appId = configuration['appID'] ?? "";
+    final apiKey = configuration['apiKey'] ?? "";
+    final client = SearchClient(appId: appId, apiKey: apiKey);
 
     try {
-      var batchParams = BatchWriteParams(
+      final batchParams = BatchWriteParams(
         requests: playlists
           .map((record) => BatchRequest(
           action: Action.addObject,

templates/dart/guides/search/saveObjectsModified.mustache

@@ -6,7 +6,7 @@ import 'dart:io';
  void saveObjectsModified() async {
   {{> snippets/init}}
 
-  const path = '/tmp/records.json';
+  final path = '/tmp/records.json';
   final json = File(path).readAsStringSync();
   List<Map<String, dynamic>> products;
   try {
@@ -15,7 +15,7 @@ import 'dart:io';
     throw Exception('Failed to read file at $path: $e');
   }
 
-  var records = products.map((product) {
+  final records = products.map((product) {
     final reference = product['product_reference'].toString();
     final suffixes = [
       for (int i = 1; i <= reference.length; i++)
@@ -28,7 +28,7 @@ import 'dart:io';
     return updatedProduct;
   }).toList();
 
-  var batchParams = BatchWriteParams(
+  final batchParams = BatchWriteParams(
     requests: records
         .map((record) => BatchRequest(
           action: Action.addObject,

templates/dart/guides/search/saveObjectsPublicUser.mustache

@@ -1,11 +1,11 @@
 {{> snippets/import}}
 
-var playlists = [/* Your records */];
+final playlists = [/* Your records */];
 
- void saveObjectsPublicUser() async {
+void saveObjectsPublicUser() async {
   {{> snippets/init}}
 
-  var batchParams = BatchWriteParams(
+  final batchParams = BatchWriteParams(
     requests: playlists
         .map((record) => BatchRequest(
           action: Action.addObject,

templates/dart/guides/search/savePopularRecords.mustache

@@ -3,15 +3,15 @@
 void savePopularRecords() async {
   {{> snippets/init}}
 
-  List<Map<String, dynamic>> records = [];
+  final List<Map<String, dynamic>> records = [];
 
   BrowseResponse? browseResponse;
   do {
-    var browseParams = BrowseParamsObject(hitsPerPage: 1000, cursor: browseResponse?.cursor);
+    final browseParams = BrowseParamsObject(hitsPerPage: 1000, cursor: browseResponse?.cursor);
     browseResponse = await client.browse(
         indexName: "indexName", browseParams: browseParams
     );
-    for (var hit in browseResponse.hits) {
+    for (final hit in browseResponse.hits) {
       final isPopular = hit['nbFollowers'] > 1000;
       final updatedProduct = {
         ...hit,
@@ -21,7 +21,7 @@ void savePopularRecords() async {
     }
   } while (browseResponse.cursor != null);
 
-  var batchParams = BatchWriteParams(
+  final batchParams = BatchWriteParams(
     requests: records
         .map((record) => BatchRequest(
               action: Action.addObject,

templates/dart/guides/search/saveRecentlyPublishedBooks.mustache

@@ -3,8 +3,8 @@
 void searchRecentlyPublishedBooks() async {
   {{> snippets/init}}
 
-  var dateTimestamp = DateTime.now().millisecondsSinceEpoch;
-  var searchParams = SearchParamsObject(
+  final dateTimestamp = DateTime.now().millisecondsSinceEpoch;
+  final searchParams = SearchParamsObject(
       query: "<YOUR_SEARCH_QUERY>",
       filters: "date_timestamp > $dateTimestamp"
   );