Working project

2024-10-09 18:40:11 -06:00 · 2024-10-09 18:40:11 -06:00 · 670cb24095
commit 670cb24095
70 changed files with 154073 additions and 0 deletions
--- a/.envrc
+++ b/.envrc
@ -0,0 +1 @@
+use flake
--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1 @@
+**/.direnv/**
--- a/README.md
+++ b/README.md
@ -0,0 +1,64 @@
+# URL Shortener Take-Home Exercise (Fullstack)
+
+## Instructions
+
+Your task is to create a URL shortener web application (similar to [bitly](https://bitly.com/) or [TinyURL](https://tinyurl.com/)). This exercise is intentionally open-ended, and you are welcome to implement your solution using the language and tech stack of your choice. If you are familiar with React & Next.js, please use those for your submission. The core functionality of the application should be expressed through your own original code.
+
+You should aim to spend no more than 2 hours on this project. If you don't complete everything in 2 hours, please submit what you have - we value your time and want to see your prioritization skills.
+
+### Application Description
+
+At the root path (e.g., http://localhost:8080/), a user should be presented with a form that allows them to input a URL. When a user submits that form, it should convert the input URL to a shortened version and present that to the user.
+
+The shortened URL should be in the format: http://localhost:8080/{slug}, where `{slug}` is a unique identifier for the original URL.
+
+When a user navigates to the shortened URL, they should be redirected to the original URL that was used to generate this shortened URL.
+
+### Minimum Requirements
+
+* Format and method of generating slugs for shortened URLs are up to you
+* Shortened URLs do not need to persist across server shutdown/startup (i.e., setting up a DB isn't necessary - server memory should suffice)
+* Only allow valid http(s) URLs
+
+If you have additional time, consider spending it on testing or UI improvements as opposed to supplemental features.
+
+## Evaluation Criteria
+
+We will be evaluating your submission based on the following:
+
+1. Functionality: Does the application work as described?
+2. Code quality: Is the code clean, well-organized, and following best practices?
+3. Error handling: How does the application handle invalid inputs or errors?
+4. Technical choices: Are the chosen technologies appropriate for the task?
+5. Documentation: Is the code well-commented and the README clear?
+
+## Deliverables
+
+Please fill out the sections below in the _README.md_ of your project and submit according to the instructions you received with this project. Your code can be sent as a zip file or a link to a repository containing your project.
+
+---
+
+## Implementation Details
+
+<!-- Provide a short description of your implementation (technologies used, brief overview of project architecture, etc.) -->
+
+## How to Run
+
+<!--
+- Include instructions on how to run your implementation locally. Be sure to include any necessary setup steps, such as installing dependencies, as well as the commands to start the application.
+-->
+
+## Testing
+
+<!-- Describe how you tested your solution (automated testing, manual testing process, screenshots, etc.) -->
+
+## Tools Used
+
+<!--
+- Describe any tools you used in developing your solution (e.g. ChatGPT for generating ideas and styles)
+- Note: The use of AI tools is not discouraged, but they should be used judiciously.
+-->
+
+---
+
+Good luck, and we look forward to reviewing your submission!
--- a/flake.lock
+++ b/flake.lock
@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1710146030,
+        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1719848872,
+        "narHash": "sha256-H3+EC5cYuq+gQW8y0lSrrDZfH71LB4DAf+TDFyvwCNA=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "00d80d13810dbfea8ab4ed1009b09100cca86ba8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
--- a/flake.nix
+++ b/flake.nix
@ -0,0 +1,29 @@
+{
+  description = "An example project using flutter";
+
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+  inputs.flake-utils.url = "github:numtide/flake-utils";
+
+  outputs = {
+    flake-utils,
+    nixpkgs,
+    ...
+  } :
+    flake-utils.lib.eachDefaultSystem (system: let
+      pkgs = import nixpkgs {
+        inherit system;
+      };
+    in {
+      devShell = pkgs.mkShell {
+          CHROME_EXECUTABLE = "${pkgs.chromium}/bin/chromium";
+          FLUTTER_ROOT = "${pkgs.flutter}";
+          buildInputs = with pkgs; [
+            flutter
+            chromium
+          ];
+          shellHook = ''
+            export PATH="$PATH":"$HOME/.pub-cache/bin" 
+          '';
+        };
+    });
+}
--- a/frontend/.gitignore
+++ b/frontend/.gitignore
@ -0,0 +1,43 @@
+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.buildlog/
+.history
+.svn/
+migrate_working_dir/
+
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# The .vscode folder contains launch configuration and tasks you configure in
+# VS Code which you may wish to be included in version control, so this line
+# is commented out by default.
+#.vscode/
+
+# Flutter/Dart/Pub related
+**/doc/api/
+**/ios/Flutter/.last_build_id
+.dart_tool/
+.flutter-plugins
+.flutter-plugins-dependencies
+.pub-cache/
+.pub/
+/build/
+
+# Symbolication related
+app.*.symbols
+
+# Obfuscation related
+app.*.map.json
+
+# Android Studio will place build artifacts here
+/android/app/debug
+/android/app/profile
+/android/app/release
--- a/frontend/.metadata
+++ b/frontend/.metadata
@ -0,0 +1,30 @@
+# This file tracks properties of this Flutter project.
+# Used by Flutter tool to assess capabilities and perform upgrades etc.
+#
+# This file should be version controlled and should not be manually edited.
+
+version:
+  revision: "nixpkgs000000000000000000000000000000000"
+  channel: "stable"
+
+project_type: app
+
+# Tracks metadata for the flutter migrate command
+migration:
+  platforms:
+    - platform: root
+      create_revision: nixpkgs000000000000000000000000000000000
+      base_revision: nixpkgs000000000000000000000000000000000
+    - platform: linux
+      create_revision: nixpkgs000000000000000000000000000000000
+      base_revision: nixpkgs000000000000000000000000000000000
+
+  # User provided section
+
+  # List of Local paths (relative to this file) that should be
+  # ignored by the migrate tool.
+  #
+  # Files that are not part of the templates will be ignored by default.
+  unmanaged_files:
+    - 'lib/main.dart'
+    - 'ios/Runner.xcodeproj/project.pbxproj'
--- a/frontend/README.md
+++ b/frontend/README.md
@ -0,0 +1,16 @@
+# frontend
+
+A new Flutter project.
+
+## Getting Started
+
+This project is a starting point for a Flutter application.
+
+A few resources to get you started if this is your first Flutter project:
+
+- [Lab: Write your first Flutter app](https://docs.flutter.dev/get-started/codelab)
+- [Cookbook: Useful Flutter samples](https://docs.flutter.dev/cookbook)
+
+For help getting started with Flutter development, view the
+[online documentation](https://docs.flutter.dev/), which offers tutorials,
+samples, guidance on mobile development, and a full API reference.
--- a/frontend/analysis_options.yaml
+++ b/frontend/analysis_options.yaml
@ -0,0 +1,261 @@
+# Specify analysis options.
+#
+# For a list of lints, see: https://dart.dev/tools/linter-rules
+# For guidelines on configuring static analysis, see:
+# https://dart.dev/tools/analysis
+#
+# There are other similar analysis options files in the flutter repos,
+# which should be kept in sync with this file:
+#
+#   - analysis_options.yaml (this file)
+#   - https://github.com/flutter/engine/blob/main/analysis_options.yaml
+#   - https://github.com/flutter/packages/blob/main/analysis_options.yaml
+#
+# This file contains the analysis options used for code in the flutter/flutter
+# repository.
+
+analyzer:
+  language:
+    strict-casts: true
+    strict-inference: true
+    strict-raw-types: true
+  errors:
+    # allow deprecated members (we do this because otherwise we have to annotate
+    # every member in every test, assert, etc, when we or the Dart SDK deprecates
+    # something (https://github.com/flutter/flutter/issues/143312)
+    deprecated_member_use: ignore
+    deprecated_member_use_from_same_package: ignore
+  exclude:
+    - "bin/cache/**"
+      # Ignore protoc generated files
+    - "dev/conductor/lib/proto/*"
+
+linter:
+  rules:
+    # This list is derived from the list of all available lints located at
+    # https://github.com/dart-lang/sdk/blob/main/pkg/linter/example/all.yaml
+    - always_declare_return_types
+    - always_put_control_body_on_new_line
+    # - always_put_required_named_parameters_first # we prefer having parameters in the same order as fields https://github.com/flutter/flutter/issues/10219
+    - always_specify_types
+    # - always_use_package_imports # we do this commonly
+    - annotate_overrides
+    - annotate_redeclares
+    # - avoid_annotating_with_dynamic # conflicts with always_specify_types
+    - avoid_bool_literals_in_conditional_expressions
+    # - avoid_catches_without_on_clauses # blocked on https://github.com/dart-lang/linter/issues/3023
+    # - avoid_catching_errors # blocked on https://github.com/dart-lang/linter/issues/4998
+    # - avoid_classes_with_only_static_members # we do this commonly for `abstract final class`es
+    - avoid_double_and_int_checks
+    - avoid_dynamic_calls
+    - avoid_empty_else
+    - avoid_equals_and_hash_code_on_mutable_classes
+    - avoid_escaping_inner_quotes
+    - avoid_field_initializers_in_const_classes
+    # - avoid_final_parameters # incompatible with prefer_final_parameters
+    - avoid_function_literals_in_foreach_calls
+    # - avoid_implementing_value_types # see https://github.com/dart-lang/linter/issues/4558
+    - avoid_init_to_null
+    - avoid_js_rounded_ints
+    # - avoid_multiple_declarations_per_line # seems to be a stylistic choice we don't subscribe to
+    - avoid_null_checks_in_equality_operators
+    # - avoid_positional_boolean_parameters # would have been nice to enable this but by now there's too many places that break it
+    - avoid_print
+    # - avoid_private_typedef_functions # we prefer having typedef (discussion in https://github.com/flutter/flutter/pull/16356)
+    - avoid_redundant_argument_values
+    - avoid_relative_lib_imports
+    - avoid_renaming_method_parameters
+    - avoid_return_types_on_setters
+    - avoid_returning_null_for_void
+    # - avoid_returning_this # there are enough valid reasons to return `this` that this lint ends up with too many false positives
+    - avoid_setters_without_getters
+    - avoid_shadowing_type_parameters
+    - avoid_single_cascade_in_expression_statements
+    - avoid_slow_async_io
+    - avoid_type_to_string
+    - avoid_types_as_parameter_names
+    # - avoid_types_on_closure_parameters # conflicts with always_specify_types
+    - avoid_unnecessary_containers
+    - avoid_unused_constructor_parameters
+    - avoid_void_async
+    # - avoid_web_libraries_in_flutter # we use web libraries in web-specific code, and our tests prevent us from using them elsewhere
+    - await_only_futures
+    - camel_case_extensions
+    - camel_case_types
+    - cancel_subscriptions
+    # - cascade_invocations # doesn't match the typical style of this repo
+    - cast_nullable_to_non_nullable
+    # - close_sinks # not reliable enough
+    - collection_methods_unrelated_type
+    - combinators_ordering
+    # - comment_references # blocked on https://github.com/dart-lang/linter/issues/1142
+    - conditional_uri_does_not_exist
+    # - constant_identifier_names # needs an opt-out https://github.com/dart-lang/linter/issues/204
+    - control_flow_in_finally
+    - curly_braces_in_flow_control_structures
+    - dangling_library_doc_comments
+    - depend_on_referenced_packages
+    - deprecated_consistency
+    # - deprecated_member_use_from_same_package # we allow self-references to deprecated members
+    # - diagnostic_describe_all_properties # enabled only at the framework level (packages/flutter/lib)
+    - directives_ordering
+    # - discarded_futures # too many false positives, similar to unawaited_futures
+    # - do_not_use_environment # there are appropriate times to use the environment, especially in our tests and build logic
+    # - document_ignores # not yet tested
+    - empty_catches
+    - empty_constructor_bodies
+    - empty_statements
+    - eol_at_end_of_file
+    - exhaustive_cases
+    - file_names
+    - flutter_style_todos
+    - hash_and_equals
+    - implementation_imports
+    - implicit_call_tearoffs
+    - implicit_reopen
+    - invalid_case_patterns
+    - invalid_runtime_check_with_js_interop_types
+    # - join_return_with_assignment # not required by flutter style
+    - leading_newlines_in_multiline_strings
+    - library_annotations
+    - library_names
+    - library_prefixes
+    - library_private_types_in_public_api
+    # - lines_longer_than_80_chars # not required by flutter style
+    - literal_only_boolean_expressions
+    # - matching_super_parameters # blocked on https://github.com/dart-lang/language/issues/2509
+    - missing_code_block_language_in_doc_comment
+    - missing_whitespace_between_adjacent_strings
+    - no_adjacent_strings_in_list
+    - no_default_cases
+    - no_duplicate_case_values
+    - no_leading_underscores_for_library_prefixes
+    - no_leading_underscores_for_local_identifiers
+    - no_literal_bool_comparisons
+    - no_logic_in_create_state
+    # - no_runtimeType_toString # ok in tests; we enable this only in packages/
+    - no_self_assignments
+    - no_wildcard_variable_uses
+    - non_constant_identifier_names
+    - noop_primitive_operations
+    - null_check_on_nullable_type_parameter
+    - null_closures
+    # - omit_local_variable_types # opposite of always_specify_types
+    # - omit_obvious_local_variable_types # not yet tested
+    # - one_member_abstracts # too many false positives
+    - only_throw_errors # this does get disabled in a few places where we have legacy code that uses strings et al
+    - overridden_fields
+    - package_api_docs
+    - package_names
+    - package_prefixed_library_names
+    # - parameter_assignments # we do this commonly
+    - prefer_adjacent_string_concatenation
+    - prefer_asserts_in_initializer_lists
+    # - prefer_asserts_with_message # not required by flutter style
+    - prefer_collection_literals
+    - prefer_conditional_assignment
+    - prefer_const_constructors
+    - prefer_const_constructors_in_immutables
+    - prefer_const_declarations
+    - prefer_const_literals_to_create_immutables
+    # - prefer_constructors_over_static_methods # far too many false positives
+    - prefer_contains
+    # - prefer_double_quotes # opposite of prefer_single_quotes
+    # - prefer_expression_function_bodies # conflicts with ./docs/contributing/Style-guide-for-Flutter-repo.md#consider-using--for-short-functions-and-methods
+    - prefer_final_fields
+    - prefer_final_in_for_each
+    - prefer_final_locals
+    # - prefer_final_parameters # adds too much verbosity
+    - prefer_for_elements_to_map_fromIterable
+    - prefer_foreach
+    - prefer_function_declarations_over_variables
+    - prefer_generic_function_type_aliases
+    - prefer_if_elements_to_conditional_expressions
+    - prefer_if_null_operators
+    - prefer_initializing_formals
+    - prefer_inlined_adds
+    # - prefer_int_literals # conflicts with ./docs/contributing/Style-guide-for-Flutter-repo.md#use-double-literals-for-double-constants
+    - prefer_interpolation_to_compose_strings
+    - prefer_is_empty
+    - prefer_is_not_empty
+    - prefer_is_not_operator
+    - prefer_iterable_whereType
+    - prefer_mixin
+    # - prefer_null_aware_method_calls # "call()" is confusing to people new to the language since it's not documented anywhere
+    - prefer_null_aware_operators
+    - prefer_relative_imports
+    - prefer_single_quotes
+    - prefer_spread_collections
+    - prefer_typing_uninitialized_variables
+    - prefer_void_to_null
+    - provide_deprecation_message
+    # - public_member_api_docs # enabled on a case-by-case basis; see e.g. packages/analysis_options.yaml
+    - recursive_getters
+    # - require_trailing_commas # would be nice, but requires a lot of manual work: 10,000+ code locations would need to be reformatted by hand after bulk fix is applied
+    - secure_pubspec_urls
+    - sized_box_for_whitespace
+    - sized_box_shrink_expand
+    - slash_for_doc_comments
+    - sort_child_properties_last
+    - sort_constructors_first
+    # - sort_pub_dependencies # prevents separating pinned transitive dependencies
+    - sort_unnamed_constructors_first
+    # - specify_nonobvious_local_variable_types # not yet tested
+    - test_types_in_equals
+    - throw_in_finally
+    - tighten_type_of_initializing_formals
+    # - type_annotate_public_apis # subset of always_specify_types
+    - type_init_formals
+    - type_literal_in_constant_pattern
+    # - unawaited_futures # too many false positives, especially with the way AnimationController works
+    # - unintended_html_in_doc_comment # blocked on https://github.com/dart-lang/linter/issues/5065
+    - unnecessary_await_in_return
+    - unnecessary_brace_in_string_interps
+    - unnecessary_breaks
+    - unnecessary_const
+    - unnecessary_constructor_name
+    # - unnecessary_final # conflicts with prefer_final_locals
+    - unnecessary_getters_setters
+    # - unnecessary_lambdas # has false positives: https://github.com/dart-lang/linter/issues/498
+    - unnecessary_late
+    - unnecessary_library_directive
+    # - unnecessary_library_name # blocked on https://github.com/dart-lang/lints/issues/181#issuecomment-2018919034
+    - unnecessary_new
+    - unnecessary_null_aware_assignments
+    - unnecessary_null_aware_operator_on_extension_on_nullable
+    - unnecessary_null_checks
+    - unnecessary_null_in_if_null_operators
+    - unnecessary_nullable_for_final_variable_declarations
+    - unnecessary_overrides
+    - unnecessary_parenthesis
+    # - unnecessary_raw_strings # what's "necessary" is a matter of opinion; consistency across strings can help readability more than this lint
+    - unnecessary_statements
+    - unnecessary_string_escapes
+    - unnecessary_string_interpolations
+    - unnecessary_this
+    - unnecessary_to_list_in_spreads
+    - unreachable_from_main
+    - unrelated_type_equality_checks
+    - unsafe_html
+    - use_build_context_synchronously
+    - use_colored_box
+    # - use_decorated_box # leads to bugs: DecoratedBox and Container are not equivalent (Container inserts extra padding)
+    - use_enums
+    - use_full_hex_values_for_flutter_colors
+    - use_function_type_syntax_for_parameters
+    - use_if_null_to_convert_nulls_to_bools
+    - use_is_even_rather_than_modulo
+    - use_key_in_widget_constructors
+    - use_late_for_private_fields_and_variables
+    - use_named_constants
+    - use_raw_strings
+    - use_rethrow_when_possible
+    - use_setters_to_change_properties
+    # - use_string_buffers # has false positives: https://github.com/dart-lang/sdk/issues/34182
+    - use_string_in_part_of_directives
+    - use_super_parameters
+    - use_test_throws_matchers
+    # - use_to_and_as_if_applicable # has false positives, so we prefer to catch this by code-review
+    - use_truncating_division
+    - valid_regexps
+    - void_checks
--- a/frontend/lib/main.dart
+++ b/frontend/lib/main.dart
@ -0,0 +1,165 @@
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import 'package:url_launcher/url_launcher.dart';
+
+import 'shorten_service.dart';
+
+void main() {
+  runApp(const MyApp());
+}
+
+class MyApp extends StatelessWidget {
+  const MyApp({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return const MaterialApp(
+      debugShowCheckedModeBanner: false,
+      home: Home(),
+    );
+  }
+}
+
+class Home extends StatefulWidget {
+  const Home({super.key});
+
+  @override
+  State<Home> createState() => _HomeState();
+}
+
+class _HomeState extends State<Home> {
+  late final TextEditingController controller;
+  final GlobalKey<FormState> formKey = GlobalKey<FormState>();
+  String? shortenedUrl;
+  bool loading = false;
+
+  @override
+  void initState() {
+    super.initState();
+    controller = TextEditingController();
+  }
+
+  @override
+  void dispose() {
+    super.dispose();
+    controller.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: Center(
+        child: Stack(
+          children: <Widget>[
+            Column(
+              mainAxisAlignment: MainAxisAlignment.center,
+              children: <Widget>[
+                const Text(
+                  'Url shortner',
+                  style: TextStyle(fontSize: 24),
+                ),
+                Row(
+                  mainAxisAlignment: MainAxisAlignment.center,
+                  children: <Widget>[
+                    const SizedBox(width: 30),
+                    ConstrainedBox(
+                      constraints: const BoxConstraints(maxWidth: 300),
+                      child: Form(
+                        key: formKey,
+                        child: TextFormField(
+                          controller: controller,
+                          onFieldSubmitted: loading ? null : (_) => processUrl(),
+                          validator: (String? url) {
+                            try {
+                              if (url == null || url.isEmpty) {
+                                return 'No url entered.';
+                              }
+                              final Uri uri = Uri.parse(url);
+                              if (!uri.hasScheme || (!uri.isScheme('HTTP') && !uri.isScheme('HTTPS'))) {
+                                throw const FormatException();
+                              }
+                              return null;
+                            } on FormatException {
+                              return 'Bad URL';
+                            }
+                          },
+                        ),
+                      ),
+                    ),
+                    IconButton(
+                      icon: const Icon(Icons.arrow_circle_right_rounded),
+                      onPressed: loading ? null : () => processUrl(),
+                    ),
+                  ],
+                ),
+                AnimatedOpacity(
+                  opacity: shortenedUrl == null ? 0.0 : 1.0,
+                  duration: const Duration(milliseconds: 200),
+                  child: Padding(
+                    padding: const EdgeInsets.only(top: 14.0),
+                    child: Column(
+                      children: <Widget>[
+                        const Text('Short URL:'),
+                        InkWell(
+                          onTap: shortenedUrl == null ? null : () => launchUrl(Uri.parse(shortenedUrl!)),
+                          child: Text(
+                            shortenedUrl ?? '',
+                            style: const TextStyle(color: Colors.blue, fontSize: 24),
+                          ),
+                        ),
+                      ],
+                    ),
+                  ),
+                ),
+              ],
+            ),
+            Center(
+              child: AnimatedOpacity(
+                opacity: loading ? 1.0 : 0.0,
+                duration: const Duration(milliseconds: 200),
+                child: const CircularProgressIndicator(),
+              ),
+            )
+          ],
+        ),
+      ),
+    );
+  }
+
+  Future<void> processUrl() async {
+    try {
+      assert(formKey.currentState != null, 'Could not validate form, formKey currentState is null');
+
+      if (loading) {
+        return;
+      }
+      setState(() => loading = true);
+      final bool isValid = formKey.currentState!.validate();
+
+      if (!isValid) {
+        setState(() => loading = false);
+        return;
+      }
+
+      final String? shortUrl = await shortenUrl(controller.text);
+      if (shortUrl != null) {
+        setState(() {
+          shortenedUrl = shortUrl;
+          loading = false;
+        });
+      } else {
+        // show error
+        setState(() {
+          shortenedUrl = null;
+          loading = false;
+        });
+      }
+    } catch (err, st) {
+      if (kDebugMode) {
+        print(st);
+        print('An error occurred trying to shorten the url: $err');
+      }
+      setState(() => loading = false);
+    }
+  }
+}
--- a/frontend/lib/shorten_service.dart
+++ b/frontend/lib/shorten_service.dart
@ -0,0 +1,23 @@
+import 'dart:convert';
+
+import 'package:dio/dio.dart';
+import 'package:flutter/foundation.dart';
+
+BaseOptions dioOptions = BaseOptions(baseUrl: 'http://localhost:8080');
+
+Future<String?> shortenUrl(String url) async {
+  try {
+    assert(url.isNotEmpty);
+    final Response<String> res = await Dio(dioOptions).post('/', data: <String, String>{'url': url});
+    final Map<String, dynamic> json = jsonDecode(res.data ?? '') as Map<String, dynamic>;
+    print(json);
+    return json['url'] as String?;
+  } catch (err, st) {
+    if (kDebugMode) {
+      print('Encountered an error:');
+      print(st);
+      print(err);
+    }
+    return null;
+  }
+}
--- a/frontend/lib/shrink_ray.dart
+++ b/frontend/lib/shrink_ray.dart
@ -0,0 +1 @@
+class ShrinkRay {}
--- a/frontend/linux/.gitignore
+++ b/frontend/linux/.gitignore
@ -0,0 +1 @@
+flutter/ephemeral
--- a/frontend/linux/CMakeLists.txt
+++ b/frontend/linux/CMakeLists.txt
@ -0,0 +1,145 @@
+# Project-level configuration.
+cmake_minimum_required(VERSION 3.10)
+project(runner LANGUAGES CXX)
+
+# The name of the executable created for the application. Change this to change
+# the on-disk name of your application.
+set(BINARY_NAME "frontend")
+# The unique GTK application identifier for this application. See:
+# https://wiki.gnome.org/HowDoI/ChooseApplicationID
+set(APPLICATION_ID "com.example.frontend")
+
+# Explicitly opt in to modern CMake behaviors to avoid warnings with recent
+# versions of CMake.
+cmake_policy(SET CMP0063 NEW)
+
+# Load bundled libraries from the lib/ directory relative to the binary.
+set(CMAKE_INSTALL_RPATH "$ORIGIN/lib")
+
+# Root filesystem for cross-building.
+if(FLUTTER_TARGET_PLATFORM_SYSROOT)
+  set(CMAKE_SYSROOT ${FLUTTER_TARGET_PLATFORM_SYSROOT})
+  set(CMAKE_FIND_ROOT_PATH ${CMAKE_SYSROOT})
+  set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+  set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
+  set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+  set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+endif()
+
+# Define build configuration options.
+if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+  set(CMAKE_BUILD_TYPE "Debug" CACHE
+    STRING "Flutter build mode" FORCE)
+  set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
+    "Debug" "Profile" "Release")
+endif()
+
+# Compilation settings that should be applied to most targets.
+#
+# Be cautious about adding new options here, as plugins use this function by
+# default. In most cases, you should add new options to specific targets instead
+# of modifying this function.
+function(APPLY_STANDARD_SETTINGS TARGET)
+  target_compile_features(${TARGET} PUBLIC cxx_std_14)
+  target_compile_options(${TARGET} PRIVATE -Wall -Werror)
+  target_compile_options(${TARGET} PRIVATE "$<$<NOT:$<CONFIG:Debug>>:-O3>")
+  target_compile_definitions(${TARGET} PRIVATE "$<$<NOT:$<CONFIG:Debug>>:NDEBUG>")
+endfunction()
+
+# Flutter library and tool build rules.
+set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter")
+add_subdirectory(${FLUTTER_MANAGED_DIR})
+
+# System-level dependencies.
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0)
+
+add_definitions(-DAPPLICATION_ID="${APPLICATION_ID}")
+
+# Define the application target. To change its name, change BINARY_NAME above,
+# not the value here, or `flutter run` will no longer work.
+#
+# Any new source files that you add to the application should be added here.
+add_executable(${BINARY_NAME}
+  "main.cc"
+  "my_application.cc"
+  "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc"
+)
+
+# Apply the standard set of build settings. This can be removed for applications
+# that need different build settings.
+apply_standard_settings(${BINARY_NAME})
+
+# Add dependency libraries. Add any application-specific dependencies here.
+target_link_libraries(${BINARY_NAME} PRIVATE flutter)
+target_link_libraries(${BINARY_NAME} PRIVATE PkgConfig::GTK)
+
+# Run the Flutter tool portions of the build. This must not be removed.
+add_dependencies(${BINARY_NAME} flutter_assemble)
+
+# Only the install-generated bundle's copy of the executable will launch
+# correctly, since the resources must in the right relative locations. To avoid
+# people trying to run the unbundled copy, put it in a subdirectory instead of
+# the default top-level location.
+set_target_properties(${BINARY_NAME}
+  PROPERTIES
+  RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/intermediates_do_not_run"
+)
+
+
+# Generated plugin build rules, which manage building the plugins and adding
+# them to the application.
+include(flutter/generated_plugins.cmake)
+
+
+# === Installation ===
+# By default, "installing" just makes a relocatable bundle in the build
+# directory.
+set(BUILD_BUNDLE_DIR "${PROJECT_BINARY_DIR}/bundle")
+if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
+  set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE)
+endif()
+
+# Start with a clean build bundle directory every time.
+install(CODE "
+  file(REMOVE_RECURSE \"${BUILD_BUNDLE_DIR}/\")
+  " COMPONENT Runtime)
+
+set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data")
+set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib")
+
+install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}"
+  COMPONENT Runtime)
+
+install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
+  COMPONENT Runtime)
+
+install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+  COMPONENT Runtime)
+
+foreach(bundled_library ${PLUGIN_BUNDLED_LIBRARIES})
+  install(FILES "${bundled_library}"
+    DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+    COMPONENT Runtime)
+endforeach(bundled_library)
+
+# Copy the native assets provided by the build.dart from all packages.
+set(NATIVE_ASSETS_DIR "${PROJECT_BUILD_DIR}native_assets/linux/")
+install(DIRECTORY "${NATIVE_ASSETS_DIR}"
+   DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+   COMPONENT Runtime)
+
+# Fully re-copy the assets directory on each build to avoid having stale files
+# from a previous install.
+set(FLUTTER_ASSET_DIR_NAME "flutter_assets")
+install(CODE "
+  file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\")
+  " COMPONENT Runtime)
+install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}"
+  DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime)
+
+# Install the AOT library on non-Debug builds only.
+if(NOT CMAKE_BUILD_TYPE MATCHES "Debug")
+  install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+    COMPONENT Runtime)
+endif()
--- a/frontend/linux/flutter/CMakeLists.txt
+++ b/frontend/linux/flutter/CMakeLists.txt
@ -0,0 +1,88 @@
+# This file controls Flutter-level build steps. It should not be edited.
+cmake_minimum_required(VERSION 3.10)
+
+set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral")
+
+# Configuration provided via flutter tool.
+include(${EPHEMERAL_DIR}/generated_config.cmake)
+
+# TODO: Move the rest of this into files in ephemeral. See
+# https://github.com/flutter/flutter/issues/57146.
+
+# Serves the same purpose as list(TRANSFORM ... PREPEND ...),
+# which isn't available in 3.10.
+function(list_prepend LIST_NAME PREFIX)
+    set(NEW_LIST "")
+    foreach(element ${${LIST_NAME}})
+        list(APPEND NEW_LIST "${PREFIX}${element}")
+    endforeach(element)
+    set(${LIST_NAME} "${NEW_LIST}" PARENT_SCOPE)
+endfunction()
+
+# === Flutter Library ===
+# System-level dependencies.
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0)
+pkg_check_modules(GLIB REQUIRED IMPORTED_TARGET glib-2.0)
+pkg_check_modules(GIO REQUIRED IMPORTED_TARGET gio-2.0)
+
+set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/libflutter_linux_gtk.so")
+
+# Published to parent scope for install step.
+set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE)
+set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE)
+set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE)
+set(AOT_LIBRARY "${PROJECT_DIR}/build/lib/libapp.so" PARENT_SCOPE)
+
+list(APPEND FLUTTER_LIBRARY_HEADERS
+  "fl_basic_message_channel.h"
+  "fl_binary_codec.h"
+  "fl_binary_messenger.h"
+  "fl_dart_project.h"
+  "fl_engine.h"
+  "fl_json_message_codec.h"
+  "fl_json_method_codec.h"
+  "fl_message_codec.h"
+  "fl_method_call.h"
+  "fl_method_channel.h"
+  "fl_method_codec.h"
+  "fl_method_response.h"
+  "fl_plugin_registrar.h"
+  "fl_plugin_registry.h"
+  "fl_standard_message_codec.h"
+  "fl_standard_method_codec.h"
+  "fl_string_codec.h"
+  "fl_value.h"
+  "fl_view.h"
+  "flutter_linux.h"
+)
+list_prepend(FLUTTER_LIBRARY_HEADERS "${EPHEMERAL_DIR}/flutter_linux/")
+add_library(flutter INTERFACE)
+target_include_directories(flutter INTERFACE
+  "${EPHEMERAL_DIR}"
+)
+target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}")
+target_link_libraries(flutter INTERFACE
+  PkgConfig::GTK
+  PkgConfig::GLIB
+  PkgConfig::GIO
+)
+add_dependencies(flutter flutter_assemble)
+
+# === Flutter tool backend ===
+# _phony_ is a non-existent file to force this command to run every time,
+# since currently there's no way to get a full input/output list from the
+# flutter tool.
+add_custom_command(
+  OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS}
+    ${CMAKE_CURRENT_BINARY_DIR}/_phony_
+  COMMAND ${CMAKE_COMMAND} -E env
+    ${FLUTTER_TOOL_ENVIRONMENT}
+    "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.sh"
+      ${FLUTTER_TARGET_PLATFORM} ${CMAKE_BUILD_TYPE}
+  VERBATIM
+)
+add_custom_target(flutter_assemble DEPENDS
+  "${FLUTTER_LIBRARY}"
+  ${FLUTTER_LIBRARY_HEADERS}
+)
--- a/frontend/linux/flutter/generated_plugin_registrant.cc
+++ b/frontend/linux/flutter/generated_plugin_registrant.cc
@ -0,0 +1,15 @@
+//
+//  Generated file. Do not edit.
+//
+
+// clang-format off
+
+#include "generated_plugin_registrant.h"
+
+#include <url_launcher_linux/url_launcher_plugin.h>
+
+void fl_register_plugins(FlPluginRegistry* registry) {
+  g_autoptr(FlPluginRegistrar) url_launcher_linux_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "UrlLauncherPlugin");
+  url_launcher_plugin_register_with_registrar(url_launcher_linux_registrar);
+}
--- a/frontend/linux/flutter/generated_plugin_registrant.h
+++ b/frontend/linux/flutter/generated_plugin_registrant.h
@ -0,0 +1,15 @@
+//
+//  Generated file. Do not edit.
+//
+
+// clang-format off
+
+#ifndef GENERATED_PLUGIN_REGISTRANT_
+#define GENERATED_PLUGIN_REGISTRANT_
+
+#include <flutter_linux/flutter_linux.h>
+
+// Registers Flutter plugins.
+void fl_register_plugins(FlPluginRegistry* registry);
+
+#endif  // GENERATED_PLUGIN_REGISTRANT_
--- a/frontend/linux/flutter/generated_plugins.cmake
+++ b/frontend/linux/flutter/generated_plugins.cmake
@ -0,0 +1,24 @@
+#
+# Generated file, do not edit.
+#
+
+list(APPEND FLUTTER_PLUGIN_LIST
+  url_launcher_linux
+)
+
+list(APPEND FLUTTER_FFI_PLUGIN_LIST
+)
+
+set(PLUGIN_BUNDLED_LIBRARIES)
+
+foreach(plugin ${FLUTTER_PLUGIN_LIST})
+  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/linux plugins/${plugin})
+  target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin)
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES $<TARGET_FILE:${plugin}_plugin>)
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries})
+endforeach(plugin)
+
+foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST})
+  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/linux plugins/${ffi_plugin})
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries})
+endforeach(ffi_plugin)
--- a/frontend/linux/main.cc
+++ b/frontend/linux/main.cc
@ -0,0 +1,6 @@
+#include "my_application.h"
+
+int main(int argc, char** argv) {
+  g_autoptr(MyApplication) app = my_application_new();
+  return g_application_run(G_APPLICATION(app), argc, argv);
+}
--- a/frontend/linux/my_application.cc
+++ b/frontend/linux/my_application.cc
@ -0,0 +1,124 @@
+#include "my_application.h"
+
+#include <flutter_linux/flutter_linux.h>
+#ifdef GDK_WINDOWING_X11
+#include <gdk/gdkx.h>
+#endif
+
+#include "flutter/generated_plugin_registrant.h"
+
+struct _MyApplication {
+  GtkApplication parent_instance;
+  char** dart_entrypoint_arguments;
+};
+
+G_DEFINE_TYPE(MyApplication, my_application, GTK_TYPE_APPLICATION)
+
+// Implements GApplication::activate.
+static void my_application_activate(GApplication* application) {
+  MyApplication* self = MY_APPLICATION(application);
+  GtkWindow* window =
+      GTK_WINDOW(gtk_application_window_new(GTK_APPLICATION(application)));
+
+  // Use a header bar when running in GNOME as this is the common style used
+  // by applications and is the setup most users will be using (e.g. Ubuntu
+  // desktop).
+  // If running on X and not using GNOME then just use a traditional title bar
+  // in case the window manager does more exotic layout, e.g. tiling.
+  // If running on Wayland assume the header bar will work (may need changing
+  // if future cases occur).
+  gboolean use_header_bar = TRUE;
+#ifdef GDK_WINDOWING_X11
+  GdkScreen* screen = gtk_window_get_screen(window);
+  if (GDK_IS_X11_SCREEN(screen)) {
+    const gchar* wm_name = gdk_x11_screen_get_window_manager_name(screen);
+    if (g_strcmp0(wm_name, "GNOME Shell") != 0) {
+      use_header_bar = FALSE;
+    }
+  }
+#endif
+  if (use_header_bar) {
+    GtkHeaderBar* header_bar = GTK_HEADER_BAR(gtk_header_bar_new());
+    gtk_widget_show(GTK_WIDGET(header_bar));
+    gtk_header_bar_set_title(header_bar, "frontend");
+    gtk_header_bar_set_show_close_button(header_bar, TRUE);
+    gtk_window_set_titlebar(window, GTK_WIDGET(header_bar));
+  } else {
+    gtk_window_set_title(window, "frontend");
+  }
+
+  gtk_window_set_default_size(window, 1280, 720);
+  gtk_widget_show(GTK_WIDGET(window));
+
+  g_autoptr(FlDartProject) project = fl_dart_project_new();
+  fl_dart_project_set_dart_entrypoint_arguments(project, self->dart_entrypoint_arguments);
+
+  FlView* view = fl_view_new(project);
+  gtk_widget_show(GTK_WIDGET(view));
+  gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(view));
+
+  fl_register_plugins(FL_PLUGIN_REGISTRY(view));
+
+  gtk_widget_grab_focus(GTK_WIDGET(view));
+}
+
+// Implements GApplication::local_command_line.
+static gboolean my_application_local_command_line(GApplication* application, gchar*** arguments, int* exit_status) {
+  MyApplication* self = MY_APPLICATION(application);
+  // Strip out the first argument as it is the binary name.
+  self->dart_entrypoint_arguments = g_strdupv(*arguments + 1);
+
+  g_autoptr(GError) error = nullptr;
+  if (!g_application_register(application, nullptr, &error)) {
+     g_warning("Failed to register: %s", error->message);
+     *exit_status = 1;
+     return TRUE;
+  }
+
+  g_application_activate(application);
+  *exit_status = 0;
+
+  return TRUE;
+}
+
+// Implements GApplication::startup.
+static void my_application_startup(GApplication* application) {
+  //MyApplication* self = MY_APPLICATION(object);
+
+  // Perform any actions required at application startup.
+
+  G_APPLICATION_CLASS(my_application_parent_class)->startup(application);
+}
+
+// Implements GApplication::shutdown.
+static void my_application_shutdown(GApplication* application) {
+  //MyApplication* self = MY_APPLICATION(object);
+
+  // Perform any actions required at application shutdown.
+
+  G_APPLICATION_CLASS(my_application_parent_class)->shutdown(application);
+}
+
+// Implements GObject::dispose.
+static void my_application_dispose(GObject* object) {
+  MyApplication* self = MY_APPLICATION(object);
+  g_clear_pointer(&self->dart_entrypoint_arguments, g_strfreev);
+  G_OBJECT_CLASS(my_application_parent_class)->dispose(object);
+}
+
+static void my_application_class_init(MyApplicationClass* klass) {
+  G_APPLICATION_CLASS(klass)->activate = my_application_activate;
+  G_APPLICATION_CLASS(klass)->local_command_line = my_application_local_command_line;
+  G_APPLICATION_CLASS(klass)->startup = my_application_startup;
+  G_APPLICATION_CLASS(klass)->shutdown = my_application_shutdown;
+  G_OBJECT_CLASS(klass)->dispose = my_application_dispose;
+}
+
+static void my_application_init(MyApplication* self) {}
+
+MyApplication* my_application_new() {
+  return MY_APPLICATION(g_object_new(my_application_get_type(),
+                                     "application-id", APPLICATION_ID,
+                                     "flags", G_APPLICATION_NON_UNIQUE,
+                                     nullptr));
+}
--- a/frontend/linux/my_application.h
+++ b/frontend/linux/my_application.h
@ -0,0 +1,18 @@
+#ifndef FLUTTER_MY_APPLICATION_H_
+#define FLUTTER_MY_APPLICATION_H_
+
+#include <gtk/gtk.h>
+
+G_DECLARE_FINAL_TYPE(MyApplication, my_application, MY, APPLICATION,
+                     GtkApplication)
+
+/**
+ * my_application_new:
+ *
+ * Creates a new Flutter-based application.
+ *
+ * Returns: a new #MyApplication.
+ */
+MyApplication* my_application_new();
+
+#endif  // FLUTTER_MY_APPLICATION_H_
--- a/frontend/pubspec.lock
+++ b/frontend/pubspec.lock
@ -0,0 +1,322 @@
+# Generated by pub
+# See https://dart.dev/tools/pub/glossary#lockfile
+packages:
+  async:
+    dependency: transitive
+    description:
+      name: async
+      sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.11.0"
+  boolean_selector:
+    dependency: transitive
+    description:
+      name: boolean_selector
+      sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.1"
+  characters:
+    dependency: transitive
+    description:
+      name: characters
+      sha256: "04a925763edad70e8443c99234dc3328f442e811f1d8fd1a72f1c8ad0f69a605"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.0"
+  clock:
+    dependency: transitive
+    description:
+      name: clock
+      sha256: cb6d7f03e1de671e34607e909a7213e31d7752be4fb66a86d29fe1eb14bfb5cf
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.1"
+  collection:
+    dependency: transitive
+    description:
+      name: collection
+      sha256: ee67cb0715911d28db6bf4af1026078bd6f0128b07a5f66fb2ed94ec6783c09a
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.18.0"
+  dio:
+    dependency: "direct main"
+    description:
+      name: dio
+      sha256: "5598aa796bbf4699afd5c67c0f5f6e2ed542afc956884b9cd58c306966efc260"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.7.0"
+  dio_web_adapter:
+    dependency: transitive
+    description:
+      name: dio_web_adapter
+      sha256: "33259a9276d6cea88774a0000cfae0d861003497755969c92faa223108620dc8"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0"
+  fake_async:
+    dependency: transitive
+    description:
+      name: fake_async
+      sha256: "511392330127add0b769b75a987850d136345d9227c6b94c96a04cf4a391bf78"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.1"
+  flutter:
+    dependency: "direct main"
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  flutter_lints:
+    dependency: "direct dev"
+    description:
+      name: flutter_lints
+      sha256: "9e8c3858111da373efc5aa341de011d9bd23e2c5c5e0c62bccf32438e192d7b1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.2"
+  flutter_test:
+    dependency: "direct dev"
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  flutter_web_plugins:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      sha256: "2aa08ce0341cc9b354a498388e30986515406668dbcc4f7c950c3e715496693b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.0.2"
+  leak_tracker:
+    dependency: transitive
+    description:
+      name: leak_tracker
+      sha256: "7f0df31977cb2c0b88585095d168e689669a2cc9b97c309665e3386f3e9d341a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "10.0.4"
+  leak_tracker_flutter_testing:
+    dependency: transitive
+    description:
+      name: leak_tracker_flutter_testing
+      sha256: "06e98f569d004c1315b991ded39924b21af84cf14cc94791b8aea337d25b57f8"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.3"
+  leak_tracker_testing:
+    dependency: transitive
+    description:
+      name: leak_tracker_testing
+      sha256: "6ba465d5d76e67ddf503e1161d1f4a6bc42306f9d66ca1e8f079a47290fb06d3"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.1"
+  lints:
+    dependency: transitive
+    description:
+      name: lints
+      sha256: cbf8d4b858bb0134ef3ef87841abdf8d63bfc255c266b7bf6b39daa1085c4290
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.0"
+  matcher:
+    dependency: transitive
+    description:
+      name: matcher
+      sha256: d2323aa2060500f906aa31a895b4030b6da3ebdcc5619d14ce1aada65cd161cb
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.12.16+1"
+  material_color_utilities:
+    dependency: transitive
+    description:
+      name: material_color_utilities
+      sha256: "0e0a020085b65b6083975e499759762399b4475f766c21668c4ecca34ea74e5a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.8.0"
+  meta:
+    dependency: transitive
+    description:
+      name: meta
+      sha256: "7687075e408b093f36e6bbf6c91878cc0d4cd10f409506f7bc996f68220b9136"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.12.0"
+  path:
+    dependency: transitive
+    description:
+      name: path
+      sha256: "087ce49c3f0dc39180befefc60fdb4acd8f8620e5682fe2476afd0b3688bb4af"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.9.0"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      sha256: "4820fbfdb9478b1ebae27888254d445073732dae3d6ea81f0b7e06d5dedc3f02"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.8"
+  sky_engine:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.99"
+  source_span:
+    dependency: transitive
+    description:
+      name: source_span
+      sha256: "53e943d4206a5e30df338fd4c6e7a077e02254531b138a15aec3bd143c1a8b3c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.10.0"
+  stack_trace:
+    dependency: transitive
+    description:
+      name: stack_trace
+      sha256: "73713990125a6d93122541237550ee3352a2d84baad52d375a4cad2eb9b7ce0b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.11.1"
+  stream_channel:
+    dependency: transitive
+    description:
+      name: stream_channel
+      sha256: ba2aa5d8cc609d96bbb2899c28934f9e1af5cddbd60a827822ea467161eb54e7
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.2"
+  string_scanner:
+    dependency: transitive
+    description:
+      name: string_scanner
+      sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.0"
+  term_glyph:
+    dependency: transitive
+    description:
+      name: term_glyph
+      sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.1"
+  test_api:
+    dependency: transitive
+    description:
+      name: test_api
+      sha256: "9955ae474176f7ac8ee4e989dadfb411a58c30415bcfb648fa04b2b8a03afa7f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.7.0"
+  typed_data:
+    dependency: transitive
+    description:
+      name: typed_data
+      sha256: facc8d6582f16042dd49f2463ff1bd6e2c9ef9f3d5da3d9b087e244a7b564b3c
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.2"
+  url_launcher:
+    dependency: "direct main"
+    description:
+      name: url_launcher
+      sha256: "9d06212b1362abc2f0f0d78e6f09f726608c74e3b9462e8368bb03314aa8d603"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.3.1"
+  url_launcher_android:
+    dependency: transitive
+    description:
+      name: url_launcher_android
+      sha256: f0c73347dfcfa5b3db8bc06e1502668265d39c08f310c29bff4e28eea9699f79
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.3.9"
+  url_launcher_ios:
+    dependency: transitive
+    description:
+      name: url_launcher_ios
+      sha256: e43b677296fadce447e987a2f519dcf5f6d1e527dc35d01ffab4fff5b8a7063e
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.3.1"
+  url_launcher_linux:
+    dependency: transitive
+    description:
+      name: url_launcher_linux
+      sha256: e2b9622b4007f97f504cd64c0128309dfb978ae66adbe944125ed9e1750f06af
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.0"
+  url_launcher_macos:
+    dependency: transitive
+    description:
+      name: url_launcher_macos
+      sha256: "769549c999acdb42b8bcfa7c43d72bf79a382ca7441ab18a808e101149daf672"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.1"
+  url_launcher_platform_interface:
+    dependency: transitive
+    description:
+      name: url_launcher_platform_interface
+      sha256: "552f8a1e663569be95a8190206a38187b531910283c3e982193e4f2733f01029"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.2"
+  url_launcher_web:
+    dependency: transitive
+    description:
+      name: url_launcher_web
+      sha256: "772638d3b34c779ede05ba3d38af34657a05ac55b06279ea6edd409e323dca8e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.3"
+  url_launcher_windows:
+    dependency: transitive
+    description:
+      name: url_launcher_windows
+      sha256: "49c10f879746271804767cb45551ec5592cdab00ee105c06dddde1a98f73b185"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.2"
+  vector_math:
+    dependency: transitive
+    description:
+      name: vector_math
+      sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.4"
+  vm_service:
+    dependency: transitive
+    description:
+      name: vm_service
+      sha256: "3923c89304b715fb1eb6423f017651664a03bf5f4b29983627c4da791f74a4ec"
+      url: "https://pub.dev"
+    source: hosted
+    version: "14.2.1"
+  web:
+    dependency: transitive
+    description:
+      name: web
+      sha256: cd3543bd5798f6ad290ea73d210f423502e71900302dde696f8bff84bf89a1cb
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.0"
+sdks:
+  dart: ">=3.4.3 <4.0.0"
+  flutter: ">=3.22.0"
--- a/frontend/pubspec.yaml
+++ b/frontend/pubspec.yaml
@ -0,0 +1,22 @@
+name: frontend
+description: "Url Shortner"
+publish_to: 'none'
+
+version: 1.0.0+1
+
+environment:
+  sdk: '>=3.4.3 <4.0.0'
+
+dependencies:
+  dio: ^5.7.0
+  flutter:
+    sdk: flutter
+  url_launcher: ^6.3.1
+
+dev_dependencies:
+  flutter_test:
+    sdk: flutter
+  flutter_lints: ^3.0.0
+
+flutter:
+  uses-material-design: true
--- a/frontend/test/widget_test.dart
+++ b/frontend/test/widget_test.dart
@ -0,0 +1,30 @@
+// This is a basic Flutter widget test.
+//
+// To perform an interaction with a widget in your test, use the WidgetTester
+// utility in the flutter_test package. For example, you can send tap and scroll
+// gestures. You can also use WidgetTester to find child widgets in the widget
+// tree, read text, and verify that the values of widget properties are correct.
+
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'package:frontend/main.dart';
+
+void main() {
+  testWidgets('Counter increments smoke test', (WidgetTester tester) async {
+    // Build our app and trigger a frame.
+    await tester.pumpWidget(const MyApp());
+
+    // Verify that our counter starts at 0.
+    expect(find.text('0'), findsOneWidget);
+    expect(find.text('1'), findsNothing);
+
+    // Tap the '+' icon and trigger a frame.
+    await tester.tap(find.byIcon(Icons.add));
+    await tester.pump();
+
+    // Verify that our counter has incremented.
+    expect(find.text('0'), findsNothing);
+    expect(find.text('1'), findsOneWidget);
+  });
+}
--- a/frontend/web/favicon.png
+++ b/frontend/web/favicon.png
--- a/frontend/web/icons/Icon-192.png
+++ b/frontend/web/icons/Icon-192.png
--- a/frontend/web/icons/Icon-512.png
+++ b/frontend/web/icons/Icon-512.png
--- a/frontend/web/icons/Icon-maskable-192.png
+++ b/frontend/web/icons/Icon-maskable-192.png
--- a/frontend/web/icons/Icon-maskable-512.png
+++ b/frontend/web/icons/Icon-maskable-512.png
--- a/frontend/web/index.html
+++ b/frontend/web/index.html
@ -0,0 +1,38 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <!--
+    If you are serving your web app in a path other than the root, change the
+    href value below to reflect the base path you are serving from.
+
+    The path provided below has to start and end with a slash "/" in order for
+    it to work correctly.
+
+    For more details:
+    * https://developer.mozilla.org/en-US/docs/Web/HTML/Element/base
+
+    This is a placeholder for base href that will be replaced by the value of
+    the `--base-href` argument provided to `flutter build`.
+  -->
+  <base href="$FLUTTER_BASE_HREF">
+
+  <meta charset="UTF-8">
+  <meta content="IE=Edge" http-equiv="X-UA-Compatible">
+  <meta name="description" content="A new Flutter project.">
+
+  <!-- iOS meta tags & icons -->
+  <meta name="apple-mobile-web-app-capable" content="yes">
+  <meta name="apple-mobile-web-app-status-bar-style" content="black">
+  <meta name="apple-mobile-web-app-title" content="frontend">
+  <link rel="apple-touch-icon" href="icons/Icon-192.png">
+
+  <!-- Favicon -->
+  <link rel="icon" type="image/png" href="favicon.png"/>
+
+  <title>frontend</title>
+  <link rel="manifest" href="manifest.json">
+</head>
+<body>
+  <script src="flutter_bootstrap.js" async></script>
+</body>
+</html>
--- a/frontend/web/manifest.json
+++ b/frontend/web/manifest.json
@ -0,0 +1,35 @@
+{
+    "name": "frontend",
+    "short_name": "frontend",
+    "start_url": ".",
+    "display": "standalone",
+    "background_color": "#0175C2",
+    "theme_color": "#0175C2",
+    "description": "A new Flutter project.",
+    "orientation": "portrait-primary",
+    "prefer_related_applications": false,
+    "icons": [
+        {
+            "src": "icons/Icon-192.png",
+            "sizes": "192x192",
+            "type": "image/png"
+        },
+        {
+            "src": "icons/Icon-512.png",
+            "sizes": "512x512",
+            "type": "image/png"
+        },
+        {
+            "src": "icons/Icon-maskable-192.png",
+            "sizes": "192x192",
+            "type": "image/png",
+            "purpose": "maskable"
+        },
+        {
+            "src": "icons/Icon-maskable-512.png",
+            "sizes": "512x512",
+            "type": "image/png",
+            "purpose": "maskable"
+        }
+    ]
+}
--- a/new_backend/.gitignore
+++ b/new_backend/.gitignore
@ -0,0 +1,16 @@
+# See https://www.dartlang.org/guides/libraries/private-files
+
+# Files and directories created by the Operating System
+.DS_Store
+
+# Files and directories created by pub
+.dart_tool/
+.packages
+pubspec.lock
+
+# Files and directories created by dart_frog
+build/
+.dart_frog
+
+# Test related files
+coverage/
--- a/new_backend/README.md
+++ b/new_backend/README.md
@ -0,0 +1,12 @@
+# new_backend
+
+[![style: very good analysis][very_good_analysis_badge]][very_good_analysis_link]
+[![License: MIT][license_badge]][license_link]
+[![Powered by Dart Frog](https://img.shields.io/endpoint?url=https://tinyurl.com/dartfrog-badge)](https://dartfrog.vgv.dev)
+
+An example application built with dart_frog
+
+[license_badge]: https://img.shields.io/badge/license-MIT-blue.svg
+[license_link]: https://opensource.org/licenses/MIT
+[very_good_analysis_badge]: https://img.shields.io/badge/style-very_good_analysis-B22C89.svg
+[very_good_analysis_link]: https://pub.dev/packages/very_good_analysis
--- a/new_backend/analysis_options.yaml
+++ b/new_backend/analysis_options.yaml
@ -0,0 +1,7 @@
+include: package:very_good_analysis/analysis_options.5.1.0.yaml
+analyzer:
+  exclude:
+    - build/**
+linter:
+  rules:
+    file_names: false
--- a/new_backend/lib/shrink_ray.dart
+++ b/new_backend/lib/shrink_ray.dart
@ -0,0 +1,36 @@
+// ignore_for_file: public_member_api_docs
+
+enum Status { ok, error }
+
+class ShrinkRay {
+  static const shrinkLength = 6;
+  static const String shrinkChars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-._';
+
+  static ({Status status, String content}) shrinkUrl(String urlStr) {
+    try {
+      final uri = Uri.parse(urlStr);
+      if (!uri.isScheme('HTTP') && !uri.isScheme('HTTPS') || uri.hasPort) {
+        throw const FormatException();
+      }
+
+      final hash = uri.hashCode;
+      return (status: Status.ok, content: _translate(hash));
+    } on FormatException {
+      return (status: Status.error, content: 'Invalid Uri');
+    } catch (err, st) {
+      print('Unknown error occurred: $err');
+      print(st);
+      return (status: Status.error, content: 'Unknown error occurred');
+    }
+  }
+
+  static String _translate(int hash, {String builtTranslation = ''}) {
+    if (builtTranslation.length == shrinkLength) return builtTranslation;
+    final index = hash % shrinkChars.length;
+    final translation = builtTranslation + shrinkChars.substring(index, index + 1);
+    final shiftedHash = hash << 1;
+    return _translate(shiftedHash, builtTranslation: translation);
+  }
+}
+
+Map<String, String> shrunkUrls = {};
--- a/new_backend/public/.last_build_id
+++ b/new_backend/public/.last_build_id
@ -0,0 +1 @@
+5389598c2a36d064db55a8edf57e320f
--- a/new_backend/public/assets/AssetManifest.bin
+++ b/new_backend/public/assets/AssetManifest.bin
--- a/new_backend/public/assets/AssetManifest.bin.json
+++ b/new_backend/public/assets/AssetManifest.bin.json
@ -0,0 +1 @@
+"DQA="
--- a/new_backend/public/assets/AssetManifest.json
+++ b/new_backend/public/assets/AssetManifest.json
@ -0,0 +1 @@
+{}
--- a/new_backend/public/assets/FontManifest.json
+++ b/new_backend/public/assets/FontManifest.json
@ -0,0 +1 @@
+[{"family":"MaterialIcons","fonts":[{"asset":"fonts/MaterialIcons-Regular.otf"}]}]
--- a/new_backend/public/assets/NOTICES
+++ b/new_backend/public/assets/NOTICES
--- a/new_backend/public/assets/fonts/MaterialIcons-Regular.otf
+++ b/new_backend/public/assets/fonts/MaterialIcons-Regular.otf
--- a/new_backend/public/assets/shaders/ink_sparkle.frag
+++ b/new_backend/public/assets/shaders/ink_sparkle.frag
--- a/new_backend/public/canvaskit/canvaskit.js
+++ b/new_backend/public/canvaskit/canvaskit.js
@ -0,0 +1,217 @@
+
+var CanvasKitInit = (() => {
+  var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;
+  if (typeof __filename !== 'undefined') _scriptDir = _scriptDir || __filename;
+  return (
+function(moduleArg = {}) {
+
+var r=moduleArg,aa,ba;r.ready=new Promise((a,b)=>{aa=a;ba=b});
+(function(a){a.Md=a.Md||[];a.Md.push(function(){a.MakeSWCanvasSurface=function(b){var c=b,d="undefined"!==typeof OffscreenCanvas&&c instanceof OffscreenCanvas;if(!("undefined"!==typeof HTMLCanvasElement&&c instanceof HTMLCanvasElement||d||(c=document.getElementById(b),c)))throw"Canvas with id "+b+" was not found";if(b=a.MakeSurface(c.width,c.height))b.me=c;return b};a.MakeCanvasSurface||(a.MakeCanvasSurface=a.MakeSWCanvasSurface);a.MakeSurface=function(b,c){var d={width:b,height:c,colorType:a.ColorType.RGBA_8888,
+alphaType:a.AlphaType.Unpremul,colorSpace:a.ColorSpace.SRGB},f=b*c*4,k=a._malloc(f);if(d=a.Surface._makeRasterDirect(d,k,4*b))d.me=null,d.Ue=b,d.Re=c,d.Se=f,d.xe=k,d.getCanvas().clear(a.TRANSPARENT);return d};a.MakeRasterDirectSurface=function(b,c,d){return a.Surface._makeRasterDirect(b,c.byteOffset,d)};a.Surface.prototype.flush=function(b){a.Jd(this.Id);this._flush();if(this.me){var c=new Uint8ClampedArray(a.HEAPU8.buffer,this.xe,this.Se);c=new ImageData(c,this.Ue,this.Re);b?this.me.getContext("2d").putImageData(c,
+0,0,b[0],b[1],b[2]-b[0],b[3]-b[1]):this.me.getContext("2d").putImageData(c,0,0)}};a.Surface.prototype.dispose=function(){this.xe&&a._free(this.xe);this.delete()};a.Jd=a.Jd||function(){};a.ne=a.ne||function(){return null}})})(r);
+(function(a){a.Md=a.Md||[];a.Md.push(function(){function b(m,p,w){return m&&m.hasOwnProperty(p)?m[p]:w}function c(m){var p=da(ea);ea[p]=m;return p}function d(m){return m.naturalHeight||m.videoHeight||m.displayHeight||m.height}function f(m){return m.naturalWidth||m.videoWidth||m.displayWidth||m.width}function k(m,p,w,y){m.bindTexture(m.TEXTURE_2D,p);y||w.alphaType!==a.AlphaType.Premul||m.pixelStorei(m.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0);return p}function l(m,p,w){w||p.alphaType!==a.AlphaType.Premul||
+m.pixelStorei(m.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1);m.bindTexture(m.TEXTURE_2D,null)}a.GetWebGLContext=function(m,p){if(!m)throw"null canvas passed into makeWebGLContext";var w={alpha:b(p,"alpha",1),depth:b(p,"depth",1),stencil:b(p,"stencil",8),antialias:b(p,"antialias",0),premultipliedAlpha:b(p,"premultipliedAlpha",1),preserveDrawingBuffer:b(p,"preserveDrawingBuffer",0),preferLowPowerToHighPerformance:b(p,"preferLowPowerToHighPerformance",0),failIfMajorPerformanceCaveat:b(p,"failIfMajorPerformanceCaveat",
+0),enableExtensionsByDefault:b(p,"enableExtensionsByDefault",1),explicitSwapControl:b(p,"explicitSwapControl",0),renderViaOffscreenBackBuffer:b(p,"renderViaOffscreenBackBuffer",0)};w.majorVersion=p&&p.majorVersion?p.majorVersion:"undefined"!==typeof WebGL2RenderingContext?2:1;if(w.explicitSwapControl)throw"explicitSwapControl is not supported";m=fa(m,w);if(!m)return 0;ha(m);v.Ud.getExtension("WEBGL_debug_renderer_info");return m};a.deleteContext=function(m){v===ia[m]&&(v=null);"object"==typeof JSEvents&&
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+h,n,t,x,z||null)};a.Canvas.prototype.drawImageNine=function(e,h,n,t,x){a.Jd(this.Id);h=l(h,"HEAP32",Sa);n=u(n);this._drawImageNine(e,h,n,t,x||null)};a.Canvas.prototype.drawImageRect=function(e,h,n,t,x){a.Jd(this.Id);u(h,X);u(n,Ba);this._drawImageRect(e,X,Ba,t,!!x)};a.Canvas.prototype.drawImageRectCubic=function(e,h,n,t,x,z){a.Jd(this.Id);u(h,X);u(n,Ba);this._drawImageRectCubic(e,X,Ba,t,x,z||null)};a.Canvas.prototype.drawImageRectOptions=function(e,h,n,t,x,z){a.Jd(this.Id);u(h,X);u(n,Ba);this._drawImageRectOptions(e,
+X,Ba,t,x,z||null)};a.Canvas.prototype.drawLine=function(e,h,n,t,x){a.Jd(this.Id);this._drawLine(e,h,n,t,x)};a.Canvas.prototype.drawOval=function(e,h){a.Jd(this.Id);e=u(e);this._drawOval(e,h)};a.Canvas.prototype.drawPaint=function(e){a.Jd(this.Id);this._drawPaint(e)};a.Canvas.prototype.drawParagraph=function(e,h,n){a.Jd(this.Id);this._drawParagraph(e,h,n)};a.Canvas.prototype.drawPatch=function(e,h,n,t,x){if(24>e.length)throw"Need 12 cubic points";if(h&&4>h.length)throw"Need 4 colors";if(n&&8>n.length)throw"Need 4 shader coordinates";
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+this._drawRRect(e,h)};a.Canvas.prototype.drawRect=function(e,h){a.Jd(this.Id);e=u(e);this._drawRect(e,h)};a.Canvas.prototype.drawRect4f=function(e,h,n,t,x){a.Jd(this.Id);this._drawRect4f(e,h,n,t,x)};a.Canvas.prototype.drawShadow=function(e,h,n,t,x,z,E){a.Jd(this.Id);var J=l(x,"HEAPF32"),I=l(z,"HEAPF32");h=l(h,"HEAPF32",Fb);n=l(n,"HEAPF32",Gb);this._drawShadow(e,h,n,t,J,I,E);k(J,x);k(I,z)};a.getShadowLocalBounds=function(e,h,n,t,x,z,E){e=p(e);n=l(n,"HEAPF32",Fb);t=l(t,"HEAPF32",Gb);if(!this._getShadowLocalBounds(e,
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+n;n++)h[n]=a.HEAPF32[e/4+n];return h};a.Canvas.prototype.getTotalMatrix=function(){this._getTotalMatrix(H);for(var e=Array(9),h=0;9>h;h++)e[h]=a.HEAPF32[H/4+h];return e};a.Canvas.prototype.makeSurface=function(e){e=this._makeSurface(e);e.Id=this.Id;return e};a.Canvas.prototype.readPixels=function(e,h,n,t,x){a.Jd(this.Id);return g(this,e,h,n,t,x)};a.Canvas.prototype.saveLayer=function(e,h,n,t){h=u(h);return this._saveLayer(e||null,h,n||null,t||0)};a.Canvas.prototype.writePixels=function(e,h,n,t,x,
+z,E,J){if(e.byteLength%(h*n))throw"pixels length must be a multiple of the srcWidth * srcHeight";a.Jd(this.Id);var I=e.byteLength/(h*n);z=z||a.AlphaType.Unpremul;E=E||a.ColorType.RGBA_8888;J=J||a.ColorSpace.SRGB;var U=I*h;I=l(e,"HEAPU8");h=this._writePixels({width:h,height:n,colorType:E,alphaType:z,colorSpace:J},I,U,t,x);k(I,e);return h};a.ColorFilter.MakeBlend=function(e,h,n){e=y(e);n=n||a.ColorSpace.SRGB;return a.ColorFilter._MakeBlend(e,h,n)};a.ColorFilter.MakeMatrix=function(e){if(!e||20!==e.length)throw"invalid color matrix";
+var h=l(e,"HEAPF32"),n=a.ColorFilter._makeMatrix(h);k(h,e);return n};a.ContourMeasure.prototype.getPosTan=function(e,h){this._getPosTan(e,X);e=na.toTypedArray();return h?(h.set(e),h):e.slice()};a.ImageFilter.prototype.getOutputBounds=function(e,h,n){e=u(e,X);h=p(h);this._getOutputBounds(e,h,Sa);h=hb.toTypedArray();return n?(n.set(h),n):h.slice()};a.ImageFilter.MakeDropShadow=function(e,h,n,t,x,z){x=y(x,va);return a.ImageFilter._MakeDropShadow(e,h,n,t,x,z)};a.ImageFilter.MakeDropShadowOnly=function(e,
+h,n,t,x,z){x=y(x,va);return a.ImageFilter._MakeDropShadowOnly(e,h,n,t,x,z)};a.ImageFilter.MakeImage=function(e,h,n,t){n=u(n,X);t=u(t,Ba);if("B"in h&&"C"in h)return a.ImageFilter._MakeImageCubic(e,h.B,h.C,n,t);const x=h.filter;let z=a.MipmapMode.None;"mipmap"in h&&(z=h.mipmap);return a.ImageFilter._MakeImageOptions(e,x,z,n,t)};a.ImageFilter.MakeMatrixTransform=function(e,h,n){e=p(e);if("B"in h&&"C"in h)return a.ImageFilter._MakeMatrixTransformCubic(e,h.B,h.C,n);const t=h.filter;let x=a.MipmapMode.None;
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+h,n,t,x){t=p(t);x=u(x);return this._makeShader(e,h,n,t,x)};a.Picture.prototype.cullRect=function(e){this._cullRect(X);var h=na.toTypedArray();return e?(e.set(h),e):h.slice()};a.PictureRecorder.prototype.beginRecording=function(e,h){e=u(e);return this._beginRecording(e,!!h)};a.Surface.prototype.getCanvas=function(){var e=this._getCanvas();e.Id=this.Id;return e};a.Surface.prototype.makeImageSnapshot=function(e){a.Jd(this.Id);e=l(e,"HEAP32",Sa);return this._makeImageSnapshot(e)};a.Surface.prototype.makeSurface=
+function(e){a.Jd(this.Id);e=this._makeSurface(e);e.Id=this.Id;return e};a.Surface.prototype.Te=function(e,h){this.ge||(this.ge=this.getCanvas());return requestAnimationFrame(function(){a.Jd(this.Id);e(this.ge);this.flush(h)}.bind(this))};a.Surface.prototype.requestAnimationFrame||(a.Surface.prototype.requestAnimationFrame=a.Surface.prototype.Te);a.Surface.prototype.Qe=function(e,h){this.ge||(this.ge=this.getCanvas());requestAnimationFrame(function(){a.Jd(this.Id);e(this.ge);this.flush(h);this.dispose()}.bind(this))};
+a.Surface.prototype.drawOnce||(a.Surface.prototype.drawOnce=a.Surface.prototype.Qe);a.PathEffect.MakeDash=function(e,h){h||(h=0);if(!e.length||1===e.length%2)throw"Intervals array must have even length";var n=l(e,"HEAPF32");h=a.PathEffect._MakeDash(n,e.length,h);k(n,e);return h};a.PathEffect.MakeLine2D=function(e,h){h=p(h);return a.PathEffect._MakeLine2D(e,h)};a.PathEffect.MakePath2D=function(e,h){e=p(e);return a.PathEffect._MakePath2D(e,h)};a.Shader.MakeColor=function(e,h){h=h||null;e=y(e);return a.Shader._MakeColor(e,
+h)};a.Shader.Blend=a.Shader.MakeBlend;a.Shader.Color=a.Shader.MakeColor;a.Shader.MakeLinearGradient=function(e,h,n,t,x,z,E,J){J=J||null;var I=m(n),U=l(t,"HEAPF32");E=E||0;z=p(z);var V=na.toTypedArray();V.set(e);V.set(h,2);e=a.Shader._MakeLinearGradient(X,I.Rd,I.colorType,U,I.count,x,E,z,J);k(I.Rd,n);t&&k(U,t);return e};a.Shader.MakeRadialGradient=function(e,h,n,t,x,z,E,J){J=J||null;var I=m(n),U=l(t,"HEAPF32");E=E||0;z=p(z);e=a.Shader._MakeRadialGradient(e[0],e[1],h,I.Rd,I.colorType,U,I.count,x,E,
+z,J);k(I.Rd,n);t&&k(U,t);return e};a.Shader.MakeSweepGradient=function(e,h,n,t,x,z,E,J,I,U){U=U||null;var V=m(n),q=l(t,"HEAPF32");E=E||0;J=J||0;I=I||360;z=p(z);e=a.Shader._MakeSweepGradient(e,h,V.Rd,V.colorType,q,V.count,x,J,I,E,z,U);k(V.Rd,n);t&&k(q,t);return e};a.Shader.MakeTwoPointConicalGradient=function(e,h,n,t,x,z,E,J,I,U){U=U||null;var V=m(x),q=l(z,"HEAPF32");I=I||0;J=p(J);var A=na.toTypedArray();A.set(e);A.set(n,2);e=a.Shader._MakeTwoPointConicalGradient(X,h,t,V.Rd,V.colorType,q,V.count,E,
+I,J,U);k(V.Rd,x);z&&k(q,z);return e};a.Vertices.prototype.bounds=function(e){this._bounds(X);var h=na.toTypedArray();return e?(e.set(h),e):h.slice()};a.Md&&a.Md.forEach(function(e){e()})};a.computeTonalColors=function(g){var e=l(g.ambient,"HEAPF32"),h=l(g.spot,"HEAPF32");this._computeTonalColors(e,h);var n={ambient:D(e),spot:D(h)};k(e,g.ambient);k(h,g.spot);return n};a.LTRBRect=function(g,e,h,n){return Float32Array.of(g,e,h,n)};a.XYWHRect=function(g,e,h,n){return Float32Array.of(g,e,g+h,e+n)};a.LTRBiRect=
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+g:null};var Ta=null;a.MakeImageFromCanvasImageSource=function(g){var e=g.width,h=g.height;Ta||(Ta=document.createElement("canvas"));Ta.width=e;Ta.height=h;var n=Ta.getContext("2d",{willReadFrequently:!0});n.drawImage(g,0,0);g=n.getImageData(0,0,e,h);return a.MakeImage({width:e,height:h,alphaType:a.AlphaType.Unpremul,colorType:a.ColorType.RGBA_8888,colorSpace:a.ColorSpace.SRGB},g.data,4*e)};a.MakeImage=function(g,e,h){var n=a._malloc(e.length);a.HEAPU8.set(e,n);return a._MakeImage(g,n,e.length,h)};
+a.MakeVertices=function(g,e,h,n,t,x){var z=t&&t.length||0,E=0;h&&h.length&&(E|=1);n&&n.length&&(E|=2);void 0===x||x||(E|=4);g=new a._VerticesBuilder(g,e.length/2,z,E);l(e,"HEAPF32",g.positions());g.texCoords()&&l(h,"HEAPF32",g.texCoords());g.colors()&&l(c(n),"HEAPU32",g.colors());g.indices()&&l(t,"HEAPU16",g.indices());return g.detach()};(function(g){g.Md=g.Md||[];g.Md.push(function(){function e(q){q&&(q.dir=0===q.dir?g.TextDirection.RTL:g.TextDirection.LTR);return q}function h(q){if(!q||!q.length)return[];
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+M,q._fontFamiliesLen=0);if(q.locale){var A=q.locale;q._localePtr=x(A);q._localeLen=ja(A)}else q._localePtr=M,q._localeLen=0;if(Array.isArray(q.shadows)&&q.shadows.length){A=q.shadows;var P=A.map(function(qa){return qa.color||g.BLACK}),Z=A.map(function(qa){return qa.blurRadius||0});q._shadowLen=A.length;for(var za=g._malloc(8*A.length),Hb=za/4,Ib=0;Ib<A.length;Ib++){var lc=A[Ib].offset||[0,0];g.HEAPF32[Hb]=lc[0];g.HEAPF32[Hb+1]=lc[1];Hb+=2}q._shadowColorsPtr=m(P).Rd;q._shadowOffsetsPtr=za;q._shadowBlurRadiiPtr=
+l(Z,"HEAPF32")}else q._shadowLen=0,q._shadowColorsPtr=M,q._shadowOffsetsPtr=M,q._shadowBlurRadiiPtr=M;Array.isArray(q.fontFeatures)&&q.fontFeatures.length?(A=q.fontFeatures,P=A.map(function(qa){return qa.name}),Z=A.map(function(qa){return qa.value}),q._fontFeatureLen=A.length,q._fontFeatureNamesPtr=t(P),q._fontFeatureValuesPtr=l(Z,"HEAPU32")):(q._fontFeatureLen=0,q._fontFeatureNamesPtr=M,q._fontFeatureValuesPtr=M);Array.isArray(q.fontVariations)&&q.fontVariations.length?(A=q.fontVariations,P=A.map(function(qa){return qa.axis}),
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+function(q,A,P,Z){q=this._getRectsForRange(q,A,P,Z);return h(q)};g.Paragraph.prototype.getRectsForPlaceholders=function(){var q=this._getRectsForPlaceholders();return h(q)};g.Paragraph.prototype.getGlyphInfoAt=function(q){return e(this._getGlyphInfoAt(q))};g.Paragraph.prototype.getClosestGlyphInfoAtCoordinate=function(q,A){return e(this._getClosestGlyphInfoAtCoordinate(q,A))};g.TypefaceFontProvider.prototype.registerFont=function(q,A){q=g.Typeface.MakeTypefaceFromData(q);if(!q)return null;A=x(A);
+this._registerFont(q,A)};g.ParagraphStyle=function(q){q.disableHinting=q.disableHinting||!1;if(q.ellipsis){var A=q.ellipsis;q._ellipsisPtr=x(A);q._ellipsisLen=ja(A)}else q._ellipsisPtr=M,q._ellipsisLen=0;null==q.heightMultiplier&&(q.heightMultiplier=-1);q.maxLines=q.maxLines||0;q.replaceTabCharacters=q.replaceTabCharacters||!1;A=(A=q.strutStyle)||{};A.strutEnabled=A.strutEnabled||!1;A.strutEnabled&&Array.isArray(A.fontFamilies)&&A.fontFamilies.length?(A._fontFamiliesPtr=t(A.fontFamilies),A._fontFamiliesLen=
+A.fontFamilies.length):(A._fontFamiliesPtr=M,A._fontFamiliesLen=0);A.fontStyle=n(A.fontStyle);null==A.fontSize&&(A.fontSize=-1);null==A.heightMultiplier&&(A.heightMultiplier=-1);A.halfLeading=A.halfLeading||!1;A.leading=A.leading||0;A.forceStrutHeight=A.forceStrutHeight||!1;q.strutStyle=A;q.textAlign=q.textAlign||g.TextAlign.Start;q.textDirection=q.textDirection||g.TextDirection.LTR;q.textHeightBehavior=q.textHeightBehavior||g.TextHeightBehavior.All;q.textStyle=g.TextStyle(q.textStyle);q.applyRoundingHack=
+!1!==q.applyRoundingHack;return q};g.TextStyle=function(q){q.color||(q.color=g.BLACK);q.decoration=q.decoration||0;q.decorationThickness=q.decorationThickness||0;q.decorationStyle=q.decorationStyle||g.DecorationStyle.Solid;q.textBaseline=q.textBaseline||g.TextBaseline.Alphabetic;null==q.fontSize&&(q.fontSize=-1);q.letterSpacing=q.letterSpacing||0;q.wordSpacing=q.wordSpacing||0;null==q.heightMultiplier&&(q.heightMultiplier=-1);q.halfLeading=q.halfLeading||!1;q.fontStyle=n(q.fontStyle);return q};var J=
+{},I=g._malloc(16),U=g._malloc(16),V=g._malloc(16);g.ParagraphBuilder.Make=function(q,A){z(q.textStyle);A=g.ParagraphBuilder._Make(q,A);E(q.textStyle);return A};g.ParagraphBuilder.MakeFromFontProvider=function(q,A){z(q.textStyle);A=g.ParagraphBuilder._MakeFromFontProvider(q,A);E(q.textStyle);return A};g.ParagraphBuilder.MakeFromFontCollection=function(q,A){z(q.textStyle);A=g.ParagraphBuilder._MakeFromFontCollection(q,A);E(q.textStyle);return A};g.ParagraphBuilder.ShapeText=function(q,A,P){let Z=0;
+for(const za of A)Z+=za.length;if(Z!==q.length)throw"Accumulated block lengths must equal text.length";return g.ParagraphBuilder._ShapeText(q,A,P)};g.ParagraphBuilder.prototype.pushStyle=function(q){z(q);this._pushStyle(q);E(q)};g.ParagraphBuilder.prototype.pushPaintStyle=function(q,A,P){z(q);this._pushPaintStyle(q,A,P);E(q)};g.ParagraphBuilder.prototype.addPlaceholder=function(q,A,P,Z,za){P=P||g.PlaceholderAlignment.Baseline;Z=Z||g.TextBaseline.Alphabetic;this._addPlaceholder(q||0,A||0,P,Z,za||0)};
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+
+
+  return moduleArg.ready
+}
+
+);
+})();
+if (typeof exports === 'object' && typeof module === 'object')
+  module.exports = CanvasKitInit;
+else if (typeof define === 'function' && define['amd'])
+  define([], () => CanvasKitInit);
--- a/new_backend/public/canvaskit/canvaskit.js.symbols
+++ b/new_backend/public/canvaskit/canvaskit.js.symbols
--- a/new_backend/public/canvaskit/canvaskit.wasm
+++ b/new_backend/public/canvaskit/canvaskit.wasm
--- a/new_backend/public/canvaskit/chromium/canvaskit.js
+++ b/new_backend/public/canvaskit/chromium/canvaskit.js
@ -0,0 +1,216 @@
+
+var CanvasKitInit = (() => {
+  var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;
+  if (typeof __filename !== 'undefined') _scriptDir = _scriptDir || __filename;
+  return (
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+h,n)};a.Canvas.prototype.clipRect=function(d,h,n){a.Dd(this.Cd);d=u(d);this._clipRect(d,h,n)};a.Canvas.prototype.concat=function(d){a.Dd(this.Cd);d=w(d);this._concat(d)};a.Canvas.prototype.drawArc=function(d,h,n,t,v){a.Dd(this.Cd);d=u(d);this._drawArc(d,h,n,t,v)};a.Canvas.prototype.drawAtlas=function(d,h,n,t,v,z,E){if(d&&t&&h&&n&&h.length===n.length){a.Dd(this.Cd);v||(v=a.BlendMode.SrcOver);var J=l(h,"HEAPF32"),I=l(n,"HEAPF32"),U=n.length/4,V=l(c(z),"HEAPU32");if(E&&"B"in E&&"C"in E)this._drawAtlasCubic(d,
+I,J,V,U,v,E.B,E.C,t);else{let p=a.FilterMode.Linear,A=a.MipmapMode.None;E&&(p=E.filter,"mipmap"in E&&(A=E.mipmap));this._drawAtlasOptions(d,I,J,V,U,v,p,A,t)}k(J,h);k(I,n);k(V,z)}};a.Canvas.prototype.drawCircle=function(d,h,n,t){a.Dd(this.Cd);this._drawCircle(d,h,n,t)};a.Canvas.prototype.drawColor=function(d,h){a.Dd(this.Cd);d=y(d);void 0!==h?this._drawColor(d,h):this._drawColor(d)};a.Canvas.prototype.drawColorInt=function(d,h){a.Dd(this.Cd);this._drawColorInt(d,h||a.BlendMode.SrcOver)};a.Canvas.prototype.drawColorComponents=
+function(d,h,n,t,v){a.Dd(this.Cd);d=B(d,h,n,t);void 0!==v?this._drawColor(d,v):this._drawColor(d)};a.Canvas.prototype.drawDRRect=function(d,h,n){a.Dd(this.Cd);d=F(d,Eb);h=F(h,kc);this._drawDRRect(d,h,n)};a.Canvas.prototype.drawImage=function(d,h,n,t){a.Dd(this.Cd);this._drawImage(d,h,n,t||null)};a.Canvas.prototype.drawImageCubic=function(d,h,n,t,v,z){a.Dd(this.Cd);this._drawImageCubic(d,h,n,t,v,z||null)};a.Canvas.prototype.drawImageOptions=function(d,h,n,t,v,z){a.Dd(this.Cd);this._drawImageOptions(d,
+h,n,t,v,z||null)};a.Canvas.prototype.drawImageNine=function(d,h,n,t,v){a.Dd(this.Cd);h=l(h,"HEAP32",Sa);n=u(n);this._drawImageNine(d,h,n,t,v||null)};a.Canvas.prototype.drawImageRect=function(d,h,n,t,v){a.Dd(this.Cd);u(h,X);u(n,Ba);this._drawImageRect(d,X,Ba,t,!!v)};a.Canvas.prototype.drawImageRectCubic=function(d,h,n,t,v,z){a.Dd(this.Cd);u(h,X);u(n,Ba);this._drawImageRectCubic(d,X,Ba,t,v,z||null)};a.Canvas.prototype.drawImageRectOptions=function(d,h,n,t,v,z){a.Dd(this.Cd);u(h,X);u(n,Ba);this._drawImageRectOptions(d,
+X,Ba,t,v,z||null)};a.Canvas.prototype.drawLine=function(d,h,n,t,v){a.Dd(this.Cd);this._drawLine(d,h,n,t,v)};a.Canvas.prototype.drawOval=function(d,h){a.Dd(this.Cd);d=u(d);this._drawOval(d,h)};a.Canvas.prototype.drawPaint=function(d){a.Dd(this.Cd);this._drawPaint(d)};a.Canvas.prototype.drawParagraph=function(d,h,n){a.Dd(this.Cd);this._drawParagraph(d,h,n)};a.Canvas.prototype.drawPatch=function(d,h,n,t,v){if(24>d.length)throw"Need 12 cubic points";if(h&&4>h.length)throw"Need 4 colors";if(n&&8>n.length)throw"Need 4 shader coordinates";
+a.Dd(this.Cd);const z=l(d,"HEAPF32"),E=h?l(c(h),"HEAPU32"):M,J=n?l(n,"HEAPF32"):M;t||(t=a.BlendMode.Modulate);this._drawPatch(z,E,J,t,v);k(J,n);k(E,h);k(z,d)};a.Canvas.prototype.drawPath=function(d,h){a.Dd(this.Cd);this._drawPath(d,h)};a.Canvas.prototype.drawPicture=function(d){a.Dd(this.Cd);this._drawPicture(d)};a.Canvas.prototype.drawPoints=function(d,h,n){a.Dd(this.Cd);var t=l(h,"HEAPF32");this._drawPoints(d,t,h.length/2,n);k(t,h)};a.Canvas.prototype.drawRRect=function(d,h){a.Dd(this.Cd);d=F(d);
+this._drawRRect(d,h)};a.Canvas.prototype.drawRect=function(d,h){a.Dd(this.Cd);d=u(d);this._drawRect(d,h)};a.Canvas.prototype.drawRect4f=function(d,h,n,t,v){a.Dd(this.Cd);this._drawRect4f(d,h,n,t,v)};a.Canvas.prototype.drawShadow=function(d,h,n,t,v,z,E){a.Dd(this.Cd);var J=l(v,"HEAPF32"),I=l(z,"HEAPF32");h=l(h,"HEAPF32",Fb);n=l(n,"HEAPF32",Gb);this._drawShadow(d,h,n,t,J,I,E);k(J,v);k(I,z)};a.getShadowLocalBounds=function(d,h,n,t,v,z,E){d=q(d);n=l(n,"HEAPF32",Fb);t=l(t,"HEAPF32",Gb);if(!this._getShadowLocalBounds(d,
+h,n,t,v,z,X))return null;h=na.toTypedArray();return E?(E.set(h),E):h.slice()};a.Canvas.prototype.drawTextBlob=function(d,h,n,t){a.Dd(this.Cd);this._drawTextBlob(d,h,n,t)};a.Canvas.prototype.drawVertices=function(d,h,n){a.Dd(this.Cd);this._drawVertices(d,h,n)};a.Canvas.prototype.getDeviceClipBounds=function(d){this._getDeviceClipBounds(Sa);var h=hb.toTypedArray();d?d.set(h):d=h.slice();return d};a.Canvas.prototype.getLocalToDevice=function(){this._getLocalToDevice(ca);for(var d=ca,h=Array(16),n=0;16>
+n;n++)h[n]=a.HEAPF32[d/4+n];return h};a.Canvas.prototype.getTotalMatrix=function(){this._getTotalMatrix(H);for(var d=Array(9),h=0;9>h;h++)d[h]=a.HEAPF32[H/4+h];return d};a.Canvas.prototype.makeSurface=function(d){d=this._makeSurface(d);d.Cd=this.Cd;return d};a.Canvas.prototype.readPixels=function(d,h,n,t,v){a.Dd(this.Cd);return g(this,d,h,n,t,v)};a.Canvas.prototype.saveLayer=function(d,h,n,t){h=u(h);return this._saveLayer(d||null,h,n||null,t||0)};a.Canvas.prototype.writePixels=function(d,h,n,t,v,
+z,E,J){if(d.byteLength%(h*n))throw"pixels length must be a multiple of the srcWidth * srcHeight";a.Dd(this.Cd);var I=d.byteLength/(h*n);z=z||a.AlphaType.Unpremul;E=E||a.ColorType.RGBA_8888;J=J||a.ColorSpace.SRGB;var U=I*h;I=l(d,"HEAPU8");h=this._writePixels({width:h,height:n,colorType:E,alphaType:z,colorSpace:J},I,U,t,v);k(I,d);return h};a.ColorFilter.MakeBlend=function(d,h,n){d=y(d);n=n||a.ColorSpace.SRGB;return a.ColorFilter._MakeBlend(d,h,n)};a.ColorFilter.MakeMatrix=function(d){if(!d||20!==d.length)throw"invalid color matrix";
+var h=l(d,"HEAPF32"),n=a.ColorFilter._makeMatrix(h);k(h,d);return n};a.ContourMeasure.prototype.getPosTan=function(d,h){this._getPosTan(d,X);d=na.toTypedArray();return h?(h.set(d),h):d.slice()};a.ImageFilter.prototype.getOutputBounds=function(d,h,n){d=u(d,X);h=q(h);this._getOutputBounds(d,h,Sa);h=hb.toTypedArray();return n?(n.set(h),n):h.slice()};a.ImageFilter.MakeDropShadow=function(d,h,n,t,v,z){v=y(v,va);return a.ImageFilter._MakeDropShadow(d,h,n,t,v,z)};a.ImageFilter.MakeDropShadowOnly=function(d,
+h,n,t,v,z){v=y(v,va);return a.ImageFilter._MakeDropShadowOnly(d,h,n,t,v,z)};a.ImageFilter.MakeImage=function(d,h,n,t){n=u(n,X);t=u(t,Ba);if("B"in h&&"C"in h)return a.ImageFilter._MakeImageCubic(d,h.B,h.C,n,t);const v=h.filter;let z=a.MipmapMode.None;"mipmap"in h&&(z=h.mipmap);return a.ImageFilter._MakeImageOptions(d,v,z,n,t)};a.ImageFilter.MakeMatrixTransform=function(d,h,n){d=q(d);if("B"in h&&"C"in h)return a.ImageFilter._MakeMatrixTransformCubic(d,h.B,h.C,n);const t=h.filter;let v=a.MipmapMode.None;
+"mipmap"in h&&(v=h.mipmap);return a.ImageFilter._MakeMatrixTransformOptions(d,t,v,n)};a.Paint.prototype.getColor=function(){this._getColor(va);return D(va)};a.Paint.prototype.setColor=function(d,h){h=h||null;d=y(d);this._setColor(d,h)};a.Paint.prototype.setColorComponents=function(d,h,n,t,v){v=v||null;d=B(d,h,n,t);this._setColor(d,v)};a.Path.prototype.getPoint=function(d,h){this._getPoint(d,X);d=na.toTypedArray();return h?(h[0]=d[0],h[1]=d[1],h):d.slice(0,2)};a.Picture.prototype.makeShader=function(d,
+h,n,t,v){t=q(t);v=u(v);return this._makeShader(d,h,n,t,v)};a.Picture.prototype.cullRect=function(d){this._cullRect(X);var h=na.toTypedArray();return d?(d.set(h),d):h.slice()};a.PictureRecorder.prototype.beginRecording=function(d,h){d=u(d);return this._beginRecording(d,!!h)};a.Surface.prototype.getCanvas=function(){var d=this._getCanvas();d.Cd=this.Cd;return d};a.Surface.prototype.makeImageSnapshot=function(d){a.Dd(this.Cd);d=l(d,"HEAP32",Sa);return this._makeImageSnapshot(d)};a.Surface.prototype.makeSurface=
+function(d){a.Dd(this.Cd);d=this._makeSurface(d);d.Cd=this.Cd;return d};a.Surface.prototype.Ne=function(d,h){this.ae||(this.ae=this.getCanvas());return requestAnimationFrame(function(){a.Dd(this.Cd);d(this.ae);this.flush(h)}.bind(this))};a.Surface.prototype.requestAnimationFrame||(a.Surface.prototype.requestAnimationFrame=a.Surface.prototype.Ne);a.Surface.prototype.Ke=function(d,h){this.ae||(this.ae=this.getCanvas());requestAnimationFrame(function(){a.Dd(this.Cd);d(this.ae);this.flush(h);this.dispose()}.bind(this))};
+a.Surface.prototype.drawOnce||(a.Surface.prototype.drawOnce=a.Surface.prototype.Ke);a.PathEffect.MakeDash=function(d,h){h||(h=0);if(!d.length||1===d.length%2)throw"Intervals array must have even length";var n=l(d,"HEAPF32");h=a.PathEffect._MakeDash(n,d.length,h);k(n,d);return h};a.PathEffect.MakeLine2D=function(d,h){h=q(h);return a.PathEffect._MakeLine2D(d,h)};a.PathEffect.MakePath2D=function(d,h){d=q(d);return a.PathEffect._MakePath2D(d,h)};a.Shader.MakeColor=function(d,h){h=h||null;d=y(d);return a.Shader._MakeColor(d,
+h)};a.Shader.Blend=a.Shader.MakeBlend;a.Shader.Color=a.Shader.MakeColor;a.Shader.MakeLinearGradient=function(d,h,n,t,v,z,E,J){J=J||null;var I=m(n),U=l(t,"HEAPF32");E=E||0;z=q(z);var V=na.toTypedArray();V.set(d);V.set(h,2);d=a.Shader._MakeLinearGradient(X,I.Ld,I.colorType,U,I.count,v,E,z,J);k(I.Ld,n);t&&k(U,t);return d};a.Shader.MakeRadialGradient=function(d,h,n,t,v,z,E,J){J=J||null;var I=m(n),U=l(t,"HEAPF32");E=E||0;z=q(z);d=a.Shader._MakeRadialGradient(d[0],d[1],h,I.Ld,I.colorType,U,I.count,v,E,
+z,J);k(I.Ld,n);t&&k(U,t);return d};a.Shader.MakeSweepGradient=function(d,h,n,t,v,z,E,J,I,U){U=U||null;var V=m(n),p=l(t,"HEAPF32");E=E||0;J=J||0;I=I||360;z=q(z);d=a.Shader._MakeSweepGradient(d,h,V.Ld,V.colorType,p,V.count,v,J,I,E,z,U);k(V.Ld,n);t&&k(p,t);return d};a.Shader.MakeTwoPointConicalGradient=function(d,h,n,t,v,z,E,J,I,U){U=U||null;var V=m(v),p=l(z,"HEAPF32");I=I||0;J=q(J);var A=na.toTypedArray();A.set(d);A.set(n,2);d=a.Shader._MakeTwoPointConicalGradient(X,h,t,V.Ld,V.colorType,p,V.count,E,
+I,J,U);k(V.Ld,v);z&&k(p,z);return d};a.Vertices.prototype.bounds=function(d){this._bounds(X);var h=na.toTypedArray();return d?(d.set(h),d):h.slice()};a.Gd&&a.Gd.forEach(function(d){d()})};a.computeTonalColors=function(g){var d=l(g.ambient,"HEAPF32"),h=l(g.spot,"HEAPF32");this._computeTonalColors(d,h);var n={ambient:D(d),spot:D(h)};k(d,g.ambient);k(h,g.spot);return n};a.LTRBRect=function(g,d,h,n){return Float32Array.of(g,d,h,n)};a.XYWHRect=function(g,d,h,n){return Float32Array.of(g,d,g+h,d+n)};a.LTRBiRect=
+function(g,d,h,n){return Int32Array.of(g,d,h,n)};a.XYWHiRect=function(g,d,h,n){return Int32Array.of(g,d,g+h,d+n)};a.RRectXY=function(g,d,h){return Float32Array.of(g[0],g[1],g[2],g[3],d,h,d,h,d,h,d,h)};a.MakeAnimatedImageFromEncoded=function(g){g=new Uint8Array(g);var d=a._malloc(g.byteLength);a.HEAPU8.set(g,d);return(g=a._decodeAnimatedImage(d,g.byteLength))?g:null};a.MakeImageFromEncoded=function(g){g=new Uint8Array(g);var d=a._malloc(g.byteLength);a.HEAPU8.set(g,d);return(g=a._decodeImage(d,g.byteLength))?
+g:null};var Ta=null;a.MakeImageFromCanvasImageSource=function(g){var d=g.width,h=g.height;Ta||(Ta=document.createElement("canvas"));Ta.width=d;Ta.height=h;var n=Ta.getContext("2d",{willReadFrequently:!0});n.drawImage(g,0,0);g=n.getImageData(0,0,d,h);return a.MakeImage({width:d,height:h,alphaType:a.AlphaType.Unpremul,colorType:a.ColorType.RGBA_8888,colorSpace:a.ColorSpace.SRGB},g.data,4*d)};a.MakeImage=function(g,d,h){var n=a._malloc(d.length);a.HEAPU8.set(d,n);return a._MakeImage(g,n,d.length,h)};
+a.MakeVertices=function(g,d,h,n,t,v){var z=t&&t.length||0,E=0;h&&h.length&&(E|=1);n&&n.length&&(E|=2);void 0===v||v||(E|=4);g=new a._VerticesBuilder(g,d.length/2,z,E);l(d,"HEAPF32",g.positions());g.texCoords()&&l(h,"HEAPF32",g.texCoords());g.colors()&&l(c(n),"HEAPU32",g.colors());g.indices()&&l(t,"HEAPU16",g.indices());return g.detach()};(function(g){g.Gd=g.Gd||[];g.Gd.push(function(){function d(p){p&&(p.dir=0===p.dir?g.TextDirection.RTL:g.TextDirection.LTR);return p}function h(p){if(!p||!p.length)return[];
+for(var A=[],O=0;O<p.length;O+=5){var Z=g.LTRBRect(p[O],p[O+1],p[O+2],p[O+3]),za=g.TextDirection.LTR;0===p[O+4]&&(za=g.TextDirection.RTL);A.push({rect:Z,dir:za})}g._free(p.byteOffset);return A}function n(p){p=p||{};void 0===p.weight&&(p.weight=g.FontWeight.Normal);p.width=p.width||g.FontWidth.Normal;p.slant=p.slant||g.FontSlant.Upright;return p}function t(p){if(!p||!p.length)return M;for(var A=[],O=0;O<p.length;O++){var Z=v(p[O]);A.push(Z)}return l(A,"HEAPU32")}function v(p){if(J[p])return J[p];var A=
+ja(p)+1,O=g._malloc(A);ka(p,C,O,A);return J[p]=O}function z(p){p._colorPtr=y(p.color);p._foregroundColorPtr=M;p._backgroundColorPtr=M;p._decorationColorPtr=M;p.foregroundColor&&(p._foregroundColorPtr=y(p.foregroundColor,I));p.backgroundColor&&(p._backgroundColorPtr=y(p.backgroundColor,U));p.decorationColor&&(p._decorationColorPtr=y(p.decorationColor,V));Array.isArray(p.fontFamilies)&&p.fontFamilies.length?(p._fontFamiliesPtr=t(p.fontFamilies),p._fontFamiliesLen=p.fontFamilies.length):(p._fontFamiliesPtr=
+M,p._fontFamiliesLen=0);if(p.locale){var A=p.locale;p._localePtr=v(A);p._localeLen=ja(A)}else p._localePtr=M,p._localeLen=0;if(Array.isArray(p.shadows)&&p.shadows.length){A=p.shadows;var O=A.map(function(qa){return qa.color||g.BLACK}),Z=A.map(function(qa){return qa.blurRadius||0});p._shadowLen=A.length;for(var za=g._malloc(8*A.length),Hb=za/4,Ib=0;Ib<A.length;Ib++){var lc=A[Ib].offset||[0,0];g.HEAPF32[Hb]=lc[0];g.HEAPF32[Hb+1]=lc[1];Hb+=2}p._shadowColorsPtr=m(O).Ld;p._shadowOffsetsPtr=za;p._shadowBlurRadiiPtr=
+l(Z,"HEAPF32")}else p._shadowLen=0,p._shadowColorsPtr=M,p._shadowOffsetsPtr=M,p._shadowBlurRadiiPtr=M;Array.isArray(p.fontFeatures)&&p.fontFeatures.length?(A=p.fontFeatures,O=A.map(function(qa){return qa.name}),Z=A.map(function(qa){return qa.value}),p._fontFeatureLen=A.length,p._fontFeatureNamesPtr=t(O),p._fontFeatureValuesPtr=l(Z,"HEAPU32")):(p._fontFeatureLen=0,p._fontFeatureNamesPtr=M,p._fontFeatureValuesPtr=M);Array.isArray(p.fontVariations)&&p.fontVariations.length?(A=p.fontVariations,O=A.map(function(qa){return qa.axis}),
+Z=A.map(function(qa){return qa.value}),p._fontVariationLen=A.length,p._fontVariationAxesPtr=t(O),p._fontVariationValuesPtr=l(Z,"HEAPF32")):(p._fontVariationLen=0,p._fontVariationAxesPtr=M,p._fontVariationValuesPtr=M)}function E(p){g._free(p._fontFamiliesPtr);g._free(p._shadowColorsPtr);g._free(p._shadowOffsetsPtr);g._free(p._shadowBlurRadiiPtr);g._free(p._fontFeatureNamesPtr);g._free(p._fontFeatureValuesPtr);g._free(p._fontVariationAxesPtr);g._free(p._fontVariationValuesPtr)}g.Paragraph.prototype.getRectsForRange=
+function(p,A,O,Z){p=this._getRectsForRange(p,A,O,Z);return h(p)};g.Paragraph.prototype.getRectsForPlaceholders=function(){var p=this._getRectsForPlaceholders();return h(p)};g.Paragraph.prototype.getGlyphInfoAt=function(p){return d(this._getGlyphInfoAt(p))};g.Paragraph.prototype.getClosestGlyphInfoAtCoordinate=function(p,A){return d(this._getClosestGlyphInfoAtCoordinate(p,A))};g.TypefaceFontProvider.prototype.registerFont=function(p,A){p=g.Typeface.MakeTypefaceFromData(p);if(!p)return null;A=v(A);
+this._registerFont(p,A)};g.ParagraphStyle=function(p){p.disableHinting=p.disableHinting||!1;if(p.ellipsis){var A=p.ellipsis;p._ellipsisPtr=v(A);p._ellipsisLen=ja(A)}else p._ellipsisPtr=M,p._ellipsisLen=0;null==p.heightMultiplier&&(p.heightMultiplier=-1);p.maxLines=p.maxLines||0;p.replaceTabCharacters=p.replaceTabCharacters||!1;A=(A=p.strutStyle)||{};A.strutEnabled=A.strutEnabled||!1;A.strutEnabled&&Array.isArray(A.fontFamilies)&&A.fontFamilies.length?(A._fontFamiliesPtr=t(A.fontFamilies),A._fontFamiliesLen=
+A.fontFamilies.length):(A._fontFamiliesPtr=M,A._fontFamiliesLen=0);A.fontStyle=n(A.fontStyle);null==A.fontSize&&(A.fontSize=-1);null==A.heightMultiplier&&(A.heightMultiplier=-1);A.halfLeading=A.halfLeading||!1;A.leading=A.leading||0;A.forceStrutHeight=A.forceStrutHeight||!1;p.strutStyle=A;p.textAlign=p.textAlign||g.TextAlign.Start;p.textDirection=p.textDirection||g.TextDirection.LTR;p.textHeightBehavior=p.textHeightBehavior||g.TextHeightBehavior.All;p.textStyle=g.TextStyle(p.textStyle);p.applyRoundingHack=
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+
+
+  return moduleArg.ready
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+
+);
+})();
+if (typeof exports === 'object' && typeof module === 'object')
+  module.exports = CanvasKitInit;
+else if (typeof define === 'function' && define['amd'])
+  define([], () => CanvasKitInit);
--- a/new_backend/public/canvaskit/chromium/canvaskit.js.symbols
+++ b/new_backend/public/canvaskit/chromium/canvaskit.js.symbols
--- a/new_backend/public/canvaskit/chromium/canvaskit.wasm
+++ b/new_backend/public/canvaskit/chromium/canvaskit.wasm
--- a/new_backend/public/canvaskit/skwasm.js
+++ b/new_backend/public/canvaskit/skwasm.js
@ -0,0 +1,171 @@
+
+var skwasm = (() => {
+  var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;
+  if (typeof __filename !== 'undefined') _scriptDir = _scriptDir || __filename;
+  return (
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+w.__emscripten_tls_init=()=>(w.__emscripten_tls_init=F._emscripten_tls_init)();var ed=w.__emscripten_thread_init=(a,b,c,e,f,g)=>(ed=w.__emscripten_thread_init=F._emscripten_thread_init)(a,b,c,e,f,g);w.__emscripten_thread_crashed=()=>(w.__emscripten_thread_crashed=F._emscripten_thread_crashed)();
+var jc=(a,b,c,e)=>(jc=F._emscripten_run_in_main_runtime_thread_js)(a,b,c,e),db=a=>(db=F._emscripten_thread_free_data)(a),jb=w.__emscripten_thread_exit=a=>(jb=w.__emscripten_thread_exit=F._emscripten_thread_exit)(a),wb=w.__emscripten_check_mailbox=()=>(wb=w.__emscripten_check_mailbox=F._emscripten_check_mailbox)(),Z=(a,b)=>(Z=F.setThrew)(a,b),ib=(a,b)=>(ib=F.emscripten_stack_set_limits)(a,b),N=()=>(N=F.stackSave)(),M=a=>(M=F.stackRestore)(a),Cb=w.stackAlloc=a=>(Cb=w.stackAlloc=F.stackAlloc)(a);
+function gd(a,b,c){var e=N();try{return G.get(a)(b,c)}catch(f){M(e);if(f!==f+0)throw f;Z(1,0)}}function md(a,b,c){var e=N();try{G.get(a)(b,c)}catch(f){M(e);if(f!==f+0)throw f;Z(1,0)}}function fd(a,b){var c=N();try{return G.get(a)(b)}catch(e){M(c);if(e!==e+0)throw e;Z(1,0)}}function nd(a,b,c,e){var f=N();try{G.get(a)(b,c,e)}catch(g){M(f);if(g!==g+0)throw g;Z(1,0)}}function hd(a,b,c,e){var f=N();try{return G.get(a)(b,c,e)}catch(g){M(f);if(g!==g+0)throw g;Z(1,0)}}
+function od(a,b,c,e,f){var g=N();try{G.get(a)(b,c,e,f)}catch(k){M(g);if(k!==k+0)throw k;Z(1,0)}}function pd(a,b,c,e,f,g,k,n){var r=N();try{G.get(a)(b,c,e,f,g,k,n)}catch(u){M(r);if(u!==u+0)throw u;Z(1,0)}}function ld(a,b){var c=N();try{G.get(a)(b)}catch(e){M(c);if(e!==e+0)throw e;Z(1,0)}}function kd(a,b,c,e,f,g,k){var n=N();try{return G.get(a)(b,c,e,f,g,k)}catch(r){M(n);if(r!==r+0)throw r;Z(1,0)}}
+function jd(a,b,c,e,f){var g=N();try{return G.get(a)(b,c,e,f)}catch(k){M(g);if(k!==k+0)throw k;Z(1,0)}}w.keepRuntimeAlive=Ka;w.wasmMemory=d;w.wasmExports=F;
+w.addFunction=function(a,b){if(!Yc){Yc=new WeakMap;var c=G.length;if(Yc)for(var e=0;e<0+c;e++){var f=G.get(e);f&&Yc.set(f,e)}}if(c=Yc.get(a)||0)return c;if(Zc.length)c=Zc.pop();else{try{G.grow(1)}catch(n){if(!(n instanceof RangeError))throw n;throw"Unable to grow wasm table. Set ALLOW_TABLE_GROWTH.";}c=G.length-1}try{G.set(c,a)}catch(n){if(!(n instanceof TypeError))throw n;if("function"==typeof WebAssembly.Function){e=WebAssembly.Function;f={i:"i32",j:"i64",f:"f32",d:"f64",p:"i32"};for(var g={parameters:[],
+results:"v"==b[0]?[]:[f[b[0]]]},k=1;k<b.length;++k)g.parameters.push(f[b[k]]);b=new e(g,a)}else{e=[1];f=b.slice(0,1);b=b.slice(1);g={i:127,p:127,j:126,f:125,d:124};e.push(96);k=b.length;128>k?e.push(k):e.push(k%128|128,k>>7);for(k=0;k<b.length;++k)e.push(g[b[k]]);"v"==f?e.push(0):e.push(1,g[f]);b=[0,97,115,109,1,0,0,0,1];f=e.length;128>f?b.push(f):b.push(f%128|128,f>>7);b.push.apply(b,e);b.push(2,7,1,1,101,1,102,0,0,7,5,1,1,102,0,0);b=new WebAssembly.Module(new Uint8Array(b));b=(new WebAssembly.Instance(b,
+{e:{f:a}})).exports.f}G.set(c,b)}Yc.set(a,c);return c};w.ExitStatus=Va;w.PThread=I;var rd;Ma=function sd(){rd||td();rd||(Ma=sd)};
+function td(){function a(){if(!rd&&(rd=!0,w.calledRun=!0,!Ba)){A||hb(Ha);ja(w);if(w.onRuntimeInitialized)w.onRuntimeInitialized();if(!A){if(w.postRun)for("function"==typeof w.postRun&&(w.postRun=[w.postRun]);w.postRun.length;){var b=w.postRun.shift();Ia.unshift(b)}hb(Ia)}}}if(!(0<H))if(A)ja(w),A||hb(Ha),startWorker(w);else{if(w.preRun)for("function"==typeof w.preRun&&(w.preRun=[w.preRun]);w.preRun.length;)Ga.unshift(w.preRun.shift());hb(Ga);0<H||(w.setStatus?(w.setStatus("Running..."),setTimeout(function(){setTimeout(function(){w.setStatus("")},
+1);a()},1)):a())}}if(w.preInit)for("function"==typeof w.preInit&&(w.preInit=[w.preInit]);0<w.preInit.length;)w.preInit.pop()();td();
+
+
+  return moduleArg.ready
+}
+
+);
+})();
+if (typeof exports === 'object' && typeof module === 'object')
+  module.exports = skwasm;
+else if (typeof define === 'function' && define['amd'])
+  define([], () => skwasm);
--- a/new_backend/public/canvaskit/skwasm.js.symbols
+++ b/new_backend/public/canvaskit/skwasm.js.symbols
--- a/new_backend/public/canvaskit/skwasm.wasm
+++ b/new_backend/public/canvaskit/skwasm.wasm
--- a/new_backend/public/canvaskit/skwasm.worker.js
+++ b/new_backend/public/canvaskit/skwasm.worker.js
@ -0,0 +1 @@
+"use strict";var Module={};var ENVIRONMENT_IS_NODE=typeof process=="object"&&typeof process.versions=="object"&&typeof process.versions.node=="string";if(ENVIRONMENT_IS_NODE){var nodeWorkerThreads=require("worker_threads");var parentPort=nodeWorkerThreads.parentPort;parentPort.on("message",data=>onmessage({data:data}));var fs=require("fs");Object.assign(global,{self:global,require:require,Module:Module,location:{href:__filename},Worker:nodeWorkerThreads.Worker,importScripts:f=>(0,eval)(fs.readFileSync(f,"utf8")+"//# sourceURL="+f),postMessage:msg=>parentPort.postMessage(msg),performance:global.performance||{now:Date.now}})}var initializedJS=false;function threadPrintErr(){var text=Array.prototype.slice.call(arguments).join(" ");if(ENVIRONMENT_IS_NODE){fs.writeSync(2,text+"\n");return}console.error(text)}function threadAlert(){var text=Array.prototype.slice.call(arguments).join(" ");postMessage({cmd:"alert",text:text,threadId:Module["_pthread_self"]()})}var err=threadPrintErr;self.alert=threadAlert;Module["instantiateWasm"]=(info,receiveInstance)=>{var module=Module["wasmModule"];Module["wasmModule"]=null;var instance=new WebAssembly.Instance(module,info);return receiveInstance(instance)};self.onunhandledrejection=e=>{throw e.reason??e};function handleMessage(e){try{if(e.data.cmd==="load"){let messageQueue=[];self.onmessage=e=>messageQueue.push(e);self.startWorker=instance=>{Module=instance;postMessage({"cmd":"loaded"});for(let msg of messageQueue){handleMessage(msg)}self.onmessage=handleMessage};Module["wasmModule"]=e.data.wasmModule;for(const handler of e.data.handlers){Module[handler]=(...args)=>{postMessage({cmd:"callHandler",handler:handler,args:args})}}Module["wasmMemory"]=e.data.wasmMemory;Module["buffer"]=Module["wasmMemory"].buffer;Module["ENVIRONMENT_IS_PTHREAD"]=true;if(typeof e.data.urlOrBlob=="string"){importScripts(e.data.urlOrBlob)}else{var objectUrl=URL.createObjectURL(e.data.urlOrBlob);importScripts(objectUrl);URL.revokeObjectURL(objectUrl)}skwasm(Module)}else if(e.data.cmd==="run"){Module["__emscripten_thread_init"](e.data.pthread_ptr,/*isMainBrowserThread=*/0,/*isMainRuntimeThread=*/0,/*canBlock=*/1);Module["__emscripten_thread_mailbox_await"](e.data.pthread_ptr);Module["establishStackSpace"]();Module["PThread"].receiveObjectTransfer(e.data);Module["PThread"].threadInitTLS();if(!initializedJS){initializedJS=true}try{Module["invokeEntryPoint"](e.data.start_routine,e.data.arg)}catch(ex){if(ex!="unwind"){throw ex}}}else if(e.data.cmd==="cancel"){if(Module["_pthread_self"]()){Module["__emscripten_thread_exit"](-1)}}else if(e.data.target==="setimmediate"){}else if(e.data.cmd==="checkMailbox"){if(initializedJS){Module["checkMailbox"]()}}else if(e.data.cmd){err("worker.js received unknown command "+e.data.cmd);err(e.data)}}catch(ex){if(Module["__emscripten_thread_crashed"]){Module["__emscripten_thread_crashed"]()}throw ex}}self.onmessage=handleMessage;
--- a/new_backend/public/favicon.png
+++ b/new_backend/public/favicon.png
--- a/new_backend/public/flutter.js
+++ b/new_backend/public/flutter.js
@ -0,0 +1,4 @@
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+The current context is NOT secure.`,a+=`
+Read more: https://developer.mozilla.org/en-US/docs/Web/Security/Secure_Contexts`),Promise.reject(new Error(a))}let{serviceWorkerVersion:n,serviceWorkerUrl:r=`${w}flutter_service_worker.js?v=${n}`,timeoutMillis:t=4e3}=e,i=r;this._ttPolicy!=null&&(i=this._ttPolicy.createScriptURL(i));let s=navigator.serviceWorker.register(i).then(a=>this._getNewServiceWorker(a,n)).then(this._waitForServiceWorkerActivation);return b(s,t,"prepareServiceWorker")}async _getNewServiceWorker(e,n){if(!e.active&&(e.installing||e.waiting))return console.debug("Installing/Activating first service worker."),e.installing||e.waiting;if(e.active.scriptURL.endsWith(n))return console.debug("Loading from existing service worker."),e.active;{let r=await e.update();return console.debug("Updating service worker."),r.installing||r.waiting||r.active}}async _waitForServiceWorkerActivation(e){if(!e||e.state==="activated")if(e){console.debug("Service worker already active.");return}else throw new Error("Cannot activate a null service worker!");return new Promise((n,r)=>{e.addEventListener("statechange",()=>{e.state==="activated"&&(console.debug("Activated new service worker."),n())})})}};var v=class{constructor(e,n="flutter-js"){let r=e||[/\.js$/,/\.mjs$/];window.trustedTypes&&(this.policy=trustedTypes.createPolicy(n,{createScriptURL:function(t){if(t.startsWith("blob:"))return t;let i=new URL(t,window.location),s=i.pathname.split("/").pop();if(r.some(d=>d.test(s)))return i.toString();console.error("URL rejected by TrustedTypes policy",n,":",t,"(download prevented)")}}))}};var y=o=>{let e=WebAssembly.compileStreaming(fetch(o));return(n,r)=>((async()=>{let t=await e,i=await WebAssembly.instantiate(t,n);r(i,t)})(),{})};var C=(o,e,n,r)=>window.flutterCanvasKit?Promise.resolve(window.flutterCanvasKit):(window.flutterCanvasKitLoaded=new Promise((t,i)=>{let s=n.hasChromiumBreakIterators&&n.hasImageCodecs;if(!s&&e.canvasKitVariant=="chromium")throw"Chromium CanvasKit variant specifically requested, but unsupported in this browser";let a=s&&e.canvasKitVariant!=="full",d=e.canvasKitBaseUrl??`https://www.gstatic.com/flutter-canvaskit/${r}/`;a&&(d=`${d}chromium/`);let c=`${d}canvaskit.js`;o.flutterTT.policy&&(c=o.flutterTT.policy.createScriptURL(c));let u=y(`${d}canvaskit.wasm`),l=document.createElement("script");l.src=c,e.nonce&&(l.nonce=e.nonce),l.addEventListener("load",async()=>{try{let m=await CanvasKitInit({instantiateWasm:u});window.flutterCanvasKit=m,t(m)}catch(m){i(m)}}),l.addEventListener("error",i),document.head.appendChild(l)}),window.flutterCanvasKitLoaded);var _=(o,e,n,r)=>new Promise((t,i)=>{let s=e.canvasKitBaseUrl??`https://www.gstatic.com/flutter-canvaskit/${r}/`,a=`${s}skwasm.js`;o.flutterTT.policy&&(a=o.flutterTT.policy.createScriptURL(a));let d=y(`${s}skwasm.wasm`),c=document.createElement("script");c.src=a,e.nonce&&(c.nonce=e.nonce),c.addEventListener("load",async()=>{try{let u=await skwasm({instantiateWasm:d,locateFile:(l,m)=>{let k=m+l;return k.endsWith(".worker.js")?URL.createObjectURL(new Blob([`importScripts('${k}');`],{type:"application/javascript"})):k}});t(u)}catch(u){i(u)}}),c.addEventListener("error",i),document.head.appendChild(c)});var g=class{async loadEntrypoint(e){let{serviceWorker:n,...r}=e||{},t=new v,i=new h;i.setTrustedTypesPolicy(t.policy),await i.loadServiceWorker(n).catch(a=>{console.warn("Exception while loading service worker:",a)});let s=new f;return s.setTrustedTypesPolicy(t.policy),this.didCreateEngineInitializer=s.didCreateEngineInitializer.bind(s),s.loadEntrypoint(r)}async load({serviceWorkerSettings:e,onEntrypointLoaded:n,nonce:r,config:t}={}){t??={};let i=_flutter.buildConfig;if(!i)throw"FlutterLoader.load requires _flutter.buildConfig to be set";let s=l=>{switch(l){case"skwasm":return p.crossOriginIsolated&&p.hasChromiumBreakIterators&&p.hasImageCodecs&&p.supportsWasmGC;default:return!0}},a=l=>l.compileTarget==="dart2wasm"&&!p.supportsWasmGC||t.renderer&&t.renderer!=l.renderer?!1:s(l.renderer),d=i.builds.find(a);if(!d)throw"FlutterLoader could not find a build compatible with configuration and environment.";let c={};c.flutterTT=new v,e&&(c.serviceWorkerLoader=new h,c.serviceWorkerLoader.setTrustedTypesPolicy(c.flutterTT.policy),await c.serviceWorkerLoader.loadServiceWorker(e).catch(l=>{console.warn("Exception while loading service worker:",l)})),d.renderer==="canvaskit"?c.canvasKit=C(c,t,p,i.engineRevision):d.renderer==="skwasm"&&(c.skwasm=_(c,t,p,i.engineRevision));let u=new f;return u.setTrustedTypesPolicy(c.flutterTT.policy),this.didCreateEngineInitializer=u.didCreateEngineInitializer.bind(u),u.load(d,c,t,r,n)}};window._flutter||(window._flutter={});window._flutter.loader||(window._flutter.loader=new g);})();
+//# sourceMappingURL=flutter.js.map
--- a/new_backend/public/flutter_bootstrap.js
+++ b/new_backend/public/flutter_bootstrap.js
@ -0,0 +1,16 @@
+(()=>{var I=()=>navigator.vendor==="Google Inc."||navigator.agent==="Edg/",T=()=>typeof ImageDecoder>"u"?!1:I(),E=()=>typeof Intl.v8BreakIterator<"u"&&typeof Intl.Segmenter<"u",S=()=>{let o=[0,97,115,109,1,0,0,0,1,5,1,95,1,120,0];return WebAssembly.validate(new Uint8Array(o))},p={hasImageCodecs:T(),hasChromiumBreakIterators:E(),supportsWasmGC:S(),crossOriginIsolated:window.crossOriginIsolated};var w=U(L());function L(){let o=document.querySelector("base");return o&&o.getAttribute("href")||""}function U(o){return o===""||o.endsWith("/")?o:`${o}/`}var f=class{constructor(){this._scriptLoaded=!1}setTrustedTypesPolicy(e){this._ttPolicy=e}async loadEntrypoint(e){let{entrypointUrl:n=`${w}main.dart.js`,onEntrypointLoaded:r,nonce:t}=e||{};return this._loadJSEntrypoint(n,r,t)}async load(e,n,r,t,i){if(i??=s=>{s.initializeEngine(r).then(a=>a.runApp())},e.compileTarget==="dart2wasm")return this._loadWasmEntrypoint(e,n,i);{let s=e.mainJsPath??"main.dart.js",a=`${w}${s}`;return this._loadJSEntrypoint(a,i,t)}}didCreateEngineInitializer(e){typeof this._didCreateEngineInitializerResolve=="function"&&(this._didCreateEngineInitializerResolve(e),this._didCreateEngineInitializerResolve=null,delete _flutter.loader.didCreateEngineInitializer),typeof this._onEntrypointLoaded=="function"&&this._onEntrypointLoaded(e)}_loadJSEntrypoint(e,n,r){let t=typeof n=="function";if(!this._scriptLoaded){this._scriptLoaded=!0;let i=this._createScriptTag(e,r);if(t)console.debug("Injecting <script> tag. Using callback."),this._onEntrypointLoaded=n,document.head.append(i);else return new Promise((s,a)=>{console.debug("Injecting <script> tag. Using Promises. Use the callback approach instead!"),this._didCreateEngineInitializerResolve=s,i.addEventListener("error",a),document.head.append(i)})}}async _loadWasmEntrypoint(e,n,r){if(!this._scriptLoaded){this._scriptLoaded=!0,this._onEntrypointLoaded=r;let{mainWasmPath:t,jsSupportRuntimePath:i}=e,s=`${w}${t}`,a=`${w}${i}`;this._ttPolicy!=null&&(a=this._ttPolicy.createScriptURL(a));let d=WebAssembly.compileStreaming(fetch(s)),c=await import(a),u;e.renderer==="skwasm"?u=(async()=>{let m=await n.skwasm;return window._flutter_skwasmInstance=m,{skwasm:m.wasmExports,skwasmWrapper:m,ffi:{memory:m.wasmMemory}}})():u={};let l=await c.instantiate(d,u);await c.invoke(l)}}_createScriptTag(e,n){let r=document.createElement("script");r.type="application/javascript",n&&(r.nonce=n);let t=e;return this._ttPolicy!=null&&(t=this._ttPolicy.createScriptURL(e)),r.src=t,r}};async function b(o,e,n){if(e<0)return o;let r,t=new Promise((i,s)=>{r=setTimeout(()=>{s(new Error(`${n} took more than ${e}ms to resolve. Moving on.`,{cause:b}))},e)});return Promise.race([o,t]).finally(()=>{clearTimeout(r)})}var h=class{setTrustedTypesPolicy(e){this._ttPolicy=e}loadServiceWorker(e){if(!e)return console.debug("Null serviceWorker configuration. Skipping."),Promise.resolve();if(!("serviceWorker"in navigator)){let a="Service Worker API unavailable.";return window.isSecureContext||(a+=`
+The current context is NOT secure.`,a+=`
+Read more: https://developer.mozilla.org/en-US/docs/Web/Security/Secure_Contexts`),Promise.reject(new Error(a))}let{serviceWorkerVersion:n,serviceWorkerUrl:r=`${w}flutter_service_worker.js?v=${n}`,timeoutMillis:t=4e3}=e,i=r;this._ttPolicy!=null&&(i=this._ttPolicy.createScriptURL(i));let s=navigator.serviceWorker.register(i).then(a=>this._getNewServiceWorker(a,n)).then(this._waitForServiceWorkerActivation);return b(s,t,"prepareServiceWorker")}async _getNewServiceWorker(e,n){if(!e.active&&(e.installing||e.waiting))return console.debug("Installing/Activating first service worker."),e.installing||e.waiting;if(e.active.scriptURL.endsWith(n))return console.debug("Loading from existing service worker."),e.active;{let r=await e.update();return console.debug("Updating service worker."),r.installing||r.waiting||r.active}}async _waitForServiceWorkerActivation(e){if(!e||e.state==="activated")if(e){console.debug("Service worker already active.");return}else throw new Error("Cannot activate a null service worker!");return new Promise((n,r)=>{e.addEventListener("statechange",()=>{e.state==="activated"&&(console.debug("Activated new service worker."),n())})})}};var v=class{constructor(e,n="flutter-js"){let r=e||[/\.js$/,/\.mjs$/];window.trustedTypes&&(this.policy=trustedTypes.createPolicy(n,{createScriptURL:function(t){if(t.startsWith("blob:"))return t;let i=new URL(t,window.location),s=i.pathname.split("/").pop();if(r.some(d=>d.test(s)))return i.toString();console.error("URL rejected by TrustedTypes policy",n,":",t,"(download prevented)")}}))}};var y=o=>{let e=WebAssembly.compileStreaming(fetch(o));return(n,r)=>((async()=>{let t=await e,i=await WebAssembly.instantiate(t,n);r(i,t)})(),{})};var C=(o,e,n,r)=>window.flutterCanvasKit?Promise.resolve(window.flutterCanvasKit):(window.flutterCanvasKitLoaded=new Promise((t,i)=>{let s=n.hasChromiumBreakIterators&&n.hasImageCodecs;if(!s&&e.canvasKitVariant=="chromium")throw"Chromium CanvasKit variant specifically requested, but unsupported in this browser";let a=s&&e.canvasKitVariant!=="full",d=e.canvasKitBaseUrl??`https://www.gstatic.com/flutter-canvaskit/${r}/`;a&&(d=`${d}chromium/`);let c=`${d}canvaskit.js`;o.flutterTT.policy&&(c=o.flutterTT.policy.createScriptURL(c));let u=y(`${d}canvaskit.wasm`),l=document.createElement("script");l.src=c,e.nonce&&(l.nonce=e.nonce),l.addEventListener("load",async()=>{try{let m=await CanvasKitInit({instantiateWasm:u});window.flutterCanvasKit=m,t(m)}catch(m){i(m)}}),l.addEventListener("error",i),document.head.appendChild(l)}),window.flutterCanvasKitLoaded);var _=(o,e,n,r)=>new Promise((t,i)=>{let s=e.canvasKitBaseUrl??`https://www.gstatic.com/flutter-canvaskit/${r}/`,a=`${s}skwasm.js`;o.flutterTT.policy&&(a=o.flutterTT.policy.createScriptURL(a));let d=y(`${s}skwasm.wasm`),c=document.createElement("script");c.src=a,e.nonce&&(c.nonce=e.nonce),c.addEventListener("load",async()=>{try{let u=await skwasm({instantiateWasm:d,locateFile:(l,m)=>{let k=m+l;return k.endsWith(".worker.js")?URL.createObjectURL(new Blob([`importScripts('${k}');`],{type:"application/javascript"})):k}});t(u)}catch(u){i(u)}}),c.addEventListener("error",i),document.head.appendChild(c)});var g=class{async loadEntrypoint(e){let{serviceWorker:n,...r}=e||{},t=new v,i=new h;i.setTrustedTypesPolicy(t.policy),await i.loadServiceWorker(n).catch(a=>{console.warn("Exception while loading service worker:",a)});let s=new f;return s.setTrustedTypesPolicy(t.policy),this.didCreateEngineInitializer=s.didCreateEngineInitializer.bind(s),s.loadEntrypoint(r)}async load({serviceWorkerSettings:e,onEntrypointLoaded:n,nonce:r,config:t}={}){t??={};let i=_flutter.buildConfig;if(!i)throw"FlutterLoader.load requires _flutter.buildConfig to be set";let s=l=>{switch(l){case"skwasm":return p.crossOriginIsolated&&p.hasChromiumBreakIterators&&p.hasImageCodecs&&p.supportsWasmGC;default:return!0}},a=l=>l.compileTarget==="dart2wasm"&&!p.supportsWasmGC||t.renderer&&t.renderer!=l.renderer?!1:s(l.renderer),d=i.builds.find(a);if(!d)throw"FlutterLoader could not find a build compatible with configuration and environment.";let c={};c.flutterTT=new v,e&&(c.serviceWorkerLoader=new h,c.serviceWorkerLoader.setTrustedTypesPolicy(c.flutterTT.policy),await c.serviceWorkerLoader.loadServiceWorker(e).catch(l=>{console.warn("Exception while loading service worker:",l)})),d.renderer==="canvaskit"?c.canvasKit=C(c,t,p,i.engineRevision):d.renderer==="skwasm"&&(c.skwasm=_(c,t,p,i.engineRevision));let u=new f;return u.setTrustedTypesPolicy(c.flutterTT.policy),this.didCreateEngineInitializer=u.didCreateEngineInitializer.bind(u),u.load(d,c,t,r,n)}};window._flutter||(window._flutter={});window._flutter.loader||(window._flutter.loader=new g);})();
+//# sourceMappingURL=flutter.js.map
+
+if (!window._flutter) {
+  window._flutter = {};
+}
+_flutter.buildConfig = {"engineRevision":"edd8546116457bdf1c5bdfb13ecb9463d2bb5ed4","builds":[{"compileTarget":"dart2js","renderer":"auto","mainJsPath":"main.dart.js"}]};
+
+
+_flutter.loader.load({
+  serviceWorkerSettings: {
+    serviceWorkerVersion: "724994457"
+  }
+});
--- a/new_backend/public/flutter_service_worker.js
+++ b/new_backend/public/flutter_service_worker.js
@ -0,0 +1,204 @@
+'use strict';
+const MANIFEST = 'flutter-app-manifest';
+const TEMP = 'flutter-temp-cache';
+const CACHE_NAME = 'flutter-app-cache';
+
+const RESOURCES = {"icons/Icon-maskable-512.png": "301a7604d45b3e739efc881eb04896ea",
+"icons/Icon-maskable-192.png": "c457ef57daa1d16f64b27b786ec2ea3c",
+"icons/Icon-192.png": "ac9a721a12bbc803b44f645561ecb1e1",
+"icons/Icon-512.png": "96e752610906ba2a93c65f8abe1645f1",
+"main.dart.js": "3dc0fb060e0b953ed34da6d174a24a97",
+"flutter.js": "383e55f7f3cce5be08fcf1f3881f585c",
+"manifest.json": "906fc433ff2f17c2c8af10ca573ca807",
+"index.html": "6465dc9a008a1c115b9da4f931498a54",
+"/": "6465dc9a008a1c115b9da4f931498a54",
+"canvaskit/skwasm.worker.js": "bfb704a6c714a75da9ef320991e88b03",
+"canvaskit/skwasm.js": "5d4f9263ec93efeb022bb14a3881d240",
+"canvaskit/skwasm.js.symbols": "c3c05bd50bdf59da8626bbe446ce65a3",
+"canvaskit/canvaskit.js": "738255d00768497e86aa4ca510cce1e1",
+"canvaskit/skwasm.wasm": "4051bfc27ba29bf420d17aa0c3a98bce",
+"canvaskit/canvaskit.wasm": "9251bb81ae8464c4df3b072f84aa969b",
+"canvaskit/chromium/canvaskit.js": "901bb9e28fac643b7da75ecfd3339f3f",
+"canvaskit/chromium/canvaskit.wasm": "399e2344480862e2dfa26f12fa5891d7",
+"canvaskit/chromium/canvaskit.js.symbols": "ee7e331f7f5bbf5ec937737542112372",
+"canvaskit/canvaskit.js.symbols": "74a84c23f5ada42fe063514c587968c6",
+"flutter_bootstrap.js": "43d90b9c1dc732462e810c63875b2949",
+"favicon.png": "5dcef449791fa27946b3d35ad8803796",
+"assets/NOTICES": "213fab269de5c9d0588132bd340226cd",
+"assets/fonts/MaterialIcons-Regular.otf": "815edb808938d2e08004691cee29f790",
+"assets/AssetManifest.json": "99914b932bd37a50b983c5e7c90ae93b",
+"assets/AssetManifest.bin": "0b0a3415aad49b6e9bf965ff578614f9",
+"assets/FontManifest.json": "7b2a36307916a9721811788013e65289",
+"assets/AssetManifest.bin.json": "a1fee2517bf598633e2f67fcf3e26c94",
+"assets/shaders/ink_sparkle.frag": "ecc85a2e95f5e9f53123dcaf8cb9b6ce",
+"version.json": "2b521e10dfa0f067561de489a19d6620"};
+// The application shell files that are downloaded before a service worker can
+// start.
+const CORE = ["main.dart.js",
+"index.html",
+"flutter_bootstrap.js",
+"assets/AssetManifest.bin.json",
+"assets/FontManifest.json"];
+
+// During install, the TEMP cache is populated with the application shell files.
+self.addEventListener("install", (event) => {
+  self.skipWaiting();
+  return event.waitUntil(
+    caches.open(TEMP).then((cache) => {
+      return cache.addAll(
+        CORE.map((value) => new Request(value, {'cache': 'reload'})));
+    })
+  );
+});
+// During activate, the cache is populated with the temp files downloaded in
+// install. If this service worker is upgrading from one with a saved
+// MANIFEST, then use this to retain unchanged resource files.
+self.addEventListener("activate", function(event) {
+  return event.waitUntil(async function() {
+    try {
+      var contentCache = await caches.open(CACHE_NAME);
+      var tempCache = await caches.open(TEMP);
+      var manifestCache = await caches.open(MANIFEST);
+      var manifest = await manifestCache.match('manifest');
+      // When there is no prior manifest, clear the entire cache.
+      if (!manifest) {
+        await caches.delete(CACHE_NAME);
+        contentCache = await caches.open(CACHE_NAME);
+        for (var request of await tempCache.keys()) {
+          var response = await tempCache.match(request);
+          await contentCache.put(request, response);
+        }
+        await caches.delete(TEMP);
+        // Save the manifest to make future upgrades efficient.
+        await manifestCache.put('manifest', new Response(JSON.stringify(RESOURCES)));
+        // Claim client to enable caching on first launch
+        self.clients.claim();
+        return;
+      }
+      var oldManifest = await manifest.json();
+      var origin = self.location.origin;
+      for (var request of await contentCache.keys()) {
+        var key = request.url.substring(origin.length + 1);
+        if (key == "") {
+          key = "/";
+        }
+        // If a resource from the old manifest is not in the new cache, or if
+        // the MD5 sum has changed, delete it. Otherwise the resource is left
+        // in the cache and can be reused by the new service worker.
+        if (!RESOURCES[key] || RESOURCES[key] != oldManifest[key]) {
+          await contentCache.delete(request);
+        }
+      }
+      // Populate the cache with the app shell TEMP files, potentially overwriting
+      // cache files preserved above.
+      for (var request of await tempCache.keys()) {
+        var response = await tempCache.match(request);
+        await contentCache.put(request, response);
+      }
+      await caches.delete(TEMP);
+      // Save the manifest to make future upgrades efficient.
+      await manifestCache.put('manifest', new Response(JSON.stringify(RESOURCES)));
+      // Claim client to enable caching on first launch
+      self.clients.claim();
+      return;
+    } catch (err) {
+      // On an unhandled exception the state of the cache cannot be guaranteed.
+      console.error('Failed to upgrade service worker: ' + err);
+      await caches.delete(CACHE_NAME);
+      await caches.delete(TEMP);
+      await caches.delete(MANIFEST);
+    }
+  }());
+});
+// The fetch handler redirects requests for RESOURCE files to the service
+// worker cache.
+self.addEventListener("fetch", (event) => {
+  if (event.request.method !== 'GET') {
+    return;
+  }
+  var origin = self.location.origin;
+  var key = event.request.url.substring(origin.length + 1);
+  // Redirect URLs to the index.html
+  if (key.indexOf('?v=') != -1) {
+    key = key.split('?v=')[0];
+  }
+  if (event.request.url == origin || event.request.url.startsWith(origin + '/#') || key == '') {
+    key = '/';
+  }
+  // If the URL is not the RESOURCE list then return to signal that the
+  // browser should take over.
+  if (!RESOURCES[key]) {
+    return;
+  }
+  // If the URL is the index.html, perform an online-first request.
+  if (key == '/') {
+    return onlineFirst(event);
+  }
+  event.respondWith(caches.open(CACHE_NAME)
+    .then((cache) =>  {
+      return cache.match(event.request).then((response) => {
+        // Either respond with the cached resource, or perform a fetch and
+        // lazily populate the cache only if the resource was successfully fetched.
+        return response || fetch(event.request).then((response) => {
+          if (response && Boolean(response.ok)) {
+            cache.put(event.request, response.clone());
+          }
+          return response;
+        });
+      })
+    })
+  );
+});
+self.addEventListener('message', (event) => {
+  // SkipWaiting can be used to immediately activate a waiting service worker.
+  // This will also require a page refresh triggered by the main worker.
+  if (event.data === 'skipWaiting') {
+    self.skipWaiting();
+    return;
+  }
+  if (event.data === 'downloadOffline') {
+    downloadOffline();
+    return;
+  }
+});
+// Download offline will check the RESOURCES for all files not in the cache
+// and populate them.
+async function downloadOffline() {
+  var resources = [];
+  var contentCache = await caches.open(CACHE_NAME);
+  var currentContent = {};
+  for (var request of await contentCache.keys()) {
+    var key = request.url.substring(origin.length + 1);
+    if (key == "") {
+      key = "/";
+    }
+    currentContent[key] = true;
+  }
+  for (var resourceKey of Object.keys(RESOURCES)) {
+    if (!currentContent[resourceKey]) {
+      resources.push(resourceKey);
+    }
+  }
+  return contentCache.addAll(resources);
+}
+// Attempt to download the resource online before falling back to
+// the offline cache.
+function onlineFirst(event) {
+  return event.respondWith(
+    fetch(event.request).then((response) => {
+      return caches.open(CACHE_NAME).then((cache) => {
+        cache.put(event.request, response.clone());
+        return response;
+      });
+    }).catch((error) => {
+      return caches.open(CACHE_NAME).then((cache) => {
+        return cache.match(event.request).then((response) => {
+          if (response != null) {
+            return response;
+          }
+          throw error;
+        });
+      });
+    })
+  );
+}
--- a/new_backend/public/icons/Icon-192.png
+++ b/new_backend/public/icons/Icon-192.png
--- a/new_backend/public/icons/Icon-512.png
+++ b/new_backend/public/icons/Icon-512.png
--- a/new_backend/public/icons/Icon-maskable-192.png
+++ b/new_backend/public/icons/Icon-maskable-192.png
--- a/new_backend/public/icons/Icon-maskable-512.png
+++ b/new_backend/public/icons/Icon-maskable-512.png
--- a/new_backend/public/index.html
+++ b/new_backend/public/index.html
@ -0,0 +1,38 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <!--
+    If you are serving your web app in a path other than the root, change the
+    href value below to reflect the base path you are serving from.
+
+    The path provided below has to start and end with a slash "/" in order for
+    it to work correctly.
+
+    For more details:
+    * https://developer.mozilla.org/en-US/docs/Web/HTML/Element/base
+
+    This is a placeholder for base href that will be replaced by the value of
+    the `--base-href` argument provided to `flutter build`.
+  -->
+  <base href="/">
+
+  <meta charset="UTF-8">
+  <meta content="IE=Edge" http-equiv="X-UA-Compatible">
+  <meta name="description" content="A new Flutter project.">
+
+  <!-- iOS meta tags & icons -->
+  <meta name="apple-mobile-web-app-capable" content="yes">
+  <meta name="apple-mobile-web-app-status-bar-style" content="black">
+  <meta name="apple-mobile-web-app-title" content="frontend">
+  <link rel="apple-touch-icon" href="icons/Icon-192.png">
+
+  <!-- Favicon -->
+  <link rel="icon" type="image/png" href="favicon.png"/>
+
+  <title>frontend</title>
+  <link rel="manifest" href="manifest.json">
+</head>
+<body>
+  <script src="flutter_bootstrap.js" async></script>
+</body>
+</html>
--- a/new_backend/public/main.dart.js
+++ b/new_backend/public/main.dart.js
--- a/new_backend/public/manifest.json
+++ b/new_backend/public/manifest.json
@ -0,0 +1,35 @@
+{
+    "name": "frontend",
+    "short_name": "frontend",
+    "start_url": ".",
+    "display": "standalone",
+    "background_color": "#0175C2",
+    "theme_color": "#0175C2",
+    "description": "A new Flutter project.",
+    "orientation": "portrait-primary",
+    "prefer_related_applications": false,
+    "icons": [
+        {
+            "src": "icons/Icon-192.png",
+            "sizes": "192x192",
+            "type": "image/png"
+        },
+        {
+            "src": "icons/Icon-512.png",
+            "sizes": "512x512",
+            "type": "image/png"
+        },
+        {
+            "src": "icons/Icon-maskable-192.png",
+            "sizes": "192x192",
+            "type": "image/png",
+            "purpose": "maskable"
+        },
+        {
+            "src": "icons/Icon-maskable-512.png",
+            "sizes": "512x512",
+            "type": "image/png",
+            "purpose": "maskable"
+        }
+    ]
+}
--- a/new_backend/public/version.json
+++ b/new_backend/public/version.json
@ -0,0 +1 @@
+{"app_name":"frontend","version":"1.0.0","build_number":"1","package_name":"frontend"}
--- a/new_backend/pubspec.yaml
+++ b/new_backend/pubspec.yaml
@ -0,0 +1,16 @@
+name: new_backend
+description: A new Dart Frog application
+version: 1.0.0+1
+publish_to: none
+
+environment:
+  sdk: ">=3.0.0 <4.0.0"
+
+dependencies:
+  dart_frog: ^1.1.0
+  path: ^1.9.0
+
+dev_dependencies:
+  mocktail: ^1.0.3
+  test: ^1.25.5
+  very_good_analysis: ^5.1.0
--- a/new_backend/routes/index.dart
+++ b/new_backend/routes/index.dart
@ -0,0 +1,51 @@
+import 'dart:convert';
+import 'dart:io';
+
+import 'package:dart_frog/dart_frog.dart';
+import 'package:new_backend/shrink_ray.dart';
+import 'package:path/path.dart' as path;
+
+Future<Response> onRequest(RequestContext context) async {
+  switch (context.request.method) {
+    case HttpMethod.put:
+    case HttpMethod.delete:
+    case HttpMethod.head:
+    case HttpMethod.options:
+    case HttpMethod.patch:
+      return Response(statusCode: 404);
+    case HttpMethod.post:
+      try {
+        final reqJson = await context.request.body();
+        final data = jsonDecode(reqJson) as Map<String, dynamic>;
+        final url = data['url'] as String?;
+        if (url == null) {
+          return Response(statusCode: 401, body: 'Missing url');
+        }
+        await Future<void>.delayed(const Duration(seconds: 2));
+        final res = ShrinkRay.shrinkUrl(url);
+        switch (res.status) {
+          case Status.ok:
+            shrunkUrls[res.content] = url;
+            return Response(
+              body: jsonEncode(
+                {'url': 'http://localhost:8080/u/${res.content}'},
+              ),
+            );
+          case Status.error:
+            return Response(statusCode: 401, body: res.content);
+        }
+      } catch (err, st) {
+        print(st);
+        print(err);
+        return Response(statusCode: 500, body: 'Unexpected error occurred');
+      }
+    case HttpMethod.get:
+      final file = File(path.join(Directory.current.path, 'public', 'index.html'));
+      if (!file.existsSync()) {
+        return Response(body: 'Index Not found');
+      }
+      final indexHtml = file.readAsStringSync();
+
+      return Response(body: indexHtml, headers: {'Content-Type': 'text/html'});
+  }
+}
--- a/new_backend/routes/u/[urlPath].dart
+++ b/new_backend/routes/u/[urlPath].dart
@ -0,0 +1,24 @@
+import 'dart:convert';
+
+import 'package:dart_frog/dart_frog.dart';
+import 'package:new_backend/shrink_ray.dart';
+
+Future<Response> onRequest(RequestContext context, String urlPath) async {
+  switch (context.request.method) {
+    case HttpMethod.put:
+    case HttpMethod.delete:
+    case HttpMethod.head:
+    case HttpMethod.options:
+    case HttpMethod.patch:
+    case HttpMethod.post:
+      return Response(statusCode: 404);
+    case HttpMethod.get:
+      final maybeUrl = shrunkUrls[urlPath];
+      switch (maybeUrl) {
+        case null:
+          return Response(statusCode: 404);
+        default:
+          return Response(statusCode: 302, headers: {'Location': maybeUrl});
+      }
+  }
+}
--- a/new_backend/test/lib/shrink_ray_test.dart
+++ b/new_backend/test/lib/shrink_ray_test.dart
@ -0,0 +1,32 @@
+import 'package:new_backend/shrink_ray.dart';
+import 'package:test/test.dart';
+
+void main() {
+  test('ShrinkRay equal urls get converted to the same shrunk url', () {
+    const ytUrl = 'https://youtube.com';
+    final ytRes = ShrinkRay.shrinkUrl(ytUrl);
+    final ytRes2 = ShrinkRay.shrinkUrl(ytUrl);
+    expect(ytRes.status, ytRes2.status);
+    expect(ytRes.content, ytRes2.content);
+
+    const startSearchUrl = 'https://www.startpage.com/sp/search?query=how+to+be+awesome';
+    final startSearchRes = ShrinkRay.shrinkUrl(startSearchUrl);
+    final startSearchRes2 = ShrinkRay.shrinkUrl(startSearchUrl);
+    expect(startSearchRes.status, startSearchRes2.status);
+    expect(startSearchRes.content, startSearchRes2.content);
+  });
+
+  test('ShrinkRay invalid Urls return error status and message', () {
+    const badScheme = 'ht://google.com';
+    final schemeRes = ShrinkRay.shrinkUrl(badScheme);
+    expect(schemeRes.status, Status.error);
+
+    const badUrl = 'hello world';
+    final urlRes = ShrinkRay.shrinkUrl(badUrl);
+    expect(urlRes.status, Status.error);
+
+    const badPort = 'http://fosscat.com:1234';
+    final portRes = ShrinkRay.shrinkUrl(badPort);
+    expect(portRes.status, Status.error);
+  });
+}
--- a/new_backend/test/routes/index_test.dart
+++ b/new_backend/test/routes/index_test.dart
@ -0,0 +1,21 @@
+import 'dart:io';
+
+import 'package:dart_frog/dart_frog.dart';
+import 'package:mocktail/mocktail.dart';
+import 'package:test/test.dart';
+
+class _MockRequestContext extends Mock implements RequestContext {}
+
+void main() {
+  group('GET /', () {
+    test('responds with a 200 and "Welcome to Dart Frog!".', () {
+      // final context = _MockRequestContext();
+      // final response = route.onRequest(context);
+      // expect(response.statusCode, equals(HttpStatus.ok));
+      // expect(
+      //   response.body(),
+      //   completion(equals('Welcome to Dart Frog!')),
+      // );
+    });
+  });
+}
				`@ -0,0 +1 @@`
				`[{"family":"MaterialIcons","fonts":[{"asset":"fonts/MaterialIcons-Regular.otf"}]}]`
				`@ -0,0 +1 @@`
				"use strict";var Module={};var ENVIRONMENT_IS_NODE=typeof process=="object"&&typeof process.versions=="object"&&typeof process.versions.node=="string";if(ENVIRONMENT_IS_NODE){var nodeWorkerThreads=require("worker_threads");var parentPort=nodeWorkerThreads.parentPort;parentPort.on("message",data=>onmessage({data:data}));var fs=require("fs");Object.assign(global,{self:global,require:require,Module:Module,location:{href:__filename},Worker:nodeWorkerThreads.Worker,importScripts:f=>(0,eval)(fs.readFileSync(f,"utf8")+"//# sourceURL="+f),postMessage:msg=>parentPort.postMessage(msg),performance:global.performance\|\|{now:Date.now}})}var initializedJS=false;function threadPrintErr(){var text=Array.prototype.slice.call(arguments).join(" ");if(ENVIRONMENT_IS_NODE){fs.writeSync(2,text+"\n");return}console.error(text)}function threadAlert(){var text=Array.prototype.slice.call(arguments).join(" ");postMessage({cmd:"alert",text:text,threadId:Module["_pthread_self"]()})}var err=threadPrintErr;self.alert=threadAlert;Module["instantiateWasm"]=(info,receiveInstance)=>{var module=Module["wasmModule"];Module["wasmModule"]=null;var instance=new WebAssembly.Instance(module,info);return receiveInstance(instance)};self.onunhandledrejection=e=>{throw e.reason??e};function handleMessage(e){try{if(e.data.cmd==="load"){let messageQueue=[];self.onmessage=e=>messageQueue.push(e);self.startWorker=instance=>{Module=instance;postMessage({"cmd":"loaded"});for(let msg of messageQueue){handleMessage(msg)}self.onmessage=handleMessage};Module["wasmModule"]=e.data.wasmModule;for(const handler of e.data.handlers){Module[handler]=(...args)=>{postMessage({cmd:"callHandler",handler:handler,args:args})}}Module["wasmMemory"]=e.data.wasmMemory;Module["buffer"]=Module["wasmMemory"].buffer;Module["ENVIRONMENT_IS_PTHREAD"]=true;if(typeof e.data.urlOrBlob=="string"){importScripts(e.data.urlOrBlob)}else{var objectUrl=URL.createObjectURL(e.data.urlOrBlob);importScripts(objectUrl);URL.revokeObjectURL(objectUrl)}skwasm(Module)}else if(e.data.cmd==="run"){Module["__emscripten_thread_init"](e.data.pthread_ptr,/isMainBrowserThread=/0,/isMainRuntimeThread=/0,/canBlock=/1);Module["__emscripten_thread_mailbox_await"](e.data.pthread_ptr);Module["establishStackSpace"]();Module["PThread"].receiveObjectTransfer(e.data);Module["PThread"].threadInitTLS();if(!initializedJS){initializedJS=true}try{Module["invokeEntryPoint"](e.data.start_routine,e.data.arg)}catch(ex){if(ex!="unwind"){throw ex}}}else if(e.data.cmd==="cancel"){if(Module["_pthread_self"]()){Module["__emscripten_thread_exit"](-1)}}else if(e.data.target==="setimmediate"){}else if(e.data.cmd==="checkMailbox"){if(initializedJS){Module["checkMailbox"]()}}else if(e.data.cmd){err("worker.js received unknown command "+e.data.cmd);err(e.data)}}catch(ex){if(Module["__emscripten_thread_crashed"]){Module["__emscripten_thread_crashed"]()}throw ex}}self.onmessage=handleMessage;
				`@ -0,0 +1 @@`
				`{"app_name":"frontend","version":"1.0.0","build_number":"1","package_name":"frontend"}`