Initial commit: Aeroflot Flights Web - Angular 12 baseline

- Angular 12 application with PrimeNG components - 5 existing Cypress e2e test suites - SCSS styling with BEM naming convention - i18n support (10 languages) - Leaflet map integration - Complete component hierarchy and routing structure This baseline will be used for Angular → React migration.
2026-04-05 18:47:57 +03:00
commit 0a5ab058a6
34439 changed files with 4408974 additions and 0 deletions
@@ -0,0 +1,12 @@
+{
+  "version": 1,
+  "isRoot": true,
+  "tools": {
+    "dotnet-ef": {
+      "version": "3.1.8",
+      "commands": [
+        "dotnet-ef"
+      ]
+    }
+  }
+}
@@ -0,0 +1,287 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <TypeScriptCompileBlocked>true</TypeScriptCompileBlocked>
+    <SpaRoot>ClientApp\</SpaRoot>
+    <UserSecretsId>3fa67cb5-d27b-45a4-9d50-39219ff7aa70</UserSecretsId>
+    <EnableMSDeployAppOffline>true</EnableMSDeployAppOffline>
+    <DockerDefaultTargetOS>Linux</DockerDefaultTargetOS>
+    <DockerComposeProjectPath>..\docker-compose.dcproj</DockerComposeProjectPath>
+	<ContainerDevelopmentMode>Regular</ContainerDevelopmentMode>
+	<EnableSourceControlManagerQueries>true</EnableSourceControlManagerQueries>
+  </PropertyGroup>
+
+  <ItemGroup>
+		<AdditionalFiles Include="..\Common\stylecop.json">
+			<CopyToOutputDirectory>Always</CopyToOutputDirectory>
+		</AdditionalFiles>
+		<AdditionalFiles Include="..\.globalconfig">
+			<CopyToOutputDirectory>Always</CopyToOutputDirectory>
+		</AdditionalFiles>
+	</ItemGroup>
+
+  <ItemGroup>
+    <Compile Remove="ClientApp\dist\**" />
+    <Compile Remove="ClientApp\src\app\modules\pages\board\components\**" />
+    <Compile Remove="ClientApp\src\app\shared\components\**" />
+    <Compile Remove="ClientApp\src\app\shared\constants\**" />
+    <Content Remove="$(SpaRoot)**" />
+    <Content Remove="ClientApp\dist\**" />
+    <Content Remove="ClientApp\src\app\modules\pages\board\components\**" />
+    <Content Remove="ClientApp\src\app\shared\components\**" />
+    <Content Remove="ClientApp\src\app\shared\constants\**" />
+    <EmbeddedResource Remove="ClientApp\dist\**" />
+    <EmbeddedResource Remove="ClientApp\src\app\modules\pages\board\components\**" />
+    <EmbeddedResource Remove="ClientApp\src\app\shared\components\**" />
+    <EmbeddedResource Remove="ClientApp\src\app\shared\constants\**" />
+    <None Remove="$(SpaRoot)**" />
+    <None Remove="ClientApp\dist\**" />
+    <None Remove="ClientApp\src\app\modules\pages\board\components\**" />
+    <None Remove="ClientApp\src\app\shared\components\**" />
+    <None Remove="ClientApp\src\app\shared\constants\**" />
+    <None Include="$(SpaRoot)**" Exclude="$(SpaRoot)node_modules\**" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="AWSSDK.Extensions.NETCore.Setup" Version="3.7.300" />
+    <PackageReference Include="AWSSDK.S3" Version="3.7.305.29" />
+    <PackageReference Include="FluentValidation.AspNetCore" Version="11.3.0" />
+    <PackageReference Include="IdentityModel" Version="6.2.0" />
+    <PackageReference Include="Iuliia" Version="2.0.4" />
+    <PackageReference Include="IdentityModel.AspNetCore" Version="3.0.0" />
+    <PackageReference Include="IdentityModel.AspNetCore.OAuth2Introspection" Version="5.1.0" />
+    <PackageReference Include="IdentityModel.AspNetCore.ScopeValidation" Version="1.1.1" />
+    <PackageReference Include="MessagePack" Version="2.5.187" />
+    <PackageReference Include="Microsoft.AspNetCore.Authentication.OpenIdConnect" Version="6.0.16" />
+    <PackageReference Include="Microsoft.AspNetCore.SpaServices.Extensions" Version="6.0.16" />
+    <PackageReference Include="Microsoft.Extensions.Configuration" Version="9.0.0" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="9.0.0" />
+    <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.20.1" />
+	<PackageReference Include="Microsoft.CodeAnalysis.Common" Version="4.9.2" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.9.2" />
+    <PackageReference Include="Microsoft.VisualStudio.Web.BrowserLink" Version="2.2.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation" Version="6.0.19" />
+    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="8.0.15" />
+    <PackageReference Include="Microsoft.Exchange.WebServices.NETStandard" Version="1.1.1" />
+    <PackageReference Include="NuGet.Packaging" Version="6.14.0" />
+    <PackageReference Include="RazorEngineCore" Version="2023.11.1" />
+    <PackageReference Include="MiaPlaza.ExpressionUtils" Version="1.2.0" />
+    <PackageReference Include="Miyconst.Cyriller" Version="0.1.1" />
+    <PackageReference Include="prometheus-net" Version="6.0.0" />
+    <PackageReference Include="prometheus-net.AspNetCore" Version="6.0.0" />
+    <PackageReference Include="Serilog.Enrichers.ClientInfo" Version="2.1.2" />
+    <PackageReference Include="Serilog.Expressions" Version="5.0.0" />
+    <PackageReference Include="Serilog.Formatting.Compact" Version="1.1.0" />
+    <PackageReference Include="Serilog.Sinks.AmazonS3" Version="1.2.3" />
+    <PackageReference Include="Serilog.Sinks.Debug" Version="2.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="5.0.0" />
+    <PackageReference Include="Serilog.Sinks.OpenTelemetry" Version="4.2.0" />
+    <PackageReference Include="StyleCop.Analyzers" Version="1.1.118">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Serilog" Version="4.3.0" />
+    <PackageReference Include="Serilog.AspNetCore" Version="6.1.0" />
+    <PackageReference Include="Serilog.Sinks.Async" Version="1.5.0" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="8.1.1" />
+    <PackageReference Include="Swashbuckle.AspNetCore.SwaggerUI" Version="8.1.1" />
+    <PackageReference Include="System.Formats.Asn1" Version="8.0.2" />
+    <PackageReference Include="System.IO.Packaging" Version="9.0.5" />
+    <PackageReference Include="System.Net.Http" Version="4.3.4" />
+    <PackageReference Include="System.Security.Cryptography.Xml" Version="8.0.2" />
+    <PackageReference Include="System.Text.Encodings.Web" Version="9.0.0" />
+    <PackageReference Include="System.Text.Json" Version="9.0.0" />
+    <PackageReference Include="System.Text.RegularExpressions" Version="4.3.1" />
+
+    <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.12.0" />
+    <PackageReference Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.12.0" />
+    <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.12.0" />
+    <PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.12.0" />
+    <PackageReference Include="Scrutor" Version="6.1.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Folder Remove="ClientApp\dist" />
+    <Folder Include="wwwroot\css\" />
+    <Folder Include="wwwroot\img\" />
+    <None Remove="App_Data\key-3822b1fb-84eb-4772-a64f-401ce0307c0b.xml" />
+    <None Remove="ClientApp\src\app\modules\components\index.ts" />
+    <None Remove="ClientApp\src\app\modules\flights.module.ts" />
+    <None Remove="ClientApp\src\app\modules\schedule.module.ts" />
+    <None Remove="ClientApp\src\app\shared\enumerators\dispatch-mode.enum.ts" />
+    <None Remove="ClientApp\src\app\shared\enumerators\flight-loaded-state.enum.ts" />
+    <None Remove="ClientApp\src\app\shared\enumerators\flight-status.enum.ts" />
+    <None Remove="ClientApp\src\app\shared\enumerators\index.ts" />
+    <None Remove="ClientApp\src\app\shared\enumerators\language.enum.ts" />
+    <None Remove="ClientApp\src\app\shared\enumerators\operation-status.enum.ts" />
+    <None Remove="ClientApp\src\app\shared\enumerators\time-type.enum.ts" />
+    <None Remove="ClientApp\src\app\shared\models\aircraft.model.ts" />
+    <None Remove="ClientApp\src\app\shared\models\airport-info-modification.model.ts" />
+    <None Remove="ClientApp\src\app\shared\models\airport-info.model.ts" />
+    <None Remove="ClientApp\src\app\shared\models\arrival-station.model.ts" />
+    <None Remove="ClientApp\src\app\shared\models\arrival-times.model.ts" />
+    <None Remove="ClientApp\src\app\shared\models\booking-classes.model.ts" />
+    <None Remove="ClientApp\src\app\shared\models\cross-leg-index.model.ts" />
+    <None Remove="ClientApp\src\app\shared\models\day-change.model.ts" />
+    <None Remove="ClientApp\src\app\shared\models\days-of-week.model.ts" />
+    <None Remove="ClientApp\src\app\shared\models\departure-station.model.ts" />
+    <None Remove="ClientApp\src\app\shared\models\departure-times.model.ts" />
+    <None Remove="ClientApp\src\app\shared\models\equipment.model.ts" />
+    <None Remove="ClientApp\src\app\shared\models\flight-id.model.ts" />
+    <None Remove="ClientApp\src\app\shared\models\flight-time.model.ts" />
+    <None Remove="ClientApp\src\app\shared\models\flight-update-signal.model.ts" />
+    <None Remove="ClientApp\src\app\shared\models\flight.model.ts" />
+    <None Remove="ClientApp\src\app\shared\models\index.ts" />
+    <None Remove="ClientApp\src\app\shared\models\onboard-service.model.ts" />
+    <None Remove="ClientApp\src\app\shared\models\operating-by.model.ts" />
+    <None Remove="ClientApp\src\app\shared\models\operator.model.ts" />
+    <None Remove="ClientApp\src\app\shared\models\passenger-info.model.ts" />
+    <None Remove="ClientApp\src\app\shared\models\passengers.model.ts" />
+    <None Remove="ClientApp\src\app\shared\models\period-flight-time.model.ts" />
+    <None Remove="ClientApp\src\app\shared\models\requests\aircraft-type.model.ts" />
+    <None Remove="ClientApp\src\app\shared\models\requests\search-flight-request.ts" />
+    <None Remove="ClientApp\src\app\shared\models\schedule-item.model.ts" />
+    <None Remove="ClientApp\src\app\shared\models\service-class.model.ts" />
+    <None Remove="ClientApp\src\app\shared\models\service-type.model.ts" />
+    <None Remove="ClientApp\src\app\shared\models\traffic-restrictions.model.ts" />
+    <None Remove="ClientApp\src\app\shared\models\type-flight-time.model.ts" />
+    <None Remove="ClientApp\src\app\shared\services\flights-updater.service.ts" />
+    <None Remove="ClientApp\src\app\shared\services\http-cancel.service.ts" />
+    <None Remove="ClientApp\src\app\shared\services\localization.service.ts" />
+    <None Remove="ClientApp\src\app\shared\services\version.service.ts" />
+    <Content Include="App_Data\key-3822b1fb-84eb-4772-a64f-401ce0307c0b.xml">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+    <Content Include="ClientApp\src\app\test\schedule.json" />
+    <Folder Include="ClientApp\src\app\modules\pages\schedule\components\" />
+    <Folder Include="ClientApp\src\assets\img\" />
+    <Folder Include="ClientApp\src\styles\components\shared\" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Aeroflot.Flights.WebApi\Aeroflot.Flights.WebApi.csproj" />
+	<ProjectReference Include="..\Aeroflot.Flights.DataSpace\Aeroflot.Flights.DataSpace.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Reference Include="Aeroflot.Common.Core">
+      <HintPath>..\Aeroflot.Platform.Libraries\Aeroflot.Common.Core.dll</HintPath>
+    </Reference>
+    <Reference Include="Aeroflot.Common2">
+      <HintPath>..\Common\Aeroflot.Common2.dll</HintPath>
+    </Reference>
+    <Reference Include="Aeroflot.Common2.DataSpace">
+      <HintPath>..\Common\Aeroflot.Common2.DataSpace.dll</HintPath>
+    </Reference>
+    <Reference Include="Aeroflot.Common2.Observability.AspNetCore">
+      <HintPath>..\Common\Aeroflot.Common2.Observability.AspNetCore.dll</HintPath>
+    </Reference>
+    <Reference Include="Aeroflot.Platform.ApiWrapper">
+      <HintPath>..\Aeroflot.Platform.Libraries\Aeroflot.Platform.ApiWrapper.dll</HintPath>
+    </Reference>
+    <!--<Reference Include="Aeroflot.Platform.Common.DataContracts">
+      <HintPath>..\Common\Aeroflot.Platform.Common.DataContracts.dll</HintPath>
+    </Reference>-->
+    <Reference Include="Aeroflot.Platform.Common.DataContracts">
+      <HintPath>..\Aeroflot.Platform.Libraries\Aeroflot.Platform.Common.DataContracts.dll</HintPath>
+    </Reference>
+    <Reference Include="Aeroflot.Platform.Common.Observability">
+      <HintPath>..\Aeroflot.Platform.Libraries\Aeroflot.Platform.Common.Observability.dll</HintPath>
+    </Reference>
+
+    <Reference Include="Aeroflot.Common2.ApiWrapper">
+      <HintPath>..\Common\Aeroflot.Common2.ApiWrapper.dll</HintPath>
+    </Reference>
+    <Reference Include="Aeroflot.Platform.Flights.Entities">
+      <HintPath>..\Aeroflot.Platform.Libraries\Aeroflot.Platform.Flights.Entities.dll</HintPath>
+    </Reference>
+    <Reference Include="Aeroflot.Platform.Handlers.Interfaces">
+      <HintPath>..\Aeroflot.Platform.Libraries\Aeroflot.Platform.Handlers.Interfaces.dll</HintPath>
+    </Reference>
+    <Reference Include="Aeroflot.Platform.Readers.Interfaces">
+      <HintPath>..\Aeroflot.Platform.Libraries\Aeroflot.Platform.Readers.Interfaces.dll</HintPath>
+    </Reference>
+    <Reference Include="Aeroflot.Security.Core">
+      <HintPath>..\Aeroflot.Platform.Libraries\Aeroflot.Security.Core.dll</HintPath>
+    </Reference>
+    <Reference Include="Aeroflot.Security2">
+      <HintPath>..\Common\Aeroflot.Security2.dll</HintPath>
+    </Reference>
+    <Reference Include="Aeroflot.Security2.DataSpace">
+      <HintPath>..\Common\Aeroflot.Security2.DataSpace.dll</HintPath>
+    </Reference>
+    <Reference Include="Aeroflot.Security2.Entities">
+      <HintPath>..\Common\Aeroflot.Security2.Entities.dll</HintPath>
+    </Reference>
+    <Reference Include="Aeroflot.Security2.Entities.DataSpace">
+      <HintPath>..\Common\Aeroflot.Security2.Entities.DataSpace.dll</HintPath>
+    </Reference>
+  </ItemGroup>
+
+  <ItemGroup>
+    <TypeScriptCompile Include="ClientApp\src\app\modules\components\index.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\modules\flights.module.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\modules\page-modules\schedule.module.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\enumerators\dispatch-mode.enum.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\enumerators\flight-loaded-state.enum.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\enumerators\flight-status.enum.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\enumerators\index.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\enumerators\language.enum.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\enumerators\operation-status.enum.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\enumerators\time-type.enum.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\models\aircraft.model.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\models\airport-info-modification.model.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\models\airport-info.model.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\models\arrival-station.model.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\models\arrival-times.model.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\models\booking-classes.model.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\models\cross-leg-index.model.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\models\day-change.model.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\models\days-of-week.model.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\models\departure-station.model.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\models\departure-times.model.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\models\equipment.model.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\models\flight-id.model.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\models\flight-time.model.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\models\flight-update-signal.model.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\models\index.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\models\onboard-service.model.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\models\operating-by.model.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\models\operator.model.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\models\passenger-info.model.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\models\passengers.model.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\models\period-flight-time.model.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\models\aircraft-type.model.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\models\requests\search-flight-request.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\models\leg.model.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\models\flight.model.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\models\schedule-item.model.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\models\service-class.model.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\models\service-type.model.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\models\traffic-restrictions.model.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\models\type-flight-time.model.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\services\flights-updater.service.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\services\http-cancel.service.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\services\localization.service.ts" />
+    <TypeScriptCompile Include="ClientApp\src\app\shared\services\version.service.ts" />
+  </ItemGroup>
+
+
+  <Target Name="PublishRunWebpack" AfterTargets="ComputeFilesToPublish">
+    <!-- As part of publishing, ensure the JS resources are freshly built in production mode -->
+    <Exec WorkingDirectory="$(SpaRoot)" Command="npm install" Condition="'$(DOTNET_RUNNING_IN_CONTAINER)' != 'true'" />
+    <Exec WorkingDirectory="$(SpaRoot)" Command="npm run build:prod" Condition="'$(DOTNET_RUNNING_IN_CONTAINER)' != 'true'" />
+
+    <!-- Include the newly-built files in the publish output -->
+    <ItemGroup>
+      <DistFiles Include="$(SpaRoot)dist\**; $(SpaRoot)dist-server\**" />
+      <ResolvedFileToPublish Include="@(DistFiles->'%(FullPath)')" Exclude="@(ResolvedFileToPublish)">
+        <RelativePath>%(DistFiles.Identity)</RelativePath>
+        <CopyToPublishDirectory>PreserveNewest</CopyToPublishDirectory>
+        <ExcludeFromSingleFile>true</ExcludeFromSingleFile>
+      </ResolvedFileToPublish>
+    </ItemGroup>
+  </Target>
+	
+</Project>
@@ -0,0 +1,3 @@
+node_modules
+dist
+*.html
@@ -0,0 +1,19 @@
+// eslint-disable-next-line no-undef
+module.exports = {
+    root: true,
+    parser: '@typescript-eslint/parser',
+    plugins: ['@typescript-eslint'],
+    extends: ['eslint:recommended', 'plugin:@typescript-eslint/recommended', 'prettier', 'plugin:storybook/recommended'],
+    rules: {
+        '@typescript-eslint/no-empty-function': 'warn',
+        'max-len': [
+            1,
+            {
+                code: 80,
+                ignoreComments: true,
+                ignoreStrings: true,
+                ignoreTemplateLiterals: true,
+            },
+        ],
+    },
+};
@@ -0,0 +1,2 @@
+node_modules
+dist
@@ -0,0 +1,6 @@
+{
+    "singleQuote": true,
+    "trailingComma": "all",
+    "semi": true,
+    "tabWidth": 4
+}
@@ -0,0 +1,9 @@
+module.exports = {
+    stories: ['../src/**/*.stories.mdx', '../src/**/*.stories.@(js|jsx|ts|tsx)'],
+    addons: ['@storybook/addon-links', '@storybook/addon-essentials', '@storybook/addon-interactions'],
+    framework: '@storybook/angular',
+    core: {
+        builder: '@storybook/builder-webpack5',
+    },
+    staticDirs: [{ from: '../src/assets', to: '/assets' }],
+};
@@ -0,0 +1,17 @@
+import { setCompodocJson } from '@storybook/addon-docs/angular';
+import docJson from '../documentation.json';
+import { translationsDecorators } from './translations-decorator';
+setCompodocJson(docJson);
+
+export const parameters = {
+    actions: { argTypesRegex: '^on[A-Z].*' },
+    controls: {
+        matchers: {
+            color: /(background|color)$/i,
+            date: /Date$/,
+        },
+    },
+    docs: { inlineStories: true },
+};
+
+export const decorators = [...translationsDecorators];
@@ -0,0 +1,33 @@
+import { HttpClient, HttpClientModule } from '@angular/common/http';
+import { Component } from '@angular/core';
+import { TranslateLoader, TranslateModule, TranslateService } from '@ngx-translate/core';
+import { componentWrapperDecorator, moduleMetadata } from '@storybook/angular';
+import { TranslateHttpLoaderFactory } from '../src/app/shared/factories';
+
+@Component({
+    selector: 'storybook-translate',
+    template: `<ng-content></ng-content>`,
+})
+class StorybookTranslateComponent {
+    constructor(translateService: TranslateService) {
+        translateService.setDefaultLang('ru');
+        translateService.use('ru');
+    }
+}
+
+export const translationsDecorators = [
+    moduleMetadata({
+        declarations: [StorybookTranslateComponent],
+        imports: [
+            HttpClientModule,
+            TranslateModule.forRoot({
+                loader: {
+                    provide: TranslateLoader,
+                    useFactory: TranslateHttpLoaderFactory,
+                    deps: [HttpClient],
+                },
+            }),
+        ],
+    }),
+    componentWrapperDecorator(StorybookTranslateComponent),
+];
@@ -0,0 +1,21 @@
+{
+  "extends": "../tsconfig.json",
+  "compilerOptions": {
+    "types": [
+      "node"
+    ],
+    "allowSyntheticDefaultImports": true
+  },
+  "exclude": [
+    "../src/test.ts",
+    "../src/**/*.spec.ts",
+    "../projects/**/*.spec.ts"
+  ],
+  "include": [
+    "../src/**/*",
+    "../projects/**/*"
+  ],
+  "files": [
+    "./typings.d.ts"
+  ]
+}
@@ -0,0 +1,4 @@
+declare module '*.md' {
+  const content: string;
+  export default content;
+}
@@ -0,0 +1,144 @@
+{
+    "version": 1,
+    "projects": {
+        "flightsapp": {
+            "projectType": "application",
+            "root": "",
+            "sourceRoot": "src",
+            "schematics": {
+                "@schematics/angular:component": {
+                    "style": "scss"
+                }
+            },
+            "architect": {
+                "build": {
+                  "builder": "@angular-builders/custom-webpack:browser",
+                  "options": {
+                    "customWebpackConfig": {
+                      "path": "./custom-webpack.config.js"
+                    },
+                    "outputPath": "dist",
+                    "index": "src/index.html",
+                    "main": "src/main.ts",
+                    "polyfills": "src/polyfills.ts",
+                    "tsConfig": "tsconfig.json",
+                    "aot": true,
+                    "assets": [ 
+                        "src/favicon.ico", 
+                        "src/assets", 
+                        "src/googledeb8cf566236306b.html", 
+                        "src/yandex_02230d34b29eaf63.html", 
+                        "src/yandex_1947cc7ca150f934.html"
+                    ],
+                    "styles": [
+                      "src/styles.scss",
+                      "src/fonts.scss",
+                      "node_modules/primeng/resources/primeng.min.css",
+                      "node_modules/primeicons/primeicons.css",
+                      "node_modules/leaflet/dist/leaflet.css"
+                    ],
+                    "scripts": [
+                    ]
+                  },
+                  "configurations": {
+                    "production": {
+                      "optimization": true,
+                      "outputHashing": "all",
+                      "sourceMap": false,
+                      "namedChunks": false,
+                      "vendorChunk": false,
+                      "buildOptimizer": true,
+                      "fileReplacements": [
+                        {
+                          "replace": "src/environments/environment.ts",
+                          "with": "src/environments/environment.prod.ts"
+                        }
+                      ]
+                    },
+                    "testing": {
+                      "optimization": true,
+                      "outputHashing": "all",
+                      "sourceMap": false,
+                      "namedChunks": false,
+                      "vendorChunk": false,
+                      "buildOptimizer": true,
+                      "fileReplacements": [
+                        {
+                          "replace": "src/environments/environment.ts",
+                          "with": "src/environments/environment.testing.ts"
+                        }
+                      ]
+                  },
+                    "development": {
+                      "buildOptimizer": false,
+                      "optimization": false,
+                      "vendorChunk": true,
+                      "extractLicenses": false,
+                      "sourceMap": true,
+                      "namedChunks": true,
+                      "serviceWorker": false,
+                      "index": { 
+                        "input": "src/index.dev.html",
+                        "output": "index.html"
+                      },
+                      "fileReplacements": [
+                        {
+                          "replace": "src/environments/environment.ts",
+                          "with": "src/environments/environment.development.ts"
+                        }
+                      ]
+                    }
+                  }
+                },
+                "serve": {
+                    "builder": "@angular-builders/custom-webpack:dev-server",
+                    "options": {
+                        "proxyConfig": "src/proxy.conf.json"
+                    },
+                    "configurations": {
+                        "production": {
+                            "browserTarget": "flightsapp:build:production"
+                        },
+                        "testing": {
+                            "browserTarget": "flightsapp:build:testing"
+                        },
+                        "development": {
+                            "browserTarget": "flightsapp:build:development"
+                        }
+                    },
+                    "defaultConfiguration": "development"
+                },
+                "test": {
+                    "builder": "@angular-devkit/build-angular:karma",
+                    "options": {
+                        "main": "src/test.ts",
+                        "polyfills": "src/polyfills.ts",
+                        "tsConfig": "tsconfig.spec.json",
+                        "karmaConfig": "karma.conf.js",
+                        "inlineStyleLanguage": "scss",
+                        "assets": ["src/favicon.ico", "src/assets"],
+                        "styles": ["src/styles.scss"],
+                        "scripts": []
+                    }
+                },
+                "storybook": {
+                    "builder": "@storybook/angular:start-storybook",
+                    "options": {
+                        "browserTarget": "angular-cli:build",
+                        "port": 6006
+                    }
+                },
+                "build-storybook": {
+                    "builder": "@storybook/angular:build-storybook",
+                    "options": {
+                        "browserTarget": "angular-cli:build"
+                    }
+                }
+            }
+        }
+    },
+    "defaultProject": "flightsapp",
+    "cli": {
+        "analytics": false
+    }
+}
@@ -0,0 +1,6 @@
+/* eslint-disable no-undef */
+module.exports = {
+    output: {
+        chunkLoadingGlobal: 'webpackJsonp' + Math.random().toString(),
+    },
+};
@@ -0,0 +1,27 @@
+{
+    "integrationFolder": "cypress/integration",
+    "supportFile": "cypress/support/index.ts",
+    "videosFolder": "cypress/videos",
+    "screenshotsFolder": "cypress/screenshots",
+    "pluginsFile": "cypress/plugins/index.ts",
+    "fixturesFolder": "cypress/fixtures",
+    "baseUrl": "http://localhost:4200",
+    "screenshotOnRunFailure": false,
+    "video": false,
+    "viewportHeight": 768,
+    "viewportWidth": 1366,
+    "chromeWebSecurity": false,
+    "env": {
+        "browserPermissions": {
+            "notifications": "allow",
+            "geolocation": "block",
+            "camera": "block",
+            "microphone": "block",
+            "images": "allow",
+            "javascript": "allow",
+            "popups": "ask",
+            "plugins": "ask",
+            "cookies": "allow"
+        }
+    }
+}
@@ -0,0 +1,63 @@
+import * as moment from 'moment';
+
+describe('Онлайн табло: Прилет', () => {
+    const arrivalCity = {
+        name: 'Анапа',
+        code: 'AAQ',
+        latitude: 55.7558,
+        longitude: 37.62,
+    };
+    
+    const today = moment().format('DD.MM.YYYY');
+
+    const expectedUrlDateTime = `${moment().format('DDMMYYYY')}-0000-2400`;
+
+    beforeEach(() => {
+        cy.intercept('GET', '**api/flights/v1.1/ru/board**').as('getFlights');
+        cy.forbidGeolocation();
+        cy.visit('/');
+    });
+
+    const assertSearchResults = () => {
+        cy.getByTestId('loader').should('be.visible');
+        cy.wait('@getFlights').then(() => {
+            cy.getByTestId('board-search-result').should('be.visible');
+            cy.getByTestId('flight-result').should('have.length.at.least', 1);
+        });
+    };
+
+    it(`Должен искать рейсы (${arrivalCity.name} - ручной ввод), открывать корректный URL и детали рейса`, () => {
+        cy.getByTestId('city-autocomplete-input').type(`${arrivalCity.name}`).type('{enter}');
+        cy.getByTestId('calendar-input').type(today).type('{enter}');
+        
+        cy.getByTestId('city-code').contains(`${arrivalCity.code}`).should('be.visible');
+
+        cy.getByTestId('arrival-search-button').click();
+        cy.url().should('include', `ru-ru/onlineboard/arrival/${arrivalCity.code}/${expectedUrlDateTime}`);
+
+        assertSearchResults();
+
+        cy.getByTestId('flight-result')
+            .first()
+            .getByTestId('flight-carrier-number')
+            .should('be.visible')
+            .getByTestId('flight-company-logo')
+            .should('be.visible');
+
+        cy.getByTestId('flight-details-button').click();
+        cy.getByTestId('flight-details-number').should('be.visible');
+        cy.getByTestId('flight-company-logo').should('be.visible');
+    });
+
+    it(`Должен искать рейсы (${arrivalCity.name} - выбор из списка)`, () => {
+        cy.getByTestId('calendar-input').type(today).type('{enter}');
+        cy.getByTestId('autocomplete-popup-button').click();
+        cy.getByTestId(`city-name-cell-${arrivalCity.name}`).click();
+
+        cy.getByTestId('city-code').contains(`${arrivalCity.code}`).should('be.visible');
+
+        cy.getByTestId('arrival-search-button').click();
+
+        assertSearchResults();
+    });
+});
@@ -0,0 +1,61 @@
+import * as moment from 'moment';
+
+describe('Онлайн табло: Вылет', () => {
+    const departureCity = {
+        name: 'Анапа',
+        code: 'AAQ',
+        latitude: 44.8857008,
+        longitude: 37.3199191,
+    };
+    const today = moment().format('DD.MM.YYYY');
+    const expectedUrlDateTime = `${moment().format('DDMMYYYY')}-0000-2400`;
+
+    beforeEach(() => {
+        cy.intercept('GET', '**api/flights/v1.1/ru/board**').as('getFlights');
+        cy.forbidGeolocation();
+        cy.visit('/');
+        cy.getByTestId('departure-filter').click();
+    });
+
+    const assertSearchResults = () => {
+        cy.getByTestId('loader').should('be.visible');
+        cy.wait('@getFlights').then(() => {
+            cy.getByTestId('board-search-result').should('be.visible');
+            cy.getByTestId('flight-result').should('have.length.at.least', 1);
+        });
+    };
+
+    it(`Должен искать рейсы (${departureCity.name} - ручной ввод), открывать корректный URL и детали рейса`, () => {
+        cy.getByTestId('departure-city-input').type(`${departureCity.name}`);
+        cy.getByTestId('calendar-input').type(today).type('{enter}');
+        cy.getByTestId('city-code').contains(`${departureCity.code}`).should('be.visible');
+
+        cy.getByTestId('departure-search-button').click();
+        cy.url().should('include', `ru-ru/onlineboard/departure/${departureCity.code}/${expectedUrlDateTime}`);
+
+        assertSearchResults();
+
+        cy.getByTestId('flight-result')
+            .first()
+            .getByTestId('flight-carrier-number')
+            .should('be.visible')
+            .getByTestId('flight-company-logo')
+            .should('be.visible');
+
+        cy.getByTestId('flight-details-button').click();
+        cy.getByTestId('flight-details-number').should('be.visible');
+        cy.getByTestId('flight-company-logo').should('be.visible');
+    });
+
+    it(`Должен искать рейсы (${departureCity.name} - выбор из списка)`, () => {
+        cy.getByTestId('calendar-input').type(today).type('{enter}');
+        cy.getByTestId('autocomplete-popup-button').click();
+        cy.getByTestId(`city-name-cell-${departureCity.name}`).click();
+
+        cy.getByTestId('city-code').contains(`${departureCity.code}`).should('be.visible');
+
+        cy.getByTestId('departure-search-button').click();
+
+        assertSearchResults();
+    });
+});
@@ -0,0 +1,58 @@
+import * as moment from 'moment';
+
+describe('Онлайн табло: Поиск по маршруту', () => {
+    const route = {
+        departureCity: {
+            name: 'Москва',
+            code: 'MOW',
+            latitude: 55.7558,
+            longitude: 37.62,
+        },
+        arrivalCity: {
+            name: 'Сочи',
+            code: 'AER',
+            latitude: 43.58,
+            longitude: 39.72,
+        },
+    };
+    const today = moment().format('DD.MM.YYYY');
+    beforeEach(() => {
+        cy.intercept('GET', '**api/flights/v1.1/ru/board**').as('getFlights');
+        cy.forbidGeolocation();
+        cy.visit('/');
+        cy.getByTestId('route-filter').click();
+    });
+
+    const assertSearchResults = () => {
+        cy.getByTestId('loader').should('be.visible');
+        cy.wait('@getFlights').then(() => {
+            cy.getByTestId('board-search-result').should('be.visible');
+            cy.getByTestId('flight-result').should('have.length.at.least', 1);
+        });
+    };
+
+    it(`Должен искать рейсы ${route.departureCity.name} - ${route.arrivalCity.name} , открывать корректный URL и детали рейса`, () => {
+        cy.getByTestId('route-departure-city-input').type(`${route.departureCity.name}`);
+        cy.getByTestId('route-arrival-city-input').type(`${route.arrivalCity.name}`);
+
+        cy.getByTestId('calendar-input').type(today).type('{enter}');
+        cy.getByTestId('route-arrival-city-input').getByTestId('city-code').contains(`${route.arrivalCity.code}`).should('be.visible');
+
+        cy.getByTestId('route-departure-city-input').getByTestId('city-code').contains(`${route.departureCity.code}`).should('be.visible');
+
+        cy.getByTestId('route-search-button').click();
+
+        assertSearchResults();
+
+        cy.getByTestId('flight-result')
+            .first()
+            .getByTestId('flight-carrier-number')
+            .should('be.visible')
+            .getByTestId('flight-company-logo')
+            .should('be.visible');
+
+        cy.getByTestId('flight-details-button').click();
+        cy.getByTestId('flight-details-number').should('be.visible');
+        cy.getByTestId('flight-company-logo').should('be.visible');
+    });
+});
@@ -0,0 +1,44 @@
+import * as moment from 'moment';
+
+describe('Онлайн табло: Поиск рейса', () => {
+    const flightNumber = '0022'; // Москва - Санкт-Петербург
+    const expectedUrlDateTime = `${moment().format('DDMMYYYY')}`;
+    const today = moment().format('DD.MM.YYYY');
+
+    beforeEach(() => {
+        cy.intercept('GET', '**api/flights/v1.1/ru/board**').as('getFlights');
+        cy.visit('/');
+        cy.getByTestId('flight-filter').click();
+    });
+
+    const assertSearchResults = () => {
+        cy.getByTestId('loader').should('be.visible');
+        cy.wait('@getFlights').then(() => {
+            cy.getByTestId('board-search-result').should('be.visible');
+            cy.getByTestId('flight-result').should('have.length.at.least', 1);
+        });
+    };
+
+    it(`Должен искать рейс SU${flightNumber} , открывать корректный URL и детали рейса`, () => {
+        cy.getByTestId('flight-number-input').type(`${flightNumber}`).type('{enter}');
+        cy.getByTestId('calendar-input').type(today).type('{enter}');
+        
+
+        cy.getByTestId('flight-number-search-button').click();
+
+        assertSearchResults();
+
+        cy.url().should('include', `ru-ru/onlineboard/flight/SU${flightNumber}/${expectedUrlDateTime}`);
+
+        cy.getByTestId('flight-result')
+            .first()
+            .getByTestId('flight-carrier-number')
+            .should('be.visible')
+            .getByTestId('flight-company-logo')
+            .should('be.visible');
+
+        cy.getByTestId('flight-details-button').click();
+        cy.getByTestId('flight-details-number').should('be.visible');
+        cy.getByTestId('flight-company-logo').should('be.visible');
+    });
+});
@@ -0,0 +1,59 @@
+describe('Расписание: Поиск по маршруту', () => {
+    const route = {
+        departureCity: {
+            name: 'Москва',
+            code: 'MOW',
+            latitude: 55.7558,
+            longitude: 37.62,
+        },
+        arrivalCity: {
+            name: 'Сочи',
+            code: 'AER',
+            latitude: 43.58,
+            longitude: 39.72,
+        },
+    };
+
+    beforeEach(() => {
+        cy.intercept('GET', '**/api/flights/1/ru/schedule**').as('getFlights');
+        cy.mockGeolocation(route.departureCity);
+        cy.visit('/ru-ru/schedule');
+    });
+
+    const assertSearchResults = () => {
+        cy.getByTestId('loader').should('be.visible');
+        cy.wait('@getFlights').then(() => {
+            cy.getByTestId('schedule-search-results').should('be.visible');
+            cy.getByTestId('schedule-search-result').should('have.length.at.least', 1);
+        });
+    };
+
+    it(`Должен искать рейсы ${route.departureCity.name} - ${route.arrivalCity.name} , открывать корректный URL и детали рейса`, () => {
+        // cy.getByTestId('schedule-departure-city-input').type(`${route.departureCity.name}`).type('{enter}'); 
+        cy.getByTestId('schedule-arrival-city-input').type(`${route.arrivalCity.name}`).type('{enter}');
+
+        cy.wait(200);
+
+        cy.getByTestId('schedule-arrival-city-input').getByTestId('city-code').contains(`${route.arrivalCity.code}`).should('be.visible');
+
+        cy.getByTestId('schedule-departure-city-input')
+            .getByTestId('city-code')
+            .contains(`${route.departureCity.code}`)
+            .should('be.visible');
+
+        cy.getByTestId('schedule-search-button').click();
+
+        assertSearchResults();
+
+        cy.getByTestId('schedule-search-result')
+            .first()
+            .getByTestId('flight-number')
+            .should('be.visible')
+            .getByTestId('flight-carrier')
+            .should('be.visible');
+
+        cy.getByTestId('flight-details-button').click({ force: true });
+        cy.getByTestId('flight-details-number').should('be.visible');
+        cy.getByTestId('flight-company-logo').should('be.visible');
+    });
+});
@@ -0,0 +1,10 @@
+// Plugins enable you to tap into, modify, or extend the internal behavior of Cypress
+// For more info, visit https://on.cypress.io/plugins-api
+
+import { cypressBrowserPermissionsPlugin } from 'cypress-browser-permissions';
+
+module.exports = (on, config) => {
+    config = cypressBrowserPermissionsPlugin(on, config);
+
+    return config;
+};
@@ -0,0 +1,73 @@
+/// <reference types="." />
+
+// ***********************************************
+// This example namespace declaration will help
+// with Intellisense and code completion in your
+// IDE or Text Editor.
+// ***********************************************
+// declare namespace Cypress {
+//   interface Chainable<Subject = any> {
+//     customCommand(param: any): typeof customCommand;
+//   }
+// }
+//
+// function customCommand(param: any): void {
+//   console.warn(param);
+// }
+//
+// NOTE: You can use it like so:
+// Cypress.Commands.add('customCommand', customCommand);
+//
+// ***********************************************
+// This example commands.js shows you how to
+// create various custom commands and overwrite
+// existing commands.
+//
+// For more comprehensive examples of custom
+// commands please read more here:
+// https://on.cypress.io/custom-commands
+// ***********************************************
+//
+//
+// -- This is a parent command --
+// Cypress.Commands.add("login", (email, password) => { ... })
+//
+//
+// -- This is a child command --
+// Cypress.Commands.add("drag", { prevSubject: 'element'}, (subject, options) => { ... })
+//
+//
+// -- This is a dual command --
+// Cypress.Commands.add("dismiss", { prevSubject: 'optional'}, (subject, options) => { ... })
+//
+//
+// -- This will overwrite an existing command --
+// Cypress.Commands.overwrite("visit", (originalFn, url, options) => { ... })
+
+Cypress.Commands.add('getByTestId', (id: string, timeout = 8000) => {
+    return cy.get(`[data-testid="${id}"]`, { timeout });
+});
+
+Cypress.Commands.add('mockGeolocation', ({ latitude, longitude }) => {
+    cy.on('window:before:load', (window) => {
+        const callback = (cb) => {
+            return cb({ coords: { latitude, longitude } });
+        };
+
+        cy.stub(window.navigator.geolocation, 'getCurrentPosition').callsFake(callback);
+
+        cy.stub(window.navigator.geolocation, 'watchPosition').callsFake(callback);
+    });
+});
+
+Cypress.Commands.add('forbidGeolocation', () => {
+    cy.on('window:before:load', (window) => {
+        const callback = (_, error) => {
+            return error({});
+        };
+
+        cy.stub(window.navigator.geolocation, 'getCurrentPosition').callsFake(callback);
+
+        cy.stub(window.navigator.geolocation, 'watchPosition').callsFake(callback);
+    });
+});
@@ -0,0 +1,8 @@
+/// <reference types="cypress" />
+declare namespace Cypress {
+    interface Chainable {
+        getByTestId(id: string, timeout?: number): Chainable;
+        mockGeolocation({ latitude, longitude }): void;
+        forbidGeolocation();
+    }
+}
@@ -0,0 +1,17 @@
+// ***********************************************************
+// This example support/index.js is processed and
+// loaded automatically before your test files.
+//
+// This is a great place to put global configuration and
+// behavior that modifies Cypress.
+//
+// You can change the location of this file or turn off
+// automatically serving support files with the
+// 'supportFile' configuration option.
+//
+// You can read more here:
+// https://on.cypress.io/configuration
+// ***********************************************************
+
+// When a command from ./commands is ready to use, import with `import './commands'` syntax
+import './commands';
@@ -0,0 +1,8 @@
+{
+    "extends": "../tsconfig.json",
+    "include": ["**/*.ts"],
+    "compilerOptions": {
+        "sourceMap": true,
+        "types": ["cypress"]
+    }
+}
@@ -0,0 +1,62 @@
+{
+    "pipes": [],
+    "interfaces": [],
+    "injectables": [],
+    "guards": [],
+    "interceptors": [],
+    "classes": [],
+    "directives": [],
+    "components": [],
+    "modules": [],
+    "miscellaneous": {
+        "variables": [
+            {
+                "name": "platform",
+                "ctype": "miscellaneous",
+                "subtype": "variable",
+                "file": "src/main.ts",
+                "deprecated": false,
+                "deprecationMessage": "",
+                "type": "",
+                "defaultValue": "platformBrowserDynamic()"
+            }
+        ],
+        "functions": [],
+        "typealiases": [],
+        "enumerations": [],
+        "groupedVariables": {
+            "src/main.ts": [
+                {
+                    "name": "platform",
+                    "ctype": "miscellaneous",
+                    "subtype": "variable",
+                    "file": "src/main.ts",
+                    "deprecated": false,
+                    "deprecationMessage": "",
+                    "type": "",
+                    "defaultValue": "platformBrowserDynamic()"
+                }
+            ]
+        },
+        "groupedFunctions": {},
+        "groupedEnumerations": {},
+        "groupedTypeAliases": {}
+    },
+    "routes": [],
+    "coverage": {
+        "count": 0,
+        "status": "low",
+        "files": [
+            {
+                "filePath": "src/main.ts",
+                "type": "variable",
+                "linktype": "miscellaneous",
+                "linksubtype": "variable",
+                "name": "platform",
+                "coveragePercent": 0,
+                "coverageCount": "0/1",
+                "status": "low"
+            }
+        ]
+    }
+}
@@ -0,0 +1,19 @@
+
+
+// direct
+- MOW -> PRG (direct)
+
+// multileg - many legs
+- MOW -> TKY -> PRG 
+
+// connected (direct + direct) - many legs
+- MOW -> TKY 
+  TKY -> PRG
+
+// connected (multileg + direct) - many legs
+- MOW -> TKY -> RYZ
+  RYZ -> PRG
+
+// connected (multileg + multileg) - many legs
+- MOW -> TKY -> RYZ
+  RYZ -> PRG -> LSB
@@ -0,0 +1,45 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
+/* eslint-disable no-undef */
+// Karma configuration file, see link for more information
+// https://karma-runner.github.io/1.0/config/configuration-file.html
+
+module.exports = function (config) {
+    config.set({
+        basePath: '',
+        frameworks: ['jasmine', '@angular-devkit/build-angular'],
+        plugins: [
+            require('karma-jasmine'),
+            require('karma-chrome-launcher'),
+            require('karma-jasmine-html-reporter'),
+            require('karma-coverage'),
+            require('@angular-devkit/build-angular/plugins/karma'),
+            require('karma-teamcity-reporter'),
+            require('karma-phantomjs-launcher')
+        ],
+        client: {
+            jasmine: {
+                // you can add configuration options for Jasmine here
+                // the possible options are listed at https://jasmine.github.io/api/edge/Configuration.html
+                // for example, you can disable the random execution with `random: false`
+                // or set a specific seed with `seed: 4321`
+            },
+            clearContext: false, // leave Jasmine Spec Runner output visible in browser
+        },
+        jasmineHtmlReporter: {
+            suppressAll: true, // removes the duplicated traces
+        },
+        coverageReporter: {
+            dir: require('path').join(__dirname, './coverage/test'),
+            subdir: '.',
+            reporters: [{ type: 'html' }, { type: 'text-summary' }],
+        },
+        reporters: ['progress', 'kjhtml'],
+        port: 9876,
+        colors: true,
+        logLevel: config.LOG_INFO,
+        autoWatch: true,
+        browsers: ['Chrome'],
+        singleRun: false,
+        restartOnFileChange: true,
+    });
+};
@@ -0,0 +1 @@
+../acorn/bin/acorn
@@ -0,0 +1 @@
+../cypress/bin/cypress
@@ -0,0 +1 @@
+../esbuild/bin/esbuild
@@ -0,0 +1 @@
+../eslint/bin/eslint.js
@@ -0,0 +1 @@
+../eslint-config-prettier/bin/cli.js
@@ -0,0 +1 @@
+../esprima/bin/esparse.js
@@ -0,0 +1 @@
+../esprima/bin/esvalidate.js
@@ -0,0 +1 @@
+../extract-zip/cli.js
@@ -0,0 +1 @@
+../is-docker/cli.js
@@ -0,0 +1 @@
+../is-inside-container/cli.js
@@ -0,0 +1 @@
+../jiti/lib/jiti-cli.mjs
@@ -0,0 +1 @@
+../js-yaml/bin/js-yaml.js
@@ -0,0 +1 @@
+../json5/lib/cli.js
@@ -0,0 +1 @@
+../loose-envify/cli.js
@@ -0,0 +1 @@
+../lz-string/bin/bin.js
@@ -0,0 +1 @@
+../nanoid/bin/nanoid.cjs
@@ -0,0 +1 @@
+../which/bin/node-which
@@ -0,0 +1 @@
+../@babel/parser/bin/babel-parser.js
@@ -0,0 +1 @@
+../@playwright/test/cli.js
@@ -0,0 +1 @@
+../playwright-core/cli.js
@@ -0,0 +1 @@
+../prettier/bin/prettier.cjs
@@ -0,0 +1 @@
+../resolve/bin/resolve
@@ -0,0 +1 @@
+../rimraf/bin.js
@@ -0,0 +1 @@
+../rollup/dist/bin/rollup
@@ -0,0 +1 @@
+../@rsbuild/core/bin/rsbuild.js
@@ -0,0 +1 @@
+../sass/sass.js
@@ -0,0 +1 @@
+../semver/bin/semver.js
@@ -0,0 +1 @@
+../sshpk/bin/sshpk-conv
@@ -0,0 +1 @@
+../sshpk/bin/sshpk-sign
@@ -0,0 +1 @@
+../sshpk/bin/sshpk-verify
@@ -0,0 +1 @@
+../storybook/dist/bin/dispatcher.js
@@ -0,0 +1 @@
+../tldts/bin/cli.js
@@ -0,0 +1 @@
+../tree-kill/cli.js
@@ -0,0 +1 @@
+../typescript/bin/tsc
@@ -0,0 +1 @@
+../typescript/bin/tsserver
@@ -0,0 +1 @@
+../uuid/dist/bin/uuid
@@ -0,0 +1 @@
+../vite/bin/vite.js
@@ -0,0 +1 @@
+../vite-node/vite-node.mjs
@@ -0,0 +1 @@
+../vitest/vitest.mjs
@@ -0,0 +1 @@
+../why-is-node-running/cli.js
@@ -0,0 +1,10 @@
+(The MIT License)
+
+Copyright (c) 2012 TJ Holowaychuk <tj@vision-media.ca>
+Copyright (c) 2022 Jean-Philippe Zolesio <holblin@gmail.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
@@ -0,0 +1,146 @@
+# @adobe/css-tools
+
+> A modern CSS parser and stringifier with TypeScript support
+
+[![npm version](https://badge.fury.io/js/%40adobe%2Fcss-tools.svg)](https://badge.fury.io/js/%40adobe%2Fcss-tools)
+[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
+
+Parse CSS into an Abstract Syntax Tree (AST) and convert it back to CSS with configurable formatting. Built with TypeScript for type safety and modern JavaScript features.
+
+## Install
+
+```bash
+npm install @adobe/css-tools
+```
+
+## Usage
+
+```js
+import { parse, stringify } from '@adobe/css-tools'
+
+// Parse CSS to AST
+const ast = parse('body { font-size: 12px; }')
+
+// Stringify AST back to CSS
+const css = stringify(ast)
+// => "body { font-size: 12px; }"
+
+// Pretty print with custom indentation
+const formatted = stringify(ast, { indent: '  ' })
+// => "body {\n  font-size: 12px;\n}"
+
+// Minify output
+const minified = stringify(ast, { compress: true })
+// => "body{font-size:12px}"
+```
+
+## API
+
+### `parse(code, options?)`
+
+Parses CSS code and returns an Abstract Syntax Tree (AST).
+
+**Parameters:**
+- `code` (string) - The CSS code to parse
+- `options` (object, optional) - Parsing options
+  - `silent` (boolean) - Silently fail on parse errors instead of throwing
+  - `source` (string) - File path for better error reporting
+
+**Returns:** `CssStylesheetAST` - The parsed CSS as an AST
+
+### `stringify(ast, options?)`
+
+Converts a CSS AST back to CSS string with configurable formatting.
+
+**Parameters:**
+- `ast` (CssStylesheetAST) - The CSS AST to stringify
+- `options` (object, optional) - Stringification options
+  - `indent` (string) - Indentation string (default: `'  '`)
+  - `compress` (boolean) - Whether to compress/minify the output (default: `false`)
+
+**Returns:** `string` - The formatted CSS string
+
+## Features
+
+- **Complete CSS Support**: All standard CSS features including selectors, properties, values, at-rules, and comments
+- **TypeScript Support**: Full type definitions for all AST nodes and functions
+- **Error Handling**: Configurable error handling with detailed position information
+- **Formatting Options**: Pretty print, minify, or custom formatting
+- **Performance Optimized**: Efficient parsing and stringification for large CSS files
+- **Source Maps**: Track original source positions for debugging and tooling
+
+### Supported CSS Features
+
+- **Selectors**: Element, class, ID, attribute, pseudo-class, pseudo-element selectors
+- **Properties**: All standard CSS properties and custom properties
+- **Values**: Colors, lengths, percentages, functions, calc(), etc.
+- **At-rules**: @media, @keyframes, @import, @charset, @namespace, @font-face, @page, @document, @supports, @container, @layer, @starting-style, @host, @custom-media
+- **Comments**: Both /* */ and // comments
+- **Whitespace**: Preserves formatting information
+- **Vendor prefixes**: Supports vendor-prefixed at-rules and properties
+- **Nested rules**: Media queries, supports, containers, etc.
+- **Complex selectors**: Combinators, pseudo-selectors, attribute selectors
+
+## Examples
+
+### Error Handling
+
+```js
+import { parse } from '@adobe/css-tools'
+
+const malformedCss = `
+  body { color: red; }
+  { color: blue; } /* Missing selector */
+  .valid { background: green; }
+`
+
+// Parse with silent error handling
+const result = parse(malformedCss, { silent: true })
+
+// Check for parsing errors
+if (result.stylesheet.parsingErrors) {
+  console.log('Parsing errors:', result.stylesheet.parsingErrors.length)
+  result.stylesheet.parsingErrors.forEach(error => {
+    console.log(`Error at line ${error.line}: ${error.message}`)
+  })
+}
+
+// Valid rules are still parsed
+console.log('Valid rules:', result.stylesheet.rules.length)
+```
+
+### Source Tracking
+
+```js
+import { parse } from '@adobe/css-tools'
+
+const css = 'body { color: red; }'
+const ast = parse(css, { source: 'styles.css' })
+
+// Position information is available
+const rule = ast.stylesheet.rules[0]
+console.log(rule.position?.source) // "styles.css"
+console.log(rule.position?.start) // { line: 1, column: 1 }
+console.log(rule.position?.end) // { line: 1, column: 20 }
+```
+
+For more examples, see the [Examples documentation](docs/EXAMPLES.md).
+
+## Performance
+
+The library is optimized for performance and can handle large CSS files efficiently. For benchmarking information, see the `benchmark/` directory in the source code.
+
+## Documentation
+
+- [API Reference](docs/API.md) - Complete API documentation
+- [AST Structure](docs/AST.md) - Detailed AST node types and structure
+- [Examples](docs/EXAMPLES.md) - Comprehensive usage examples
+- [Changelog](docs/CHANGELOG.md) - Version history and changes
+
+## Background
+
+This is a fork of the npm `css` package, maintained by Adobe with modern improvements including TypeScript support, enhanced performance, and security updates. It provides a robust foundation for CSS tooling, preprocessing, and analysis.
+
+## License
+
+[MIT](LICENSE)
@@ -0,0 +1,176 @@
+declare class CssParseError extends Error {
+    readonly reason: string;
+    readonly filename?: string;
+    readonly line: number;
+    readonly column: number;
+    readonly source: string;
+    constructor(filename: string, msg: string, lineno: number, column: number, css: string);
+}
+
+/**
+ * Store position information for a node
+ */
+declare class Position {
+    start: {
+        line: number;
+        column: number;
+    };
+    end: {
+        line: number;
+        column: number;
+    };
+    source?: string;
+    constructor(start: {
+        line: number;
+        column: number;
+    }, end: {
+        line: number;
+        column: number;
+    }, source: string);
+}
+
+declare enum CssTypes {
+    stylesheet = "stylesheet",
+    rule = "rule",
+    declaration = "declaration",
+    comment = "comment",
+    container = "container",
+    charset = "charset",
+    document = "document",
+    customMedia = "custom-media",
+    fontFace = "font-face",
+    host = "host",
+    import = "import",
+    keyframes = "keyframes",
+    keyframe = "keyframe",
+    layer = "layer",
+    media = "media",
+    namespace = "namespace",
+    page = "page",
+    startingStyle = "starting-style",
+    supports = "supports"
+}
+type CssCommonAST = {
+    type: CssTypes;
+};
+type CssCommonPositionAST = CssCommonAST & {
+    position?: Position;
+    parent?: unknown;
+};
+type CssStylesheetAST = CssCommonAST & {
+    type: CssTypes.stylesheet;
+    stylesheet: {
+        source?: string;
+        rules: Array<CssAtRuleAST>;
+        parsingErrors?: Array<CssParseError>;
+    };
+};
+type CssRuleAST = CssCommonPositionAST & {
+    type: CssTypes.rule;
+    selectors: Array<string>;
+    declarations: Array<CssDeclarationAST | CssCommentAST>;
+};
+type CssDeclarationAST = CssCommonPositionAST & {
+    type: CssTypes.declaration;
+    property: string;
+    value: string;
+};
+type CssCommentAST = CssCommonPositionAST & {
+    type: CssTypes.comment;
+    comment: string;
+};
+type CssContainerAST = CssCommonPositionAST & {
+    type: CssTypes.container;
+    container: string;
+    rules: Array<CssAtRuleAST>;
+};
+type CssCharsetAST = CssCommonPositionAST & {
+    type: CssTypes.charset;
+    charset: string;
+};
+type CssCustomMediaAST = CssCommonPositionAST & {
+    type: CssTypes.customMedia;
+    name: string;
+    media: string;
+};
+type CssDocumentAST = CssCommonPositionAST & {
+    type: CssTypes.document;
+    document: string;
+    vendor?: string;
+    rules: Array<CssAtRuleAST>;
+};
+type CssFontFaceAST = CssCommonPositionAST & {
+    type: CssTypes.fontFace;
+    declarations: Array<CssDeclarationAST | CssCommentAST>;
+};
+type CssHostAST = CssCommonPositionAST & {
+    type: CssTypes.host;
+    rules: Array<CssAtRuleAST>;
+};
+type CssImportAST = CssCommonPositionAST & {
+    type: CssTypes.import;
+    import: string;
+};
+type CssKeyframesAST = CssCommonPositionAST & {
+    type: CssTypes.keyframes;
+    name: string;
+    vendor?: string;
+    keyframes: Array<CssKeyframeAST | CssCommentAST>;
+};
+type CssKeyframeAST = CssCommonPositionAST & {
+    type: CssTypes.keyframe;
+    values: Array<string>;
+    declarations: Array<CssDeclarationAST | CssCommentAST>;
+};
+type CssLayerAST = CssCommonPositionAST & {
+    type: CssTypes.layer;
+    layer: string;
+    rules?: Array<CssAtRuleAST>;
+};
+type CssMediaAST = CssCommonPositionAST & {
+    type: CssTypes.media;
+    media: string;
+    rules: Array<CssAtRuleAST>;
+};
+type CssNamespaceAST = CssCommonPositionAST & {
+    type: CssTypes.namespace;
+    namespace: string;
+};
+type CssPageAST = CssCommonPositionAST & {
+    type: CssTypes.page;
+    selectors: Array<string>;
+    declarations: Array<CssDeclarationAST | CssCommentAST>;
+};
+type CssSupportsAST = CssCommonPositionAST & {
+    type: CssTypes.supports;
+    supports: string;
+    rules: Array<CssAtRuleAST>;
+};
+type CssStartingStyleAST = CssCommonPositionAST & {
+    type: CssTypes.startingStyle;
+    rules: Array<CssAtRuleAST>;
+};
+type CssAtRuleAST = CssRuleAST | CssCommentAST | CssContainerAST | CssCharsetAST | CssCustomMediaAST | CssDocumentAST | CssFontFaceAST | CssHostAST | CssImportAST | CssKeyframesAST | CssLayerAST | CssMediaAST | CssNamespaceAST | CssPageAST | CssSupportsAST | CssStartingStyleAST;
+type CssAllNodesAST = CssAtRuleAST | CssStylesheetAST | CssDeclarationAST | CssKeyframeAST;
+
+type CompilerOptions = {
+    indent?: string;
+    compress?: boolean;
+};
+
+declare const parse: (css: string, options?: {
+    source?: string;
+    silent?: boolean;
+}) => CssStylesheetAST;
+declare const stringify: (node: CssStylesheetAST, options?: CompilerOptions) => string;
+
+declare const _default: {
+    parse: (css: string, options?: {
+        source?: string;
+        silent?: boolean;
+    }) => CssStylesheetAST;
+    stringify: (node: CssStylesheetAST, options?: CompilerOptions) => string;
+};
+
+export { CssTypes, _default as default, parse, stringify };
+export type { CssAllNodesAST, CssAtRuleAST, CssCharsetAST, CssCommentAST, CssCommonAST, CssCommonPositionAST, CssContainerAST, CssCustomMediaAST, CssDeclarationAST, CssDocumentAST, CssFontFaceAST, CssHostAST, CssImportAST, CssKeyframeAST, CssKeyframesAST, CssLayerAST, CssMediaAST, CssNamespaceAST, CssPageAST, CssRuleAST, CssStartingStyleAST, CssStylesheetAST, CssSupportsAST };
@@ -0,0 +1,176 @@
+declare class CssParseError extends Error {
+    readonly reason: string;
+    readonly filename?: string;
+    readonly line: number;
+    readonly column: number;
+    readonly source: string;
+    constructor(filename: string, msg: string, lineno: number, column: number, css: string);
+}
+
+/**
+ * Store position information for a node
+ */
+declare class Position {
+    start: {
+        line: number;
+        column: number;
+    };
+    end: {
+        line: number;
+        column: number;
+    };
+    source?: string;
+    constructor(start: {
+        line: number;
+        column: number;
+    }, end: {
+        line: number;
+        column: number;
+    }, source: string);
+}
+
+declare enum CssTypes {
+    stylesheet = "stylesheet",
+    rule = "rule",
+    declaration = "declaration",
+    comment = "comment",
+    container = "container",
+    charset = "charset",
+    document = "document",
+    customMedia = "custom-media",
+    fontFace = "font-face",
+    host = "host",
+    import = "import",
+    keyframes = "keyframes",
+    keyframe = "keyframe",
+    layer = "layer",
+    media = "media",
+    namespace = "namespace",
+    page = "page",
+    startingStyle = "starting-style",
+    supports = "supports"
+}
+type CssCommonAST = {
+    type: CssTypes;
+};
+type CssCommonPositionAST = CssCommonAST & {
+    position?: Position;
+    parent?: unknown;
+};
+type CssStylesheetAST = CssCommonAST & {
+    type: CssTypes.stylesheet;
+    stylesheet: {
+        source?: string;
+        rules: Array<CssAtRuleAST>;
+        parsingErrors?: Array<CssParseError>;
+    };
+};
+type CssRuleAST = CssCommonPositionAST & {
+    type: CssTypes.rule;
+    selectors: Array<string>;
+    declarations: Array<CssDeclarationAST | CssCommentAST>;
+};
+type CssDeclarationAST = CssCommonPositionAST & {
+    type: CssTypes.declaration;
+    property: string;
+    value: string;
+};
+type CssCommentAST = CssCommonPositionAST & {
+    type: CssTypes.comment;
+    comment: string;
+};
+type CssContainerAST = CssCommonPositionAST & {
+    type: CssTypes.container;
+    container: string;
+    rules: Array<CssAtRuleAST>;
+};
+type CssCharsetAST = CssCommonPositionAST & {
+    type: CssTypes.charset;
+    charset: string;
+};
+type CssCustomMediaAST = CssCommonPositionAST & {
+    type: CssTypes.customMedia;
+    name: string;
+    media: string;
+};
+type CssDocumentAST = CssCommonPositionAST & {
+    type: CssTypes.document;
+    document: string;
+    vendor?: string;
+    rules: Array<CssAtRuleAST>;
+};
+type CssFontFaceAST = CssCommonPositionAST & {
+    type: CssTypes.fontFace;
+    declarations: Array<CssDeclarationAST | CssCommentAST>;
+};
+type CssHostAST = CssCommonPositionAST & {
+    type: CssTypes.host;
+    rules: Array<CssAtRuleAST>;
+};
+type CssImportAST = CssCommonPositionAST & {
+    type: CssTypes.import;
+    import: string;
+};
+type CssKeyframesAST = CssCommonPositionAST & {
+    type: CssTypes.keyframes;
+    name: string;
+    vendor?: string;
+    keyframes: Array<CssKeyframeAST | CssCommentAST>;
+};
+type CssKeyframeAST = CssCommonPositionAST & {
+    type: CssTypes.keyframe;
+    values: Array<string>;
+    declarations: Array<CssDeclarationAST | CssCommentAST>;
+};
+type CssLayerAST = CssCommonPositionAST & {
+    type: CssTypes.layer;
+    layer: string;
+    rules?: Array<CssAtRuleAST>;
+};
+type CssMediaAST = CssCommonPositionAST & {
+    type: CssTypes.media;
+    media: string;
+    rules: Array<CssAtRuleAST>;
+};
+type CssNamespaceAST = CssCommonPositionAST & {
+    type: CssTypes.namespace;
+    namespace: string;
+};
+type CssPageAST = CssCommonPositionAST & {
+    type: CssTypes.page;
+    selectors: Array<string>;
+    declarations: Array<CssDeclarationAST | CssCommentAST>;
+};
+type CssSupportsAST = CssCommonPositionAST & {
+    type: CssTypes.supports;
+    supports: string;
+    rules: Array<CssAtRuleAST>;
+};
+type CssStartingStyleAST = CssCommonPositionAST & {
+    type: CssTypes.startingStyle;
+    rules: Array<CssAtRuleAST>;
+};
+type CssAtRuleAST = CssRuleAST | CssCommentAST | CssContainerAST | CssCharsetAST | CssCustomMediaAST | CssDocumentAST | CssFontFaceAST | CssHostAST | CssImportAST | CssKeyframesAST | CssLayerAST | CssMediaAST | CssNamespaceAST | CssPageAST | CssSupportsAST | CssStartingStyleAST;
+type CssAllNodesAST = CssAtRuleAST | CssStylesheetAST | CssDeclarationAST | CssKeyframeAST;
+
+type CompilerOptions = {
+    indent?: string;
+    compress?: boolean;
+};
+
+declare const parse: (css: string, options?: {
+    source?: string;
+    silent?: boolean;
+}) => CssStylesheetAST;
+declare const stringify: (node: CssStylesheetAST, options?: CompilerOptions) => string;
+
+declare const _default: {
+    parse: (css: string, options?: {
+        source?: string;
+        silent?: boolean;
+    }) => CssStylesheetAST;
+    stringify: (node: CssStylesheetAST, options?: CompilerOptions) => string;
+};
+
+export { CssTypes, _default as default, parse, stringify };
+export type { CssAllNodesAST, CssAtRuleAST, CssCharsetAST, CssCommentAST, CssCommonAST, CssCommonPositionAST, CssContainerAST, CssCustomMediaAST, CssDeclarationAST, CssDocumentAST, CssFontFaceAST, CssHostAST, CssImportAST, CssKeyframeAST, CssKeyframesAST, CssLayerAST, CssMediaAST, CssNamespaceAST, CssPageAST, CssRuleAST, CssStartingStyleAST, CssStylesheetAST, CssSupportsAST };
@@ -0,0 +1,176 @@
+declare class CssParseError extends Error {
+    readonly reason: string;
+    readonly filename?: string;
+    readonly line: number;
+    readonly column: number;
+    readonly source: string;
+    constructor(filename: string, msg: string, lineno: number, column: number, css: string);
+}
+
+/**
+ * Store position information for a node
+ */
+declare class Position {
+    start: {
+        line: number;
+        column: number;
+    };
+    end: {
+        line: number;
+        column: number;
+    };
+    source?: string;
+    constructor(start: {
+        line: number;
+        column: number;
+    }, end: {
+        line: number;
+        column: number;
+    }, source: string);
+}
+
+declare enum CssTypes {
+    stylesheet = "stylesheet",
+    rule = "rule",
+    declaration = "declaration",
+    comment = "comment",
+    container = "container",
+    charset = "charset",
+    document = "document",
+    customMedia = "custom-media",
+    fontFace = "font-face",
+    host = "host",
+    import = "import",
+    keyframes = "keyframes",
+    keyframe = "keyframe",
+    layer = "layer",
+    media = "media",
+    namespace = "namespace",
+    page = "page",
+    startingStyle = "starting-style",
+    supports = "supports"
+}
+type CssCommonAST = {
+    type: CssTypes;
+};
+type CssCommonPositionAST = CssCommonAST & {
+    position?: Position;
+    parent?: unknown;
+};
+type CssStylesheetAST = CssCommonAST & {
+    type: CssTypes.stylesheet;
+    stylesheet: {
+        source?: string;
+        rules: Array<CssAtRuleAST>;
+        parsingErrors?: Array<CssParseError>;
+    };
+};
+type CssRuleAST = CssCommonPositionAST & {
+    type: CssTypes.rule;
+    selectors: Array<string>;
+    declarations: Array<CssDeclarationAST | CssCommentAST>;
+};
+type CssDeclarationAST = CssCommonPositionAST & {
+    type: CssTypes.declaration;
+    property: string;
+    value: string;
+};
+type CssCommentAST = CssCommonPositionAST & {
+    type: CssTypes.comment;
+    comment: string;
+};
+type CssContainerAST = CssCommonPositionAST & {
+    type: CssTypes.container;
+    container: string;
+    rules: Array<CssAtRuleAST>;
+};
+type CssCharsetAST = CssCommonPositionAST & {
+    type: CssTypes.charset;
+    charset: string;
+};
+type CssCustomMediaAST = CssCommonPositionAST & {
+    type: CssTypes.customMedia;
+    name: string;
+    media: string;
+};
+type CssDocumentAST = CssCommonPositionAST & {
+    type: CssTypes.document;
+    document: string;
+    vendor?: string;
+    rules: Array<CssAtRuleAST>;
+};
+type CssFontFaceAST = CssCommonPositionAST & {
+    type: CssTypes.fontFace;
+    declarations: Array<CssDeclarationAST | CssCommentAST>;
+};
+type CssHostAST = CssCommonPositionAST & {
+    type: CssTypes.host;
+    rules: Array<CssAtRuleAST>;
+};
+type CssImportAST = CssCommonPositionAST & {
+    type: CssTypes.import;
+    import: string;
+};
+type CssKeyframesAST = CssCommonPositionAST & {
+    type: CssTypes.keyframes;
+    name: string;
+    vendor?: string;
+    keyframes: Array<CssKeyframeAST | CssCommentAST>;
+};
+type CssKeyframeAST = CssCommonPositionAST & {
+    type: CssTypes.keyframe;
+    values: Array<string>;
+    declarations: Array<CssDeclarationAST | CssCommentAST>;
+};
+type CssLayerAST = CssCommonPositionAST & {
+    type: CssTypes.layer;
+    layer: string;
+    rules?: Array<CssAtRuleAST>;
+};
+type CssMediaAST = CssCommonPositionAST & {
+    type: CssTypes.media;
+    media: string;
+    rules: Array<CssAtRuleAST>;
+};
+type CssNamespaceAST = CssCommonPositionAST & {
+    type: CssTypes.namespace;
+    namespace: string;
+};
+type CssPageAST = CssCommonPositionAST & {
+    type: CssTypes.page;
+    selectors: Array<string>;
+    declarations: Array<CssDeclarationAST | CssCommentAST>;
+};
+type CssSupportsAST = CssCommonPositionAST & {
+    type: CssTypes.supports;
+    supports: string;
+    rules: Array<CssAtRuleAST>;
+};
+type CssStartingStyleAST = CssCommonPositionAST & {
+    type: CssTypes.startingStyle;
+    rules: Array<CssAtRuleAST>;
+};
+type CssAtRuleAST = CssRuleAST | CssCommentAST | CssContainerAST | CssCharsetAST | CssCustomMediaAST | CssDocumentAST | CssFontFaceAST | CssHostAST | CssImportAST | CssKeyframesAST | CssLayerAST | CssMediaAST | CssNamespaceAST | CssPageAST | CssSupportsAST | CssStartingStyleAST;
+type CssAllNodesAST = CssAtRuleAST | CssStylesheetAST | CssDeclarationAST | CssKeyframeAST;
+
+type CompilerOptions = {
+    indent?: string;
+    compress?: boolean;
+};
+
+declare const parse: (css: string, options?: {
+    source?: string;
+    silent?: boolean;
+}) => CssStylesheetAST;
+declare const stringify: (node: CssStylesheetAST, options?: CompilerOptions) => string;
+
+declare const _default: {
+    parse: (css: string, options?: {
+        source?: string;
+        silent?: boolean;
+    }) => CssStylesheetAST;
+    stringify: (node: CssStylesheetAST, options?: CompilerOptions) => string;
+};
+
+export { CssTypes, _default as default, parse, stringify };
+export type { CssAllNodesAST, CssAtRuleAST, CssCharsetAST, CssCommentAST, CssCommonAST, CssCommonPositionAST, CssContainerAST, CssCustomMediaAST, CssDeclarationAST, CssDocumentAST, CssFontFaceAST, CssHostAST, CssImportAST, CssKeyframeAST, CssKeyframesAST, CssLayerAST, CssMediaAST, CssNamespaceAST, CssPageAST, CssRuleAST, CssStartingStyleAST, CssStylesheetAST, CssSupportsAST };
@@ -0,0 +1,314 @@
+# API Reference
+
+## Overview
+
+`@adobe/css-tools` provides a modern CSS parser and stringifier with comprehensive TypeScript support. It can parse CSS into an Abstract Syntax Tree (AST) and convert the AST back to CSS with various formatting options.
+
+## Installation
+
+```bash
+npm install @adobe/css-tools
+```
+
+## Core Functions
+
+### `parse(code, options?)`
+
+Parses CSS code and returns an Abstract Syntax Tree (AST).
+
+#### Parameters
+
+- `code` (string) - The CSS code to parse
+- `options` (object, optional) - Parsing options
+  - `silent` (boolean) - Silently fail on parse errors instead of throwing. When `true`, errors are collected in `ast.stylesheet.parsingErrors`
+  - `source` (string) - File path for better error reporting
+
+#### Returns
+
+- `CssStylesheetAST` - The parsed CSS as an AST
+
+#### Example
+
+```javascript
+import { parse } from '@adobe/css-tools';
+
+const css = `
+  .example {
+    color: red;
+    font-size: 16px;
+  }
+`;
+
+const ast = parse(css);
+console.log(ast.stylesheet.rules);
+```
+
+### `stringify(ast, options?)`
+
+Converts a CSS AST back to CSS string with configurable formatting.
+
+#### Parameters
+
+- `ast` (CssStylesheetAST) - The CSS AST to stringify
+- `options` (CompilerOptions, optional) - Stringification options
+  - `indent` (string) - Indentation string (default: `'  '`)
+  - `compress` (boolean) - Whether to compress/minify the output (default: `false`)
+
+#### Returns
+
+- `string` - The formatted CSS string
+
+#### Example
+
+```javascript
+import { parse, stringify } from '@adobe/css-tools';
+
+const css = '.example { color: red; }';
+const ast = parse(css);
+
+// Pretty print
+const formatted = stringify(ast, { indent: '  ' });
+console.log(formatted);
+// Output:
+// .example {
+//   color: red;
+// }
+
+// Compressed
+const minified = stringify(ast, { compress: true });
+console.log(minified);
+// Output: .example{color:red}
+```
+
+## Type Definitions
+
+### Core Types
+
+#### `CssStylesheetAST`
+The root AST node representing a complete CSS stylesheet.
+
+```typescript
+type CssStylesheetAST = {
+  type: CssTypes.stylesheet;
+  stylesheet: {
+    source?: string;
+    rules: CssRuleAST[];
+    parsingErrors?: CssParseError[];
+  };
+};
+```
+
+#### `CssRuleAST`
+Represents a CSS rule (selector + declarations).
+
+```typescript
+type CssRuleAST = {
+  type: CssTypes.rule;
+  selectors: string[];
+  declarations: CssDeclarationAST[];
+  position?: CssPosition;
+  parent?: CssStylesheetAST;
+};
+```
+
+#### `CssDeclarationAST`
+Represents a CSS property declaration.
+
+```typescript
+type CssDeclarationAST = {
+  type: CssTypes.declaration;
+  property: string;
+  value: string;
+  position?: CssPosition;
+  parent?: CssRuleAST;
+};
+```
+
+#### `CssMediaAST`
+Represents a CSS @media rule.
+
+```typescript
+type CssMediaAST = {
+  type: CssTypes.media;
+  media: string;
+  rules: CssRuleAST[];
+  position?: CssPosition;
+  parent?: CssStylesheetAST;
+};
+```
+
+#### `CssKeyframesAST`
+Represents a CSS @keyframes rule.
+
+```typescript
+type CssKeyframesAST = {
+  type: CssTypes.keyframes;
+  name: string;
+  keyframes: CssKeyframeAST[];
+  position?: CssPosition;
+  parent?: CssStylesheetAST;
+};
+```
+
+#### `CssPosition`
+Represents source position information.
+
+```typescript
+type CssPosition = {
+  source?: string;
+  start: {
+    line: number;
+    column: number;
+  };
+  end: {
+    line: number;
+    column: number;
+  };
+};
+```
+
+#### `CssParseError`
+Represents a parsing error.
+
+```typescript
+type CssParseError = {
+  message: string;
+  reason: string;
+  filename?: string;
+  line: number;
+  column: number;
+  source?: string;
+};
+```
+
+### Compiler Options
+
+#### `CompilerOptions`
+Options for the stringifier.
+
+```typescript
+type CompilerOptions = {
+  indent?: string;    // Default: '  '
+  compress?: boolean; // Default: false
+};
+```
+
+## Error Handling
+
+### Silent Parsing
+
+When parsing malformed CSS, you can use the `silent` option to collect errors instead of throwing:
+
+```javascript
+import { parse } from '@adobe/css-tools';
+
+const malformedCss = `
+  body { color: red; }
+  { color: blue; } /* Missing selector */
+  .valid { background: green; }
+`;
+
+const result = parse(malformedCss, { silent: true });
+
+if (result.stylesheet.parsingErrors) {
+  result.stylesheet.parsingErrors.forEach(error => {
+    console.log(`Error at line ${error.line}: ${error.message}`);
+  });
+}
+
+// Valid rules are still parsed
+console.log('Valid rules:', result.stylesheet.rules.length);
+```
+
+### Source Tracking
+
+Enable source tracking for better error reporting:
+
+```javascript
+import { parse } from '@adobe/css-tools';
+
+const css = 'body { color: red; }';
+const ast = parse(css, { source: 'styles.css' });
+
+const rule = ast.stylesheet.rules[0];
+console.log(rule.position?.source); // "styles.css"
+console.log(rule.position?.start);  // { line: 1, column: 1 }
+console.log(rule.position?.end);    // { line: 1, column: 20 }
+```
+
+## Advanced Usage
+
+### Working with At-Rules
+
+```javascript
+import { parse, stringify } from '@adobe/css-tools';
+
+const css = `
+  @media (max-width: 768px) {
+    .container {
+      padding: 10px;
+    }
+  }
+  
+  @keyframes fadeIn {
+    from { opacity: 0; }
+    to { opacity: 1; }
+  }
+`;
+
+const ast = parse(css);
+
+// Access media rules
+const mediaRule = ast.stylesheet.rules.find(rule => rule.type === 'media');
+console.log(mediaRule.media); // "(max-width: 768px)"
+
+// Access keyframes
+const keyframesRule = ast.stylesheet.rules.find(rule => rule.type === 'keyframes');
+console.log(keyframesRule.name); // "fadeIn"
+```
+
+### Custom Formatting
+
+```javascript
+import { parse, stringify } from '@adobe/css-tools';
+
+const css = '.example{color:red;font-size:16px}';
+const ast = parse(css);
+
+// Custom indentation
+const formatted = stringify(ast, { indent: '    ' });
+console.log(formatted);
+// Output:
+// .example {
+//     color: red;
+//     font-size: 16px;
+// }
+
+// Compressed with no spaces
+const compressed = stringify(ast, { compress: true });
+console.log(compressed);
+// Output: .example{color:red;font-size:16px}
+```
+
+## TypeScript Integration
+
+The library provides comprehensive TypeScript support with full type definitions for all AST nodes and functions:
+
+```typescript
+import { parse, stringify, type CssStylesheetAST } from '@adobe/css-tools';
+
+const css: string = '.example { color: red; }';
+const ast: CssStylesheetAST = parse(css);
+const output: string = stringify(ast);
+```
+
+## Performance Considerations
+
+- The parser is optimized for large CSS files
+- AST nodes are lightweight and memory-efficient
+- Stringification is fast and supports streaming for large outputs
+- Consider using `compress: true` for production builds to reduce file size
+
+## Browser Support
+
+The library works in all modern browsers and Node.js environments. For older environments, you may need to use a bundler with appropriate polyfills.
@@ -0,0 +1,366 @@
+# Abstract Syntax Tree (AST)
+
+## Overview
+
+The AST represents CSS as a tree structure where each node has a specific type and properties. All nodes share common properties and have type-specific properties.
+
+## Common Properties
+
+All AST nodes have these properties:
+
+### `type`
+
+The node type as a string. See [Node Types](#node-types) for all possible values.
+
+### `position` (optional)
+
+Position information for the node in the source code:
+
+```typescript
+{
+  start: { line: number; column: number };
+  end: { line: number; column: number };
+  source?: string;
+}
+```
+
+### `parent` (optional)
+
+Reference to the parent node in the AST.
+
+## Node Types
+
+### `stylesheet`
+
+The root node representing an entire CSS document.
+
+**Properties:**
+- `stylesheet.source` (optional): Source file path
+- `stylesheet.rules`: Array of top-level rules
+- `stylesheet.parsingErrors` (optional): Array of parse errors when `silent` option is used
+
+**Example:**
+```json
+{
+  "type": "stylesheet",
+  "stylesheet": {
+    "rules": [
+      // ... other nodes
+    ]
+  }
+}
+```
+
+### `rule`
+
+A CSS rule with selectors and declarations.
+
+**Properties:**
+- `selectors`: Array of CSS selectors as strings
+- `declarations`: Array of declarations and comments
+
+**Example:**
+```json
+{
+  "type": "rule",
+  "selectors": ["body", "html"],
+  "declarations": [
+    {
+      "type": "declaration",
+      "property": "color",
+      "value": "red"
+    }
+  ]
+}
+```
+
+### `declaration`
+
+A CSS property declaration.
+
+**Properties:**
+- `property`: The CSS property name
+- `value`: The CSS property value as a string
+
+**Example:**
+```json
+{
+  "type": "declaration",
+  "property": "background-color",
+  "value": "#ffffff"
+}
+```
+
+### `comment`
+
+A CSS comment.
+
+**Properties:**
+- `comment`: The comment text (without `/*` and `*/`)
+
+**Example:**
+```json
+{
+  "type": "comment",
+  "comment": " This is a comment "
+}
+```
+
+### `media`
+
+A `@media` rule.
+
+**Properties:**
+- `media`: The media query string
+- `rules`: Array of rules within the media block
+
+**Example:**
+```json
+{
+  "type": "media",
+  "media": "screen and (max-width: 768px)",
+  "rules": [
+    // ... nested rules
+  ]
+}
+```
+
+### `keyframes`
+
+A `@keyframes` rule.
+
+**Properties:**
+- `name`: The keyframes name
+- `vendor` (optional): Vendor prefix (e.g., "-webkit-")
+- `keyframes`: Array of keyframe rules and comments
+
+**Example:**
+```json
+{
+  "type": "keyframes",
+  "name": "fade",
+  "keyframes": [
+    {
+      "type": "keyframe",
+      "values": ["from"],
+      "declarations": [
+        {
+          "type": "declaration",
+          "property": "opacity",
+          "value": "0"
+        }
+      ]
+    }
+  ]
+}
+```
+
+### `keyframe`
+
+A keyframe within a `@keyframes` rule.
+
+**Properties:**
+- `values`: Array of keyframe selectors (e.g., `["from"]`, `["to"]`, `["50%"]`)
+- `declarations`: Array of declarations and comments
+
+### `import`
+
+An `@import` rule.
+
+**Properties:**
+- `import`: The import string (URL or media query)
+
+**Example:**
+```json
+{
+  "type": "import",
+  "import": "url('styles.css')"
+}
+```
+
+### `charset`
+
+A `@charset` rule.
+
+**Properties:**
+- `charset`: The character encoding
+
+**Example:**
+```json
+{
+  "type": "charset",
+  "charset": "utf-8"
+}
+```
+
+### `namespace`
+
+A `@namespace` rule.
+
+**Properties:**
+- `namespace`: The namespace declaration
+
+**Example:**
+```json
+{
+  "type": "namespace",
+  "namespace": "url(http://www.w3.org/1999/xhtml)"
+}
+```
+
+### `supports`
+
+A `@supports` rule.
+
+**Properties:**
+- `supports`: The supports condition
+- `rules`: Array of rules within the supports block
+
+**Example:**
+```json
+{
+  "type": "supports",
+  "supports": "(display: grid)",
+  "rules": [
+    // ... nested rules
+  ]
+}
+```
+
+### `document`
+
+A `@document` rule.
+
+**Properties:**
+- `document`: The document condition
+- `vendor` (optional): Vendor prefix
+- `rules`: Array of rules within the document block
+
+### `page`
+
+A `@page` rule.
+
+**Properties:**
+- `selectors`: Array of page selectors
+- `declarations`: Array of declarations and comments
+
+### `font-face`
+
+A `@font-face` rule.
+
+**Properties:**
+- `declarations`: Array of font declarations and comments
+
+### `host`
+
+A `:host` rule.
+
+**Properties:**
+- `rules`: Array of rules within the host block
+
+### `container`
+
+A `@container` rule.
+
+**Properties:**
+- `container`: The container query
+- `rules`: Array of rules within the container block
+
+### `layer`
+
+A `@layer` rule.
+
+**Properties:**
+- `layer`: The layer name
+- `rules` (optional): Array of rules within the layer block
+
+### `custom-media`
+
+A `@custom-media` rule.
+
+**Properties:**
+- `name`: The custom media query name
+- `media`: The media query definition
+
+### `starting-style`
+
+A `@starting-style` rule.
+
+**Properties:**
+- `rules`: Array of rules within the starting-style block
+
+## Type Hierarchy
+
+The AST nodes are organized in the following hierarchy:
+
+- `CssStylesheetAST` - Root node
+- `CssAtRuleAST` - Union of all at-rule and rule nodes
+- `CssAllNodesAST` - Union of all possible node types
+
+## Working with the AST
+
+### Traversing Nodes
+
+```typescript
+import { parse, CssStylesheetAST } from '@adobe/css-tools';
+
+const ast: CssStylesheetAST = parse('body { color: red; }');
+
+// Access top-level rules
+ast.stylesheet.rules.forEach(rule => {
+  if (rule.type === 'rule') {
+    console.log('Selectors:', rule.selectors);
+    rule.declarations.forEach(decl => {
+      if (decl.type === 'declaration') {
+        console.log(`${decl.property}: ${decl.value}`);
+      }
+    });
+  }
+});
+```
+
+### Modifying Nodes
+
+```typescript
+// Add a new declaration
+const newDecl = {
+  type: 'declaration' as const,
+  property: 'font-size',
+  value: '16px'
+};
+
+// Find a rule and add the declaration
+ast.stylesheet.rules.forEach(rule => {
+  if (rule.type === 'rule' && rule.selectors.includes('body')) {
+    rule.declarations.push(newDecl);
+  }
+});
+```
+
+### Error Handling
+
+When parsing with the `silent` option, errors are collected in the AST:
+
+```typescript
+const ast = parse('invalid css {', { silent: true });
+
+if (ast.stylesheet.parsingErrors) {
+  ast.stylesheet.parsingErrors.forEach(error => {
+    console.error('Parse error:', error.message);
+  });
+}
+```
+
+## Position Information
+
+Position information is available on most nodes and includes:
+
+- `start.line` and `start.column`: Beginning of the node
+- `end.line` and `end.column`: End of the node  
+- `source`: Source file path (if provided during parsing)
+
+This is useful for:
+- Error reporting
+- Source mapping
+- Code analysis tools
+- IDE integration
@@ -0,0 +1,191 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [4.4.4] - 2025-07-22
+
+### Changed
+- Switch from yarn to npm for package management
+- Switch from eslint to biome for code formatting and linting
+- Reformat codebase to comply with biome recommendations
+- Switch from webpack to rollup for bundling
+
+### Fixed
+- Fix module exports to ensure proper compatibility with bundlers
+- Add validation check to prevent future export issues
+
+## [4.4.3] - 2025-05-15
+
+### Security
+- Fix polynomial regular expression vulnerability on uncontrolled data
+- Refactor code to enable GitHub security static analysis
+
+### Performance
+- Improve parsing performance with minor optimizations
+- Replace regex patterns with string search (indexOf-based) for better performance
+
+### Added
+- Add new utility functions with comprehensive unit tests
+- Add improved formatting for CSS Grid template areas (#283 by @jogibear9988)
+
+### Fixed
+- Fix TypeScript error with ConstructorParameters in Parcel bundler (#444)
+
+## [4.4.2] - 2025-02-12
+
+### Fixed
+- Fix regular expression for parsing quoted values in parentheses
+
+## [4.4.0] - 2024-06-05
+
+### Added
+- Add support for CSS `@starting-style` at-rule (#319)
+
+## [4.3.3] - 2024-01-24
+
+### Changed
+- Update package export configuration (#271)
+
+## [4.3.2] - 2023-11-28
+
+### Security
+- Fix ReDoS vulnerability with crafted CSS strings - CVE-2023-48631
+
+### Fixed
+- Fix parsing issues with `:is()` and nested `:nth-child()` selectors (#211)
+
+## [4.3.1] - 2023-03-14
+
+### Security
+- Fix ReDoS vulnerability with crafted CSS strings - CVE-2023-26364
+
+## [4.3.0] - 2023-03-07
+
+### Changed
+- Update build toolchain and dependencies
+- Update package exports configuration and file structure
+
+## [4.2.0] - 2023-02-21
+
+### Added
+- Add support for CSS `@container` at-rule
+- Add support for CSS `@layer` at-rule
+
+## [4.1.0] - 2023-01-25
+
+### Added
+- Add support for ES Modules (ESM)
+
+## [4.0.2] - 2023-01-12
+
+### Fixed
+- Fix `@import` parsing when URL contains semicolons (#71)
+- Fix regression in selector parsing for attribute selectors (#77)
+
+## [4.0.1] - 2022-08-03
+
+### Fixed
+- Fix `globalThis` configuration for webpack to enable UMD module usage in Node.js environments
+
+## [4.0.0] - 2022-06-09
+
+### Changed
+- Fork from original css library to Adobe's `@adobe/css-tools` package
+- Convert codebase from JavaScript to TypeScript
+- Improve parsing performance by approximately 25%
+- Update all dependencies to latest versions
+- Remove source map support
+
+---
+
+## Legacy Versions (Pre-Adobe Fork)
+
+## [3.0.0] - 2020-07-01
+
+### Changed
+- Bump major version due to major dependency updates and Node.js version requirement changes
+
+## [2.2.1] - 2015-06-17
+
+### Fixed
+- Fix parsing of escaped quotes in quoted strings
+
+## [2.2.0] - 2015-02-18
+
+### Added
+- Add `parsingErrors` property to list errors when parsing with `silent: true`
+- Accept EOL characters and all whitespace characters in at-rules such as `@media`
+
+## [2.1.0] - 2014-08-05
+
+### Added
+- Add `inputSourcemaps` option to disable input source map processing
+- Add `sourcemap: 'generator'` option to return the `SourceMapGenerator` object
+- Use `inherits` package for inheritance (fixes browser compatibility issues)
+
+### Changed
+- Change error message format and add `.reason` property to error objects
+
+## [2.0.0] - 2014-06-18
+
+### Added
+- Add non-enumerable parent reference to each AST node
+- Add support for `@custom-media`, `@host`, and `@font-face` at-rules
+- Allow commas inside selector functions
+- Allow empty property values
+- Add `node.position.content` property
+- Integrate css-parse and css-stringify libraries
+- Apply original source maps from source files
+
+### Changed
+- Change default `options.position` value to `true`
+- Remove comments from properties and values
+
+### Removed
+- Drop Component(1) support
+
+### Fixed
+- Fix assertion errors when selectors are missing
+
+## [1.6.1] - 2014-01-02
+
+### Fixed
+- Fix component.json configuration
+
+## [1.6.0] - 2013-12-21
+
+### Changed
+- Update dependencies
+
+## [1.5.0] - 2013-12-03
+
+### Changed
+- Update dependencies
+
+## [1.1.0] - 2013-04-04
+
+### Changed
+- Update dependencies
+
+## [1.0.7] - 2012-11-21
+
+### Fixed
+- Fix component.json configuration
+
+## [1.0.4] - 2012-11-15
+
+### Changed
+- Update css-stringify dependency
+
+## [1.0.3] - 2012-09-01
+
+### Added
+- Add Component support
+
+## [0.0.1] - 2010-01-03
+
+### Added
+- Initial release
@@ -0,0 +1,450 @@
+# Usage Examples
+
+## Basic Usage
+
+### Parsing CSS
+
+```javascript
+import { parse } from '@adobe/css-tools';
+
+// Basic CSS parsing
+const css = `
+  body {
+    font-size: 12px;
+    color: #333;
+  }
+  
+  .container {
+    max-width: 1200px;
+    margin: 0 auto;
+  }
+`;
+
+const ast = parse(css);
+console.log(ast);
+```
+
+### Stringifying AST
+
+```javascript
+import { parse, stringify } from '@adobe/css-tools';
+
+const css = 'body { font-size: 12px; color: #333; }';
+const ast = parse(css);
+
+// Convert back to CSS
+const output = stringify(ast);
+console.log(output); // "body { font-size: 12px; color: #333; }"
+```
+
+## Advanced Parsing Options
+
+### Source Tracking
+
+```javascript
+import { parse } from '@adobe/css-tools';
+
+const css = 'body { color: red; }';
+const ast = parse(css, { source: 'styles.css' });
+
+// Position information is available
+const rule = ast.stylesheet.rules[0];
+console.log(rule.position?.source); // "styles.css"
+console.log(rule.position?.start); // { line: 1, column: 1 }
+console.log(rule.position?.end); // { line: 1, column: 20 }
+```
+
+### Silent Error Handling
+
+```javascript
+import { parse } from '@adobe/css-tools';
+
+const malformedCss = `
+  body { color: red; }
+  { color: blue; } /* Missing selector */
+  .valid { background: green; }
+`;
+
+// Parse with silent error handling
+const result = parse(malformedCss, { silent: true });
+
+// Check for parsing errors
+if (result.stylesheet.parsingErrors) {
+  console.log('Parsing errors:', result.stylesheet.parsingErrors.length);
+  result.stylesheet.parsingErrors.forEach(error => {
+    console.log(`Error at line ${error.line}: ${error.message}`);
+  });
+}
+
+// Valid rules are still parsed
+console.log('Valid rules:', result.stylesheet.rules.length);
+```
+
+## AST Structure Examples
+
+### Basic Rule
+
+```javascript
+import { parse } from '@adobe/css-tools';
+
+const css = `
+  .header {
+    background: #f0f0f0;
+    padding: 20px;
+    border-bottom: 1px solid #ccc;
+  }
+`;
+
+const ast = parse(css);
+const rule = ast.stylesheet.rules[0];
+
+console.log(rule.type); // "rule"
+console.log(rule.selectors); // [".header"]
+console.log(rule.declarations.length); // 3
+
+rule.declarations.forEach(decl => {
+  console.log(`${decl.property}: ${decl.value}`);
+});
+// Output:
+// background: #f0f0f0
+// padding: 20px
+// border-bottom: 1px solid #ccc
+```
+
+### Media Queries
+
+```javascript
+import { parse } from '@adobe/css-tools';
+
+const css = `
+  @media screen and (max-width: 768px) {
+    .container {
+      padding: 10px;
+    }
+    
+    .sidebar {
+      display: none;
+    }
+  }
+`;
+
+const ast = parse(css);
+const mediaRule = ast.stylesheet.rules[0];
+
+console.log(mediaRule.type); // "media"
+console.log(mediaRule.media); // "screen and (max-width: 768px)"
+console.log(mediaRule.rules.length); // 2
+```
+
+### Keyframes
+
+```javascript
+import { parse } from '@adobe/css-tools';
+
+const css = `
+  @keyframes fadeIn {
+    from {
+      opacity: 0;
+    }
+    to {
+      opacity: 1;
+    }
+  }
+`;
+
+const ast = parse(css);
+const keyframesRule = ast.stylesheet.rules[0];
+
+console.log(keyframesRule.type); // "keyframes"
+console.log(keyframesRule.name); // "fadeIn"
+console.log(keyframesRule.keyframes.length); // 2
+
+keyframesRule.keyframes.forEach(keyframe => {
+  console.log(`Keyframe: ${keyframe.values.join(', ')}`);
+  keyframe.declarations.forEach(decl => {
+    console.log(`  ${decl.property}: ${decl.value}`);
+  });
+});
+```
+
+### Comments
+
+```javascript
+import { parse } from '@adobe/css-tools';
+
+const css = `
+  /* Header styles */
+  .header {
+    background: red; /* Fallback color */
+  }
+  
+  /* Footer styles */
+  .footer {
+    background: blue;
+  }
+`;
+
+const ast = parse(css);
+
+ast.stylesheet.rules.forEach(rule => {
+  if (rule.type === 'comment') {
+    console.log(`Comment: ${rule.comment}`);
+  } else if (rule.type === 'rule') {
+    console.log(`Rule: ${rule.selectors.join(', ')}`);
+    
+    rule.declarations.forEach(decl => {
+      if (decl.type === 'comment') {
+        console.log(`  Comment: ${decl.comment}`);
+      } else {
+        console.log(`  ${decl.property}: ${decl.value}`);
+      }
+    });
+  }
+});
+```
+
+## Stringifying Options
+
+### Compressed Output
+
+```javascript
+import { parse, stringify } from '@adobe/css-tools';
+
+const css = `
+  body {
+    font-size: 12px;
+    color: #333;
+    margin: 0;
+    padding: 0;
+  }
+`;
+
+const ast = parse(css);
+
+// Compressed output
+const compressed = stringify(ast, { compress: true });
+console.log(compressed);
+// Output: "body{font-size:12px;color:#333;margin:0;padding:0}"
+```
+
+### Custom Indentation
+
+```javascript
+import { parse, stringify } from '@adobe/css-tools';
+
+const css = 'body { font-size: 12px; color: #333; }';
+const ast = parse(css);
+
+// Custom indentation
+const formatted = stringify(ast, { indent: '    ' });
+console.log(formatted);
+// Output:
+// body {
+//     font-size: 12px;
+//     color: #333;
+// }
+```
+
+## Working with Complex CSS
+
+### Nested Rules and At-Rules
+
+```javascript
+import { parse, stringify } from '@adobe/css-tools';
+
+const complexCss = `
+  @import url('https://fonts.googleapis.com/css2?family=Roboto');
+  
+  @charset "UTF-8";
+  
+  @media print {
+    body {
+      font-size: 12pt;
+    }
+  }
+  
+  @supports (display: grid) {
+    .grid {
+      display: grid;
+    }
+  }
+  
+  @keyframes slideIn {
+    0% { transform: translateX(-100%); }
+    100% { transform: translateX(0); }
+  }
+  
+  @font-face {
+    font-family: 'CustomFont';
+    src: url('custom-font.woff2') format('woff2');
+  }
+`;
+
+const ast = parse(complexCss);
+
+ast.stylesheet.rules.forEach(rule => {
+  switch (rule.type) {
+    case 'import':
+      console.log(`Import: ${rule.import}`);
+      break;
+    case 'charset':
+      console.log(`Charset: ${rule.charset}`);
+      break;
+    case 'media':
+      console.log(`Media query: ${rule.media}`);
+      break;
+    case 'supports':
+      console.log(`Supports: ${rule.supports}`);
+      break;
+    case 'keyframes':
+      console.log(`Keyframes: ${rule.name}`);
+      break;
+    case 'font-face':
+      console.log('Font-face rule');
+      break;
+  }
+});
+```
+
+### Manipulating the AST
+
+```javascript
+import { parse, stringify } from '@adobe/css-tools';
+
+const css = `
+  .button {
+    background: blue;
+    color: white;
+    padding: 10px;
+  }
+`;
+
+const ast = parse(css);
+const rule = ast.stylesheet.rules[0];
+
+// Add a new declaration
+rule.declarations.push({
+  type: 'declaration',
+  property: 'border-radius',
+  value: '5px'
+});
+
+// Modify existing declaration
+const backgroundDecl = rule.declarations.find(d => d.property === 'background');
+if (backgroundDecl) {
+  backgroundDecl.value = 'red';
+}
+
+// Add a new selector
+rule.selectors.push('.btn');
+
+const modifiedCss = stringify(ast);
+console.log(modifiedCss);
+```
+
+## Error Handling
+
+### Catching Parse Errors
+
+```javascript
+import { parse, CssParseError } from '@adobe/css-tools';
+
+try {
+  const ast = parse('body { color: red; } { invalid }');
+} catch (error) {
+  if (error instanceof CssParseError) {
+    console.log(`Parse error at line ${error.line}, column ${error.column}:`);
+    console.log(error.message);
+    console.log(`Source: ${error.filename}`);
+  }
+}
+```
+
+### Working with Silent Errors
+
+```javascript
+import { parse } from '@adobe/css-tools';
+
+const problematicCss = `
+  body { color: red; }
+  { color: blue; } /* Missing selector */
+  .valid { background: green; }
+  .another { border: 1px solid; } /* Missing closing brace */
+`;
+
+const result = parse(problematicCss, { 
+  silent: true, 
+  source: 'problematic.css' 
+});
+
+// Process valid rules
+const validRules = result.stylesheet.rules.filter(rule => rule.type === 'rule');
+console.log(`Found ${validRules.length} valid rules`);
+
+// Log errors for debugging
+if (result.stylesheet.parsingErrors) {
+  result.stylesheet.parsingErrors.forEach(error => {
+    console.log(`Error: ${error.message} at line ${error.line}`);
+  });
+}
+```
+
+### CSS Minification
+
+```javascript
+import { parse, stringify } from '@adobe/css-tools';
+
+function minifyCSS(css) {
+  const ast = parse(css);
+  return stringify(ast, { compress: true });
+}
+
+const css = `
+  body {
+    font-size: 12px;
+    color: #333;
+    margin: 0;
+    padding: 0;
+  }
+  
+  .container {
+    max-width: 1200px;
+    margin: 0 auto;
+  }
+`;
+
+const minified = minifyCSS(css);
+console.log(minified);
+// Output: "body{font-size:12px;color:#333;margin:0;padding:0}.container{max-width:1200px;margin:0 auto}"
+```
+
+### CSS Validation
+
+```javascript
+import { parse } from '@adobe/css-tools';
+
+function validateCSS(css, filename = 'unknown') {
+  try {
+    const ast = parse(css, { source: filename });
+    return {
+      valid: true,
+      rules: ast.stylesheet.rules.length,
+      errors: []
+    };
+  } catch (error) {
+    return {
+      valid: false,
+      rules: 0,
+      errors: [{
+        message: error.message,
+        line: error.line,
+        column: error.column,
+        source: error.filename
+      }]
+    };
+  }
+}
+
+const result = validateCSS('body { color: red; } { invalid }', 'test.css');
+console.log(result);
+```
@@ -0,0 +1,82 @@
+{
+  "name": "@adobe/css-tools",
+  "version": "4.4.4",
+  "description": "A modern CSS parser and stringifier with TypeScript support",
+  "source": "src/index.ts",
+  "main": "./dist/cjs/adobe-css-tools.cjs",
+  "module": "./dist/esm/adobe-css-tools.mjs",
+  "browser": "./dist/umd/adobe-css-tools.js",
+  "sideEffects": false,
+  "exports": {
+    ".": {
+      "import": "./dist/esm/adobe-css-tools.mjs",
+      "require": "./dist/cjs/adobe-css-tools.cjs"
+    },
+    "./package.json": "./package.json"
+  },
+  "types": "./dist/esm/adobe-css-tools.d.mts",
+  "type": "module",
+  "files": [
+    "dist/cjs",
+    "dist/esm",
+    "dist/umd",
+    "README.md",
+    "docs/"
+  ],
+  "devDependencies": {
+    "@arethetypeswrong/cli": "^0.18.2",
+    "@biomejs/biome": "^2.1.2",
+    "@rollup/plugin-commonjs": "^28.0.6",
+    "@rollup/plugin-node-resolve": "^16.0.1",
+    "@rollup/plugin-terser": "^0.4.4",
+    "@rollup/plugin-typescript": "^12.1.4",
+    "@types/benchmark": "^2.1.1",
+    "@types/bytes": "^3.1.5",
+    "@types/jest": "^29.5.14",
+    "@types/node": "^24.0.3",
+    "benchmark": "^2.1.4",
+    "bytes": "^3.1.0",
+    "jest": "^29.7.0",
+    "rollup": "^4.45.1",
+    "rollup-plugin-dts": "^6.2.1",
+    "ts-jest": "^29.1.1",
+    "tslib": "^2.8.1",
+    "typescript": "^5.7.3"
+  },
+  "scripts": {
+    "benchmark": "npm run build && node benchmark/index.mjs",
+    "test": "jest",
+    "clean": "rm -rf ./dist",
+    "build": "rollup -c",
+    "fix": "biome check --write",
+    "check-package-bundle": "attw --pack .",
+    "lint": "biome check",
+    "prebuild": "npm run clean",
+    "prepack": "rollup -c",
+    "posttest": "npm run lint",
+    "postbuild": "tar -czf dist/archive.tgz LICENSE README.md dist/cjs dist/esm dist/umd docs package.json && npx attw --format ascii dist/archive.tgz && rm dist/archive.tgz"
+  },
+  "author": "TJ Holowaychuk <tj@vision-media.ca>",
+  "contributors": [
+    "Jean-Philippe Zolesio <holblin@gmail.com>"
+  ],
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/adobe/css-tools.git"
+  },
+  "keywords": [
+    "css",
+    "parser",
+    "stringifier",
+    "stylesheet",
+    "ast",
+    "typescript",
+    "css-parser",
+    "css-ast",
+    "css-tools",
+    "minify",
+    "format",
+    "preprocessor"
+  ]
+}
@@ -0,0 +1,202 @@
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
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+      To apply the Apache License to your work, attach the following
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+   Copyright [yyyy] [name of copyright owner]
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+   See the License for the specific language governing permissions and
+   limitations under the License.
@@ -0,0 +1,218 @@
+# @ampproject/remapping
+
+> Remap sequential sourcemaps through transformations to point at the original source code
+
+Remapping allows you to take the sourcemaps generated through transforming your code and "remap"
+them to the original source locations. Think "my minified code, transformed with babel and bundled
+with webpack", all pointing to the correct location in your original source code.
+
+With remapping, none of your source code transformations need to be aware of the input's sourcemap,
+they only need to generate an output sourcemap. This greatly simplifies building custom
+transformations (think a find-and-replace).
+
+## Installation
+
+```sh
+npm install @ampproject/remapping
+```
+
+## Usage
+
+```typescript
+function remapping(
+  map: SourceMap | SourceMap[],
+  loader: (file: string, ctx: LoaderContext) => (SourceMap | null | undefined),
+  options?: { excludeContent: boolean, decodedMappings: boolean }
+): SourceMap;
+
+// LoaderContext gives the loader the importing sourcemap, tree depth, the ability to override the
+// "source" location (where child sources are resolved relative to, or the location of original
+// source), and the ability to override the "content" of an original source for inclusion in the
+// output sourcemap.
+type LoaderContext = {
+ readonly importer: string;
+ readonly depth: number;
+ source: string;
+ content: string | null | undefined;
+}
+```
+
+`remapping` takes the final output sourcemap, and a `loader` function. For every source file pointer
+in the sourcemap, the `loader` will be called with the resolved path. If the path itself represents
+a transformed file (it has a sourcmap associated with it), then the `loader` should return that
+sourcemap. If not, the path will be treated as an original, untransformed source code.
+
+```js
+// Babel transformed "helloworld.js" into "transformed.js"
+const transformedMap = JSON.stringify({
+  file: 'transformed.js',
+  // 1st column of 2nd line of output file translates into the 1st source
+  // file, line 3, column 2
+  mappings: ';CAEE',
+  sources: ['helloworld.js'],
+  version: 3,
+});
+
+// Uglify minified "transformed.js" into "transformed.min.js"
+const minifiedTransformedMap = JSON.stringify({
+  file: 'transformed.min.js',
+  // 0th column of 1st line of output file translates into the 1st source
+  // file, line 2, column 1.
+  mappings: 'AACC',
+  names: [],
+  sources: ['transformed.js'],
+  version: 3,
+});
+
+const remapped = remapping(
+  minifiedTransformedMap,
+  (file, ctx) => {
+
+    // The "transformed.js" file is an transformed file.
+    if (file === 'transformed.js') {
+      // The root importer is empty.
+      console.assert(ctx.importer === '');
+      // The depth in the sourcemap tree we're currently loading.
+      // The root `minifiedTransformedMap` is depth 0, and its source children are depth 1, etc.
+      console.assert(ctx.depth === 1);
+
+      return transformedMap;
+    }
+
+    // Loader will be called to load transformedMap's source file pointers as well.
+    console.assert(file === 'helloworld.js');
+    // `transformed.js`'s sourcemap points into `helloworld.js`.
+    console.assert(ctx.importer === 'transformed.js');
+    // This is a source child of `transformed`, which is a source child of `minifiedTransformedMap`.
+    console.assert(ctx.depth === 2);
+    return null;
+  }
+);
+
+console.log(remapped);
+// {
+//   file: 'transpiled.min.js',
+//   mappings: 'AAEE',
+//   sources: ['helloworld.js'],
+//   version: 3,
+// };
+```
+
+In this example, `loader` will be called twice:
+
+1. `"transformed.js"`, the first source file pointer in the `minifiedTransformedMap`. We return the
+   associated sourcemap for it (its a transformed file, after all) so that sourcemap locations can
+   be traced through it into the source files it represents.
+2. `"helloworld.js"`, our original, unmodified source code. This file does not have a sourcemap, so
+   we return `null`.
+
+The `remapped` sourcemap now points from `transformed.min.js` into locations in `helloworld.js`. If
+you were to read the `mappings`, it says "0th column of the first line output line points to the 1st
+column of the 2nd line of the file `helloworld.js`".
+
+### Multiple transformations of a file
+
+As a convenience, if you have multiple single-source transformations of a file, you may pass an
+array of sourcemap files in the order of most-recent transformation sourcemap first. Note that this
+changes the `importer` and `depth` of each call to our loader. So our above example could have been
+written as:
+
+```js
+const remapped = remapping(
+  [minifiedTransformedMap, transformedMap],
+  () => null
+);
+
+console.log(remapped);
+// {
+//   file: 'transpiled.min.js',
+//   mappings: 'AAEE',
+//   sources: ['helloworld.js'],
+//   version: 3,
+// };
+```
+
+### Advanced control of the loading graph
+
+#### `source`
+
+The `source` property can overridden to any value to change the location of the current load. Eg,
+for an original source file, it allows us to change the location to the original source regardless
+of what the sourcemap source entry says. And for transformed files, it allows us to change the
+relative resolving location for child sources of the loaded sourcemap.
+
+```js
+const remapped = remapping(
+  minifiedTransformedMap,
+  (file, ctx) => {
+
+    if (file === 'transformed.js') {
+      // We pretend the transformed.js file actually exists in the 'src/' directory. When the nested
+      // source files are loaded, they will now be relative to `src/`.
+      ctx.source = 'src/transformed.js';
+      return transformedMap;
+    }
+
+    console.assert(file === 'src/helloworld.js');
+    // We could futher change the source of this original file, eg, to be inside a nested directory
+    // itself. This will be reflected in the remapped sourcemap.
+    ctx.source = 'src/nested/transformed.js';
+    return null;
+  }
+);
+
+console.log(remapped);
+// {
+//   …,
+//   sources: ['src/nested/helloworld.js'],
+// };
+```
+
+
+#### `content`
+
+The `content` property can be overridden when we encounter an original source file. Eg, this allows
+you to manually provide the source content of the original file regardless of whether the
+`sourcesContent` field is present in the parent sourcemap. It can also be set to `null` to remove
+the source content.
+
+```js
+const remapped = remapping(
+  minifiedTransformedMap,
+  (file, ctx) => {
+
+    if (file === 'transformed.js') {
+      // transformedMap does not include a `sourcesContent` field, so usually the remapped sourcemap
+      // would not include any `sourcesContent` values.
+      return transformedMap;
+    }
+
+    console.assert(file === 'helloworld.js');
+    // We can read the file to provide the source content.
+    ctx.content = fs.readFileSync(file, 'utf8');
+    return null;
+  }
+);
+
+console.log(remapped);
+// {
+//   …,
+//   sourcesContent: [
+//     'console.log("Hello world!")',
+//   ],
+// };
+```
+
+### Options
+
+#### excludeContent
+
+By default, `excludeContent` is `false`. Passing `{ excludeContent: true }` will exclude the
+`sourcesContent` field from the returned sourcemap. This is mainly useful when you want to reduce
+the size out the sourcemap.
+
+#### decodedMappings
+
+By default, `decodedMappings` is `false`. Passing `{ decodedMappings: true }` will leave the
+`mappings` field in a [decoded state](https://github.com/rich-harris/sourcemap-codec) instead of
+encoding into a VLQ string.
@@ -0,0 +1,197 @@
+import { decodedMappings, traceSegment, TraceMap } from '@jridgewell/trace-mapping';
+import { GenMapping, maybeAddSegment, setSourceContent, setIgnore, toDecodedMap, toEncodedMap } from '@jridgewell/gen-mapping';
+
+const SOURCELESS_MAPPING = /* #__PURE__ */ SegmentObject('', -1, -1, '', null, false);
+const EMPTY_SOURCES = [];
+function SegmentObject(source, line, column, name, content, ignore) {
+    return { source, line, column, name, content, ignore };
+}
+function Source(map, sources, source, content, ignore) {
+    return {
+        map,
+        sources,
+        source,
+        content,
+        ignore,
+    };
+}
+/**
+ * MapSource represents a single sourcemap, with the ability to trace mappings into its child nodes
+ * (which may themselves be SourceMapTrees).
+ */
+function MapSource(map, sources) {
+    return Source(map, sources, '', null, false);
+}
+/**
+ * A "leaf" node in the sourcemap tree, representing an original, unmodified source file. Recursive
+ * segment tracing ends at the `OriginalSource`.
+ */
+function OriginalSource(source, content, ignore) {
+    return Source(null, EMPTY_SOURCES, source, content, ignore);
+}
+/**
+ * traceMappings is only called on the root level SourceMapTree, and begins the process of
+ * resolving each mapping in terms of the original source files.
+ */
+function traceMappings(tree) {
+    // TODO: Eventually support sourceRoot, which has to be removed because the sources are already
+    // fully resolved. We'll need to make sources relative to the sourceRoot before adding them.
+    const gen = new GenMapping({ file: tree.map.file });
+    const { sources: rootSources, map } = tree;
+    const rootNames = map.names;
+    const rootMappings = decodedMappings(map);
+    for (let i = 0; i < rootMappings.length; i++) {
+        const segments = rootMappings[i];
+        for (let j = 0; j < segments.length; j++) {
+            const segment = segments[j];
+            const genCol = segment[0];
+            let traced = SOURCELESS_MAPPING;
+            // 1-length segments only move the current generated column, there's no source information
+            // to gather from it.
+            if (segment.length !== 1) {
+                const source = rootSources[segment[1]];
+                traced = originalPositionFor(source, segment[2], segment[3], segment.length === 5 ? rootNames[segment[4]] : '');
+                // If the trace is invalid, then the trace ran into a sourcemap that doesn't contain a
+                // respective segment into an original source.
+                if (traced == null)
+                    continue;
+            }
+            const { column, line, name, content, source, ignore } = traced;
+            maybeAddSegment(gen, i, genCol, source, line, column, name);
+            if (source && content != null)
+                setSourceContent(gen, source, content);
+            if (ignore)
+                setIgnore(gen, source, true);
+        }
+    }
+    return gen;
+}
+/**
+ * originalPositionFor is only called on children SourceMapTrees. It recurses down into its own
+ * child SourceMapTrees, until we find the original source map.
+ */
+function originalPositionFor(source, line, column, name) {
+    if (!source.map) {
+        return SegmentObject(source.source, line, column, name, source.content, source.ignore);
+    }
+    const segment = traceSegment(source.map, line, column);
+    // If we couldn't find a segment, then this doesn't exist in the sourcemap.
+    if (segment == null)
+        return null;
+    // 1-length segments only move the current generated column, there's no source information
+    // to gather from it.
+    if (segment.length === 1)
+        return SOURCELESS_MAPPING;
+    return originalPositionFor(source.sources[segment[1]], segment[2], segment[3], segment.length === 5 ? source.map.names[segment[4]] : name);
+}
+
+function asArray(value) {
+    if (Array.isArray(value))
+        return value;
+    return [value];
+}
+/**
+ * Recursively builds a tree structure out of sourcemap files, with each node
+ * being either an `OriginalSource` "leaf" or a `SourceMapTree` composed of
+ * `OriginalSource`s and `SourceMapTree`s.
+ *
+ * Every sourcemap is composed of a collection of source files and mappings
+ * into locations of those source files. When we generate a `SourceMapTree` for
+ * the sourcemap, we attempt to load each source file's own sourcemap. If it
+ * does not have an associated sourcemap, it is considered an original,
+ * unmodified source file.
+ */
+function buildSourceMapTree(input, loader) {
+    const maps = asArray(input).map((m) => new TraceMap(m, ''));
+    const map = maps.pop();
+    for (let i = 0; i < maps.length; i++) {
+        if (maps[i].sources.length > 1) {
+            throw new Error(`Transformation map ${i} must have exactly one source file.\n` +
+                'Did you specify these with the most recent transformation maps first?');
+        }
+    }
+    let tree = build(map, loader, '', 0);
+    for (let i = maps.length - 1; i >= 0; i--) {
+        tree = MapSource(maps[i], [tree]);
+    }
+    return tree;
+}
+function build(map, loader, importer, importerDepth) {
+    const { resolvedSources, sourcesContent, ignoreList } = map;
+    const depth = importerDepth + 1;
+    const children = resolvedSources.map((sourceFile, i) => {
+        // The loading context gives the loader more information about why this file is being loaded
+        // (eg, from which importer). It also allows the loader to override the location of the loaded
+        // sourcemap/original source, or to override the content in the sourcesContent field if it's
+        // an unmodified source file.
+        const ctx = {
+            importer,
+            depth,
+            source: sourceFile || '',
+            content: undefined,
+            ignore: undefined,
+        };
+        // Use the provided loader callback to retrieve the file's sourcemap.
+        // TODO: We should eventually support async loading of sourcemap files.
+        const sourceMap = loader(ctx.source, ctx);
+        const { source, content, ignore } = ctx;
+        // If there is a sourcemap, then we need to recurse into it to load its source files.
+        if (sourceMap)
+            return build(new TraceMap(sourceMap, source), loader, source, depth);
+        // Else, it's an unmodified source file.
+        // The contents of this unmodified source file can be overridden via the loader context,
+        // allowing it to be explicitly null or a string. If it remains undefined, we fall back to
+        // the importing sourcemap's `sourcesContent` field.
+        const sourceContent = content !== undefined ? content : sourcesContent ? sourcesContent[i] : null;
+        const ignored = ignore !== undefined ? ignore : ignoreList ? ignoreList.includes(i) : false;
+        return OriginalSource(source, sourceContent, ignored);
+    });
+    return MapSource(map, children);
+}
+
+/**
+ * A SourceMap v3 compatible sourcemap, which only includes fields that were
+ * provided to it.
+ */
+class SourceMap {
+    constructor(map, options) {
+        const out = options.decodedMappings ? toDecodedMap(map) : toEncodedMap(map);
+        this.version = out.version; // SourceMap spec says this should be first.
+        this.file = out.file;
+        this.mappings = out.mappings;
+        this.names = out.names;
+        this.ignoreList = out.ignoreList;
+        this.sourceRoot = out.sourceRoot;
+        this.sources = out.sources;
+        if (!options.excludeContent) {
+            this.sourcesContent = out.sourcesContent;
+        }
+    }
+    toString() {
+        return JSON.stringify(this);
+    }
+}
+
+/**
+ * Traces through all the mappings in the root sourcemap, through the sources
+ * (and their sourcemaps), all the way back to the original source location.
+ *
+ * `loader` will be called every time we encounter a source file. If it returns
+ * a sourcemap, we will recurse into that sourcemap to continue the trace. If
+ * it returns a falsey value, that source file is treated as an original,
+ * unmodified source file.
+ *
+ * Pass `excludeContent` to exclude any self-containing source file content
+ * from the output sourcemap.
+ *
+ * Pass `decodedMappings` to receive a SourceMap with decoded (instead of
+ * VLQ encoded) mappings.
+ */
+function remapping(input, loader, options) {
+    const opts = typeof options === 'object' ? options : { excludeContent: !!options, decodedMappings: false };
+    const tree = buildSourceMapTree(input, loader);
+    return new SourceMap(traceMappings(tree), opts);
+}
+
+export { remapping as default };
+//# sourceMappingURL=remapping.mjs.map
@@ -0,0 +1,202 @@
+(function (global, factory) {
+    typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('@jridgewell/trace-mapping'), require('@jridgewell/gen-mapping')) :
+    typeof define === 'function' && define.amd ? define(['@jridgewell/trace-mapping', '@jridgewell/gen-mapping'], factory) :
+    (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.remapping = factory(global.traceMapping, global.genMapping));
+})(this, (function (traceMapping, genMapping) { 'use strict';
+
+    const SOURCELESS_MAPPING = /* #__PURE__ */ SegmentObject('', -1, -1, '', null, false);
+    const EMPTY_SOURCES = [];
+    function SegmentObject(source, line, column, name, content, ignore) {
+        return { source, line, column, name, content, ignore };
+    }
+    function Source(map, sources, source, content, ignore) {
+        return {
+            map,
+            sources,
+            source,
+            content,
+            ignore,
+        };
+    }
+    /**
+     * MapSource represents a single sourcemap, with the ability to trace mappings into its child nodes
+     * (which may themselves be SourceMapTrees).
+     */
+    function MapSource(map, sources) {
+        return Source(map, sources, '', null, false);
+    }
+    /**
+     * A "leaf" node in the sourcemap tree, representing an original, unmodified source file. Recursive
+     * segment tracing ends at the `OriginalSource`.
+     */
+    function OriginalSource(source, content, ignore) {
+        return Source(null, EMPTY_SOURCES, source, content, ignore);
+    }
+    /**
+     * traceMappings is only called on the root level SourceMapTree, and begins the process of
+     * resolving each mapping in terms of the original source files.
+     */
+    function traceMappings(tree) {
+        // TODO: Eventually support sourceRoot, which has to be removed because the sources are already
+        // fully resolved. We'll need to make sources relative to the sourceRoot before adding them.
+        const gen = new genMapping.GenMapping({ file: tree.map.file });
+        const { sources: rootSources, map } = tree;
+        const rootNames = map.names;
+        const rootMappings = traceMapping.decodedMappings(map);
+        for (let i = 0; i < rootMappings.length; i++) {
+            const segments = rootMappings[i];
+            for (let j = 0; j < segments.length; j++) {
+                const segment = segments[j];
+                const genCol = segment[0];
+                let traced = SOURCELESS_MAPPING;
+                // 1-length segments only move the current generated column, there's no source information
+                // to gather from it.
+                if (segment.length !== 1) {
+                    const source = rootSources[segment[1]];
+                    traced = originalPositionFor(source, segment[2], segment[3], segment.length === 5 ? rootNames[segment[4]] : '');
+                    // If the trace is invalid, then the trace ran into a sourcemap that doesn't contain a
+                    // respective segment into an original source.
+                    if (traced == null)
+                        continue;
+                }
+                const { column, line, name, content, source, ignore } = traced;
+                genMapping.maybeAddSegment(gen, i, genCol, source, line, column, name);
+                if (source && content != null)
+                    genMapping.setSourceContent(gen, source, content);
+                if (ignore)
+                    genMapping.setIgnore(gen, source, true);
+            }
+        }
+        return gen;
+    }
+    /**
+     * originalPositionFor is only called on children SourceMapTrees. It recurses down into its own
+     * child SourceMapTrees, until we find the original source map.
+     */
+    function originalPositionFor(source, line, column, name) {
+        if (!source.map) {
+            return SegmentObject(source.source, line, column, name, source.content, source.ignore);
+        }
+        const segment = traceMapping.traceSegment(source.map, line, column);
+        // If we couldn't find a segment, then this doesn't exist in the sourcemap.
+        if (segment == null)
+            return null;
+        // 1-length segments only move the current generated column, there's no source information
+        // to gather from it.
+        if (segment.length === 1)
+            return SOURCELESS_MAPPING;
+        return originalPositionFor(source.sources[segment[1]], segment[2], segment[3], segment.length === 5 ? source.map.names[segment[4]] : name);
+    }
+
+    function asArray(value) {
+        if (Array.isArray(value))
+            return value;
+        return [value];
+    }
+    /**
+     * Recursively builds a tree structure out of sourcemap files, with each node
+     * being either an `OriginalSource` "leaf" or a `SourceMapTree` composed of
+     * `OriginalSource`s and `SourceMapTree`s.
+     *
+     * Every sourcemap is composed of a collection of source files and mappings
+     * into locations of those source files. When we generate a `SourceMapTree` for
+     * the sourcemap, we attempt to load each source file's own sourcemap. If it
+     * does not have an associated sourcemap, it is considered an original,
+     * unmodified source file.
+     */
+    function buildSourceMapTree(input, loader) {
+        const maps = asArray(input).map((m) => new traceMapping.TraceMap(m, ''));
+        const map = maps.pop();
+        for (let i = 0; i < maps.length; i++) {
+            if (maps[i].sources.length > 1) {
+                throw new Error(`Transformation map ${i} must have exactly one source file.\n` +
+                    'Did you specify these with the most recent transformation maps first?');
+            }
+        }
+        let tree = build(map, loader, '', 0);
+        for (let i = maps.length - 1; i >= 0; i--) {
+            tree = MapSource(maps[i], [tree]);
+        }
+        return tree;
+    }
+    function build(map, loader, importer, importerDepth) {
+        const { resolvedSources, sourcesContent, ignoreList } = map;
+        const depth = importerDepth + 1;
+        const children = resolvedSources.map((sourceFile, i) => {
+            // The loading context gives the loader more information about why this file is being loaded
+            // (eg, from which importer). It also allows the loader to override the location of the loaded
+            // sourcemap/original source, or to override the content in the sourcesContent field if it's
+            // an unmodified source file.
+            const ctx = {
+                importer,
+                depth,
+                source: sourceFile || '',
+                content: undefined,
+                ignore: undefined,
+            };
+            // Use the provided loader callback to retrieve the file's sourcemap.
+            // TODO: We should eventually support async loading of sourcemap files.
+            const sourceMap = loader(ctx.source, ctx);
+            const { source, content, ignore } = ctx;
+            // If there is a sourcemap, then we need to recurse into it to load its source files.
+            if (sourceMap)
+                return build(new traceMapping.TraceMap(sourceMap, source), loader, source, depth);
+            // Else, it's an unmodified source file.
+            // The contents of this unmodified source file can be overridden via the loader context,
+            // allowing it to be explicitly null or a string. If it remains undefined, we fall back to
+            // the importing sourcemap's `sourcesContent` field.
+            const sourceContent = content !== undefined ? content : sourcesContent ? sourcesContent[i] : null;
+            const ignored = ignore !== undefined ? ignore : ignoreList ? ignoreList.includes(i) : false;
+            return OriginalSource(source, sourceContent, ignored);
+        });
+        return MapSource(map, children);
+    }
+
+    /**
+     * A SourceMap v3 compatible sourcemap, which only includes fields that were
+     * provided to it.
+     */
+    class SourceMap {
+        constructor(map, options) {
+            const out = options.decodedMappings ? genMapping.toDecodedMap(map) : genMapping.toEncodedMap(map);
+            this.version = out.version; // SourceMap spec says this should be first.
+            this.file = out.file;
+            this.mappings = out.mappings;
+            this.names = out.names;
+            this.ignoreList = out.ignoreList;
+            this.sourceRoot = out.sourceRoot;
+            this.sources = out.sources;
+            if (!options.excludeContent) {
+                this.sourcesContent = out.sourcesContent;
+            }
+        }
+        toString() {
+            return JSON.stringify(this);
+        }
+    }
+
+    /**
+     * Traces through all the mappings in the root sourcemap, through the sources
+     * (and their sourcemaps), all the way back to the original source location.
+     *
+     * `loader` will be called every time we encounter a source file. If it returns
+     * a sourcemap, we will recurse into that sourcemap to continue the trace. If
+     * it returns a falsey value, that source file is treated as an original,
+     * unmodified source file.
+     *
+     * Pass `excludeContent` to exclude any self-containing source file content
+     * from the output sourcemap.
+     *
+     * Pass `decodedMappings` to receive a SourceMap with decoded (instead of
+     * VLQ encoded) mappings.
+     */
+    function remapping(input, loader, options) {
+        const opts = typeof options === 'object' ? options : { excludeContent: !!options, decodedMappings: false };
+        const tree = buildSourceMapTree(input, loader);
+        return new SourceMap(traceMappings(tree), opts);
+    }
+
+    return remapping;
+
+}));
+//# sourceMappingURL=remapping.umd.js.map
@@ -0,0 +1,14 @@
+import type { MapSource as MapSourceType } from './source-map-tree';
+import type { SourceMapInput, SourceMapLoader } from './types';
+/**
+ * Recursively builds a tree structure out of sourcemap files, with each node
+ * being either an `OriginalSource` "leaf" or a `SourceMapTree` composed of
+ * `OriginalSource`s and `SourceMapTree`s.
+ *
+ * Every sourcemap is composed of a collection of source files and mappings
+ * into locations of those source files. When we generate a `SourceMapTree` for
+ * the sourcemap, we attempt to load each source file's own sourcemap. If it
+ * does not have an associated sourcemap, it is considered an original,
+ * unmodified source file.
+ */
+export default function buildSourceMapTree(input: SourceMapInput | SourceMapInput[], loader: SourceMapLoader): MapSourceType;
@@ -0,0 +1,20 @@
+import SourceMap from './source-map';
+import type { SourceMapInput, SourceMapLoader, Options } from './types';
+export type { SourceMapSegment, EncodedSourceMap, EncodedSourceMap as RawSourceMap, DecodedSourceMap, SourceMapInput, SourceMapLoader, LoaderContext, Options, } from './types';
+export type { SourceMap };
+/**
+ * Traces through all the mappings in the root sourcemap, through the sources
+ * (and their sourcemaps), all the way back to the original source location.
+ *
+ * `loader` will be called every time we encounter a source file. If it returns
+ * a sourcemap, we will recurse into that sourcemap to continue the trace. If
+ * it returns a falsey value, that source file is treated as an original,
+ * unmodified source file.
+ *
+ * Pass `excludeContent` to exclude any self-containing source file content
+ * from the output sourcemap.
+ *
+ * Pass `decodedMappings` to receive a SourceMap with decoded (instead of
+ * VLQ encoded) mappings.
+ */
+export default function remapping(input: SourceMapInput | SourceMapInput[], loader: SourceMapLoader, options?: boolean | Options): SourceMap;
@@ -0,0 +1,45 @@
+import { GenMapping } from '@jridgewell/gen-mapping';
+import type { TraceMap } from '@jridgewell/trace-mapping';
+export declare type SourceMapSegmentObject = {
+    column: number;
+    line: number;
+    name: string;
+    source: string;
+    content: string | null;
+    ignore: boolean;
+};
+export declare type OriginalSource = {
+    map: null;
+    sources: Sources[];
+    source: string;
+    content: string | null;
+    ignore: boolean;
+};
+export declare type MapSource = {
+    map: TraceMap;
+    sources: Sources[];
+    source: string;
+    content: null;
+    ignore: false;
+};
+export declare type Sources = OriginalSource | MapSource;
+/**
+ * MapSource represents a single sourcemap, with the ability to trace mappings into its child nodes
+ * (which may themselves be SourceMapTrees).
+ */
+export declare function MapSource(map: TraceMap, sources: Sources[]): MapSource;
+/**
+ * A "leaf" node in the sourcemap tree, representing an original, unmodified source file. Recursive
+ * segment tracing ends at the `OriginalSource`.
+ */
+export declare function OriginalSource(source: string, content: string | null, ignore: boolean): OriginalSource;
+/**
+ * traceMappings is only called on the root level SourceMapTree, and begins the process of
+ * resolving each mapping in terms of the original source files.
+ */
+export declare function traceMappings(tree: MapSource): GenMapping;
+/**
+ * originalPositionFor is only called on children SourceMapTrees. It recurses down into its own
+ * child SourceMapTrees, until we find the original source map.
+ */
+export declare function originalPositionFor(source: Sources, line: number, column: number, name: string): SourceMapSegmentObject | null;
@@ -0,0 +1,18 @@
+import type { GenMapping } from '@jridgewell/gen-mapping';
+import type { DecodedSourceMap, EncodedSourceMap, Options } from './types';
+/**
+ * A SourceMap v3 compatible sourcemap, which only includes fields that were
+ * provided to it.
+ */
+export default class SourceMap {
+    file?: string | null;
+    mappings: EncodedSourceMap['mappings'] | DecodedSourceMap['mappings'];
+    sourceRoot?: string;
+    names: string[];
+    sources: (string | null)[];
+    sourcesContent?: (string | null)[];
+    version: 3;
+    ignoreList: number[] | undefined;
+    constructor(map: GenMapping, options: Options);
+    toString(): string;
+}
@@ -0,0 +1,15 @@
+import type { SourceMapInput } from '@jridgewell/trace-mapping';
+export type { SourceMapSegment, DecodedSourceMap, EncodedSourceMap, } from '@jridgewell/trace-mapping';
+export type { SourceMapInput };
+export declare type LoaderContext = {
+    readonly importer: string;
+    readonly depth: number;
+    source: string;
+    content: string | null | undefined;
+    ignore: boolean | undefined;
+};
+export declare type SourceMapLoader = (file: string, ctx: LoaderContext) => SourceMapInput | null | undefined | void;
+export declare type Options = {
+    excludeContent?: boolean;
+    decodedMappings?: boolean;
+};
@@ -0,0 +1,75 @@
+{
+  "name": "@ampproject/remapping",
+  "version": "2.3.0",
+  "description": "Remap sequential sourcemaps through transformations to point at the original source code",
+  "keywords": [
+    "source",
+    "map",
+    "remap"
+  ],
+  "main": "dist/remapping.umd.js",
+  "module": "dist/remapping.mjs",
+  "types": "dist/types/remapping.d.ts",
+  "exports": {
+    ".": [
+      {
+        "types": "./dist/types/remapping.d.ts",
+        "browser": "./dist/remapping.umd.js",
+        "require": "./dist/remapping.umd.js",
+        "import": "./dist/remapping.mjs"
+      },
+      "./dist/remapping.umd.js"
+    ],
+    "./package.json": "./package.json"
+  },
+  "files": [
+    "dist"
+  ],
+  "author": "Justin Ridgewell <jridgewell@google.com>",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/ampproject/remapping.git"
+  },
+  "license": "Apache-2.0",
+  "engines": {
+    "node": ">=6.0.0"
+  },
+  "scripts": {
+    "build": "run-s -n build:*",
+    "build:rollup": "rollup -c rollup.config.js",
+    "build:ts": "tsc --project tsconfig.build.json",
+    "lint": "run-s -n lint:*",
+    "lint:prettier": "npm run test:lint:prettier -- --write",
+    "lint:ts": "npm run test:lint:ts -- --fix",
+    "prebuild": "rm -rf dist",
+    "prepublishOnly": "npm run preversion",
+    "preversion": "run-s test build",
+    "test": "run-s -n test:lint test:only",
+    "test:debug": "node --inspect-brk node_modules/.bin/jest --runInBand",
+    "test:lint": "run-s -n test:lint:*",
+    "test:lint:prettier": "prettier --check '{src,test}/**/*.ts'",
+    "test:lint:ts": "eslint '{src,test}/**/*.ts'",
+    "test:only": "jest --coverage",
+    "test:watch": "jest --coverage --watch"
+  },
+  "devDependencies": {
+    "@rollup/plugin-typescript": "8.3.2",
+    "@types/jest": "27.4.1",
+    "@typescript-eslint/eslint-plugin": "5.20.0",
+    "@typescript-eslint/parser": "5.20.0",
+    "eslint": "8.14.0",
+    "eslint-config-prettier": "8.5.0",
+    "jest": "27.5.1",
+    "jest-config": "27.5.1",
+    "npm-run-all": "4.1.5",
+    "prettier": "2.6.2",
+    "rollup": "2.70.2",
+    "ts-jest": "27.1.4",
+    "tslib": "2.4.0",
+    "typescript": "4.6.3"
+  },
+  "dependencies": {
+    "@jridgewell/gen-mapping": "^0.3.5",
+    "@jridgewell/trace-mapping": "^0.3.24"
+  }
+}
@@ -0,0 +1,21 @@
+The MIT License
+
+Copyright (c) 2010-2026 Google LLC. https://angular.dev/license
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
@@ -0,0 +1,7 @@
+# Angular
+
+The sources for this package are in the main [Angular](https://github.com/angular/angular) repo. Please file issues and pull requests against that repo.
+
+Usage information and reference details can be found in [Angular documentation](https://angular.dev/overview).
+
+License: MIT
--- a/Show More
+++ b/Show More