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## Description This improves defaults generation with logging, stats, and token validation. This PR includes these changes: * introduce `TokenLogger`, with a verbose mode * prints versions and tokens usage to the console * outputs `generated/used_tokens.csv`, a list of all used tokens, for use by Google * find token files in `data` automatically * hide tokens `Map` * tokens can be obtained using existing resolvers (e.g. `color`, `shape`), or directly through `getToken`. * tokens can be checked for existence with `tokenAvailable` * remove version from template, since the tokens are aggregated and multiple versions are possible (as is the case currently), it does not make sense to attribute a single version * improve documentation ## Related Issues - Fixes https://github.com/flutter/flutter/issues/122602 ## Tests - Added tests for `TokenLogger` - Regenerated tokens, no-op except version removal ## Future work A future PR should replace or remove the following invalid tokens usages <img width="578" alt="image" src="https://github.com/flutter/flutter/assets/6655696/b6f9e5a7-523f-4f72-94f9-1b0bf4cc9f00">
26 lines
1.2 KiB
Dart
26 lines
1.2 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'template.dart';
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class SurfaceTintTemplate extends TokenTemplate {
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const SurfaceTintTemplate(super.blockName, super.fileName, super.tokens);
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@override
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String generate() => '''
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// Surface tint opacities based on elevations according to the
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// Material Design 3 specification:
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// https://m3.material.io/styles/color/the-color-system/color-roles
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// Ordered by increasing elevation.
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const List<_ElevationOpacity> _surfaceTintElevationOpacities = <_ElevationOpacity>[
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_ElevationOpacity(${getToken('md.sys.elevation.level0')}, 0.0), // Elevation level 0
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_ElevationOpacity(${getToken('md.sys.elevation.level1')}, 0.05), // Elevation level 1
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_ElevationOpacity(${getToken('md.sys.elevation.level2')}, 0.08), // Elevation level 2
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_ElevationOpacity(${getToken('md.sys.elevation.level3')}, 0.11), // Elevation level 3
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_ElevationOpacity(${getToken('md.sys.elevation.level4')}, 0.12), // Elevation level 4
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_ElevationOpacity(${getToken('md.sys.elevation.level5')}, 0.14), // Elevation level 5
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];
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''';
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}
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