37 lines
1.0 KiB
Dart
37 lines
1.0 KiB
Dart
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library angular2.transform.common.options;
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import 'package:barback/barback.dart';
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import 'options.dart';
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TransformerOptions parseBarbackSettings(BarbackSettings settings) {
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var config = settings.configuration;
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var entryPoints = _readFileList(config, ENTRY_POINT_PARAM);
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var reflectionEntryPoints =
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_readFileList(config, REFLECTION_ENTRY_POINT_PARAM);
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return new TransformerOptions(entryPoints,
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reflectionEntryPoints: reflectionEntryPoints,
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modeName: settings.mode.name);
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}
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/// Cribbed from the polymer project.
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/// [https://github.com/dart-lang/polymer-dart]
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List<String> _readFileList(Map config, String paramName) {
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var value = config[paramName];
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if (value == null) return null;
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var files = [];
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bool error = false;
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if (value is List) {
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files = value;
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error = value.any((e) => e is! String);
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} else if (value is String) {
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files = [value];
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error = false;
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} else {
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error = true;
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}
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if (error) {
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print('Invalid value for "$paramName" in the Angular 2 transformer.');
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}
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return files;
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}
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