Add more options to configure the linter.

pkg/polymer/lib/src/build/common.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /// Common methods used by transfomers.
 library polymer.src.build.common;
 
 import 'dart:async';
 
 import 'package:analyzer/src/generated/ast.dart';
@@ skipping 70 matching lines @@
   final bool directlyIncludeJS;
 
   /// Run transformers to create a releasable app. For example, include the
   /// minified versions of the polyfills rather than the debug versions.
   final bool releaseMode;
 
   /// This will make a physical element appear on the page showing build logs.
   /// It will only appear when ![releaseMode] even if this is true.
   final bool injectBuildLogsInOutput;
 
-  /// True to run liner on all html files before starting other phases.
+  /// Rules to determine whether to run liner on an html file.
   // TODO(jmesserly): instead of this flag, we should only run linter on
   // reachable (entry point+imported) html if deploying. See dartbug.com/17199.
-  final bool lint;
+  final LintOptions lint;
 
   /// This will automatically inject `platform.js` from the `web_components`
   /// package in all entry points, if it is not already included.
   final bool injectPlatformJs;
 
   TransformOptions({entryPoints, this.inlineStylesheets,
       this.contentSecurityPolicy: false, this.directlyIncludeJS: true,
-      this.releaseMode: true, this.lint: true,
+      this.releaseMode: true, this.lint: const LintOptions(),
       this.injectBuildLogsInOutput: false, this.injectPlatformJs: true})
       : entryPoints = entryPoints == null ? null
           : entryPoints.map(systemToAssetPath).toList();
 
   /// Whether an asset with [id] is an entry point HTML file.
   bool isHtmlEntryPoint(AssetId id) {
     if (id.extension != '.html') return false;
 
     // Note: [id.path] is a relative path from the root of a package.
     if (entryPoints == null) {
@@ skipping 20 matching lines @@
   }
 
   // Whether a stylesheet with [id] has an overriden inlining setting.
   bool stylesheetInliningIsOverridden(AssetId id) {
     return inlineStylesheets != null &&
         (inlineStylesheets.containsKey(id.toString())
           || inlineStylesheets.containsKey(id.path));
   }
 }
 
+class LintOptions {
+  /// Whether lint is enabled.
+  final bool enabled;
+
+  /// Patterns explicitly included/excluded from linting (if any).
+  final List<RegExp> patterns;
+
+  /// When [patterns] is not null, whether they denote inclusion or exclusion.
+  final bool isInclude;
+
+  const LintOptions()
+      : enabled = true, patterns = null, isInclude = true;
+  const LintOptions.disabled()
+      : enabled = false, patterns = null, isInclude = true;
+
+  LintOptions.include(List<String> patterns)
+      : enabled = true,
+        isInclude = true,
+        patterns = patterns.map((s) => new RegExp(s)).toList();
+
+  LintOptions.exclude(List<String> patterns)
+      : enabled = true,
+        isInclude = false,
+        patterns = patterns.map((s) => new RegExp(s)).toList();
+
+  bool shouldLint(String fileName) {
+    if (!enabled) return false;
+    if (patterns == null) return isInclude;
+    for (var pattern in patterns) {
+      if (pattern.hasMatch(fileName)) return isInclude;
+    }
+    return !isInclude;
+  }
+}
+
 /// Mixin for polymer transformers.
 abstract class PolymerTransformer {
   TransformOptions get options;
 
   Future<Document> readPrimaryAsHtml(Transform transform, BuildLogger logger) {
     var asset = transform.primaryInput;
     var id = asset.id;
     return asset.readAsString().then((content) {
       return _parseHtml(content, id.path, logger,
         checkDocType: options.isHtmlEntryPoint(id));
@@ skipping 81 matching lines @@
 /// Returns true if this is a valid custom element name. See:
 /// <http://w3c.github.io/webcomponents/spec/custom/#dfn-custom-element-type>
 bool isCustomTagName(String name) {
   if (name == null || !name.contains('-')) return false;
   return !invalidTagNames.containsKey(name);
 }
 
 /// Regex to split names in the 'attributes' attribute, which supports 'a b c',
 /// 'a,b,c', or even 'a b,c'. This is the same as in `lib/src/declaration.dart`.
 final ATTRIBUTES_REGEX = new RegExp(r'\s|,');