Support generating inlined source maps and wrapping module contents within a JavaScript eval block …

pkg/dev_compiler/lib/src/compiler/command.dart

 // Copyright (c) 2016, 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.
 
 import 'dart:io';
 import 'package:analyzer/src/generated/source.dart' show Source;
 import 'package:analyzer/src/summary/package_bundle_reader.dart'
     show InSummarySource;
 import 'package:args/args.dart' show ArgParser, ArgResults;
 import 'package:args/command_runner.dart' show UsageException;
@@ skipping 73 matching lines @@
 void _compile(ArgResults argResults, void printFn(Object obj)) {
   var compiler =
       new ModuleCompiler(new AnalyzerOptions.fromArguments(argResults));
   var compilerOpts = new CompilerOptions.fromArguments(argResults);
   if (argResults['help']) {
     printFn(_usageMessage);
     return;
   }
   var outPaths = argResults['out'] as List<String>;
   var moduleFormats = parseModuleFormatOption(argResults);
+  bool singleOutFile = argResults['single-out-file'];
+  if (singleOutFile) {
+    for (var format in moduleFormats) {
+      if (format != ModuleFormat.amd && format != ModuleFormat.legacy) {
+        _usageException('Format $format cannot be combined with '
+            'single-out-file. Only amd and legacy modes are supported.');
+      }
+    }
+  }
 
   if (outPaths.isEmpty) {
     _usageException('Please include the output file location. For example:\n'
         '    -o PATH/TO/OUTPUT_FILE.js');
   } else if (outPaths.length != moduleFormats.length) {
     _usageException('Number of output files (${outPaths.length}) must match '
         'number of module formats (${moduleFormats.length}).');
   }
 
   // TODO(jmesserly): for now the first one is special. This will go away once
@@ skipping 26 matching lines @@
       (source) => _moduleForLibrary(moduleRoot, source, compilerOpts));
 
   var module = compiler.compile(unit, compilerOpts);
   module.errors.forEach(printFn);
 
   if (!module.isValid) throw new CompileErrorException();
 
   // Write JS file, as well as source map and summary (if requested).
   for (var i = 0; i < outPaths.length; i++) {
     var outPath = outPaths[i];
-    module.writeCodeSync(moduleFormats[i], outPath);
+    module.writeCodeSync(moduleFormats[i], singleOutFile, outPath);
     if (module.summaryBytes != null) {
       var summaryPath =
           path.withoutExtension(outPath) + '.${compilerOpts.summaryExtension}';
       new File(summaryPath).writeAsBytesSync(module.summaryBytes);
     }
   }
 }
 
 String _moduleForLibrary(
     String moduleRoot, Source source, CompilerOptions compilerOpts) {
@@ skipping 22 matching lines @@
     '\n\n${_argParser.usage}';
 
 void _usageException(String message) {
   throw new UsageException(message, _usageMessage);
 }
 
 /// Thrown when the input source code has errors.
 class CompileErrorException implements Exception {
   toString() => '\nPlease fix all errors before compiling (warnings are okay).';
 }