Re-write the module transpiler with support for bindings.

This commit removes support for AMD, YUI, and globals formats. These formats can be implemented as plugins. AMD should perhaps be included in core, but we'll see.

.gitignore

@@ -1,6 +1,2 @@
-/node_modules/
-tmp/
-test/index.html
-test/.generated
-bin/
-dist/
+node_modules/
+test/results

LICENSE

@@ -1,4 +1,4 @@
-Copyright 2013 Square Inc.
+Copyright 2014 Square Inc.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

bin/compile-modules

@@ -0,0 +1,84 @@
+#!/usr/bin/env node
+
+var Path = require('path');
+var exe = Path.basename(process.argv[1]);
+var getopt = require('posix-getopt');
+var parser = new getopt.BasicParser('h(help)v(version)', process.argv);
+var option;
+
+function usage(puts) {
+  puts(exe + ' [--help] [--version] <command> [<args>]');
+  puts();
+  puts('Commands');
+  puts();
+  puts('  convert  Converts modules from `import`/`export` to an ES5 equivalent.');
+  puts('  help     Display help for a given command.');
+}
+
+function makeWriteLine(stream) {
+  return function(line) {
+    if (!line || line[line.length - 1] !== '\n') {
+      line = (line || '') + '\n';
+    }
+    stream.write(line);
+  };
+}
+
+var puts = makeWriteLine(process.stdout);
+var eputs = makeWriteLine(process.stderr);
+
+while ((option = parser.getopt()) !== undefined) {
+  if (option.error) {
+    usage();
+    process.exit(1);
+  }
+
+  switch (option.option) {
+    case 'h':
+      usage(puts);
+      process.exit(0);
+      break;
+
+    case 'v':
+      puts(exe + ' v' + require(Path.join(__dirname, '../package.json')).version);
+      process.exit(0);
+      break;
+  }
+}
+
+var args = process.argv;
+var offset = parser.optind();
+
+var commandName = args[offset];
+if (commandName === 'help') {
+  commandName = args[offset + 1];
+  args = ['--help'].concat(args.slice(offset + 2 /* skip 'help' and command name */));
+} else {
+  args = args.slice(offset + 1);
+}
+
+if (typeof commandName !== 'string') {
+  usage(puts);
+  process.exit(1);
+}
+
+var command;
+
+try {
+  command = require(Path.join('../lib/cli', commandName));
+} catch (ex) {
+  usage(eputs);
+  process.exit(1);
+}
+
+try {
+  var exitCode = command.run(args, puts, eputs);
+  process.exit(exitCode);
+} catch (ex) {
+  if (ex.constructor.name === 'AssertionError') {
+    eputs('error: ' + exe + ' ' + commandName + ' -- ' + ex.message);
+    process.exit(1);
+  } else {
+    throw ex;
+  }
+}