Migration towards TypeScript

This is going to be 1.1.0. Remaining TODOs:
* "npm run tsc" should generate declarations
* Add (restrictive) TSLint configuration
* Add support for TSLint in "npm test"

src/batch.ts

@@ -0,0 +1,95 @@
+'use strict';
+export = main;
+import commander = require('commander');
+import fs = require('fs');
+import path = require('path');
+import series = require('./series');
+import typings = require('./typings');
+
+/**
+ * Streams the batch of series to disk.
+ */
+function main(args: string[], done: (err?: Error) => void) {
+  var config = parse(args);
+  var batchPath = path.join(config.output || process.cwd(), 'CrunchyRoll.txt');
+  tasks(config, batchPath, (err, tasks) => {
+    if (err) return done(err);
+    var i = 0;
+    (function next() {
+      if (i >= tasks.length) return done();
+      series(tasks[i].config, tasks[i].address, err => {
+        if (err) return done(err);
+        i += 1;
+        next();
+      });
+    })();
+  });
+}
+
+/**
+ * Splits the value into arguments.
+ */
+function split(value: string): string[] {
+  var inQuote = false;
+  var i: number;
+  var pieces: string[] = [];
+  var previous = 0;
+  for (i = 0; i < value.length; i += 1) {
+    if (value.charAt(i) === '"') inQuote = !inQuote;
+    if (!inQuote && value.charAt(i) === ' ') {
+      pieces.push(value.substring(previous, i).match(/^"?(.+?)"?$/)[1]);
+      previous = i + 1;
+    }
+  }
+  pieces.push(value.substring(previous, i).match(/^"?(.+?)"?$/)[1]);
+  return pieces;
+}
+
+/**
+ * Parses the configuration or reads the batch-mode file for tasks.
+ */
+function tasks(config: typings.IConfigLine, batchPath: string, done: (err: Error, tasks?: typings.IConfigTask[]) => void) {
+  if (config.args.length) {
+    return done(null, config.args.map(address => {
+      return {address: address, config: config};
+    }));
+  }
+  fs.exists(batchPath, exists => {
+    if (!exists) return done(null, []);
+    fs.readFile(batchPath, 'utf8', (err, data) => {
+      if (err) return done(err);
+      var map: typings.IConfigTask[] = [];
+      data.split(/\r?\n/).forEach(line => {
+        if (/^(\/\/|#)/.test(line)) return;
+        var lineConfig = parse(process.argv.concat(split(line)));
+        lineConfig.args.forEach(address => {
+          if (!address) return;
+          map.push({address: address, config: lineConfig});
+        });
+      });
+      done(null, map);
+    });
+  });
+}
+
+/**
+ * Parses the arguments and returns a configuration.
+ */
+function parse(args: string[]): typings.IConfigLine {
+  return new commander.Command().version(require('../package').version)
+    // Authentication
+    .option('-p, --pass <s>', 'The password.')
+    .option('-u, --user <s>', 'The e-mail address or username.')
+    // Disables
+    .option('-c, --cache', 'Disables the cache.')
+    .option('-m, --merge', 'Disables merging subtitles and videos.')
+    // Filters
+    .option('-e, --episode <i>', 'The episode filter.')
+    .option('-v, --volume <i>', 'The volume filter.')
+    // Settings
+    .option('-f, --format <s>', 'The subtitle format. (Default: ass)')
+    .option('-o, --output <s>', 'The output path.')
+    .option('-s, --series <s>', 'The series override.')
+    .option('-t, --tag <s>', 'The subgroup. (Default: CrunchyRoll)')
+    .parse(args);
+}