defarg: `(options = {})` where possible

lib/browser.js

@@ -6,9 +6,8 @@
     return eval(CoffeeScript.compile(code, options));
   };
   CoffeeScript.run = function(code, options) {
-    if (options != null) {
-      options.bare = true;
-    }
+    options != null ? options : options = {};
+    options.bare = true;
     return Function(CoffeeScript.compile(code, options))();
   };
   if (!(typeof window !== "undefined" && window !== null)) {

lib/coffee-script.js

@@ -18,7 +18,7 @@
   exports.VERSION = '0.9.4';
   exports.helpers = require('./helpers');
   exports.compile = compile = function(code, options) {
-    options || (options = {});
+    options != null ? options : options = {};
     try {
       return (parser.parse(lexer.tokenize(code))).compile(options);
     } catch (err) {

lib/lexer.js

@@ -438,7 +438,7 @@
     };
     Lexer.prototype.balancedString = function(str, delimited, options) {
       var _i, _len, close, i, levels, open, pair, slen;
-      options || (options = {});
+      options != null ? options : options = {};
       levels = [];
       i = 0;
       slen = str.length;
@@ -475,8 +475,9 @@
       return i && str.slice(0, i);
     };
     Lexer.prototype.interpolateString = function(str, options) {
-      var _len, _ref2, _ref3, _this, expr, heredoc, i, inner, interpolated, letter, nested, pi, regex, tag, tokens, value;
-      _ref2 = options || (options = {}), heredoc = _ref2.heredoc, regex = _ref2.regex;
+      var _len, _ref2, _this, expr, heredoc, i, inner, interpolated, letter, nested, pi, regex, tag, tokens, value;
+      options != null ? options : options = {};
+      heredoc = options.heredoc, regex = options.regex;
       tokens = [];
       pi = 0;
       i = -1;
@@ -523,7 +524,7 @@
         this.token('(', '(');
       }
       for (i = 0, _len = tokens.length; i < _len; i++) {
-        _ref3 = tokens[i], tag = _ref3[0], value = _ref3[1];
+        _ref2 = tokens[i], tag = _ref2[0], value = _ref2[1];
         if (i) {
           this.token('+', '+');
         }

src/browser.coffee

@@ -8,8 +8,8 @@ CoffeeScript.eval = (code, options) ->
   eval CoffeeScript.compile code, options
 
 # Running code does not provide access to this scope.
-CoffeeScript.run = (code, options) ->
-  options?.bare = on
+CoffeeScript.run = (code, options = {}) ->
+  options.bare = on
   Function(CoffeeScript.compile code, options)()
 
 # If we're not in a browser environment, we're finished with the public API.

src/coffee-script.coffee

@@ -27,8 +27,7 @@ exports.helpers = require './helpers'
 
 # Compile a string of CoffeeScript code to JavaScript, using the Coffee/Jison
 # compiler.
-exports.compile = compile = (code, options) ->
-  options or= {}
+exports.compile = compile = (code, options = {}) ->
   try
     (parser.parse lexer.tokenize code).compile options
   catch err

src/lexer.coffee

@@ -386,8 +386,7 @@ exports.Lexer = class Lexer
   # a series of delimiters, all of which must be nested correctly within the
   # contents of the string. This method allows us to have strings within
   # interpolations within strings, ad infinitum.
-  balancedString: (str, delimited, options) ->
-    options or= {}
+  balancedString: (str, delimited, options = {}) ->
     levels = []
     i = 0
     slen = str.length
@@ -420,8 +419,8 @@ exports.Lexer = class Lexer
   # If it encounters an interpolation, this method will recursively create a
   # new Lexer, tokenize the interpolated contents, and merge them into the
   # token stream.
-  interpolateString: (str, options) ->
-    {heredoc, regex} = options or= {}
+  interpolateString: (str, options = {}) ->
+    {heredoc, regex} = options
     tokens = []
     pi = 0
     i  = -1