Backporting the REPL fix for Node 0.3.7 and Coffee 1.0-stable

lib/repl.js

@@ -1,11 +1,12 @@
 (function() {
-  var CoffeeScript, error, helpers, readline, repl, run, stdio;
+  var CoffeeScript, error, helpers, readline, repl, run, stdin, stdout;
   CoffeeScript = require('./coffee-script');
   helpers = require('./helpers');
   readline = require('readline');
-  stdio = process.openStdin();
+  stdin = process.openStdin();
+  stdout = process.stdout;
   error = function(err) {
-    return stdio.write((err.stack || err.toString()) + '\n\n');
+    return stdout.write((err.stack || err.toString()) + '\n\n');
   };
   helpers.extend(global, {
     quit: function() {
@@ -29,13 +30,17 @@
     return repl.prompt();
   };
   process.on('uncaughtException', error);
-  repl = readline.createInterface(stdio);
+  if (readline.createInterface.length < 3) {
+    repl = readline.createInterface(stdin);
+    stdin.on('data', function(buffer) {
+      return repl.write(buffer);
+    });
+  } else {
+    repl = readline.createInterface(stdin, stdout);
+  }
   repl.setPrompt('coffee> ');
-  stdio.on('data', function(buffer) {
-    return repl.write(buffer);
-  });
   repl.on('close', function() {
-    return stdio.destroy();
+    return stdin.destroy();
   });
   repl.on('line', run);
   repl.prompt();

src/repl.coffee

@@ -9,12 +9,13 @@ CoffeeScript = require './coffee-script'
 helpers      = require './helpers'
 readline     = require 'readline'
 
-# Start by opening up **stdio**.
-stdio = process.openStdin()
+# Start by opening up `stdin` and `stdout`.
+stdin  = process.openStdin()
+stdout = process.stdout
 
 # Log an error.
 error = (err) ->
-  stdio.write (err.stack or err.toString()) + '\n\n'
+  stdout.write (err.stack or err.toString()) + '\n\n'
 
 # Quick alias for quitting the REPL.
 helpers.extend global, quit: -> process.exit(0)
@@ -34,9 +35,13 @@ run = (buffer) ->
 process.on 'uncaughtException', error
 
 # Create the REPL by listening to **stdin**.
-repl = readline.createInterface stdio
+if readline.createInterface.length < 3
+  repl = readline.createInterface stdin
+  stdin.on 'data', (buffer) -> repl.write buffer
+else
+  repl = readline.createInterface stdin, stdout
+
 repl.setPrompt 'coffee> '
-stdio.on 'data',   (buffer) -> repl.write buffer
-repl.on  'close',  -> stdio.destroy()
+repl.on  'close',  -> stdin.destroy()
 repl.on  'line',   run
 repl.prompt()