A particular REPL test is broken in Node 4.8.2 because of a regression that was fixed in Node 5.11.0; just disable the test for Node < 6. Fixes #4502. (#4510)

Author: GeoffreyBooth

lib/coffee-script/repl.js

@@ -145,7 +145,7 @@ getCommandId = (repl, commandName) ->
 
 module.exports =
   start: (opts = {}) ->
-    [major, minor, build] = process.versions.node.split('.').map (n) -> parseInt(n)
+    [major, minor, build] = process.versions.node.split('.').map (n) -> parseInt(n, 10)
 
     if major is 0 and minor < 8
       console.warn "Node 0.8.0+ required for CoffeeScript REPL"

src/repl.coffee

@@ -67,6 +67,11 @@ testRepl "variables are saved", (input, output) ->
   eq "'foobar'", output.lastWrite()
 
 testRepl "empty command evaluates to undefined", (input, output) ->
+  # A regression fixed in Node 5.11.0 broke the handling of pressing enter in
+  # the Node REPL; see https://github.com/nodejs/node/pull/6090 and
+  # https://github.com/jashkenas/coffeescript/issues/4502.
+  # Just skip this test for versions of Node < 6.
+  return if parseInt(process.versions.node.split('.')[0], 10) < 6
   input.emitLine ''
   eq 'undefined', output.lastWrite()