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Add backwards compatibility for older readline

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Check the readline.createInterface for arity. If it is 3,
assume the newer interface requiring separate stdin and stdout.
Otherwise, use the older calling style.
This commit is contained in:
Isaac Wolkerstorfer
2011-01-22 12:30:22 +01:00
parent 78b52f5716
commit 496816acff
2 changed files with 14 additions and 2 deletions
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9
lib/repl.js
View File

@@ -78,7 +78,14 @@
return _results;
};
process.on('uncaughtException', error);
repl = readline.createInterface(stdin, stdout, autocomplete);
if (readline.createInterface.length === 3) {
repl = readline.createInterface(stdin, stdout, autocomplete);
} else {
repl = readline.createInterface(stdin, autocomplete);
stdin.on('data', function(buffer) {
return repl.write(buffer);
});
}
repl.setPrompt('coffee> ');
repl.on('close', function() {
return stdin.destroy();

7
src/repl.coffee
View File

@@ -77,7 +77,12 @@ getPropertyNames = (obj) ->
process.on 'uncaughtException', error
# Create the REPL by listening to **stdin**.
repl = readline.createInterface stdin, stdout, autocomplete
if readline.createInterface.length == 3
repl = readline.createInterface stdin, stdout, autocomplete
else
repl = readline.createInterface stdin, autocomplete
stdin.on 'data', (buffer) -> repl.write buffer
repl.setPrompt 'coffee> '
repl.on 'close', -> stdin.destroy()
repl.on 'line', run