diff options
| -rw-r--r-- | doc/api/repl.markdown | 5 | ||||
| -rw-r--r-- | lib/_debugger.js | 2 | ||||
| -rw-r--r-- | lib/repl.js | 4 |
3 files changed, 7 insertions, 4 deletions
diff --git a/doc/api/repl.markdown b/doc/api/repl.markdown index 1b8ce246a..9e4246660 100644 --- a/doc/api/repl.markdown +++ b/doc/api/repl.markdown @@ -27,7 +27,7 @@ For example, you could add this to your bashrc file: alias node="env NODE_NO_READLINE=1 rlwrap node" -### repl.start(prompt='> ', stream=process.stdin, eval=eval, useGlobal=false) +### repl.start(prompt='> ', stream=process.stdin, eval=eval, useGlobal=false, ignoreUndefined=false) Starts a REPL with `prompt` as the prompt and `stream` for all I/O. `prompt` is optional and defaults to `> `. `stream` is optional and defaults to @@ -36,6 +36,9 @@ is optional and defaults to `> `. `stream` is optional and defaults to If `useGlobal` is set to true, then the repl will use the global object, instead of running scripts in a separate context. +If `ignoreUndefined` is set to true, then the repl will not output return value +of command if it's `undefined`. + You can use your own `eval` function if it has following signature: function eval(cmd, callback) { diff --git a/lib/_debugger.js b/lib/_debugger.js index 1269f56a2..a6bc213e0 100644 --- a/lib/_debugger.js +++ b/lib/_debugger.js @@ -724,7 +724,7 @@ function Interface(stdin, stdout, args) { // Two eval modes are available: controlEval and debugEval // But controlEval is used by default this.repl = new repl.REPLServer('debug> ', streams, - this.controlEval.bind(this)); + this.controlEval.bind(this), false, true); // Kill child process when repl closed or main process is dead this.repl.rli.addListener('close', function() { diff --git a/lib/repl.js b/lib/repl.js index 6f58f7647..bbe658a8a 100644 --- a/lib/repl.js +++ b/lib/repl.js @@ -68,7 +68,7 @@ module.paths = require('module')._nodeModulePaths(module.filename); exports.writer = util.inspect; -function REPLServer(prompt, stream, eval, useGlobal) { +function REPLServer(prompt, stream, eval, useGlobal, ignoreUndefined) { var self = this; self.useGlobal = useGlobal; @@ -224,7 +224,7 @@ function REPLServer(prompt, stream, eval, useGlobal) { self.bufferedCommand = ''; // If we got any output - print it (if no error) - if (!e) { + if (!e && (!ignoreUndefined || ret !== undefined)) { self.context._ = ret; self.outputStream.write(exports.writer(ret) + '\n'); } |