[Pkg-javascript-commits] [node-mute-stream] 03/05: Imported Upstream version 0.0.4

[Jérémy Lal]

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kapouer pushed a commit to branch master
in repository node-mute-stream.

commit 9df7824c6ec236edf7806903da848f6568e7aeec
Author: Jérémy Lal <kapouer at melix.org>
Date:   Tue Jul 29 02:28:39 2014 +0200

    Imported Upstream version 0.0.4
---
 README.md     |  6 ++++++
 mute.js       | 19 ++++++++++++++++++-
 package.json  |  2 +-
 test/basic.js |  1 +
 4 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 91b45c4..8ab1238 100644
--- a/README.md
+++ b/README.md
@@ -42,6 +42,12 @@ All options are optional.
   specified string when muted.  (So you can show `****` instead of the
   password, for example.)
 
+* `prompt` If you are using a replacement char, and also using a
+  prompt with a readline stream (as for a `Password: *****` input),
+  then specify what the prompt is so that backspace will work
+  properly.  Otherwise, pressing backspace will overwrite the prompt
+  with the replacement character, which is weird.
+
 ## ms.mute()
 
 Set `muted` to `true`.  Turns `.write()` into a no-op.
diff --git a/mute.js b/mute.js
index 7746618..42eac31 100644
--- a/mute.js
+++ b/mute.js
@@ -11,6 +11,12 @@ function MuteStream (opts) {
   this.muted = false
   this.on('pipe', this._onpipe)
   this.replace = opts.replace
+
+  // For readline-type situations
+  // This much at the start of a line being redrawn after a ctrl char
+  // is seen (such as backspace) won't be redrawn as the replacement
+  this._prompt = opts.prompt || null
+  this._hadControl = false
 }
 
 MuteStream.prototype = Object.create(Stream.prototype)
@@ -94,7 +100,18 @@ MuteStream.prototype.resume = function () {
 MuteStream.prototype.write = function (c) {
   if (this.muted) {
     if (!this.replace) return true
-    c = c.toString().replace(/./g, this.replace)
+    if (c.match(/^\u001b/)) {
+      this._hadControl = true
+      return this.emit('data', c)
+    } else {
+      if (this._prompt && this._hadControl &&
+          c.indexOf(this._prompt) === 0) {
+        this._hadControl = false
+        this.emit('data', this._prompt)
+        c = c.substr(this._prompt.length)
+      }
+      c = c.toString().replace(/./g, this.replace)
+    }
   }
   this.emit('data', c)
 }
diff --git a/package.json b/package.json
index 8685517..4cd299c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mute-stream",
-  "version": "0.0.3",
+  "version": "0.0.4",
   "main": "mute.js",
   "directories": {
     "test": "test"
diff --git a/test/basic.js b/test/basic.js
index 2d1f6ae..41f9e10 100644
--- a/test/basic.js
+++ b/test/basic.js
@@ -19,6 +19,7 @@ PassThrough.prototype = Object.create(Stream.prototype, {
   write: {
     value: function (c) {
       this.emit('data', c)
+      return true
     }
   },
   end: {

-- 
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