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[VSoRC/.git] / node_modules / wscat / node_modules / read / node_modules / mute-stream / mute.js

diff --git a/node_modules/wscat/node_modules/read/node_modules/mute-stream/mute.js b/node_modules/wscat/node_modules/read/node_modules/mute-stream/mute.js
new file mode 100644 (file)
index 0000000..a24fc09
--- /dev/null
+++ b/node_modules/wscat/node_modules/read/node_modules/mute-stream/mute.js
@@ -0,0 +1,145 @@
+var Stream = require('stream')
+
+module.exports = MuteStream
+
+// var out = new MuteStream(process.stdout)
+// argument auto-pipes
+function MuteStream (opts) {
+  Stream.apply(this)
+  opts = opts || {}
+  this.writable = this.readable = true
+  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)
+
+Object.defineProperty(MuteStream.prototype, 'constructor', {
+  value: MuteStream,
+  enumerable: false
+})
+
+MuteStream.prototype.mute = function () {
+  this.muted = true
+}
+
+MuteStream.prototype.unmute = function () {
+  this.muted = false
+}
+
+Object.defineProperty(MuteStream.prototype, '_onpipe', {
+  value: onPipe,
+  enumerable: false,
+  writable: true,
+  configurable: true
+})
+
+function onPipe (src) {
+  this._src = src
+}
+
+Object.defineProperty(MuteStream.prototype, 'isTTY', {
+  get: getIsTTY,
+  set: setIsTTY,
+  enumerable: true,
+  configurable: true
+})
+
+function getIsTTY () {
+  return( (this._dest) ? this._dest.isTTY
+        : (this._src) ? this._src.isTTY
+        : false
+        )
+}
+
+// basically just get replace the getter/setter with a regular value
+function setIsTTY (isTTY) {
+  Object.defineProperty(this, 'isTTY', {
+    value: isTTY,
+    enumerable: true,
+    writable: true,
+    configurable: true
+  })
+}
+
+Object.defineProperty(MuteStream.prototype, 'rows', {
+  get: function () {
+    return( this._dest ? this._dest.rows
+          : this._src ? this._src.rows
+          : undefined )
+  }, enumerable: true, configurable: true })
+
+Object.defineProperty(MuteStream.prototype, 'columns', {
+  get: function () {
+    return( this._dest ? this._dest.columns
+          : this._src ? this._src.columns
+          : undefined )
+  }, enumerable: true, configurable: true })
+
+
+MuteStream.prototype.pipe = function (dest, options) {
+  this._dest = dest
+  return Stream.prototype.pipe.call(this, dest, options)
+}
+
+MuteStream.prototype.pause = function () {
+  if (this._src) return this._src.pause()
+}
+
+MuteStream.prototype.resume = function () {
+  if (this._src) return this._src.resume()
+}
+
+MuteStream.prototype.write = function (c) {
+  if (this.muted) {
+    if (!this.replace) return true
+    if (c.match(/^\u001b/)) {
+      if(c.indexOf(this._prompt) === 0) {
+        c = c.substr(this._prompt.length);
+        c = c.replace(/./g, this.replace);
+        c = this._prompt + c;
+      }
+      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)
+}
+
+MuteStream.prototype.end = function (c) {
+  if (this.muted) {
+    if (c && this.replace) {
+      c = c.toString().replace(/./g, this.replace)
+    } else {
+      c = null
+    }
+  }
+  if (c) this.emit('data', c)
+  this.emit('end')
+}
+
+function proxy (fn) { return function () {
+  var d = this._dest
+  var s = this._src
+  if (d && d[fn]) d[fn].apply(d, arguments)
+  if (s && s[fn]) s[fn].apply(s, arguments)
+}}
+
+MuteStream.prototype.destroy = proxy('destroy')
+MuteStream.prototype.destroySoon = proxy('destroySoon')
+MuteStream.prototype.close = proxy('close')