1 files changed, 106 insertions, 0 deletions
diff --git a/tools/node_modules/eslint/node_modules/inquirer/lib/ui/bottom-bar.js b/tools/node_modules/eslint/node_modules/inquirer/lib/ui/bottom-bar.js
new file mode 100644
index 0000000000..90f9b60d98
--- /dev/null
+++ b/tools/node_modules/eslint/node_modules/inquirer/lib/ui/bottom-bar.js
@@ -0,0 +1,106 @@
+/**
+ * Sticky bottom bar user interface
+ */
+
+var util = require('util');
+var through = require('through');
+var Base = require('./baseUI');
+var rlUtils = require('../utils/readline');
+var _ = require('lodash');
+
+/**
+ * Module exports
+ */
+
+module.exports = Prompt;
+
+/**
+ * Constructor
+ */
+
+function Prompt(opt) {
+  opt || (opt = {});
+
+  Base.apply(this, arguments);
+
+  this.log = through(this.writeLog.bind(this));
+  this.bottomBar = opt.bottomBar || '';
+  this.render();
+}
+util.inherits(Prompt, Base);
+
+/**
+ * Render the prompt to screen
+ * @return {Prompt} self
+ */
+
+Prompt.prototype.render = function () {
+  this.write(this.bottomBar);
+  return this;
+};
+
+Prompt.prototype.clean = function () {
+  rlUtils.clearLine(this.rl, this.bottomBar.split('\n').length);
+  return this;
+};
+
+/**
+ * Update the bottom bar content and rerender
+ * @param  {String} bottomBar Bottom bar content
+ * @return {Prompt}           self
+ */
+
+Prompt.prototype.updateBottomBar = function (bottomBar) {
+  rlUtils.clearLine(this.rl, 1);
+  this.rl.output.unmute();
+  this.clean();
+  this.bottomBar = bottomBar;
+  this.render();
+  this.rl.output.mute();
+  return this;
+};
+
+/**
+ * Write out log data
+ * @param {String} data - The log data to be output
+ * @return {Prompt} self
+ */
+
+Prompt.prototype.writeLog = function (data) {
+  this.rl.output.unmute();
+  this.clean();
+  this.rl.output.write(this.enforceLF(data.toString()));
+  this.render();
+  this.rl.output.mute();
+  return this;
+};
+
+/**
+ * Make sure line end on a line feed
+ * @param  {String} str Input string
+ * @return {String}     The input string with a final line feed
+ */
+
+Prompt.prototype.enforceLF = function (str) {
+  return str.match(/[\r\n]$/) ? str : str + '\n';
+};
+
+/**
+ * Helper for writing message in Prompt
+ * @param {Prompt} prompt  - The Prompt object that extends tty
+ * @param {String} message - The message to be output
+ */
+Prompt.prototype.write = function (message) {
+  var msgLines = message.split(/\n/);
+  this.height = msgLines.length;
+
+  // Write message to screen and setPrompt to control backspace
+  this.rl.setPrompt(_.last(msgLines));
+
+  if (this.rl.output.rows === 0 && this.rl.output.columns === 0) {
+    /* When it's a tty through serial port there's no terminal info and the render will malfunction,
+       so we need enforce the cursor to locate to the leftmost position for rendering. */
+    rlUtils.left(this.rl, message.length + this.rl.line.length);
+  }
+  this.rl.output.write(message);
+};