From 0450db795e3c4c3da390b84e4ae8f2571856f1e2 Mon Sep 17 00:00:00 2001
From: Sam Reid <reids@colorado.edu>
Date: Sat, 23 Jul 2022 09:53:25 -0600
Subject: [PATCH] Revert "move lint to perennial-alias instead of chipper and
 fix perennial `grunt lint`, https://github.com/phetsims/chipper/issues/1286"

This reverts commit e684c0dae4ba6348a68a784ee3e0fa156bb593a8.
---
 js/common/showCommandLineProgress.js | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 js/common/showCommandLineProgress.js

diff --git a/js/common/showCommandLineProgress.js b/js/common/showCommandLineProgress.js
new file mode 100644
index 00000000..c62aee8d
--- /dev/null
+++ b/js/common/showCommandLineProgress.js
@@ -0,0 +1,27 @@
+// Copyright 2022, University of Colorado Boulder
+
+/**
+ * Helper function to show a progress bar on the command line.
+ * @author Sam Reid (PhET Interactive Simulations)
+ * @author Michael Kauzmann (PhET Interactive Simulations)
+ */
+
+/* eslint-env node */
+const _ = require( 'lodash' ); // eslint-disable-line
+
+/**
+ * See https://jagascript.com/how-to-build-a-textual-progress-bar-for-cli-and-terminal-apps/
+ * @param {number} progress - decimal between 0 and 1
+ * @param {boolean} newline - if each new progress should give a new line, should be false during progress, and true when finally completed
+ * @param {Object} [options]
+ */
+module.exports = function showCommandLineProgress( progress, newline, options ) {
+  options = _.extend( {
+    progressBarLength: 40 // in characters
+  }, options );
+
+  const dots = '.'.repeat( Math.round( progress * options.progressBarLength ) );
+  const empty = ' '.repeat( Math.round( ( 1 - progress ) * options.progressBarLength ) );
+  const newlineString = newline ? '\n' : '';
+  process.stdout.write( `\r[${dots}${empty}] ${( progress * 100 ).toFixed( 2 )}%${newlineString}` );
+};
\ No newline at end of file