util: put ansiTrim into util from outdated

Credit: @watilde
Reviewed-By: @othiym23
Reviewed-By: @iarna
PR-URL: npm/npm#14582
Fixes: npm#6756

lib/outdated.js

@@ -41,6 +41,7 @@ var isExtraneous = require('./install/is-extraneous.js')
 var recalculateMetadata = require('./install/deps.js').recalculateMetadata
 var moduleName = require('./utils/module-name.js')
 var output = require('./utils/output.js')
+var ansiTrim = require('./utils/ansi-trim')
 
 function uniqName (item) {
   return item[0].path + '|' + item[1] + '|' + item[7]
@@ -149,12 +150,6 @@ function makePretty (p) {
   return columns
 }
 
-function ansiTrim (str) {
-  var r = new RegExp('\x1b(?:\\[(?:\\d+[ABCDEFGJKSTm]|\\d+;\\d+[Hfm]|' +
-        '\\d+;\\d+;\\d+m|6n|s|u|\\?25[lh])|\\w)', 'g')
-  return str.replace(r, '')
-}
-
 function makeParseable (list) {
   return list.map(function (p) {
     var dep = p[0]

lib/utils/ansi-trim.js

@@ -0,0 +1,7 @@
+function ansiTrim (str) {
+  var r = new RegExp('\x1b(?:\\[(?:\\d+[ABCDEFGJKSTm]|\\d+;\\d+[Hfm]|' +
+        '\\d+;\\d+;\\d+m|6n|s|u|\\?25[lh])|\\w)', 'g')
+  return str.replace(r, '')
+}
+
+module.exports = ansiTrim