use a class private getter to decouple same methods usage

1 files changed, 7 insertions, 3 deletions

diff --git a/js/src/tooltip.js b/js/src/tooltip.js
index cd4a2878e..cdc9b1e5d 100644
--- a/js/src/tooltip.js
+++ b/js/src/tooltip.js
@@ -37,7 +37,6 @@ const NAME = 'tooltip'
 const DATA_KEY = 'bs.tooltip'
 const EVENT_KEY = `.${DATA_KEY}`
 const CLASS_PREFIX = 'bs-tooltip'
-const BSCLS_PREFIX_REGEX = new RegExp(`(^|\\s)${CLASS_PREFIX}\\S+`, 'g')
 const DISALLOWED_ATTRIBUTES = new Set(['sanitize', 'allowList', 'sanitizeFn'])
 
 const DefaultType = {
@@ -514,7 +513,7 @@ class Tooltip extends BaseComponent {
   }
 
   _addAttachmentClass(attachment) {
-    this.getTipElement().classList.add(`${CLASS_PREFIX}-${this.updateAttachment(attachment)}`)
+    this.getTipElement().classList.add(`${this._getBasicClassPrefix()}-${this.updateAttachment(attachment)}`)
   }
 
   _getAttachment(placement) {
@@ -699,13 +698,18 @@ class Tooltip extends BaseComponent {
 
   _cleanTipClass() {
     const tip = this.getTipElement()
-    const tabClass = tip.getAttribute('class').match(BSCLS_PREFIX_REGEX)
+    const basicClassPrefixRegex = new RegExp(`(^|\\s)${this._getBasicClassPrefix()}\\S+`, 'g')
+    const tabClass = tip.getAttribute('class').match(basicClassPrefixRegex)
     if (tabClass !== null && tabClass.length > 0) {
       tabClass.map(token => token.trim())
         .forEach(tClass => tip.classList.remove(tClass))
     }
   }
 
+  _getBasicClassPrefix() {
+    return CLASS_PREFIX
+  }
+
   _handlePopperPlacementChange(popperData) {
     const { state } = popperData