clojure-emacs
diff --git a/‎inf-clojure.el
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+14Lines changed: 14 additions & 0 deletions b/‎inf-clojure.el
Copy file name to clipboardExpand all lines: inf-clojure.el
+14Lines changed: 14 additions & 0 deletions
@@ -332,6 +332,7 @@ to continue it."
   (setq comint-input-filter #'inf-clojure-input-filter)
   (setq-local comint-prompt-read-only inf-clojure-prompt-read-only)
   (add-hook 'comint-preoutput-filter-functions #'inf-clojure-preoutput-filter nil t)
+  (add-hook 'comint-output-filter-functions 'inf-clojure--ansi-filter)
   (add-hook 'completion-at-point-functions #'inf-clojure-completion-at-point nil t)
   (ansi-color-for-comint-mode-on))
 
@@ -356,6 +357,19 @@ to continue it."
   "Remove subprompts from STRING."
   (replace-regexp-in-string inf-clojure-subprompt "" string))
 
+(defconst inf-clojure--ansi-clear-line "\\[1G\\|\\[0J\\|\\[13G"
+  "Ansi codes sent by the lumo repl that we need to clear." )
+
+(defun inf-clojure--ansi-filter (string)
+  "Filter unwanted ansi character from STRING."
+  (save-excursion
+    ;; go to start of first line just inserted
+    (comint-goto-process-mark)
+    (goto-char (max (point-min) (- (point) (string-width string))))
+    (forward-line 0)
+    (while (re-search-forward inf-clojure--ansi-clear-line nil t)
+      (replace-match ""))))
+
 (defun inf-clojure-preoutput-filter (str)
   "Preprocess the output STR from interactive commands."
   (cond