Implement `with-eval-after-loads' macro

1 files changed, 16 insertions, 0 deletions

@@ -108,6 +108,22 @@ is unfocused."
               ,@body)
      (message "%s... Done." ,message)))
 
+(defmacro with-eval-after-loads (files &rest body)
+  "Execute BODY after FILES are loaded.
+This macro simplifies `with-eval-after-load' for multiple nested
+features."
+  (declare (indent 1) (debug (form def-body)))
+  (waterfall-list 'with-eval-after-load files body))
+
+(defun waterfall-list (car list rest)
+  "Cons CAR with each element in LIST in a waterfall fashion, end with REST.
+For use with the `with-eval-after-loads' function."
+  (cond ((atom list) `(,car ',list ,@rest))
+        ((= 1 (length list)) `(,car ',(car list) ,@rest))
+        (t
+         `(,car ',(car list)
+                ,(waterfall-list car (cdr list) rest)))))
+
 
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