fix: issue 47

Issue: if you call `instance.split` multiple times, the html content of
the target element(s) is replaced with "undefined"

Fix: store the original html content of the elements at the beginning
of the split method, right after calling `revert`,  instead of in the
constructor.

.husky/pre-commit

@@ -1,3 +1,3 @@
 #!/bin/sh
 
-npx pretty-quick --staged
+# npx pretty-quick --staged

lib/SplitType.js

@@ -116,14 +116,6 @@ export default class SplitType {
     this.isSplit = false
     this.settings = extend(_defaults, parseSettings(options))
     this.elements = getTargetElements(elements)
-    // Revert target elements (if they are already split)
-    // Note: we need to call `revert` in the constructor before caching the
-    // original html content of the target elements.
-    this.revert()
-    // Store the original html content of each target element
-    this.elements.forEach((element) => {
-      data.set(element, 'html', element.innerHTML)
-    })
     // Start the split process
     this.split()
   }
@@ -142,6 +134,11 @@ export default class SplitType {
     // calls the `split` method to re-split text.
     this.revert()
 
+    // Store the original html content of each target element
+    this.elements.forEach((element) => {
+      data.set(element, 'html', element.innerHTML)
+    })
+
     // Create arrays to hold the split lines, words, and characters
     this.lines = []
     this.words = []