Added cut feature, fixes #26

src/replace-words.js

@@ -33,6 +33,8 @@ function replaceAll() {
     if (isAlsoSet) {
       replaceAlso(options);
     }
+
+    replaceCuts();
   });
 }
 
@@ -229,6 +231,12 @@ function replaceAlso(options) {
   });
 }
 
+/* Replaces cut statements with cuts */
+function replaceCuts() {
+  const searchTerm = /[Cc]ut\/([^\/]+)\/(-?[\d]+)\//;
+  walk(document.body, searchTerm, null, cutMethod);
+}
+
 /* Turns a term into regexp format and uses that to replace it */
 function escapeAndReplace(searchTerm, replaceValue, caseSensitive) {
   let searchTermEscaped = searchTerm.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&");
@@ -393,6 +401,30 @@ function pluralPrnVerbMethod(node, searchTerm, options) {
   pluralPrnVerbMethod(node, searchTerm, options);
 }
 
+/* Allows for custom words to be cut off */
+function cutMethod(node, searchTerm, unused) {
+  let match = node.nodeValue.match(searchTerm);
+  if (match == null) { return; }
+  const target = match[1];
+  const amount = match[2];
+
+  if (target.length <= Math.abs(amount)) {
+    node.nodeValue = node.nodeValue.replace(searchTerm, target);
+    cutMethod(node, searchTerm, unused);
+    return;
+  }
+
+  let replaceValue;
+  if (amount < 0) {
+    replaceValue = target.slice(0, amount);
+  } else {
+    replaceValue = target.slice(amount);
+  }
+
+  node.nodeValue = node.nodeValue.replace(searchTerm, replaceValue);
+  cutMethod(node, searchTerm, unused);
+}
+
 /* Returns the input word, capitalized */
 function capitalize(word) {
   return word.charAt(0).toUpperCase() + word.slice(1);