Adding equals feature, fixes #40

src/replace-words.js

@@ -40,6 +40,7 @@ function replaceAll() {
 
     if (isAllSet) {
       replaceExceptions(options);
+      replaceEquals();
       replaceCuts();
       replaceCapitals();
       replaceMirror();
@@ -230,6 +231,12 @@ function replaceExceptions(options) {
   walk(document.body, searchTerm, options, exceptionMethod);
 }
 
+/* Replaces statements by whether they match requested terms */
+function replaceEquals() {
+  const searchTerm = /eql\/([\w\s]+)\/([\w\s]+)\/([^\/]*)\/(?:([^\/]*)\/)?/i;
+  walk(document.body, searchTerm, null, equalsMethod);
+}
+
 /* Replaces cut statements with cuts */
 function replaceCuts() {
   const searchTerm = /cut\/([^\/]+)\/(off|only) (first|last) ([1-9][0-9]*)\//i;
@@ -375,13 +382,27 @@ function exceptionMethod(node, searchTerm, options) {
     }
   }
 
-
-
-
   node.nodeValue = node.nodeValue.replace(searchTerm, replaceValue);
   exceptionMethod(node, searchTerm, options);
 }
 
+/* Allows for custom answers to custom words */
+function equalsMethod(node, searchTerm, unused) {
+  const match = node.nodeValue.match(searchTerm);
+  if (match == null) { return; }
+  let replaceValue;
+
+  const isEqual = match[1] === match[2];
+  if (isEqual) {
+    replaceValue = match[3];
+  } else {
+    replaceValue = match[4];
+  }
+
+  node.nodeValue = node.nodeValue.replace(searchTerm, replaceValue);
+  exceptionMethod(node, searchTerm, unused);
+}
+
 /* Allows for custom words to be truncated */
 function cutMethod(node, searchTerm, unused) {
   const match = node.nodeValue.match(searchTerm);