options.textNodeKey specifies the json key for a node's text data. if…

… unspecified, defaults to usual $t.

README.md

@@ -21,7 +21,7 @@ console.log(json);
 ```
 * if you want to get the Javascript object then you might want to invoke parser.toJson(xml, {object: true});
 * if you want a reversible json to xml then you should use parser.toJson(xml, {reversible: true});
-
+* if you want to override the default "$t" key name for a node's text value, specify the textNodeKey option. e.g., `parser.toJson(xml, {textNodeKey: "text"})`
 
 ## License
 Copyright 2011 BugLabs Inc. All rights reserved.

lib/xml2json.js

@@ -39,19 +39,19 @@ function text(data) {
     if (!data.length) {
         return;
     }
-    currentObject['$t'] = (currentObject['$t'] || "") + data;
+    currentObject[options.textNodeKey] = (currentObject[options.textNodeKey] || "") + data;
 }
 
 function endElement(name) {
     // This should check to make sure that the name we're ending 
     // matches the name we started on.
     var ancestor = ancestors.pop();
     if (!options.reversible) {
-        if ((Object.keys(currentObject).length == 1) && ('$t' in currentObject)) {
+        if ((Object.keys(currentObject).length == 1) && (options.textNodeKey in currentObject)) {
             if (ancestor[name] instanceof Array) {
-                ancestor[name].push(ancestor[name].pop()['$t']);
+                ancestor[name].push(ancestor[name].pop()[options.textNodeKey]);
             } else {
-                ancestor[name] = currentObject['$t'];
+                ancestor[name] = currentObject[options.textNodeKey];
             }
         }
     }
@@ -71,7 +71,8 @@ module.exports = function(xml, _options) {
 
     options = {
         object: false,
-        reversible: false
+        reversible: false,
+        textNodeKey: '$t'
     };
 
     for (var opt in _options) {

test/test.js

@@ -47,3 +47,15 @@ fs.readdir(fixturesPath, function(err, files) {
     }
 });
 
+// test options.textNodeKey custom value
+var xml = '<ref href="http://example.com">http://example.com</ref>';
+var actual = parser.toJson(xml, {object: true, textNodeKey: 'hi'});
+var json = '{"ref":{"href":"http://example.com","hi":"http://example.com"}}';
+assert.deepEqual(actual, JSON.parse(json));
+
+// test options.textNodeKey default value
+var actual = parser.toJson(xml, {object: true});
+var json = json.replace('"hi":', '"$t":');
+assert.deepEqual(actual, JSON.parse(json));
+
+console.log('[xml2json options.textNodeKey] passed');