refactor: drop trim

BREAKING CHANGE:

We drop the ``trim`` option. It is up to client code to trip text if
it needs it.

README.md

@@ -81,7 +81,6 @@ Pass the following arguments to the parser function.  All are optional.
 
 Settings supported:
 
-* `trim` - Boolean. Whether or not to trim text and comment nodes.
 * `xmlns` - Boolean. If true, then namespaces are supported.
 * `position` - Boolean. If false, then don't track line/col/position.
 

lib/saxes.js

@@ -351,16 +351,10 @@
   }
 
   function closeText (parser) {
-    parser.textNode = textopts(parser.opt, parser.textNode)
     if (parser.textNode) emit(parser, 'ontext', parser.textNode)
     parser.textNode = ''
   }
 
-  function textopts (opt, text) {
-    if (opt.trim) text = text.trim()
-    return text
-  }
-
   function error (parser, er) {
     closeText(parser)
     if (parser.trackPosition) {
@@ -849,7 +843,6 @@
         case S.COMMENT_ENDING:
           if (c === '-') {
             parser.state = S.COMMENT_ENDED
-            parser.comment = textopts(parser.opt, parser.comment)
             if (parser.comment) {
               emitNode(parser, 'oncomment', parser.comment)
             }

test/self-closing-tag.js

@@ -9,19 +9,23 @@ require(__dirname).test({
   expect: [
     ['opentagstart', {name: 'root', attributes: {}}],
     ['opentag', {name: 'root', attributes: {}, isSelfClosing: false}],
+    ['text', '   '],
     ['opentagstart', {name: 'haha', attributes: {}}],
     ['opentag', {name: 'haha', attributes: {}, isSelfClosing: true}],
     ['closetag', 'haha'],
+    ['text', ' '],
     ['opentagstart', {name: 'haha', attributes: {}}],
     ['opentag', {name: 'haha', attributes: {}, isSelfClosing: true}],
     ['closetag', 'haha'],
+    ['text', '  '],
     // ["opentag", {name:"haha", attributes:{}}],
     // ["closetag", "haha"],
     ['opentagstart', {name: 'monkey', attributes: {}}],
     ['opentag', {name: 'monkey', attributes: {}, isSelfClosing: false}],
-    ['text', '=(|)'],
+    ['text', ' =(|)     '],
     ['closetag', 'monkey'],
-    ['closetag', 'root']
+    ['closetag', 'root'],
+    ['text', '  '],
   ],
-  opt: { trim: true }
+  opt: {}
 })

test/trailing-attribute-no-value.js

@@ -10,5 +10,5 @@ Char: >'],
     ['opentag', {name: 'root', attributes: {'attrib': 'attrib'}, isSelfClosing: false}],
     ['closetag', 'root'],
   ],
-  opt: { trim: true }
+  opt: {}
 })