mv whiteSpaceCtrl to a separate file

src/whitespace-ctrl.js

@@ -0,0 +1,35 @@
+const _ = require('./util/underscore.js')
+
+function whiteSpaceCtrl (tokens, options) {
+  options = _.assign({ greedy: true }, options)
+  var inRaw = false
+
+  tokens.forEach((token, i) => {
+    if (!inRaw && (token.trim_left || options.trim_left)) {
+      trimLeft(tokens[i - 1], options.greedy)
+    }
+
+    if (token.type === 'tag' && token.name === 'raw') inRaw = true
+    if (token.type === 'tag' && token.name === 'endraw') inRaw = false
+
+    if (!inRaw && (token.trim_right || options.trim_right)) {
+      trimRight(tokens[i + 1], options.greedy)
+    }
+  })
+}
+
+function trimLeft (token, greedy) {
+  if (!token || token.type !== 'html') return
+
+  var rLeft = greedy ? /\s+$/g : /[\t\r ]*$/g
+  token.value = token.value.replace(rLeft, '')
+}
+
+function trimRight (token, greedy) {
+  if (!token || token.type !== 'html') return
+
+  var rRight = greedy ? /^\s+/g : /^[\t\r ]*\n?/g
+  token.value = token.value.replace(rRight, '')
+}
+
+module.exports = whiteSpaceCtrl