Fixes 101 (#102)

* Fixes #101

* Updated test

* Removed slow down

Author: delvedor

index.js

@@ -207,16 +207,19 @@ function $asString (str) {
 function $asStringSmall (str) {
   var result = ''
   var last = 0
+  var found = false
   var l = str.length
   var point = 255
   for (var i = 0; i < l && point >= 32; i++) {
     point = str.charCodeAt(i)
     if (point === 34 || point === 92) {
       result += str.slice(last, i) + '\\'
       last = i
+      found = true
     }
   }
-  if (last === 0) {
+
+  if (!found) {
     result = str
   } else {
     result += str.slice(last)

test/basic.test.js

@@ -328,3 +328,19 @@ test('patternProperties - throw on unknown type', (t) => {
     t.ok(err)
   }
 })
+
+test('render a single quote as JSON', (t) => {
+  t.plan(2)
+
+  const schema = {
+    type: 'string'
+  }
+  const toStringify = '" double quote'
+
+  const validate = validator(schema)
+  const stringify = build(schema)
+  const output = stringify(toStringify)
+
+  t.equal(output, JSON.stringify(toStringify))
+  t.ok(validate(JSON.parse(output)), 'valid schema')
+})