Add safeParse(). Closes #9

Author: hueniverse

lib/index.js

@@ -84,3 +84,14 @@ exports.scan = function (obj, options) {
         }
     }
 };
+
+
+exports.safeParse = function (text, reviver) {
+
+    try {
+        return exports.parse(text, reviver);
+    }
+    catch (ignoreError) {
+        return null;
+    }
+};

package.json

@@ -12,13 +12,13 @@
   ],
   "dependencies": {},
   "devDependencies": {
-    "benchmark": "^2.1.4",
-    "code": "5.x.x",
-    "lab": "18.x.x"
+    "@hapi/code": "5.x.x",
+    "@hapi/lab": "18.x.x",
+    "benchmark": "^2.1.4"
   },
   "scripts": {
-    "test": "lab -a code -t 100 -L",
-    "test-cov-html": "lab -a code -r html -o coverage.html"
+    "test": "lab -a @hapi/code -t 100 -L",
+    "test-cov-html": "lab -a @hapi/code -r html -o coverage.html"
   },
   "license": "BSD-3-Clause"
 }

test/index.js

@@ -1,8 +1,8 @@
 'use strict';
 
-const Code = require('code');
+const Code = require('@hapi/code');
 const Bourne = require('..');
-const Lab = require('lab');
+const Lab = require('@hapi/lab');
 
 
 const internals = {};
@@ -137,4 +137,22 @@ describe('Bourne', () => {
             expect(obj).to.equal({ a: 5, b: 6, hasOwnProperty: 'text' });
         });
     });
+
+    describe('safeParse()', () => {
+
+        it('parses object string', () => {
+
+            expect(Bourne.safeParse('{"a": 5, "b": 6}')).to.equal({ a: 5, b: 6 });
+        });
+
+        it('returns null on proto object string', () => {
+
+            expect(Bourne.safeParse('{ "a": 5, "b": 6, "__proto__": { "x": 7 } }')).to.be.null();
+        });
+
+        it('returns null on invalid object string', () => {
+
+            expect(Bourne.safeParse('{"a": 5, "b": 6')).to.be.null();
+        });
+    });
 });