Add u.freeze

Fixes #7

CHANGELOG.md

@@ -1,6 +1,7 @@
 # Change Log
 
 ## [unreleased]
+* Add `u.freeze` to freeze an object deeply. (https://github.com/substantial/updeep/issues/7)
 
 ## [0.2.3]
 * Fix cannot update value to null (https://github.com/substantial/updeep/issues/8)

lib/index.js

@@ -9,10 +9,11 @@ function updateAndFreeze(updates, obj) {
   return freeze(update(updates, obj));
 }
 
-const curried = curry(updateAndFreeze);
+const updeep = curry(updateAndFreeze);
 
-curried.omit = omit;
-curried.reject = reject;
-curried.withDefault = withDefault;
+updeep.omit = omit;
+updeep.reject = reject;
+updeep.withDefault = withDefault;
+updeep.freeze = freeze;
 
-export default curried;
+export default updeep;

test/freeze.js

@@ -56,4 +56,10 @@ describe('freeze', () => {
     freeze(obj);
     expect(Object.isFrozen(obj)).to.be.true;
   });
+
+  it('returns the same object', () => {
+    const obj = {};
+    const result = freeze(obj);
+    expect(result).to.equal(obj);
+  });
 });

test/index.js

@@ -113,4 +113,10 @@ describe('updeep', () => {
   it('assigns null values', () => {
     expect(u({isNull: null}, {})).to.eql({isNull: null});
   });
+
+  it('has additional functions', () => {
+    expect(u.freeze).to.be.a('function');
+    expect(u.omit).to.be.a('function');
+    expect(u.withDefault).to.be.a('function');
+  });
 });