fix bug for false value

index.js

@@ -13,22 +13,22 @@ module.exports.set = function(obj, prop, value) {
 				}
 				if (/^\+?\d+$/.test(head) && obj.length > head) {
 					head = parseInt(head);
-					return [].concat(obj.slice(0, head), setPropImmutableRec(obj[head] || {}, prop, value, i + 1), obj.slice(head + 1));
+					return [].concat(obj.slice(0, head), setPropImmutableRec(obj[head] !== undefined ? obj[head] : {}, prop, value, i + 1), obj.slice(head + 1));
 				} else {
 					let clone = obj.slice();
-					clone[head] = setPropImmutableRec(obj[head] || {}, prop, value, i + 1);
+					clone[head] = setPropImmutableRec(obj[head] !== undefined ? obj[head] : {}, prop, value, i + 1);
 					return clone;
 				}
 
 			} else {
-				return Object.assign({}, obj, {[head]: setPropImmutableRec(obj[head] || {}, prop, value, i + 1)});
+				return Object.assign({}, obj, {[head]: setPropImmutableRec(obj[head] !== undefined ? obj[head] : {}, prop, value, i + 1)});
 			}
 		}
 
 		return typeof value === 'function' ? value(obj) : value;
 	};
 
-	return setPropImmutableRec(obj, prop, value, 0);
+	return setPropImmutableRec(obj, prop, value, 0, null);
 };
 
 module.exports.get = function(obj, prop) {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "dot-prop-immutable",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "Immutable version of dot-prop with some extensions",
   "main": "index.js",
   "engines": {

test/dot-prop-immutable.spec.js

@@ -12,7 +12,7 @@ describe('dot-prop-immutable.spec.js', function() {
 		'b.x': 10
 	};
 
-	var arr = [1, { b: 2}];
+	var arr = [1, { a: false}];
 
 	var result;
 
@@ -271,7 +271,7 @@ describe('dot-prop-immutable.spec.js', function() {
 
 				it('should replace prop', () => {
 					expect(result).to.eql(
-						[3, {b: 2}]
+						[3, {a: false}]
 					);
 				});
 
@@ -281,18 +281,17 @@ describe('dot-prop-immutable.spec.js', function() {
 			describe('when set array[index] deep prop', () => {
 
 				before(function () {
-					result = dotProp.set(arr, '1.b', 3);
+					result = dotProp.set(arr, '1.a', v => !v);
 				});
 
 				it('should replace prop', () => {
 					expect(result).to.eql(
-						[1, {b: 3}]
+						[1, {a: true}]
 					);
 				});
 
 				it('invariant', arrInvariant);
 			});
-
 		});
 	});
 
@@ -390,7 +389,7 @@ describe('dot-prop-immutable.spec.js', function() {
 			describe('when get array[index] deep prop', () => {
 
 				it('should replace prop', () => {
-					expect(dotProp.get(arr, '1.b')).to.equal(2);
+					expect(dotProp.get(arr, '1.a')).to.equal(false);
 				});
 			});
 
@@ -411,7 +410,7 @@ describe('dot-prop-immutable.spec.js', function() {
 
 	function arrInvariant() {
 		expect(arr).to.eql(
-			[1, {b: 2}]
+			[1, {a: false}]
 		);
 	}
 });