get-prop - npm Package Compare versions

Comparing version 0.0.4 to 0.0.5

bower.json

 {
   "name": "getprop",
   "main": "getprop.js",
-  "version": "0.0.4",
+  "version": "0.0.5",
   "homepage": "https://github.com/miguelmota/getprop",
@@ -6,0 +6,0 @@ "authors": [

getprop.js

@@ -5,15 +5,16 @@ (function(root) {
     if (!o || !s) return;
-    if (!(typeof o === 'object' || o instanceof Object)) return;
-    if (!(typeof s === 'string' || s instanceof String)) return;
+    if (!(typeof o === 'object' || o instanceof Object)) return d;
+    if (!(typeof s === 'string' || s instanceof String)) return d;
     var props = s.match(/(\[(.*?)\]|[0-9a-zA-Z_$]+)/gi).map(function(m) { return m.replace(/[\[\]]/gi,''); });
 
-    var last = props[props.length - 1],
+    var len = props.length,
+        last = props[len - 1],
         i = 0,
         head = o;
 
-    for (i = 0; i < props.length; i += 1) {
-      if (!head[props[i]]) d;
+    for (i = 0; i < len; i += 1) {
+      if (typeof head[props[i]] === 'undefined') return d;
       head = head[props[i]];
       if (typeof head !== 'undefined') {
-        if (props[i] === last) {
+        if (props[i] === last && i === len - 1) {
           return head;
@@ -20,0 +21,0 @@ }

package.json

 {
   "name": "get-prop",
-  "version": "0.0.4",
+  "version": "0.0.5",
   "description": "Get a property from object",
@@ -5,0 +5,0 @@ "main": "getprop.js",

README.md

 # getprop
 
-Get a property from object
+Get a property from nested object, the easy way.
 
+Old fashion way:
+
+```javascript
+var value = 'default value';
+
+if (
+  obj &&
+  obj.qux &&
+  obj.qux.zee &&
+  obj.qux.zee.peep &&
+  obj.qux.zee.peep[2] &&
+  obj.qux.zee.peep[2].__data) {
+
+  value = obj.qux.zee.peep[2].__data;
+}
+```
+
+with getProp:
+
+```javascript
+var value = getProp(obj, 'qux.zee.peep.2.__data', 'default value');
+```
+
 # Install
@@ -11,2 +34,6 @@
 
+```bash
+bower install getprop
+```
+
 # Usage
@@ -21,3 +48,3 @@
     zee: {
-      boop: 'yo',
+      boop: 4,
       peep: [55,'zonk', {
@@ -33,2 +60,3 @@ __data: 'pow'
   },
+  'foo.bar': 'noob'
 };
@@ -45,4 +73,6 @@
 getProp(obj, 'qux["key.with.quotes"].greet') // 'hi'
+getProp(obj, 'qux.zee.peep.2') // {__data: 'pow'}
 getProp(obj, 'qux.zee.peep.2.__data') // 'pow'
 getProp(obj, 'qux.$el') // 'element'
+getProp(obj, '[foo.bar]') // 'noob'
 ```
@@ -49,0 +79,0 @@

test/getprop.js

@@ -5,3 +5,3 @@ var test = require('tape');
 test('getProp', function (t) {
-  t.plan(14);
+  t.plan(21);
 
@@ -13,2 +13,3 @@ var obj = {
         boop: 'yo',
+        num: 4,
         peep: [55,'zonk', {
@@ -24,2 +25,8 @@ __data: 'pow'
     },
+    bar: {
+      baz: {
+        bar: 9
+      }
+    },
+    'foo.bar': 'noob'
   };
@@ -31,2 +38,3 @@
   t.equal(getProp(obj, 'qux.zee.boop'), 'yo');
+  t.equal(getProp(obj, 'qux.zee.num'), 4);
   t.equal(getProp(obj, 'qux.zee.peep.0'), 55);
@@ -37,7 +45,26 @@ t.equal(getProp(obj, 'qux.zee.peep.1'), 'zonk');
   t.equal(getProp(obj, 'qux["key.with.quotes"].greet'), 'hi');
+  t.deepEqual(getProp(obj, 'qux.zee.peep.2'), {__data: 'pow'});
   t.equal(getProp(obj, 'qux.zee.peep.2.__data'), 'pow');
   t.equal(getProp(obj, 'qux.$el'), 'element');
+  t.equal(getProp(obj, 'bar.baz.bar'), 9);
   t.equal(getProp(obj, ''), undefined);
   t.equal(getProp(obj, {}), undefined);
   t.equal(getProp(obj, 3), undefined);
+  t.equal(getProp(obj, 'nah.1.0'), undefined);
+  t.equal(getProp('foo.bar', ''), undefined);
+  t.equal(getProp(obj, '[foo.bar]'), 'noob');
+
+  // oldschool
+  var value = 'default value';
+  if (
+    obj &&
+    obj.qux &&
+    obj.qux.zee &&
+    obj.qux.zee.peep &&
+    obj.qux.zee.peep[1]) {
+
+    value = obj.qux.zee.peep[2].__data;
+  }
+
+  t.equal(value, 'pow');
 });

No alert changes

Improved metrics

Total package byte prevSize

8040

increased by16.78%

Lines of code

115

increased by27.78%

Number of lines in readme file

79

increased by61.22%

No dependency changes