nested-props - npm Package Compare versions

Comparing version 1.0.0 to 1.0.1

example.js

 var nested = require('./index')
 
-var obj = {}
-nested.set(obj, 'user.name', 'kamiky')
+var obj = {
+  coordinates: [{
+    value: [11, 22]
+  }, {
+    value: [33, 44, 55]
+  }]
+}
+nested.set(obj, 'user.name', 'username')
 nested.set(obj, 'user.id', '666')
@@ -9,4 +15,5 @@ nested.set(obj, 'user.info.city', 'paris')
 /*
-{ user:
-   { name: 'kamiky',
+{ coordinates: [ { value: [Object] }, { value: [Object] } ],
+  user:
+   { name: 'username',
      id: '666',
@@ -18,4 +25,5 @@ info: { city: 'paris', country: 'france' } } }
 /*
-{ user:
-   { name: 'kamiky',
+{ coordinates: [ { value: [Object] }, { value: [Object] } ],
+  user:
+   { name: 'username',
      id: { value: '666' },
@@ -27,4 +35,5 @@ info: { city: 'paris', country: 'france' } } }
 /*
-{ user:
-   { name: 'kamiky',
+{ coordinates: [ { value: [Object] }, { value: [Object] } ],
+  user:
+   { name: 'username',
      id: { value: '777' },
@@ -34,3 +43,3 @@ info: { city: 'paris', country: 'france' } } }
 
-var country = nested.get(obj, 'user.test.test')
+var country = nested.get(obj, 'user.info.country')
 /*
@@ -40,4 +49,3 @@ france
 
-/* use this method to prevent
-TypeError: Cannot read property 'test' of undefined */
+/* use this method to prevent : TypeError: Cannot read property 'test' of undefined */
 var undefinedTest = nested.get(obj, 'user.test.test')
@@ -48,2 +56,13 @@ /*
 
-console.log(obj)
+
+var coordinate1 = nested.get(obj, 'coordinates[0].value')
+/* [11, 22] */
+var x2 = nested.get(obj, 'coordinates[1].value[0]')
+/* 33 */
+var y2 = nested.get(obj, 'coordinates[1].value[1]')
+/* 44 */
+
+var x3 = nested.get(obj, 'coordinates[2].value[0]')
+/* null */
+
+

index.js

 function setNestedProperty (obj, name, value) {
-  if (obj === null || typeof obj !== 'object' || Array.isArray(obj)) {
-    throw new Error('nestedProps first argument should be a javascript object')
+  if (!(typeof obj === 'object' || !obj || Array.isArray(obj))) {
+    throw new Error('nestedProps first argument type is not supported')
   }
@@ -21,12 +21,28 @@ var props = name.split('.')
 function getNestedProperty (obj, property) {
-  if (obj === null || typeof obj !== 'object' || Array.isArray(obj)) {
-    throw new Error('nestedProps first argument should be a javscript object')
+  if (!(typeof obj === 'object' || !obj || Array.isArray(obj))) {
+    throw new Error('nestedProps first argument type is not supported')
   }
+  if (!obj) return null
   var props = property.split('.')
+  var regex = new RegExp('\\[(.*?)\\]', 'gi')
+  var result, prop, objectProperty, index
 
-  props.forEach(function (prop, index) {
-    if (obj) {
-      obj = obj[prop]
+  for (var i = 0; i < props.length; ++i) {
+    prop = props[i]
+    objectProperty = prop.substr(0, prop.indexOf('['))
+    if (prop.indexOf('[') === -1 && !objectProperty) {
+      objectProperty = prop
     }
-  })
+    if (obj && objectProperty && objectProperty.length > 0) {
+      obj = obj[objectProperty]
+    }
+    while ((result = regex.exec(prop))) {
+      index = result[1]
+      if (obj && Array.isArray(obj) && obj.length > index && index >= 0) {
+        obj = obj[index]
+      } else {
+        return null
+      }
+    }
+  }
   return obj
@@ -33,0 +49,0 @@ }

package.json

 {
   "name": "nested-props",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "Define nested properties value",
@@ -21,3 +21,7 @@ "main": "index.js",
   "author": "kamiky",
-  "license": "ISC"
+  "license": "ISC",
+  "devDependencies": {
+    "chai": "^3.5.0",
+    "mocha": "^3.2.0"
+  }
 }

README.md

@@ -13,4 +13,10 @@ # nested-props
 
-var obj = {}
-nested.set(obj, 'user.name', 'kamiky')
+var obj = {
+  coordinates: [{
+    value: [11, 22]
+  }, {
+    value: [33, 44, 55]
+  }]
+}
+nested.set(obj, 'user.name', 'username')
 nested.set(obj, 'user.id', '666')
@@ -20,18 +26,23 @@ nested.set(obj, 'user.info.city', 'paris')
 /*
-{ user:
-   { name: 'kamiky',
+{ coordinates: [ { value: [Object] }, { value: [Object] } ],
+  user:
+   { name: 'username',
      id: '666',
      info: { city: 'paris', country: 'france' } } }
 */
+
 nested.set(obj, 'user.id.value', '666')
 /*
-{ user:
-   { name: 'kamiky',
+{ coordinates: [ { value: [Object] }, { value: [Object] } ],
+  user:
+   { name: 'username',
      id: { value: '666' },
      info: { city: 'paris', country: 'france' } } }
 */
+
 nested.set(obj, 'user.id.value', '777')
 /*
-{ user:
-   { name: 'kamiky',
+{ coordinates: [ { value: [Object] }, { value: [Object] } ],
+  user:
+   { name: 'username',
      id: { value: '777' },
@@ -41,3 +52,3 @@ info: { city: 'paris', country: 'france' } } }
 
-var country = nested.get(obj, 'user.test.test')
+var country = nested.get(obj, 'user.info.country')
 /*
@@ -47,4 +58,3 @@ france
 
-/* use this method to prevent
-TypeError: Cannot read property 'test' of undefined */
+/* use this method to prevent : TypeError: Cannot read property 'test' of undefined */
 var undefinedTest = nested.get(obj, 'user.test.test')
@@ -55,4 +65,14 @@ /*
 
-console.log(obj)
 
+var coordinate1 = nested.get(obj, 'coordinates[0].value')
+/* [11, 22] */
+var x2 = nested.get(obj, 'coordinates[1].value[0]')
+/* 33 */
+var y2 = nested.get(obj, 'coordinates[1].value[1]')
+/* 44 */
+
+var x3 = nested.get(obj, 'coordinates[2].value[0]')
+/* null */
+
+
 ```

No alert changes

Improved metrics

Total package byte prevSize

7679

increased by133.69%

Number of package files

5

increased by25%

Lines of code

198

increased by178.87%

Number of lines in readme file

74

increased by37.04%

Worsened metrics

Dev dependency count

2

increased byInfinity%

No dependency changes