deep-lib - npm Package Compare versions

Comparing version 1.0.0 to 1.1.0

API.md

@@ -5,6 +5,6 @@ ## Objects
 <dd><p>Enables to manipulate data and its substructures using dot separated property paths.</p>
-<p>All provided methods accept a <code>path</code> and/or an <code>offset</code> arguments referencing some substructure/value in the data.</p>
+<p>All provided methods accept a <code>path</code> and/or an <code>offset</code> arguments referencing some substructure or value in the data.</p>
 <ul>
-<li>If <code>offset</code> is provided, object will be rebased to the referenced subobject that will become the processing subject.</li>
-<li>If <code>path</code> is provided, it references the object that will be processed. If <code>offset</code> was also provided, it is the starting point of the <code>path</code>.</li>
+<li>If <code>path</code> is provided, it references the object that will be processed.</li>
+<li>If <code>offset</code> is provided, it sets the root point in the object for the resolving of the <code>path</code> argument.</li>
 </ul>
@@ -23,8 +23,26 @@ </dd>
 
-All provided methods accept a `path` and/or an `offset` arguments referencing some substructure/value in the data.
-- If `offset` is provided, object will be rebased to the referenced subobject that will become the processing subject.
-- If `path` is provided, it references the object that will be processed. If `offset` was also provided, it is the starting point of the `path`.
+All provided methods accept a `path` and/or an `offset` arguments referencing some substructure or value in the data.
+- If `path` is provided, it references the object that will be processed.
+- If `offset` is provided, it sets the root point in the object for the resolving of the `path` argument.
 
 **Kind**: global namespace  
+**Example**  
+```js
+// path: 'foo'
+// |root |referenced substructure
+  {foo: {hello: 'world'}, hello: 'Mundo'};
 
+// path: 'hello'
+// |root                          |referenced value
+  {foo: {hello: 'world'}, hello: 'Mundo'};
+
+// path: 'foo.hello'
+// |root         |referenced value
+  {foo: {hello: 'world'}, hello: 'Mundo'};
+
+// path: 'hello' & offset: 'foo'
+//       |root   |referenced value
+  {foo: {hello: 'world'}, hello: 'Mundo'};
+```
+
 * [deep-lib](#deep-lib) : <code>object</code>
@@ -35,13 +53,13 @@ * [.tools](#deep-lib.tools) : <code>object</code>
   * [.clone(object, [offset])](#deep-lib.clone) ⇒ <code>\*</code> &#124; <code>undefined</code>
-  * [.create(object, path, value, [force])](#deep-lib.create) ⇒ <code>string</code>
-  * [.createPath(object, path, [force], [offset])](#deep-lib.createPath)
+  * [.create(object, path, value, [offset], [force])](#deep-lib.create) ⇒ <code>string</code>
+  * [.createPath(object, path, [offset], [force])](#deep-lib.createPath)
   * [.define(object, path, value, [options], [offset])](#deep-lib.define)
-  * [.delete(object, path)](#deep-lib.delete) ⇒ <code>\*</code> &#124; <code>undefined</code>
+  * [.delete(object, path, [offset])](#deep-lib.delete) ⇒ <code>\*</code> &#124; <code>undefined</code>
   * [.diff(object1, object2, [offset])](#deep-lib.diff) ⇒ <code>Array.&lt;object&gt;</code> &#124; <code>undefined</code>
   * [.equal(object1, object2, [offset])](#deep-lib.equal) ⇒ <code>boolean</code>
   * [.getPaths(object, [offset])](#deep-lib.getPaths) ⇒ <code>Array.&lt;string&gt;</code>
-  * [.move(object, oldPath, newPath)](#deep-lib.move)
+  * [.move(object, oldPath, newPath, [offset])](#deep-lib.move)
   * [.search(object, regex, [offset])](#deep-lib.search) ⇒ <code>Array.&lt;string&gt;</code>
-  * [.select(object, [path])](#deep-lib.select) ⇒ <code>\*</code> &#124; <code>undefined</code>
-  * [.update(object, path, value, [ignoreUnknownProperties])](#deep-lib.update)
+  * [.select(object, [path], [offset])](#deep-lib.select) ⇒ <code>\*</code> &#124; <code>undefined</code>
+  * [.update(object, path, value, [offset], [ignoreUnknownProperties])](#deep-lib.update)
 
@@ -99,3 +117,3 @@ <a name="deep-lib.tools"></a>
 Returns a deep clone of the provided object.
-If a path is provided, the method will return
+If a `offset` is provided, the method will return
 a clone of the referenced substructure, property value or undefined
@@ -111,3 +129,3 @@ should the path be unknown.
 | object | <code>object</code> | object to be cloned |
-| [offset] | <code>string</code> | path used to rebase the processed object to the referenced subobject |
+| [offset] | <code>string</code> | path used to rebase processing to the referenced substructure |
 
@@ -119,8 +137,8 @@ **Example**
 
-var b    = deep.clone(a); // => {foo: {hello: 'world'}}
-var c    = deep.clone(a,'foo'); // => {hello: 'world'}
+var b    = deep.clone(a);             // => {foo: {hello: 'world'}}
+var c    = deep.clone(a,'foo');       // => {hello: 'world'}
 var d    = deep.clone(a,'foo.world'); // => 'world'
 ```
 <a name="deep-lib.create"></a>
-### deep-lib.create(object, path, value, [force]) ⇒ <code>string</code>
+### deep-lib.create(object, path, value, [offset], [force]) ⇒ <code>string</code>
 Creates/updates a new property/value pair in the parent object,
@@ -141,2 +159,3 @@ if the path elements do not exist, the method will take
 | value | <code>\*</code> |  | value to be assigned to the created property |
+| [offset] | <code>string</code> |  | path used to rebase processing to the referenced substructure |
 | [force] | <code>boolean</code> | <code>false</code> | forces the method to change objects in arrays or vice versa to comply to the provided path |
@@ -154,3 +173,3 @@
 <a name="deep-lib.createPath"></a>
-### deep-lib.createPath(object, path, [force], [offset])
+### deep-lib.createPath(object, path, [offset], [force])
 Creates, if needed, all objects that are part of the provided path hierarchy.
@@ -160,3 +179,3 @@ Paths can combine objects and arrays. On each path depth an Object
 
-Arrays are referenced using either: one of the wildcards "*+" (push), "*" (push), or an integer.
+Arrays are referenced using either: one of the wildcards "\*+" (push), "\*" (push), or an integer.
 If they are the last depth in the path, a null value will be placed at the specified index or added per push to the array.
@@ -175,4 +194,4 @@
 | path | <code>string</code> |  | the object hierarchy to be created |
+| [offset] | <code>string</code> |  | path used to rebase processing to the referenced substructure |
 | [force] | <code>boolean</code> | <code>false</code> | forces the method to change objects in arrays or vice versa to comply to the provided path |
-| [offset] | <code>string</code> |  | path used to rebase the processed object to the referenced subobject |
 
@@ -198,3 +217,3 @@ **Example**
 deep.createPath(a,     'bar.*.*.world', 'foo'); // => {foo: {hello: 'world', bar:[[{world:{}}]]}}
-deep.createPath(a.foo, 'bar.*.*.world');        // => {foo: {hello: 'world', bar:[[{world:{}}]]}}
+deep.createPath(a.foo, 'bar.*.*.world');        // => same as above
 ```
@@ -218,3 +237,3 @@ <a name="deep-lib.define"></a>
 | [options] | <code>[DefinePropertyOptions](#DefinePropertyOptions)</code> | Object.defineProperty options |
-| [offset] | <code>string</code> | path used to rebase the processed object to the referenced subobject |
+| [offset] | <code>string</code> | path used to rebase processing to the referenced substructure |
 
@@ -226,16 +245,16 @@ **Example**
 
-deep.defineProperty(a, 'bar', 42); // => {foo: {hello: 'world'}, bar:42}
-deep.defineProperty(a, 'bar.*', 42); // => {foo: {hello: 'world'}, bar:[42]}
-deep.defineProperty(a, 'bar.0', 42); // => {foo: {hello: 'world'}, bar:[42]}
-deep.defineProperty(a, 'bar.*.world', 42); // => {foo: {hello: 'world'}, bar:[{world:42}]}
-deep.defineProperty(a, 'bar.*.*.world', 42); // => {foo: {hello: 'world'}, bar:[[{world:42}]]}
+deep.define(a, 'bar', 42); // => {foo: {hello: 'world'}, bar:42}
+deep.define(a, 'bar.*', 42); // => {foo: {hello: 'world'}, bar:[42]}
+deep.define(a, 'bar.0', 42); // => {foo: {hello: 'world'}, bar:[42]}
+deep.define(a, 'bar.*.world', 42); // => {foo: {hello: 'world'}, bar:[{world:42}]}
+deep.define(a, 'bar.*.*.world', 42); // => {foo: {hello: 'world'}, bar:[[{world:42}]]}
 
 // used with offset
-deep.defineProperty(a, 'bar.*.*.world', 42, 'foo'); // same as above
+deep.define(a, 'bar.*.*.world', 42, 'foo'); // => {foo: {hello: 'world', bar:[[{world:42}]] }}
 
-// used with options
-deep.defineProperty(a, 'bar.*.*.world', 42, {writable:true}, 'foo'); // same as above
+// used with property options
+deep.define(a, 'bar.*.*.world', 42, {writable:true}, 'foo'); // same as above
 ```
 <a name="deep-lib.delete"></a>
-### deep-lib.delete(object, path) ⇒ <code>\*</code> &#124; <code>undefined</code>
+### deep-lib.delete(object, path, [offset]) ⇒ <code>\*</code> &#124; <code>undefined</code>
 Deletes the referenced property and returns its value
@@ -251,2 +270,3 @@
 | path | <code>string</code> | path referencing the property to be deleted |
+| [offset] | <code>string</code> | path used to rebase processing to the referenced substructure |
 
@@ -275,3 +295,3 @@ **Example**
 | object2 |  | comparison object |
-| [offset] | <code>string</code> | path used to rebase the processed object to the referenced subobject |
+| [offset] | <code>string</code> | path used to rebase processing to the referenced substructure |
 
@@ -300,3 +320,3 @@ **Example**
 | object2 |  |  |
-| [offset] | <code>string</code> | path used to rebase the processed object to the referenced subobject |
+| [offset] | <code>string</code> | path used to rebase processing to the referenced substructure |
 
@@ -324,3 +344,3 @@ **Example**
 | object |  | object to be crawled |
-| [offset] | <code>string</code> | path used to rebase the processed object to the referenced subobject |
+| [offset] | <code>string</code> | path used to rebase processing to the referenced substructure |
 
@@ -336,3 +356,3 @@ **Example**
 <a name="deep-lib.move"></a>
-### deep-lib.move(object, oldPath, newPath)
+### deep-lib.move(object, oldPath, newPath, [offset])
 Moves a property or subobject within the provided object
@@ -348,2 +368,3 @@
 | newPath | <code>string</code> | path to the new property |
+| [offset] | <code>string</code> | path used to rebase processing to the referenced substructure |
 
@@ -371,3 +392,3 @@ **Example**
 | regex | <code>RegExp</code> | a regular expression |
-| [offset] | <code>string</code> | path used to rebase the processed object to the referenced subobject |
+| [offset] | <code>string</code> | path used to rebase processing to the referenced substructure |
 
@@ -384,3 +405,3 @@ **Example**
 <a name="deep-lib.select"></a>
-### deep-lib.select(object, [path]) ⇒ <code>\*</code> &#124; <code>undefined</code>
+### deep-lib.select(object, [path], [offset]) ⇒ <code>\*</code> &#124; <code>undefined</code>
 Returns the value referenced by the provided path
@@ -397,2 +418,3 @@ or `undefined` if some element of the path does not exist
 | [path] | <code>string</code> | path to some substructure, array wildcards are not allowed in it |
+| [offset] | <code>string</code> | path used to rebase processing to the referenced substructure |
 
@@ -408,5 +430,8 @@ **Example**
 deep.select(a, 'foo.bad'); // => undefined
+
+// with offset
+deep.select(a, 'hello', 'foo'); // => 'world'
 ```
 <a name="deep-lib.update"></a>
-### deep-lib.update(object, path, value, [ignoreUnknownProperties])
+### deep-lib.update(object, path, value, [offset], [ignoreUnknownProperties])
 Updates a property/value pair in the parent object,
@@ -425,2 +450,3 @@ if the path elements does not exist, the method will throw an error.
 | value | <code>\*</code> |  | value to be assigned to the created property |
+| [offset] | <code>string</code> |  | path used to rebase processing to the referenced substructure |
 | [ignoreUnknownProperties] | <code>boolean</code> | <code>false</code> | if set to true, update will ignore errors caused by unknown properties and fail silently |
@@ -431,11 +457,10 @@
 var deep = require('deep-lib');
-var a    = {foo: {hello: 'world'}};
+var a    = {foo: {hello: 'world'}, bar: ['one', 'two']};
 
-deep.update(a, 'foo.*.hello', 'mundo');         // array wildcard   => error;
-deep.update(a, 'ciao', 'mondo');                // unknown property => error;
-deep.update(a, 'ciao', 'mondo', true);          // unknown property => silent fail, no change;
-deep.create(a, 'some.deep.path.hallo', 'Welt'); // unknown property => error;
-deep.create(a, 'foo.hallo');                    // no value         => no change;
-deep.create(a, 'foo.hallo', 'developer');       // update           => success;
-deep.create(a.foo, 'hallo', 'developer');       // update           => success;
+deep.update(a, 'foo.hallo');              // no value         => no change;
+deep.update(a, 'foo.hallo', 'developer'); // update           => success;
+deep.update(a, 'bar.1', 'mundo');         // update           => success;
+deep.update(a, 'bar.*', 'mundo');         // array wildcard   => error;
+deep.update(a, 'ciao', 'mondo');          // unknown property => error;
+deep.update(a, 'ciao', 'mondo', true);    // unknown property => silent fail, no change;
 ```
@@ -447,7 +472,3 @@ <a name="DefinePropertyOptions"></a>
 **Kind**: global typedef  
-**See**
-
-- [https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/defineProperty](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/defineProperty)
-- [https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Assignment_Operators](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Assignment_Operators)
-
+**See**: {https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/defineProperty#Description}  
 **Properties**
@@ -454,0 +475,0 @@

lib/deep-lib.js

@@ -9,7 +9,25 @@ /*jslint node: true */
  *
- * All provided methods accept a `path` and/or an `offset` arguments referencing some substructure/value in the data.
- * - If `offset` is provided, object will be rebased to the referenced subobject that will become the processing subject.
- * - If `path` is provided, it references the object that will be processed. If `offset` was also provided, it is the starting point of the `path`.
+ * All provided methods accept a `path` and/or an `offset` arguments referencing some substructure or value in the data.
+ * - If `path` is provided, it references the object that will be processed.
+ * - If `offset` is provided, it sets the root point in the object for the resolving of the `path` argument.
  *
  * @namespace deep-lib
+ *
+ * @example
+ *
+ * // path: 'foo'
+ * // |root |referenced substructure
+ *   {foo: {hello: 'world'}, hello: 'Mundo'};
+ *
+ * // path: 'hello'
+ * // |root                          |referenced value
+ *   {foo: {hello: 'world'}, hello: 'Mundo'};
+ *
+ * // path: 'foo.hello'
+ * // |root         |referenced value
+ *   {foo: {hello: 'world'}, hello: 'Mundo'};
+ *
+ * // path: 'hello' & offset: 'foo'
+ * //       |root   |referenced value
+ *   {foo: {hello: 'world'}, hello: 'Mundo'};
  */
@@ -16,0 +34,0 @@

lib/methods/clone.js

@@ -9,3 +9,3 @@ /*jslint node: true */
  * Returns a deep clone of the provided object.
- * If a path is provided, the method will return
+ * If a `offset` is provided, the method will return
  * a clone of the referenced substructure, property value or undefined
@@ -20,3 +20,3 @@ * should the path be unknown.
  * @param {object} object object to be cloned
- * @param {string} [offset] path used to rebase the processed object to the referenced subobject
+ * @param {string} [offset] path used to rebase processing to the referenced substructure
  *
@@ -29,4 +29,4 @@ * @returns {*|undefined} a structure, a value or undefined
  *
- * var b    = deep.clone(a); // => {foo: {hello: 'world'}}
- * var c    = deep.clone(a,'foo'); // => {hello: 'world'}
+ * var b    = deep.clone(a);             // => {foo: {hello: 'world'}}
+ * var c    = deep.clone(a,'foo');       // => {hello: 'world'}
  * var d    = deep.clone(a,'foo.world'); // => 'world'
@@ -33,0 +33,0 @@ */

lib/methods/create.js

@@ -24,2 +24,3 @@ /*jslint node: true */
  * @param {*} value value to be assigned to the created property
+ * @param {string} [offset] path used to rebase processing to the referenced substructure
  * @param {boolean} [force=false] forces the method to change objects in arrays or vice versa to comply to the provided path
@@ -37,3 +38,14 @@ *
  */
-exports.create = function create (object, path, value, force) {
+exports.create = function create (object, path, value, offset, force) {
+
+  if (typeof offset === 'boolean') {
+    force  = offset;
+    offset = '';
+  }
+
+  if (offset) {
+    // rebase object using provided offset
+    object = select(object, offset);
+  }
+
   if (value !== undefined) {
@@ -45,4 +57,4 @@
 
-    return path;
+    return (offset ? offset + tools.sep + path : path);
   }
 };

lib/methods/createPath.js

@@ -42,3 +42,3 @@ /*jslint node: true */
  *
- * Arrays are referenced using either: one of the wildcards "*+" (push), "*" (push), or an integer.
+ * Arrays are referenced using either: one of the wildcards "\*+" (push), "\*" (push), or an integer.
  * If they are the last depth in the path, a null value will be placed at the specified index or added per push to the array.
@@ -53,4 +53,4 @@ *
  * @param {string} path the object hierarchy to be created
+ * @param {string} [offset] path used to rebase processing to the referenced substructure
  * @param {boolean} [force=false] forces the method to change objects in arrays or vice versa to comply to the provided path
- * @param {string} [offset] path used to rebase the processed object to the referenced subobject
  *
@@ -77,9 +77,9 @@ * @todo should return the created path
  * deep.createPath(a,     'bar.*.*.world', 'foo'); // => {foo: {hello: 'world', bar:[[{world:{}}]]}}
- * deep.createPath(a.foo, 'bar.*.*.world');        // => {foo: {hello: 'world', bar:[[{world:{}}]]}}
+ * deep.createPath(a.foo, 'bar.*.*.world');        // => same as above
  */
-exports.createPath = function createPath (object, path, force, offset) {
+exports.createPath = function createPath (object, path, offset, force) {
 
-  if (typeof force === 'string') {
-    offset = force;
-    force  = false;
+  if (typeof offset === 'boolean') {
+    force  = offset;
+    offset = null;
   }
@@ -86,0 +86,0 @@

lib/methods/define.js

@@ -30,4 +30,3 @@ /*jslint node: true */
  *
- * @see {@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/defineProperty}
- * @see {@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Assignment_Operators}
+ * @see {https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/defineProperty#Description}
  */
@@ -47,3 +46,3 @@
  * @param {DefinePropertyOptions} [options] Object.defineProperty options
- * @param {string} [offset] path used to rebase the processed object to the referenced subobject
+ * @param {string} [offset] path used to rebase processing to the referenced substructure
  *
@@ -56,13 +55,13 @@ * @todo should return the created path
  *
- * deep.defineProperty(a, 'bar', 42); // => {foo: {hello: 'world'}, bar:42}
- * deep.defineProperty(a, 'bar.*', 42); // => {foo: {hello: 'world'}, bar:[42]}
- * deep.defineProperty(a, 'bar.0', 42); // => {foo: {hello: 'world'}, bar:[42]}
- * deep.defineProperty(a, 'bar.*.world', 42); // => {foo: {hello: 'world'}, bar:[{world:42}]}
- * deep.defineProperty(a, 'bar.*.*.world', 42); // => {foo: {hello: 'world'}, bar:[[{world:42}]]}
+ * deep.define(a, 'bar', 42); // => {foo: {hello: 'world'}, bar:42}
+ * deep.define(a, 'bar.*', 42); // => {foo: {hello: 'world'}, bar:[42]}
+ * deep.define(a, 'bar.0', 42); // => {foo: {hello: 'world'}, bar:[42]}
+ * deep.define(a, 'bar.*.world', 42); // => {foo: {hello: 'world'}, bar:[{world:42}]}
+ * deep.define(a, 'bar.*.*.world', 42); // => {foo: {hello: 'world'}, bar:[[{world:42}]]}
  *
  * // used with offset
- * deep.defineProperty(a, 'bar.*.*.world', 42, 'foo'); // same as above
+ * deep.define(a, 'bar.*.*.world', 42, 'foo'); // => {foo: {hello: 'world', bar:[[{world:42}]] }}
  *
- * // used with options
- * deep.defineProperty(a, 'bar.*.*.world', 42, {writable:true}, 'foo'); // same as above
+ * // used with property options
+ * deep.define(a, 'bar.*.*.world', 42, {writable:true}, 'foo'); // same as above
  */
@@ -69,0 +68,0 @@ exports.define = function define (object, path, value, options, offset) {

lib/methods/delete.js

@@ -17,2 +17,3 @@ /*jslint node: true */
  * @param {string} path path referencing the property to be deleted
+ * @param {string} [offset] path used to rebase processing to the referenced substructure
  *
@@ -28,3 +29,9 @@ * @returns {*|undefined} value of the deleted property or false if not found
  */
-exports.delete = function deepDelete (object, path) {
+exports.delete = function deepDelete (object, path, offset) {
+
+  if (offset) {
+    // rebase object using provided offset
+    object = select(object, offset);
+  }
+
   var propertyName = path;
@@ -31,0 +38,0 @@

lib/methods/diff.js

@@ -19,3 +19,3 @@ /*jslint node: true */
  * @param object2 comparison object
- * @param {string} [offset] path used to rebase the processed object to the referenced subobject
+ * @param {string} [offset] path used to rebase processing to the referenced substructure
  *
@@ -22,0 +22,0 @@ * @returns {object[]|undefined} returns a diff object or `undefined` if both object are deeply equal

lib/methods/equal.js

@@ -19,3 +19,3 @@ /*jslint node: true */
  * @param object2
- * @param {string} [offset] path used to rebase the processed object to the referenced subobject
+ * @param {string} [offset] path used to rebase processing to the referenced substructure
  *
@@ -22,0 +22,0 @@ * @returns {boolean} if objects are equal `true` if unequal `false`

lib/methods/getPaths.js

@@ -16,3 +16,3 @@ /*jslint node: true */
  * @param object object to be crawled
- * @param {string} [offset] path used to rebase the processed object to the referenced subobject
+ * @param {string} [offset] path used to rebase processing to the referenced substructure
  *
@@ -19,0 +19,0 @@ * @returns {string[]} a list of all paths found in the provided object

lib/methods/move.js

@@ -19,2 +19,3 @@ /*jslint node: true */
  * @param {string} newPath path to the new property
+ * @param {string} [offset] path used to rebase processing to the referenced substructure
  *
@@ -28,3 +29,9 @@ * @example
  */
-exports.move = function deepMove (object, oldPath, newPath) {
+exports.move = function deepMove (object, oldPath, newPath, offset) {
+
+  if (offset) {
+    // rebase object using provided offset
+    object = deepSelect(object, offset);
+  }
+
   var value = deepSelect(object, oldPath);
@@ -31,0 +38,0 @@

lib/methods/search.js

@@ -18,3 +18,3 @@ /*jslint node: true */
  * @param {RegExp} regex a regular expression
- * @param {string} [offset] path used to rebase the processed object to the referenced subobject
+ * @param {string} [offset] path used to rebase processing to the referenced substructure
  *
@@ -21,0 +21,0 @@ * @returns {string[]} an array of strings or an empty array if no match was found

lib/methods/select.js

@@ -21,2 +21,3 @@ /*jslint node: true */
  * @param {string} [path] path to some substructure, array wildcards are not allowed in it
+ * @param {string} [offset] path used to rebase processing to the referenced substructure
  *
@@ -33,5 +34,14 @@ * @returns {*|undefined} the referenced value or `undefined`
  * deep.select(a, 'foo.bad'); // => undefined
+ *
+ * // with offset
+ * deep.select(a, 'hello', 'foo'); // => 'world'
+ *
  */
-exports.select = function select (object, path) {
+exports.select = function select (object, path, offset) {
 
+  if (offset) {
+    // rebase object using provided offset
+    object = select(object, offset);
+  }
+
   if (tools.pathIncludesArrayWildcards(path)) {
@@ -38,0 +48,0 @@ // this is an update method: only plain path are allowed, nothing should be created

lib/methods/update.js

@@ -26,2 +26,3 @@ /*jslint node: true */
  * @param {*} value value to be assigned to the created property
+ * @param {string} [offset] path used to rebase processing to the referenced substructure
  * @param {boolean} [ignoreUnknownProperties=false] if set to true, update will ignore errors caused by unknown properties and fail silently
@@ -31,14 +32,23 @@ *
  * var deep = require('deep-lib');
- * var a    = {foo: {hello: 'world'}};
+ * var a    = {foo: {hello: 'world'}, bar: ['one', 'two']};
  *
- * deep.update(a, 'foo.*.hello', 'mundo');         // array wildcard   => error;
- * deep.update(a, 'ciao', 'mondo');                // unknown property => error;
- * deep.update(a, 'ciao', 'mondo', true);          // unknown property => silent fail, no change;
- * deep.create(a, 'some.deep.path.hallo', 'Welt'); // unknown property => error;
- * deep.create(a, 'foo.hallo');                    // no value         => no change;
- * deep.create(a, 'foo.hallo', 'developer');       // update           => success;
- * deep.create(a.foo, 'hallo', 'developer');       // update           => success;
+ * deep.update(a, 'foo.hallo');              // no value         => no change;
+ * deep.update(a, 'foo.hallo', 'developer'); // update           => success;
+ * deep.update(a, 'bar.1', 'mundo');         // update           => success;
+ * deep.update(a, 'bar.*', 'mundo');         // array wildcard   => error;
+ * deep.update(a, 'ciao', 'mondo');          // unknown property => error;
+ * deep.update(a, 'ciao', 'mondo', true);    // unknown property => silent fail, no change;
  */
-exports.update = function update (object, path, value, ignoreUnknownProperties) {
+exports.update = function update (object, path, value, offset, ignoreUnknownProperties) {
 
+  if (typeof offset === 'boolean') {
+    ignoreUnknownProperties  = offset;
+    offset = null;
+  }
+
+  if (offset) {
+    // rebase object using provided offset
+    object = select(object, offset);
+  }
+
   // convert to boolean
@@ -45,0 +55,0 @@ ignoreUnknownProperties = !!ignoreUnknownProperties;

npm-shrinkwrap.json

 {
   "name": "deep-lib",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "dependencies": {
@@ -5,0 +5,0 @@ "clone": {

package.json

 {
   "name": "deep-lib",
   "license": "MIT",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "homepage": "https://github.com/CoderSyndicate/deep-lib",
   "author": "https://github.com/CoderSyndicate/deep-lib/graphs/contributors",
-  "description": "Enables to manipulate data and its substructures using dot separated property paths",
+  "description": "Enables to manipulate data and its substructures using dot separated property paths and methods to create, update, delete, select, move, search, check equality, check diff, ...",
   "keywords": [
@@ -9,0 +9,0 @@ "object",

README.md

@@ -12,3 +12,4 @@ # deep-lib
 
-Enables to manipulate data and its substructures using dot separated property paths.
+Enables to manipulate data and its substructures using dot separated property paths and
+methods to create, update, delete, select, move, search, check equality, check diff, ... (see [API.md](API.md))
 
@@ -24,76 +25,23 @@
 
+## Usage
 
-### Require module
+All provided methods accept a `path` and/or an `offset` arguments referencing some substructure or value in the data.
 
-    var deep = require('deep-lib');
+- If `path` is provided, it references the object that will be processed.
+- If `offset` is provided, it sets the root point in the object for the resolving of the `path` argument.
 
-
-## Usage
-
-All provided methods accept a `path` property referencing some substructure/value in the data.
-If `path` is provided, the called method will be applied to the referenced substructure.
-
 The full API documentation can be found in the [API.md](API.md)
 
-### clone
+    var deep = require('deep-lib');
+    var a    = {foo: {hello: 'world'}, some: 'thing'};
+    
+    deep.select(a);                 // => {foo: {hello: 'world'}, some: 'thing'};
+    deep.select(a, 'foo');          // => {hello: 'world'}
+    deep.select(a, 'foo.hello');    // => 'world'
+    deep.select(a, 'foo.bad');      // => undefined
+    
+    // with offset
+    deep.select(a, 'hello', 'foo'); // => 'world'
 
-Clones the referenced substructure/value.
-If no `path` is provided, the whole object is cloned.
 
-### select
-
-Returns the referenced substructure/value or undefined if it was not found.
-
-### defineProperty
-
-Makes [Object.defineProperty()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/defineProperty) available to deep referencing.
-
-Adds a new substructure/value to the location specified with the `path`.
-If structures in the `path` do not exist, the method will create them in order to fulfil the task.
-
-### create
-
-Adds a new substructure/value to the location specified with the `path`.
-If structures in the `path` do not exist, the method will create them in order to fulfil the task.
-
-### update
-
-Adds a new substructure/value to the location specified with the `path`.
-
-### move
-
-Moves a substructure/value to a new `path` without breaking the object reference.
-
-### delete
-
-Deletes the referenced property, returning its value or undefined if it was not found.
-
-### equal
-
-Uses the [deep-equal](https://www.npmjs.com/package/deep-equal) package.
-
-Returns true if the compared objects strictly equals each other.
-
-### diff
-
-Uses the [deep-diff](https://www.npmjs.com/package/deep-diff) package.
-
-### createPaths
-
-Create the object hierarchy if needed.
-
-### getPaths
-
-Returns all available paths to all values in the object.
-
-### tools.parent
-
-Returns the parent part of a path (like unix dirname).
-
-### tools.property
-
-Returns the property part of a path (like unix basename).
-
-
-
 -------------------
@@ -100,0 +48,0 @@ Copyright (c) 2015 Luscus ([e-mail])

reports/converage.json

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test/unit/deep-lib.spec.js

@@ -13,2 +13,1 @@ /* jshint node:true */
 var data     = require('../object.json');
-

test/unit/methods/create.spec.js

@@ -51,2 +51,14 @@ /* jshint node:true */
 
+  it('should support the "offset" argument', function() {
+    var clone = deep.clone(data);
+
+    var realPath = deep.create(clone, 'sites.*', 'Gibraltar', 'countries.spain');
+
+    var diff = diffLib(data, clone);
+
+    expect(clone).to.not.deep.equal(data);
+    expect(diff).to.deep.equal([{"kind":"A","path":["countries","spain","sites"],"index":2,"item":{"kind":"N","rhs":"Gibraltar"}}]);
+    expect(realPath).to.deep.equal('countries.spain.sites.2');
+  });
+
   var clone = deep.clone(data);
@@ -53,0 +65,0 @@ var paris = {

test/unit/methods/createPath.spec.js

@@ -36,3 +36,3 @@ /* jshint node:true */
 
-          var realPath = deep.createPath(clone, test.path, test.force, test.offset);
+          var realPath = deep.createPath(clone, test.path, test.offset, test.force);
 
@@ -39,0 +39,0 @@ var diff = diffLib(data, clone);

test/unit/methods/delete.spec.js

@@ -11,2 +11,3 @@ /* jshint node:true */
 var expect   = require('chai').expect;
+var diffLib  = require('deep-diff');
 var deep     = require('../../../lib/deep-lib');
@@ -54,2 +55,14 @@ var data     = require('../../object.json');
 
+  it('should support the "offset" argument', function() {
+    var clone = deep.clone(data);
+
+    var value = deep.delete(clone, 'sites.1', 'countries.spain');
+
+    var diff = diffLib(data, clone);
+
+    expect(clone).to.not.deep.equal(data);
+    expect(diff).to.deep.equal([{"kind":"A","path":["countries","spain","sites"],"index":1,"item":{"kind":"D","lhs":"Cabo de Gata"}}]);
+    expect(value).to.deep.equal('Cabo de Gata');
+  });
+
   it('should return undefined for unknown deep values', function() {
@@ -56,0 +69,0 @@ var levels = ['fully', 'unknown', 'deep', 'value'];

test/unit/methods/move.spec.js

@@ -11,2 +11,3 @@ /* jshint node:true */
 var expect   = require('chai').expect;
+var diffLib  = require('deep-diff');
 var deep     = require('../../../lib/deep-lib');
@@ -16,57 +17,83 @@ var data     = require('../../object.json');
 describe('[' + __filename.substring(__filename.indexOf('/test/') + 1) + '] - move ', function() {
-  var clone = deep.clone(data);
 
   it('should move a deep structure', function() {
+    var clone = deep.clone(data);
+
     var oldPath = 'countries.germany';
     var newPath = 'countries.france';
 
-    var moved = deep.select(clone, oldPath);
-
     deep.move(clone, oldPath, newPath);
-    var empty   = deep.select(clone, oldPath);
-    var control = deep.select(clone, newPath);
-    var value   = deep.select(data, oldPath);
 
-    expect(empty).to.equal(undefined);
-    expect(control).to.deep.equal(value);
-    expect(control).to.equal(moved);
+    var diff = diffLib(data, clone);
+
+    expect(clone).to.not.deep.equal(data);
+    expect(diff).to.deep.equal([{"kind":"D","path":["countries","germany"],"lhs":{"towns":{"capital":"berlin","berlin":{"name":"Berlin","population":3562166,"area":891.85},"hamburg":{"name":"Hamburg","population":1751775,"area":755}}}},{"kind":"N","path":["countries","france"],"rhs":{"towns":{"capital":"berlin","berlin":{"name":"Berlin","population":3562166,"area":891.85},"hamburg":{"name":"Hamburg","population":1751775,"area":755}}}}]);
   });
 
   it('should move an array element to a different array', function() {
+    var clone = deep.clone(data);
+
     var oldPath = 'countries.spain.sites.0';
     var newPath = 'countries.france.sites.0';
 
-    var moved = deep.select(clone, oldPath);
-
     deep.move(clone, oldPath, newPath);
-    var nextElement = deep.select(clone, oldPath);
-    var control     = deep.select(clone, newPath);
-    var original    = deep.select(data, oldPath);
 
-    expect(nextElement).to.equal('Cabo de Gata');
-    expect(control).to.deep.equal(original);
-    expect(control).to.equal(moved);
+    var diff = diffLib(data, clone);
+
+    expect(clone).to.not.deep.equal(data);
+    expect(diff).to.deep.equal([{"kind":"E","path":["countries","spain","sites",0],"lhs":"Alhambra","rhs":"Cabo de Gata"},{"kind":"A","path":["countries","spain","sites"],"index":1,"item":{"kind":"D","lhs":"Cabo de Gata"}},{"kind":"N","path":["countries","france"],"rhs":{"sites":["Alhambra"]}}]);
   });
 
   it('should move an array element to an object', function() {
+    var clone = deep.clone(data);
+
     var oldPath = 'countries.spain.sites.0';
     var newPath = 'countries.spain.bestSite';
 
-    var moved = deep.select(clone, oldPath);
-
     deep.move(clone, oldPath, newPath);
-    var empty   = deep.select(clone, oldPath);
-    var control = deep.select(clone, newPath);
 
-    expect(empty).to.equal(undefined);
-    expect(control).to.equal(moved);
+    var diff = diffLib(data, clone);
+
+    expect(clone).to.not.deep.equal(data);
+    expect(diff).to.deep.equal([{"kind":"E","path":["countries","spain","sites",0],"lhs":"Alhambra","rhs":"Cabo de Gata"},{"kind":"A","path":["countries","spain","sites"],"index":1,"item":{"kind":"D","lhs":"Cabo de Gata"}},{"kind":"N","path":["countries","spain","bestSite"],"rhs":"Alhambra"}]);
   });
 
   it('should move a deep value', function() {
-    deep.create(clone, 'countries.france.towns.capital', 'hamburg');
-    var control = deep.select(clone, 'countries.france.towns.capital');
+    var clone = deep.clone(data);
 
+    var oldPath = 'countries.germany.towns.capital';
+    var newPath = 'countries.france.towns.capital';
 
-    expect(control).to.equal('hamburg');
+    deep.move(clone, oldPath, newPath);
+
+    var diff = diffLib(data, clone);
+
+    expect(clone).to.not.deep.equal(data);
+    expect(diff).to.deep.equal([{"kind":"D","path":["countries","germany","towns","capital"],"lhs":"berlin"},{"kind":"N","path":["countries","france"],"rhs":{"towns":{"capital":"berlin"}}}]);
   });
+
+  it('should do nothing if "oldPath" does not exist', function() {
+    var clone = deep.clone(data);
+
+    var oldPath = 'countries.usa';
+    var newPath = 'countries.france.towns.capital';
+
+    deep.move(clone, oldPath, newPath);
+
+    expect(clone).to.deep.equal(data);
+  });
+
+  it('should support the "offset" argument', function() {
+    var clone = deep.clone(data);
+
+    var oldPath = 'spain.sites.0';
+    var newPath = 'spain.bestSite';
+
+    deep.move(clone, oldPath, newPath, 'countries');
+
+    var diff = diffLib(data, clone);
+
+    expect(clone).to.not.deep.equal(data);
+    expect(diff).to.deep.equal([{"kind":"E","path":["countries","spain","sites",0],"lhs":"Alhambra","rhs":"Cabo de Gata"},{"kind":"A","path":["countries","spain","sites"],"index":1,"item":{"kind":"D","lhs":"Cabo de Gata"}},{"kind":"N","path":["countries","spain","bestSite"],"rhs":"Alhambra"}]);
+  });
 });

test/unit/methods/select.spec.js

@@ -53,2 +53,9 @@ /* jshint node:true */
 
+  it('should support the "offset" argument', function() {
+    var value   = deep.select(clone, 'sites.1', 'countries.spain');
+    var control = deep.select(data, 'countries.spain.sites.1');
+
+    expect(value).to.deep.equal(control);
+  });
+
   it('should return undefined for unknown deep values', function() {
@@ -55,0 +62,0 @@ var levels = ['fully', 'unknown', 'deep', 'value'];

test/unit/methods/update.spec.js

@@ -100,2 +100,14 @@ /* jshint node:true */
     });
+
+    it('should support the "offset" argument', function() {
+        var clone = deep.clone(data);
+
+        deep.update(clone, 'sites.1', 'Mojacar', 'countries.spain');
+
+        var diff = diffLib(data, clone);
+        console.log(JSON.stringify(diff));
+
+        expect(clone).to.not.deep.equal(data);
+        expect(diff).to.deep.equal([{"kind":"E","path":["countries","spain","sites",1],"lhs":"Cabo de Gata","rhs":"Mojacar"}]);
+    });
 });

Fixed alerts

Major refactor

Supply chain risk

Package has recently undergone a major refactor. It may be unstable or indicate significant internal changes. Use caution when updating to versions that include significant changes.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

130659

increased by5.62%

Lines of code

1972

increased by5.96%

Number of medium supply chain risk alerts

0

decreased by-100%

Worsened metrics

Number of lines in readme file

53

decreased by-49.52%

No dependency changes