nedb - npm Package Compare versions

Comparing version 1.7.3 to 1.7.4

lib/model.js

@@ -389,2 +389,24 @@ /**
 
+/**
+ * Updates the value of the field, only if specified field is greater than the current value of the field
+ */
+lastStepModifierFunctions.$max = function (obj, field, value) {
+  if (typeof obj[field] === 'undefined') {
+    obj[field] = value;
+  } else if (value > obj[field]) {
+    obj[field] = value;
+  }
+};
+
+/**
+ * Updates the value of the field, only if specified field is smaller than the current value of the field
+ */
+lastStepModifierFunctions.$min = function (obj, field, value) {
+  if (typeof obj[field] === 'undefined') { 
+    obj[field] = value;
+  } else if (value < obj[field]) {
+    obj[field] = value;
+  }
+};
+
 // Given its name, create the complete modifier function
@@ -391,0 +413,0 @@ function createModifierFunction (modifier) {

package.json

 {
   "name": "nedb",
-  "version": "1.7.3",
+  "version": "1.7.4",
   "author": {
@@ -5,0 +5,0 @@ "name": "Louis Chatriot",

README.md

@@ -435,3 +435,3 @@ <img src="http://i.imgur.com/9O1xHFb.png" style="width: 25%; height: 25%; float: left;">
   * A new document will replace the matched docs
-  * The modifiers create the fields they need to modify if they don't exist, and you can apply them to subdocs. Available field modifiers are `$set` to change a field's value, `$unset` to delete a field and `$inc` to increment a field's value. To work on arrays, you have `$push`, `$pop`, `$addToSet`, `$pull`, and the special `$each` and `$slice`. See examples below for the syntax.
+  * The modifiers create the fields they need to modify if they don't exist, and you can apply them to subdocs. Available field modifiers are `$set` to change a field's value, `$unset` to delete a field, `$inc` to increment a field's value and `$min`/`$max` to change field's value, only if provided value is less/greater than current value. To work on arrays, you have `$push`, `$pop`, `$addToSet`, `$pull`, and the special `$each` and `$slice`. See examples below for the syntax.
 * `options` is an object with two possible parameters
@@ -544,2 +544,13 @@ * `multi` (defaults to `false`) which allows the modification of several documents if set to true
 });
+
+// $min/$max to update only if provided value is less/greater than current value
+// Let's say the database contains this document
+// doc = { _id: 'id', name: 'Name', value: 5 }
+db.update({ _id: 'id1' }, { $min: { value: 2 } }, {}, function () {
+  // The document will be updated to { _id: 'id', name: 'Name', value: 2 }
+});
+
+db.update({ _id: 'id1' }, { $min: { value: 8 } }, {}, function () {
+  // The document will not be modified
+});
 ```
@@ -546,0 +557,0 @@

No alert changes

Improved metrics

Total package byte prevSize

1289303

increased by0.32%

Lines of code

28876

increased by0.26%

Number of lines in readme file

712

increased by1.57%

No dependency changes