mquery - npm Package Compare versions

Comparing version 3.0.1 to 3.1.0

History.md

@@ -0,1 +1,7 @@
+3.1.0 / 2018-07-29
+==================
+ * feat: add `readConcern()` helper #105 [Fonger](https://github.com/Fonger)
+ * feat: add `maxTimeMS()` as alias of `maxTime()` #105 [Fonger](https://github.com/Fonger)
+ * feat: add `collation()` helper #105 [Fonger](https://github.com/Fonger)
+
 3.0.1 / 2018-07-02
@@ -2,0 +8,0 @@ ==================

lib/utils.js

@@ -214,3 +214,42 @@ 'use strict';
 
+
 /**
+ * Read Concern helper (mongo 3.2 drivers support this)
+ *
+ * Allows using string to specify read concern level:
+ *
+ *     local          3.2+
+ *     available      3.6+
+ *     majority       3.2+
+ *     linearizable   3.4+
+ *     snapshot       4.0+
+ *
+ * @param {String} readConcern
+ */
+
+exports.readConcern = function readConcern (concern) {
+  if ('string' === typeof concern) {
+    switch (concern) {
+      case 'l':
+        concern = 'local'
+        break;
+      case 'a':
+        concern = 'available';
+        break;
+      case 'm':
+        concern = 'majority';
+        break;
+      case 'lz':
+        concern = 'linearizable';
+        break;
+      case 's':
+        concern = 'snapshot';
+        break;
+    }
+    concern = { level: concern }
+  }
+  return concern
+}
+
+/**
  * Object.prototype.toString.call helper
@@ -307,3 +346,3 @@ */
 exports.cloneBuffer = function (buff) {
-  var dupe = new Buffer(buff.length);
+  var dupe = Buffer.alloc(buff.length);
   buff.copy(dupe, 0, 0, buff.length);
@@ -310,0 +349,0 @@ return dupe;

package.json

 {
   "name": "mquery",
-  "version": "3.0.1",
+  "version": "3.1.0",
   "description": "Expressive query building for MongoDB",
@@ -5,0 +5,0 @@ "main": "lib/mquery.js",

README.md

@@ -87,2 +87,3 @@ # mquery
 - [batchSize](#batchsize)
+- [collation](#collation)
 - [comment](#comment)
@@ -93,5 +94,7 @@ - [hint](#hint)
 - [maxTime](#maxtime)
+- [maxTimeMS](#maxtime)
 - [skip](#skip)
 - [sort](#sort)
 - [read](#read)
+- [readConcern](#readconcern)
 - [slaveOk](#slaveok)
@@ -826,2 +829,12 @@ - [snapshot](#snapshot)
 
+### collation()
+
+Specifies the collation option.
+
+```js
+query.collation({ locale: "en_US", strength: 1 })
+```
+
+[MongoDB documentation](https://docs.mongodb.com/manual/reference/method/cursor.collation/#cursor.collation)
+
 ### comment()
@@ -881,2 +894,3 @@
 query.maxTime(100)
+query.maxTimeMS(100)
 ```
@@ -971,2 +985,42 @@
 
+
+### readConcern()
+
+Sets the readConcern option for the query.
+
+```js
+mquery().readConcern('local')
+mquery().readConcern('l')  // same as local
+
+mquery().readConcern('available')
+mquery().readConcern('a')  // same as available
+
+mquery().readConcern('majority')
+mquery().readConcern('m')  // same as majority
+
+mquery().readConcern('linearizable')
+mquery().readConcern('lz') // same as linearizable
+
+mquery().readConcern('snapshot')
+mquery().readConcern('s')  // same as snapshot
+```
+
+##### Read Concern Level:
+
+- `local` - The query returns from the instance with no guarantee guarantee that the data has been written to a majority of the replica set members (i.e. may be rolled back). (MongoDB 3.2+)
+- `available` - The query returns from the instance with no guarantee guarantee that the data has been written to a majority of the replica set members (i.e. may be rolled back). (MongoDB 3.6+)
+- `majority` - The query returns the data that has been acknowledged by a majority of the replica set members. The documents returned by the read operation are durable, even in the event of failure. (MongoDB 3.2+)
+- `linearizable` - Read from a secondary if available, otherwise read from the primary. (MongoDB 3.4+)
+- `snapshot` - The query returns data that reflects all successful majority-acknowledged writes that completed prior to the start of the read operation. The query may wait for concurrently executing writes to propagate to a majority of replica set members before returning results. (MongoDB 4.0+)
+
+Aliases
+
+- `l`   local
+- `a`   available
+- `m`   majority
+- `lz`  linearizable
+- `s`   snapshot
+
+Read more about how to use read concern [here](https://docs.mongodb.com/manual/reference/read-concern/).
+
 ### slaveOk()
@@ -973,0 +1027,0 @@

test/utils.test.js

@@ -106,3 +106,3 @@
 
-      var buf = new Buffer('hi');
+      var buf = Buffer.from('hi');
       var binary= new mongo.Binary(buf, 2);
@@ -133,3 +133,3 @@ var clone = utils.clone(binary);
     it('handles buffers', function(done){
-      var buff = new Buffer(10);
+      var buff = Buffer.alloc(10);
       buff.fill(1);
@@ -136,0 +136,0 @@ var clone = utils.clone(buff);

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234412

increased by3.08%

Lines of code

6123

increased by2.43%

Number of lines in readme file

1274

increased by4.43%

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