@matrixai/db - npm Package Compare versions

Comparing version 4.0.2 to 4.0.4

dist/DB.js

@@ -282,4 +282,3 @@ "use strict";
         if (options_.lt == null && options_.lte == null) {
-            const levelKeyStart = utils.levelPathToKey(levelPath);
-            const levelKeyEnd = Buffer.from(levelKeyStart);
+            const levelKeyEnd = utils.levelPathToKey(levelPath);
             levelKeyEnd[levelKeyEnd.length - 1] += 1;
@@ -286,0 +285,0 @@ options_.lt = levelKeyEnd;

dist/utils.d.ts

@@ -5,4 +5,3 @@ /// <reference types="node" />
  * Separator is a single null byte
- * During iteration acquiring a sublevel requires iterating
- * between 0x00 and 0x01
+ * This special symbol must not appear in the encoded parts
  */
@@ -12,2 +11,3 @@ declare const sep: Buffer;
  * Encode level or key part using base 128 encoding
+ * Empty parts are encoded with the special empty symbol
  */
@@ -17,2 +17,3 @@ declare function encodePart(part: Buffer): Buffer;
  * Decode level or key part from base 128
+ * The special empty symbol is decoded as an empty buffer
  */
@@ -46,3 +47,3 @@ declare function decodePart(data: Buffer): Buffer;
  *   levels => level:l levels:ls -> [l, ...ls] | '' -> []
- *   level => sep .*?:l (?<!escape) sep (?>.*) -> l
+ *   level => sep .*?:l sep -> l
  *   sep => 0x00
@@ -49,0 +50,0 @@ *   keyActual => .*:k -> [k]

dist/utils.js

@@ -30,17 +30,25 @@ "use strict";
  * Separator is a single null byte
- * During iteration acquiring a sublevel requires iterating
- * between 0x00 and 0x01
+ * This special symbol must not appear in the encoded parts
  */
-const sep = Buffer.from([0]);
+const sep = Buffer.from([0x00]);
 exports.sep = sep;
 /**
+ * Empty parts will be encoded as a single 0x01 byte
+ */
+const empty = Buffer.from([0x01]);
+/**
  * Lexicographically ordered base 128 alphabet
+ * The alphabet starts at 0x02 (skipping 0x00 and 0x01)
  */
 const alphabet = Buffer.from(Array.from({ length: 128 }, (_, i) => {
-    return i + 1;
+    return i + 2;
 }));
 /**
  * Encode level or key part using base 128 encoding
+ * Empty parts are encoded with the special empty symbol
  */
 function encodePart(part) {
+    if (part.byteLength === 0) {
+        return empty;
+    }
     // Start encoding
@@ -70,4 +78,8 @@ const mask = (1 << 7) - 1;
  * Decode level or key part from base 128
+ * The special empty symbol is decoded as an empty buffer
  */
 function decodePart(data) {
+    if (data.equals(empty)) {
+        return Buffer.allocUnsafe(0);
+    }
     const codes = {};
@@ -154,3 +166,3 @@ for (let i = 0; i < alphabet.length; ++i) {
  *   levels => level:l levels:ls -> [l, ...ls] | '' -> []
- *   level => sep .*?:l (?<!escape) sep (?>.*) -> l
+ *   level => sep .*?:l sep -> l
  *   sep => 0x00
@@ -157,0 +169,0 @@ *   keyActual => .*:k -> [k]

package.json

 {
   "name": "@matrixai/db",
-  "version": "4.0.2",
+  "version": "4.0.4",
   "author": "Roger Qiu",
@@ -5,0 +5,0 @@ "description": "DB",

New alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

New author

Supply chain risk

A new npm collaborator published a version of the package for the first time. New collaborators are usually benign additions to a project, but do indicate a change to the security surface area of a package.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

111075

increased by0.5%

Lines of code

1668

increased by0.72%

Worsened metrics

Number of medium supply chain risk alerts

1

increased byInfinity%

No dependency changes