bn.js - npm Package Compare versions

Comparing version 4.3.0 to 4.4.0

package.json

 {
   "name": "bn.js",
-  "version": "4.3.0",
+  "version": "4.4.0",
   "description": "Big number implementation in pure javascript",
   "main": "lib/bn.js",
   "scripts": {
-    "test": "mocha --reporter=spec test/*-test.js && jscs lib/*.js test/*.js && jshint lib/*.js"
+    "lint": "jscs lib/*.js test/*.js && jshint lib/*.js",
+    "test": "mocha --reporter=spec test/*-test.js"
   },
@@ -9,0 +10,0 @@ "repository": {

README.md

@@ -60,2 +60,3 @@ # <img src="./logo.png" alt="bn.js" width="160" height="160" />
 * `a.toString(base, padding)` - convert to base-string and pad with zeroes
+* `a.toNumber()` - convert to Javascript Number (limited to 53 bits)
 * `a.bitLength()` - get number of bits occupied
@@ -62,0 +63,0 @@ * `a.zeroBits()` - return number of less-significant consequent zero bits

test/utils-test.js

@@ -128,2 +128,16 @@ var assert = require('assert');
 
+  describe('.toNumber()', function() {
+    it('should return proper Number if below the limit', function() {
+      var n = new BN(0x123456);
+      assert.deepEqual(n.toNumber(), 0x123456);
+    });
+
+    it('should throw when number exceeds 53 bits', function() {
+      var n = new BN(1).iushln(54);
+      assert.throws(function() {
+        n.toNumber();
+      });
+    });
+  });
+
   describe('.zeroBits()', function() {
@@ -130,0 +144,0 @@ it('should return proper zeroBits', function() {

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Improved metrics

Total package byte prevSize

164381

increased by0.46%

Lines of code

4708

increased by0.34%

Number of lines in readme file

204

increased by0.49%

No dependency changes