v10.1.0

#122 Add custom `util.inspect()` function.
Add `Symbol.toStringTag`.
#121 Constructor: add range check for arguments of type number and Decimal.
Remove premable from uglifyjs build script.
Move *decimal.min.js.map* to root directory.

.travis.yml

@@ -1,6 +1,8 @@
 language: node_js
 node_js:
   - "node"
+  - "11"
+  - "10"
   - "9"
   - "8"
   - "7"

CHANGELOG.md

@@ -1,3 +1,11 @@
+#### 10.1.0
+* 26/02/2019
+* #122 Add custom `util.inspect()` function.
+* Add `Symbol.toStringTag`.
+* #121 Constructor: add range check for arguments of type number and Decimal.
+* Remove premable from uglifyjs build script. 
+* Move *decimal.min.js.map* to root directory.
+
 #### 10.0.2
 * 13/12/2018
 * #114 Remove soureMappingURL from *decimal.min.js*.

LICENCE.md

@@ -1,6 +1,6 @@
 The MIT Licence.
 
-Copyright (c) 2018 Michael Mclaughlin
+Copyright (c) 2019 Michael Mclaughlin
 
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the

decimal.js

@@ -1,13 +1,12 @@
-/*! decimal.js v10.0.2 https://github.com/MikeMcl/decimal.js/LICENCE */
 ;(function (globalScope) {
   'use strict';
 
 
   /*
-   *  decimal.js v10.0.2
+   *  decimal.js v10.1.0
    *  An arbitrary-precision Decimal type for JavaScript.
    *  https://github.com/MikeMcl/decimal.js
-   *  Copyright (c) 2018 Michael Mclaughlin <M8ch88l@gmail.com>
+   *  Copyright (c) 2019 Michael Mclaughlin <M8ch88l@gmail.com>
    *  MIT Licence
    */
 
@@ -2112,7 +2111,6 @@
   };
 
 
-
   /*
    * Returns a new Decimal whose value is the nearest multiple of `y` in the direction of rounding
    * mode `rm`, or `Decimal.rounding` if `rm` is omitted, to the value of this Decimal.
@@ -4259,8 +4257,27 @@
       // Duplicate.
       if (v instanceof Decimal) {
         x.s = v.s;
+
+        if (external) {
+          if (!v.d || v.e > Decimal.maxE) {
+
+            // Infinity.
+            x.e = NaN;
+            x.d = null;
+          } else if (v.e < Decimal.minE) {
+
+            // Zero.
+            x.e = 0;
+            x.d = [0];
+          } else {
+            x.e = v.e;
+            x.d = v.d.slice();
+          }
+        } else {
           x.e = v.e;
-        x.d = (v = v.d) ? v.slice() : v;
+          x.d = v.d ? v.d.slice() : v.d;
+        }
+
         return;
       }
 
@@ -4284,8 +4301,23 @@
         // Fast path for small integers.
         if (v === ~~v && v < 1e7) {
           for (e = 0, i = v; i >= 10; i /= 10) e++;
+
+          if (external) {
+            if (e > Decimal.maxE) {
+              x.e = NaN;
+              x.d = null;
+            } else if (e < Decimal.minE) {
+              x.e = 0;
+              x.d = [0];
+            } else {
               x.e = e;
               x.d = [v];
+            }
+          } else {
+            x.e = e;
+            x.d = [v];
+          }
+
           return;
 
         // Infinity, NaN.
@@ -4367,7 +4399,6 @@
     Decimal.tanh = tanh;          // ES6
     Decimal.trunc = trunc;        // ES6
 
-
     if (obj === void 0) obj = {};
     if (obj) {
       if (obj.defaults !== true) {
@@ -4810,9 +4841,11 @@
 
   // Node and other environments that support module.exports.
   } else if (typeof module != 'undefined' && module.exports) {
-    Decimal.prototype[Symbol.for('nodejs.util.inspect.custom')] = function() {
+    if (Symbol && typeof Symbol.iterator == 'symbol') {
-        return this.toString();
+      P[Symbol.for('nodejs.util.inspect.custom')] = P.toString;
-    };
+      P[Symbol.toStringTag] = 'Decimal';
+    }
+
     module.exports = Decimal;
 
   // Browser.

decimal.mjs

@@ -1,12 +1,9 @@
 /*
- *
+ *  decimal.js v10.1.0
- *  decimal.js v10.0.2
  *  An arbitrary-precision Decimal type for JavaScript.
  *  https://github.com/MikeMcl/decimal.js
- *  Copyright (c) 2018 Michael Mclaughlin <M8ch88l@gmail.com>
+ *  Copyright (c) 2019 Michael Mclaughlin <M8ch88l@gmail.com>
  *  MIT Licence
- *  https://github.com/MikeMcl/decimal.js/LICENCE
- *
  */
 
 
@@ -4256,8 +4253,27 @@ function clone(obj) {
     // Duplicate.
     if (v instanceof Decimal) {
       x.s = v.s;
+
+      if (external) {
+        if (!v.d || v.e > Decimal.maxE) {
+
+          // Infinity.
+          x.e = NaN;
+          x.d = null;
+        } else if (v.e < Decimal.minE) {
+
+          // Zero.
+          x.e = 0;
+          x.d = [0];
+        } else {
+          x.e = v.e;
+          x.d = v.d.slice();
+        }
+      } else {
         x.e = v.e;
-      x.d = (v = v.d) ? v.slice() : v;
+        x.d = v.d ? v.d.slice() : v.d;
+      }
+
       return;
     }
 
@@ -4281,8 +4297,23 @@ function clone(obj) {
       // Fast path for small integers.
       if (v === ~~v && v < 1e7) {
         for (e = 0, i = v; i >= 10; i /= 10) e++;
+
+        if (external) {
+          if (e > Decimal.maxE) {
+            x.e = NaN;
+            x.d = null;
+          } else if (e < Decimal.minE) {
+            x.e = 0;
+            x.d = [0];
+          } else {
+            x.e = e;
+            x.d = [v];
+          }
+        } else {
           x.e = e;
           x.d = [v];
+        }
+
         return;
 
       // Infinity, NaN.
@@ -4785,6 +4816,9 @@ function trunc(x) {
 }
 
 
+P[Symbol.for('nodejs.util.inspect.custom')] = P.toString;
+P[Symbol.toStringTag] = 'Decimal';
+
 // Create and configure initial Decimal constructor.
 export var Decimal = clone(DEFAULTS);
 

package.json

@@ -1,7 +1,7 @@
 {
   "name": "decimal.js",
   "description": "An arbitrary-precision Decimal type for JavaScript.",
-  "version": "10.0.2",
+  "version": "10.1.0",
   "keywords": [
     "arbitrary",
     "precision",
@@ -30,7 +30,7 @@
   "license": "MIT",
   "scripts": {
     "test": "node ./test/test.js",
-    "build": "uglifyjs decimal.js --source-map doc/decimal.js.map -c -m -o decimal.min.js --preamble \"/* decimal.js v10.0.2 https://github.com/MikeMcl/decimal.js/LICENCE */\""
+    "build": "uglifyjs decimal.js --source-map url=decimal.min.js.map -c -m -o decimal.min.js"
   },
   "types": "decimal.d.ts"
 }