Amend .mjs exports. Remove extension from main field in package.json.

README.md

@@ -35,7 +35,7 @@ or as a CommonJS, Node.js or AMD module using `require`.
 
 If using an ES6 transpiler, or Node.js with the [`--experimental-modules`](https://nodejs.org/api/esm.html) flag, try
 
-    import Big from './big';
+    import Big from 'big.js';
 
 *In all examples below, `var`, semicolons and `toString` calls are not shown. If a commented-out value is in quotes it means `toString` has been called on the preceding expression.*
 

big.mjs

@@ -4,7 +4,6 @@
  *  Copyright (c) 2017 Michael Mclaughlin <M8ch88l@gmail.com>
  *  https://github.com/MikeMcl/big.js/LICENCE
  */
-var Big,
 
 
 /************************************** EDITABLE DEFAULTS *****************************************/
@@ -16,7 +15,7 @@ var Big,
    * The maximum number of decimal places (DP) of the results of operations involving division:
    * div and sqrt, and pow with negative exponents.
    */
-  DP = 20,          // 0 to MAX_DP
+var DP = 20,          // 0 to MAX_DP
 
   /*
    * The rounding mode (RM) used when rounding to the above decimal places.
@@ -918,8 +917,6 @@ P.valueOf = P.toJSON = function () {
 // Export
 
 
-Big = _Big_();
-
-Big.Big = Big;
+export var Big = _Big_();
 
 export default Big;

package.json

@@ -20,7 +20,7 @@
     "type": "git",
     "url": "https://github.com/MikeMcl/big.js.git"
   },
-  "main": "big.js",
+  "main": "big",
   "module": "big.mjs",
   "author": {
     "name": "Michael Mclaughlin",