Merge pull request #512 from DoctorLai/patch-1

Add more digits to steem.formatter.reputation and Add some tests

src/formatter.js

@@ -155,15 +155,19 @@ module.exports = steemAPI => {
   }
 
   return {
-    reputation: function(reputation) {
+    reputation: function(reputation, decimal_places = 0) {
       if (reputation == 0) return 25;
       if (!reputation) return reputation;      
       let neg = reputation < 0;
       let rep = String(reputation);
       rep = neg ? rep.substring(1) : rep;
       let v = (Math.log10((rep > 0 ? rep : -rep) - 10) - 9);
       v =  neg ? -v : v;
-      return parseInt(v * 9 + 25);
+      v = v * 9 + 25;
+      if (decimal_places > 0) {
+        return +(Math.round(v + "e+" + decimal_places) + "e-" + decimal_places);
+      }
+      return parseInt(v);
     },
 
     vestToSteem: function(

test/reputation.test.js

@@ -32,5 +32,37 @@ describe('steem.format.reputation', ()=> {
     });
     it('rep -22233344455 => 12', () => {
         assert.equal(reputation(-22233344455), 12);
-    });    
+    });
+
+    // with decimal places
+    it('rep 0 => 25', () => {
+        assert.equal(reputation(0, 1), 25);
+    });
+    it('rep 95832978796820 => 69.83', () => {
+        assert.equal(reputation(95832978796820, 2), 69.83);
+    });
+    it('rep 10004392664120 => 61.002', () => {
+        assert.equal(reputation(10004392664120, 3), 61.002);
+    });
+    it('rep 30999525306309 => 65.4222', () => {
+        assert.equal(reputation(30999525306309, 4), 65.4222);
+    });
+    it('rep -37765258368568 => -16.19383', () => {
+        assert.equal(reputation(-37765258368568, 5), -16.19383);
+    });
+    it('rep 334486135407077 => 74.719403', () => {
+        assert.equal(reputation(334486135407077, 6), 74.719403);
+    });
+    it('rep null => null', () => {
+        assert.equal(reputation(null, 7), null);
+    });
+    it('rep undefined => undefined', () => {
+        assert.equal(reputation(undefined, 8), undefined);
+    });
+    it('rep -1234123412342234 => -29.822227322', () => {
+        assert.equal(reputation(-1234123412342234, 9), -29.822227322);
+    });
+    it('rep -22233344455 => 12.8769568338', () => {
+        assert.equal(reputation(-22233344455, 10), 12.8769568338);
+    });
 })