Adding BigInt support - #23

vitaly-t · Oct 7, 2019 · 2285627 · 2285627
1 parent 3db85df
commit 2285627
Showing 1 changed file with 14 additions and 4 deletions.
diff --git a/lib/index.js b/lib/index.js
@@ -108,7 +108,7 @@ const monitor = {
         if (e.params) {
             let p = e.params;
             if (typeof p !== 'string') {
-                p = JSON.stringify(p);
+                p = toJson(p);
             }
             print(e, event, timeGap + cct.paramTitle('params: ') + cct.value(p), true);
         }
@@ -191,11 +191,11 @@ const monitor = {
                 });
                 q = tmp;
             }
-            q = JSON.stringify(q);
+            q = toJson(q);
         }
         if (e.cn) {
             // a connection issue;
-            print(e, event, timeGap + cct.paramTitle('connection: ') + cct.value(JSON.stringify(e.cn)), true);
+            print(e, event, timeGap + cct.paramTitle('connection: ') + cct.value(toJson(e.cn)), true);
         } else {
             if (q !== undefined) {
                 const d = (detailed === undefined) ? monitor.detailed : !!detailed;
@@ -213,7 +213,7 @@ const monitor = {
             }
         }
         if (e.params) {
-            print(e, event, timeGap + cct.paramTitle('params: ') + cct.value(JSON.stringify(e.params)), true);
+            print(e, event, timeGap + cct.paramTitle('params: ') + cct.value(toJson(e.params)), true);
         }
     },
 
@@ -528,6 +528,16 @@ function isNull(value) {
     return value === null || value === undefined;
 }
 
+///////////////////////////////////////////////////////////////
+// Adds support for BigInt, to be rendered like in JavaScript,
+// as an open value, with 'n' in the end.
+function toJson(data) {
+    if (data !== undefined) {
+        return JSON.stringify(data, (_, v) => typeof v === 'bigint' ? `${v}#bigint` : v)
+            .replace(/"(-?\d+)#bigint"/g, (_, a) => a + 'n');
+    }
+}
+
 // reusable error messages;
 const errors = {
     redirectParams(event) {