feat: 🎸 Encode long numbers as strings

Longs are encoded as objects (see https://github.com/dcodeIO/long.js).
This change serializes longs to strings so they become easier to index
and query.

BREAKING CHANGE: 🧨 This changes the structure of the data sent to Splunk.

package.json

@@ -60,6 +60,7 @@
     "js-yaml": "^3.13.1",
     "lodash": "^4.17.15",
     "markdown-table": "^1.1.3",
+    "long": "^4.0.0",
     "oclif": "^1.15.2",
     "protobufjs": "~6.8.8",
     "typescript": "^3.7.3"

src/convert.ts

@@ -1,3 +1,5 @@
+import * as Long from 'long';
+
 const isPlainObject = (obj: any): obj is Object =>
     typeof obj === 'object' && Object.prototype.toString.call(obj) === '[object Object]';
 
@@ -13,6 +15,9 @@ export function convertBuffers(obj: Buffer | Object | any | undefined, path: str
             return { hex: obj.toString('hex') };
         }
     }
+    if (isLong(obj)) {
+        return new Long(obj.low, obj.high, obj.unsigned).toString(10);
+    }
     if (Array.isArray(obj)) {
         return obj.map((v, i) => convertBuffers(v, [...path, String(i)]));
     } else if (isPlainObject(obj)) {
@@ -47,3 +52,7 @@ export function isLikelyText(buffer: Buffer): boolean {
 export function toText(buffer: Buffer): string {
     return buffer.toString('utf-8');
 }
+
+function isLong(obj: any): boolean {
+    return typeof obj.low === 'number' && typeof obj.high === 'number';
+}

test/convert.test.ts

@@ -52,6 +52,11 @@ describe('convertBuffers', () => {
             }
         `);
     });
+
+    it('should convert Longs to strings', () => {
+        expect(convertBuffers({ low: 4, high: 0, unsigned: false })).toMatchInlineSnapshot(`"4"`);
+        expect(convertBuffers({ low: 4, high: 32, unsigned: false })).toMatchInlineSnapshot(`"137438953476"`);
+    });
 });
 
 describe('isLikelyText', () => {