feat: replace printf implementation (fixes #36)

package.json

@@ -20,11 +20,11 @@
     "boolean": "^3.0.2",
     "detect-node": "^2.0.4",
     "fast-json-stringify": "^2.3.0",
+    "fast-printf": "^1.3.0",
     "globalthis": "^1.0.1",
     "is-circular": "^1.0.2",
     "json-stringify-safe": "^5.0.1",
-    "semver-compare": "^1.0.0",
-    "sprintfit": "^1.0.1"
+    "semver-compare": "^1.0.0"
   },
   "description": "JSON logger for Node.js and browser.",
   "devDependencies": {

src/factories/createLogger.ts

@@ -2,12 +2,12 @@ import {
   approximateTime,
 } from 'approximate-now';
 import environmentIsNode from 'detect-node';
+import {
+  printf,
+} from 'fast-printf';
 import createGlobalThis from 'globalthis';
 import isCircular from 'is-circular';
 import stringify from 'json-stringify-safe';
-import {
-  sprintf,
-} from 'sprintfit';
 import {
   logLevels,
 } from '../constants';
@@ -134,7 +134,7 @@ const createLogger = (
     if (typeof a === 'string' && b === undefined) {
       message = a;
     } else if (typeof a === 'string') {
-      message = sprintf(
+      message = printf(
         a,
         b,
         c,
@@ -151,7 +151,7 @@ const createLogger = (
         throw new TypeError('Message must be a string.');
       }
 
-      message = sprintf(
+      message = printf(
         b,
         c,
         d,

test/roarr/roarr.ts

@@ -90,6 +90,38 @@ test('formats message using sprintf', (t) => {
   ]);
 });
 
+test('formats message using sprintf (multiple variables)', (t) => {
+  const log = createLoggerWithHistory();
+
+  log('foo %s %s %s', 'bar', 'baz', 'qux');
+
+  t.deepEqual(log.messages, [
+    {
+      context: {},
+      message: 'foo bar baz qux',
+      sequence,
+      time,
+      version,
+    },
+  ]);
+});
+
+test('formats message using sprintf (digit variables)', (t) => {
+  const log = createLoggerWithHistory();
+
+  log('foo %d %d %d', '1', '2', '3');
+
+  t.deepEqual(log.messages, [
+    {
+      context: {},
+      message: 'foo 1 2 3',
+      sequence,
+      time,
+      version,
+    },
+  ]);
+});
+
 test('creates message with a context', (t) => {
   const log = createLoggerWithHistory();