feat: added support for format specifiers

Author: titanism

package.json

@@ -16,8 +16,10 @@
     "Titanism"
   ],
   "dependencies": {
+    "@ladjs/format-util": "^1.0.4",
     "ansi-colors": "^4.1.3",
     "clf-date": "^0.2.1",
+    "format-specifiers": "^1.0.0",
     "iserror": "^0.0.2",
     "merge-options": "^3.0.4",
     "ms": "^2.1.3",

src/index.js

@@ -1,7 +1,9 @@
 const Axe = require('axe');
+const format = require('@ladjs/format-util');
+const formatSpecifiers = require('format-specifiers');
 const isError = require('iserror');
-const parseErr = require('parse-err');
 const mergeOptions = require('merge-options');
+const parseErr = require('parse-err');
 const pkg = require('../package.json');
 const {
   isNull,
@@ -48,7 +50,15 @@ class Cabin {
       isFunction(this.config.logger[key])
     )) {
       this[level] = (...args) => {
-        if (args[1]) args[1] = this.parseArg(args[1]);
+        // support format specifiers
+        if (
+          typeof args[0] === 'string' &&
+          formatSpecifiers.some((t) => args[0].includes(t)) &&
+          args[1]
+        ) {
+          args[0] = format(args[0], args[1]);
+          delete args[1];
+        } else if (args[1]) args[1] = this.parseArg(args[1]);
         return this.config.logger[level](...Array.prototype.slice.call(args));
       };
     }

src/middleware.js

@@ -1,3 +1,5 @@
+const format = require('@ladjs/format-util');
+const formatSpecifiers = require('format-specifiers');
 const onFinished = require('on-finished');
 const parseRequest = require('parse-request');
 const { isFunction, isUndefined } = require('./utils');
@@ -19,6 +21,16 @@ module.exports = function (...args) {
     isFunction(this.config.logger[key])
   )) {
     logger[key] = (...parameters) => {
+      // support format specifiers
+      if (
+        typeof parameters[0] === 'string' &&
+        formatSpecifiers.some((t) => parameters[0].includes(t)) &&
+        parameters[1]
+      ) {
+        parameters[0] = format(parameters[0], parameters[1]);
+        parameters[1] = undefined;
+      }
+
       parameters[1] = isUndefined(parameters[1])
         ? {}
         : this.parseArg(parameters[1]);