feat: make solution code more dry

nik-rev · nik-rev · commit d6b751c75bc6 · 2024-04-07T18:45:37.000+01:00
diff --git a/15_totalIntegers/solution/totalIntegers-solution.js b/15_totalIntegers/solution/totalIntegers-solution.js
@@ -1,4 +1,5 @@
-const totalIntegers = function(obj, count = 0) {
+const totalIntegers = function (obj, count = 0) {
+  const isObject = (value) => typeof value === 'object' && value !== null;
 
   if (typeof obj !== 'object' || obj === null) {
     return;
@@ -9,7 +10,7 @@ const totalIntegers = function(obj, count = 0) {
   for (const el of elements) {
     if (Number.isInteger(el)) {
       count++;
-    } else if (typeof el === 'object' && el !== null) {
+    } else if (isObject(el)) {
       count += totalIntegers(el);
     }
   }

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,5 @@`
`1`		`-const totalIntegers = function(obj, count = 0) {`
	`1`	`+const totalIntegers = function (obj, count = 0) {`
	`2`	`+ const isObject = (value) => typeof value === 'object' && value !== null;`
`2`	`3`
`3`	`4`	`if (typeof obj !== 'object' \|\| obj === null) {`
`4`	`5`	`return;`
`@@ -9,7 +10,7 @@ const totalIntegers = function(obj, count = 0) {`
`9`	`10`	`for (const el of elements) {`
`10`	`11`	`if (Number.isInteger(el)) {`
`11`	`12`	`count++;`
`12`		`- } else if (typeof el === 'object' && el !== null) {`
	`13`	`+ } else if (isObject(el)) {`
`13`	`14`	`count += totalIntegers(el);`
`14`	`15`	`}`
`15`	`16`	`}`