NO_BRACES_IN_CONDITIONALS_AND_LOOPS fail within variable initialization block

diktat-rules/src/main/kotlin/com/saveourtool/diktat/ruleset/rules/chapter3/BracesInConditionalsAndLoopsRule.kt

@@ -132,11 +132,11 @@ class BracesInConditionalsAndLoopsRule(configRules: List<RulesConfig>) : DiktatR
         if (loopBodyNode == null || loopBodyNode.elementType != BLOCK) {
             NO_BRACES_IN_CONDITIONALS_AND_LOOPS.warnAndFix(configRules, emitWarn, isFixMode, node.elementType.toString(), node.startOffset, node) {
                 // fixme proper way to calculate indent? or get step size (instead of hardcoded 4)
-                val indent = node.prevSibling { it.elementType == WHITE_SPACE }!!
-                    .text
-                    .lines()
-                    .last()
-                    .count { it == ' ' }
+                val indent = node.prevSibling { it.elementType == WHITE_SPACE }
+                    ?.text
+                    ?.lines()
+                    ?.last()
+                    ?.count { it == ' ' } ?: 0
                 loopBody?.run {
                     replaceWithBlock(indent)
                 }

diktat-rules/src/test/kotlin/com/saveourtool/diktat/ruleset/chapter3/BracesRuleFixTest.kt

@@ -22,6 +22,12 @@ class BracesRuleFixTest : FixTestBase("test/paragraph3/braces", ::BracesInCondit
         fixAndCompare("LoopsBracesExpected.kt", "LoopsBracesTest.kt")
     }
 
+    @Test
+    @Tag(WarningNames.NO_BRACES_IN_CONDITIONALS_AND_LOOPS)
+    fun `should add braces to loops inside scope functions`() {
+        fixAndCompare("LoopsBracesInsideScopeFunctionsExpected.kt", "LoopsBracesInsideScopeFunctionsTest.kt")
+    }
+
     @Test
     @Tag(WarningNames.NO_BRACES_IN_CONDITIONALS_AND_LOOPS)
     @Disabled("https://github.com/saveourtool/diktat/issues/1737")

diktat-rules/src/test/resources/test/paragraph3/braces/LoopsBracesInsideScopeFunctionsExpected.kt

@@ -0,0 +1,41 @@
+package test.paragraph3.braces
+
+fun foo1() {
+    str.apply {
+        for (i in 1..100) {
+    println(i)
+}
+    }
+}
+
+fun foo2() {
+    str.let {
+        for (i in 1..100) {
+    println(i)
+}
+    }
+}
+
+fun foo3() {
+    str.run {
+        for (i in 1..100) {
+    println(i)
+}
+    }
+}
+
+fun foo4() {
+    str.with {
+        for (i in 1..100) {
+    println(i)
+}
+    }
+}
+
+fun foo5() {
+    str.also {
+        for (i in 1..100) {
+    println(i)
+}
+    }
+}

diktat-rules/src/test/resources/test/paragraph3/braces/LoopsBracesInsideScopeFunctionsTest.kt

@@ -0,0 +1,31 @@
+package test.paragraph3.braces
+
+fun foo1() {
+    str.apply {
+        for (i in 1..100) println(i)
+    }
+}
+
+fun foo2() {
+    str.let {
+        for (i in 1..100) println(i)
+    }
+}
+
+fun foo3() {
+    str.run {
+        for (i in 1..100) println(i)
+    }
+}
+
+fun foo4() {
+    str.with {
+        for (i in 1..100) println(i)
+    }
+}
+
+fun foo5() {
+    str.also {
+        for (i in 1..100) println(i)
+    }
+}