refactor(yaml): add getIndentStatus function (#6903)

initial commit

Author: timreichen

yaml/_loader_state.ts

@@ -181,6 +181,12 @@ function markToString(
   return where;
 }
 
+function getIndentStatus(lineIndent: number, parentIndent: number) {
+  if (lineIndent > parentIndent) return 1;
+  if (lineIndent < parentIndent) return -1;
+  return 0;
+}
+
 export class LoaderState {
   input: string;
   length: number;
@@ -1478,14 +1484,7 @@ export class LoaderState {
     if (allowToSeek) {
       if (this.skipSeparationSpace(true, -1)) {
         atNewLine = true;
-
-        if (this.lineIndent > parentIndent) {
-          indentStatus = 1;
-        } else if (this.lineIndent === parentIndent) {
-          indentStatus = 0;
-        } else if (this.lineIndent < parentIndent) {
-          indentStatus = -1;
-        }
+        indentStatus = getIndentStatus(this.lineIndent, parentIndent);
       }
     }
 
@@ -1494,14 +1493,7 @@ export class LoaderState {
         if (this.skipSeparationSpace(true, -1)) {
           atNewLine = true;
           allowBlockCollections = allowBlockStyles;
-
-          if (this.lineIndent > parentIndent) {
-            indentStatus = 1;
-          } else if (this.lineIndent === parentIndent) {
-            indentStatus = 0;
-          } else if (this.lineIndent < parentIndent) {
-            indentStatus = -1;
-          }
+          indentStatus = getIndentStatus(this.lineIndent, parentIndent);
         } else {
           allowBlockCollections = false;
         }