Use for..of loop

Author: fisker

src/parse.ts

@@ -8,6 +8,7 @@ import { transformError } from "./transforms/error.js";
 import { type ParseOptions, type Root } from "./types.js";
 import { removeFakeNodes } from "./utils/remove-fake-nodes.js";
 import { updatePositions } from "./utils/update-positions.js";
+import type { Document } from "./types.js";
 
 const MAP_KEY_DUPLICATE_ERROR_MESSAGE_PREFIX = 'Map keys must be unique; "';
 const MAP_KEY_DUPLICATE_ERROR_MESSAGE_SUFFIX = '" is repeated';
@@ -35,23 +36,26 @@ export function parse(text: string, options?: ParseOptions): Root {
   const context = new Context(cst, text);
   context.setOrigRanges();
 
-  const documents = cst.map(cstDocument => {
-    const document = new YAML.Document({
+  const documents: Document[] = [];
+
+  for (const cstDocument of cst) {
+    const yamlDocument = new YAML.Document({
       merge: false,
       keepCstNodes: true,
     }).parse(cstDocument);
 
-    for (const error of document.errors) {
+    for (const error of yamlDocument.errors) {
       if (shouldIgnoreError(error, allowDuplicateKeysInMap)) {
         continue;
       }
       throw transformError(error, context);
     }
 
-    removeCstBlankLine(document.cstNode!);
+    removeCstBlankLine(yamlDocument.cstNode!);
 
-    return context.transformNode(document);
-  });
+    const document = context.transformNode(yamlDocument);
+    documents.push(document);
+  }
 
   const root = createRoot(
     context.transformRange({ origStart: 0, origEnd: text.length }),