@stoplight/yaml - npm Package Compare versions

Comparing version 3.1.0 to 3.1.1

package.json

 {
   "name": "@stoplight/yaml",
-  "version": "3.1.0",
+  "version": "3.1.1",
   "description": "Useful functions when working with YAML.",
@@ -5,0 +5,0 @@ "keywords": [

parseWithPointers.js

@@ -40,12 +40,21 @@ "use strict";
                 const container = {};
+                const seenKeys = [];
+                const handleMergeKeys = options !== void 0 && options.mergeKeys === true;
+                const handleDuplicates = (options !== void 0 && options.json === false) || duplicatedMappingKeys !== void 0;
                 for (const mapping of node.mappings) {
-                    if (mapping.key.value in container) {
-                        if (options !== void 0 && options.json === false) {
-                            throw new Error('Duplicate YAML mapping key encountered');
+                    const key = mapping.key.value;
+                    if (handleDuplicates && (!handleMergeKeys || key !== "<<")) {
+                        if (seenKeys.includes(mapping.key.value)) {
+                            if (options !== void 0 && options.json === false) {
+                                throw new Error('Duplicate YAML mapping key encountered');
+                            }
+                            if (duplicatedMappingKeys !== void 0) {
+                                duplicatedMappingKeys.push(mapping.key);
+                            }
                         }
-                        if (duplicatedMappingKeys !== void 0) {
-                            duplicatedMappingKeys.push(mapping.key);
+                        else {
+                            seenKeys.push(key);
                         }
                     }
-                    if (options !== void 0 && options.mergeKeys === true && mapping.key.value === "<<") {
+                    if (handleMergeKeys && key === "<<") {
                         Object.assign(container, reduceMergeKeys(exports.walkAST(mapping.value, options, duplicatedMappingKeys)));
@@ -52,0 +61,0 @@ }

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Improved metrics

Total package byte prevSize

54860

increased by1.58%

Lines of code

562

increased by1.63%

No dependency changes