netlify-headers-parser - npm Package Compare versions

Comparing version 1.0.1 to 1.1.0

package.json

 {
   "name": "netlify-headers-parser",
-  "version": "1.0.1",
+  "version": "1.1.0",
   "description": "Parses Netlify headers into a JavaScript object representation",
@@ -5,0 +5,0 @@ "main": "src/index.js",

src/merge.js

@@ -1,2 +0,2 @@
-const { inspect } = require('util')
+const { inspect, isDeepStrictEqual } = require('util')
 
@@ -20,3 +20,3 @@ // Merge headers from `_headers` with the ones from `netlify.toml`.
   validateArray(configHeaders)
-  return [...fileHeaders, ...configHeaders]
+  return [...fileHeaders, ...configHeaders].filter(isUniqueHeader)
 }
@@ -30,2 +30,10 @@
 
+// Remove duplicates. This is especially likely considering `fileHeaders` might
+// have been previously merged to `configHeaders`, which happens when
+// `netlifyConfig.headers` is modified by plugins.
+// The latest duplicate value is the one kept.
+const isUniqueHeader = function (header, index, headers) {
+  return !headers.slice(index + 1).some((otherHeader) => isDeepStrictEqual(header, otherHeader))
+}
+
 module.exports = { mergeHeaders }

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Improved metrics

Total package byte prevSize

12987

increased by3.58%

Lines of code

248

increased by2.9%

No dependency changes