http-link-header - npm Package Compare versions

Comparing version 1.0.5 to 1.1.0

lib/link.js

@@ -43,2 +43,17 @@ 'use strict'
 
+/**
+ * Shallow compares two objects to check if their properties match.
+ * @param {object} object1 First object to compare.
+ * @param {object} object2 Second object to compare.
+ * @returns {boolean} Do the objects have matching properties.
+ */
+function shallowCompareObjects( object1, object2 ) {
+  return (
+    Object.keys( object1 ).length === Object.keys( object2 ).length &&
+    Object.keys( object1 ).every(
+      ( key ) => key in object2 && object1[ key ] === object2[ key ]
+    )
+  );
+}
+
 class Link {
@@ -105,2 +120,3 @@
 
+  /** Sets a reference. */
   set( link ) {
@@ -111,2 +127,15 @@ this.refs.push( link )
 
+  /**
+   * Sets a reference if a reference with similar properties isn’t already set.
+   */
+  setUnique( link ) {
+
+    if( !this.refs.some(( ref ) => shallowCompareObjects( ref, link )) ) {
+      this.refs.push( link )
+    }
+
+    return this
+
+  }
+
   has( attr, value ) {
@@ -113,0 +142,0 @@

package.json

 {
   "name": "http-link-header",
-  "version": "1.0.5",
+  "version": "1.1.0",
   "description": "Parse & format HTTP link headers according to RFC 8288",
@@ -5,0 +5,0 @@ "author": "Jonas Hermsmeier <[e-mail]> (https://jhermsmeier.de)",

README.md

@@ -74,3 +74,3 @@ # HTTP Link Header
 ```js
-link.set({ rel: 'next', uri: 'http://example.com/next' })
+link.set({ uri: 'https://example.com/next', rel: 'next' })
 > Link {
@@ -80,3 +80,3 @@ refs: [
     { uri: 'example-01.com', rel: 'alternate', title: 'Alternate Example Domain' },
-    { rel: 'next', uri: 'http://example.com/next' }
+    { rel: 'next', uri: 'https://example.com/next' }
   ]
@@ -86,2 +86,30 @@ }
 
+### Setting a unique reference
+
+```js
+link.setUnique({
+  uri: 'https://example.com/image.png',
+  rel: 'preload',
+  as: 'image',
+  type: 'image/png'
+})
+> Link {
+  refs: [
+    { uri: 'https://example.com/image.png', rel: 'preload', as: 'image', type: 'image/png' }
+  ]
+}
+
+link.setUnique({
+  uri: 'https://example.com/image.png',
+  rel: 'preload',
+  as: 'image',
+  type: 'image/png'
+})
+> Link {
+  refs: [
+    { uri: 'https://example.com/image.png', rel: 'preload', as: 'image', type: 'image/png' }
+  ]
+}
+```
+
 ### Parsing multiple headers
@@ -88,0 +116,0 @@

No alert changes

Improved metrics

Total package byte prevSize

16808

increased by8.88%

Lines of code

337

increased by7.67%

Number of lines in readme file

176

increased by18.92%

No dependency changes