feat: added support for meta.name attribute twitter:image property (#348)

Author: cap-Bernardito

README.md

@@ -87,7 +87,7 @@ Supported tags and attributes:
 - the `href` attribute of the `use` tag
 - the `href` attribute of the `link` tag when the `rel` attribute contains `stylesheet`, `icon`, `shortcut icon`, `mask-icon`, `apple-touch-icon`, `apple-touch-icon-precomposed`, `apple-touch-startup-image`, `manifest`, `prefetch`, `preload`
 - the `imagesrcset` attribute of the `link` tag when the `rel` attribute contains `stylesheet`, `icon`, `shortcut icon`, `mask-icon`, `apple-touch-icon`, `apple-touch-icon-precomposed`, `apple-touch-startup-image`, `manifest`, `prefetch`, `preload`
-- the `content` attribute of the `meta` tag when the `name` attribute is `msapplication-tileimage`, `msapplication-square70x70logo`, `msapplication-square150x150logo`, `msapplication-wide310x150logo`, `msapplication-square310x310logo`, `msapplication-config` or when the `property` attribute is `og:image`, `og:image:url`, `og:image:secure_url`, `og:audio`, `og:audio:secure_url`, `og:video`, `og:video:secure_url`, `vk:image`
+- the `content` attribute of the `meta` tag when the `name` attribute is `msapplication-tileimage`, `msapplication-square70x70logo`, `msapplication-square150x150logo`, `msapplication-wide310x150logo`, `msapplication-square310x310logo`, `msapplication-config`, `twitter:image` or when the `property` attribute is `og:image`, `og:image:url`, `og:image:secure_url`, `og:audio`, `og:audio:secure_url`, `og:video`, `og:video:secure_url`, `vk:image`
 
 #### `Boolean`
 

src/utils.js

@@ -587,6 +587,7 @@ function metaContentFilter(tag, attribute, attributes) {
       'msapplication-wide310x150logo',
       'msapplication-square310x310logo',
       'msapplication-config',
+      'twitter:image',
     ];
 
     return allowedNames.includes(name);

test/__snapshots__/esModule-option.test.js.snap

@@ -382,6 +382,7 @@ <h2>An Ordered HTML List</h2>
 <link rel="manifest" href="./site.webmanifest">
 <link rel="mask-icon" href="./webpack.svg" color="#5bbad5">
 <link rel="preload" as="image" imagesrcset="image.png 400w, image.png 800w, image.png 1600w" imagesizes="100vw">
+<meta name="twitter:image" content="./image.png">
 <meta name="msapplication-square70x70logo" content="./image.png">
 <meta NAME="msapplication-square70x70logo" content="./image.png">
 <meta name="msapplication-square150x150logo" content="./image.png">