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node_modules/hast-util-embedded/lib/index.js

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+import {convertElement} from 'hast-util-is-element'
+
+/**
+ * Check if a node is a *embedded content*.
+ *
+ * @param value
+ *   Thing to check (typically `Node`).
+ * @returns
+ *   Whether `value` is an element considered embedded content.
+ *
+ *   The elements `audio`, `canvas`, `embed`, `iframe`, `img`, `math`,
+ *   `object`, `picture`, `svg`, and `video` are embedded content.
+ */
+export const embedded = convertElement(
+  /**
+   * @param element
+   * @returns {element is {tagName: 'audio' | 'canvas' | 'embed' | 'iframe' | 'img' | 'math' | 'object' | 'picture' | 'svg' | 'video'}}
+   */
+  function (element) {
+    return (
+      element.tagName === 'audio' ||
+      element.tagName === 'canvas' ||
+      element.tagName === 'embed' ||
+      element.tagName === 'iframe' ||
+      element.tagName === 'img' ||
+      element.tagName === 'math' ||
+      element.tagName === 'object' ||
+      element.tagName === 'picture' ||
+      element.tagName === 'svg' ||
+      element.tagName === 'video'
+    )
+  }
+)