improve link handling

packages/tiptap-utils/src/index.js

@@ -1,3 +1,4 @@
 export { default as getMarkAttrs } from './utils/getMarkAttrs'
+export { default as getMarkRange } from './utils/getMarkRange'
 export { default as markIsActive } from './utils/markIsActive'
 export { default as nodeIsActive } from './utils/nodeIsActive'

packages/tiptap-utils/src/utils/getMarkRange.js

@@ -0,0 +1,34 @@
+export default function ($pos = null, type = null) {
+
+  if (!$pos || !type) {
+    return false
+  }
+
+  const start = $pos.parent.childAfter($pos.parentOffset)
+
+  if (!start.node) {
+    return false
+  }
+
+  const link = start.node.marks.find(mark => mark.type === type)
+  if (!link) {
+    return false
+  }
+
+  let startIndex = $pos.index()
+  let startPos = $pos.start() + start.offset
+  while (startIndex > 0 && link.isInSet($pos.parent.child(startIndex - 1).marks)) {
+    startIndex -= 1
+    startPos -= $pos.parent.child(startIndex).nodeSize
+  }
+
+  let endIndex = $pos.indexAfter()
+  let endPos = startPos + start.node.nodeSize
+  while (endIndex < $pos.parent.childCount && link.isInSet($pos.parent.child(endIndex).marks)) {
+    endPos += $pos.parent.child(endIndex).nodeSize
+    endIndex += 1
+  }
+
+  return { from: startPos, to: endPos }
+
+}