@lexical/utils - npm Package Compare versions

Comparing version 0.23.2-nightly.20250129.0 to 0.23.2-nightly.20250130.0

index.d.ts

@@ -81,2 +81,11 @@ /**
 export declare function $dfs(startNode?: LexicalNode, endNode?: LexicalNode): Array<DFSNode>;
+/**
+ * A function which will return exactly the reversed order of $dfs. That means that the tree is traversed
+ * from right to left, starting at the leaf and working towards the root.
+ * @param startNode - The node to start the search. If omitted, it will start at the last leaf node in the tree.
+ * @param endNode - The node to end the search. If omitted, it will work backwards all the way to the root node
+ * @returns An array of objects of all the nodes found by the search, including their depth into the tree.
+ * \\{depth: number, node: LexicalNode\\} It will always return at least 1 node (the start node).
+ */
+export declare function $reverseDfs(startNode?: LexicalNode, endNode?: LexicalNode): Array<DFSNode>;
 type DFSIterator = {
@@ -113,2 +122,10 @@ next: () => IteratorResult<DFSNode, void>;
 /**
+ * An iterator which will traverse the tree in exactly the reversed order of $dfsIterator. Tree traversal is done
+ * on the fly as new values are requested with O(1) memory.
+ * @param startNode - The node to start the search. If omitted, it will start at the last leaf node in the tree.
+ * @param endNode - The node to end the search. If omitted, it will work backwards all the way to the root node
+ * @returns An iterator, each yielded value is a DFSNode. It will always return at least 1 node (the start node).
+ */
+export declare function $reverseDfsIterator(startNode?: LexicalNode, endNode?: LexicalNode): DFSIterator;
+/**
  * Takes a node and traverses up its ancestors (toward the root node)
@@ -115,0 +132,0 @@ * in order to find a specific type of node.

LexicalUtils.dev.js

@@ -542,2 +542,14 @@ /**
 }
+
+/**
+ * A function which will return exactly the reversed order of $dfs. That means that the tree is traversed
+ * from right to left, starting at the leaf and working towards the root.
+ * @param startNode - The node to start the search. If omitted, it will start at the last leaf node in the tree.
+ * @param endNode - The node to end the search. If omitted, it will work backwards all the way to the root node
+ * @returns An array of objects of all the nodes found by the search, including their depth into the tree.
+ * \\{depth: number, node: LexicalNode\\} It will always return at least 1 node (the start node).
+ */
+function $reverseDfs(startNode, endNode) {
+  return Array.from($reverseDfsIterator(startNode, endNode));
+}
 const iteratorDone = {
@@ -669,2 +681,75 @@ done: true,
 /**
+ * An iterator which will traverse the tree in exactly the reversed order of $dfsIterator. Tree traversal is done
+ * on the fly as new values are requested with O(1) memory.
+ * @param startNode - The node to start the search. If omitted, it will start at the last leaf node in the tree.
+ * @param endNode - The node to end the search. If omitted, it will work backwards all the way to the root node
+ * @returns An iterator, each yielded value is a DFSNode. It will always return at least 1 node (the start node).
+ */
+function $reverseDfsIterator(startNode, endNode) {
+  const start = (startNode || lexical.$getRoot().getLastDescendant() || lexical.$getRoot()).getLatest();
+  const startDepth = $getDepth(start);
+  const end = endNode || lexical.$getRoot();
+  let node = start;
+  let depth = startDepth;
+  let isFirstNext = true;
+  const iterator = {
+    next() {
+      if (node === null) {
+        return iteratorDone;
+      }
+      if (isFirstNext) {
+        isFirstNext = false;
+        return iteratorNotDone({
+          depth,
+          node
+        });
+      }
+      if (node === end) {
+        return iteratorDone;
+      }
+      if (node.getPreviousSibling()) {
+        let depthDiff;
+        [node, depthDiff] = $getPreviousSiblingsLastDescendantOrPreviousSibling(node) || [null, 0];
+        depth += depthDiff;
+      } else {
+        node = node.getParent();
+        depth--;
+      }
+      if (node === null) {
+        return iteratorDone;
+      }
+      return iteratorNotDone({
+        depth,
+        node
+      });
+    },
+    [Symbol.iterator]() {
+      return iterator;
+    }
+  };
+  return iterator;
+}
+
+/**
+ * Returns the previous sibling's last descendant (when it exists) or the previous sibling.
+ * R -> P -> T1
+ *        -> T2
+ *   -> P2
+ * returns T1 for node T2, T2 for node P2, and null for node T1 or P.
+ * @param node LexicalNode.
+ * @returns an array (tuple) coontaining the found Lexical node and the depth difference, or null, if this node doesn't exist.
+ */
+function $getPreviousSiblingsLastDescendantOrPreviousSibling(node) {
+  let _node = node.getPreviousSibling();
+  let depthDiff = 0;
+  while (lexical.$isElementNode(_node) && _node.getChildrenSize() > 0) {
+    _node = _node.getLastChild();
+    depthDiff++;
+  }
+  if (_node === null) {
+    return null;
+  }
+  return [_node, depthDiff];
+}
+/**
  * Takes a node and traverses up its ancestors (toward the root node)
@@ -1109,2 +1194,4 @@ * in order to find a specific type of node.
 exports.$restoreEditorState = $restoreEditorState;
+exports.$reverseDfs = $reverseDfs;
+exports.$reverseDfsIterator = $reverseDfsIterator;
 exports.$unwrapAndFilterDescendants = $unwrapAndFilterDescendants;
@@ -1111,0 +1198,0 @@ exports.$unwrapNode = $unwrapNode;

LexicalUtils.prod.js

@@ -9,2 +9,2 @@ /**
 
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t=e,n=null,o=0;for(;null===n&&null!==t;)n=t.getNextSibling(),null===n?(t=t.getParent(),o--):t=n;return null===t?null:[t,o]}function B(e){let t=e,n=0;for(;null!==(t=t.getParent());)n++;return n}function F(t,n){const o=(t||e.$getRoot().getLastDescendant()||e.$getRoot()).getLatest(),r=B(o),l=n||e.$getRoot();let i=o,s=r,u=!0;const c={next(){if(null===i)return _;if(u)return u=!1,O({depth:s,node:i});if(i===l)return _;if(i.getPreviousSibling()){let t;[i,t]=function(t){let n=t.getPreviousSibling(),o=0;for(;e.$isElementNode(n)&&n.getChildrenSize()>0;)n=n.getLastChild(),o++;if(null===n)return null;return[n,o]}(i)||[null,0],s+=t}else i=i.getParent(),s--;return null===i?_:O({depth:s,node:i})},[Symbol.iterator]:()=>c};return c}const H=(t,n)=>{let o=t;for(;o!==e.$getRoot()&&null!=o;){if(n(o))return o;o=o.getParent()}return null};let K=!(T||!y)&&void 0;function k(t,n,o){let r=!1;for(const l of U(t))n(l)?null!==o&&o(l):(r=!0,e.$isElementNode(l)&&k(l,n,o||(e=>l.insertAfter(e))),l.remove());return r}function z(e){return{[Symbol.iterator]:()=>W(e.getFirstChild(),(e=>e.getNextSibling()))}}function U(e){return{[Symbol.iterator]:()=>W(e.getLastChild(),(e=>e.getPreviousSibling()))}}function W(e,t){let n=e;return{next(){if(null===n)return _;const e=O(n);return n=t(n),e}}}exports.$splitNode=e.$splitNode,exports.isBlockDomNode=e.isBlockDomNode,exports.isHTMLAnchorElement=e.isHTMLAnchorElement,exports.isHTMLElement=e.isHTMLElement,exports.isInlineDomNode=e.isInlineDomNode,exports.$descendantsMatching=function(t,n){const o=[],r=[...t].reverse();for(let t=r.pop();void 0!==t;t=r.pop())if(n(t))o.push(t);else if(e.$isElementNode(t))for(const e of U(t))r.push(e);return o},exports.$dfs=function(e,t){return Array.from(M(e,t))},exports.$dfsIterator=M,exports.$filter=function(e,t){const n=[];for(let o=0;o<e.length;o++){const r=t(e[o]);null!==r&&n.push(r)}return 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package.json

@@ -11,10 +11,10 @@ {
   "license": "MIT",
-  "version": "0.23.2-nightly.20250129.0",
+  "version": "0.23.2-nightly.20250130.0",
   "main": "LexicalUtils.js",
   "types": "index.d.ts",
   "dependencies": {
-    "@lexical/list": "0.23.2-nightly.20250129.0",
-    "@lexical/selection": "0.23.2-nightly.20250129.0",
-    "@lexical/table": "0.23.2-nightly.20250129.0",
-    "lexical": "0.23.2-nightly.20250129.0"
+    "@lexical/list": "0.23.2-nightly.20250130.0",
+    "@lexical/selection": "0.23.2-nightly.20250130.0",
+    "@lexical/table": "0.23.2-nightly.20250130.0",
+    "lexical": "0.23.2-nightly.20250130.0"
   },
@@ -21,0 +21,0 @@ "repository": {

No alert changes

Improved metrics

Total package byte prevSize

138295

increased by6.91%

Lines of code

2863

increased by7.27%

Dependency changes

• + Added@lexical/clipboard@0.23.2-nightly.20250130.0(transitive)

• + Added@lexical/html@0.23.2-nightly.20250130.0(transitive)

• + Added@lexical/list@0.23.2-nightly.20250130.0(transitive)

• + Added@lexical/selection@0.23.2-nightly.20250130.0(transitive)

• + Added@lexical/table@0.23.2-nightly.20250130.0(transitive)

• + Addedlexical@0.23.2-nightly.20250130.0(transitive)

• - Removed@lexical/clipboard@0.23.2-nightly.20250129.0(transitive)

• - Removed@lexical/html@0.23.2-nightly.20250129.0(transitive)

• - Removed@lexical/list@0.23.2-nightly.20250129.0(transitive)

• - Removed@lexical/selection@0.23.2-nightly.20250129.0(transitive)

• - Removed@lexical/table@0.23.2-nightly.20250129.0(transitive)

• - Removedlexical@0.23.2-nightly.20250129.0(transitive)

• Updated@lexical/list@0.23.2-nightly.20250130.0

• Updated@lexical/selection@0.23.2-nightly.20250130.0

• Updated@lexical/table@0.23.2-nightly.20250130.0

• Updatedlexical@0.23.2-nightly.20250130.0