refactor: more precise isRoot

posva · posva · commit 2fb1afbf005d · 2025-06-29T22:24:42.000+02:00
diff --git a/src/core/tree.ts b/src/core/tree.ts
@@ -271,7 +271,7 @@ export class TreeNode {
    *
    * @returns true if the node is the root node
    */
-  isRoot() {
+  isRoot(): this is PrefixTree {
     return (
       !this.parent && this.value.fullPath === '/' && !this.value.components.size
     )

Original file line number	Diff line number	Diff line change
`@@ -271,7 +271,7 @@ export class TreeNode {`
`271`	`271`	`*`
`272`	`272`	`* @returns true if the node is the root node`
`273`	`273`	`*/`
`274`		`- isRoot() {`
	`274`	`+ isRoot(): this is PrefixTree {`
`275`	`275`	`return (`
`276`	`276`	`!this.parent && this.value.fullPath === '/' && !this.value.components.size`
`277`	`277`	`)`