make it more efficient

Author: iacore

cjs/interface/document-fragment.js

@@ -1,6 +1,7 @@
 'use strict';
-const {DOCUMENT_FRAGMENT_NODE} = require('../shared/constants.js');
+const {DOCUMENT_FRAGMENT_NODE, TEXT_NODE} = require('../shared/constants.js');
 const {NonElementParentNode} = require('../mixin/non-element-parent-node.js');
+const {NEXT, END} = require('../shared/symbols.js')
 
 /**
  * @implements globalThis.DocumentFragment
@@ -11,13 +12,14 @@ class DocumentFragment extends NonElementParentNode {
   }
 
   get textContent() {
-    let r = ""
-    let curr = this.firstChild
-    while (curr) {
-      r += curr.textContent
-      curr = curr.nextSibling
+    const text = [];
+    let {[NEXT]: next, [END]: end} = this;
+    while (next !== end) {
+      if (next.nodeType === TEXT_NODE)
+        text.push(next.textContent);
+      next = next[NEXT];
     }
-    return r;
+    return text.join('');
   }
 }
 exports.DocumentFragment = DocumentFragment

esm/interface/document-fragment.js

@@ -1,5 +1,6 @@
-import {DOCUMENT_FRAGMENT_NODE} from '../shared/constants.js';
+import {DOCUMENT_FRAGMENT_NODE, TEXT_NODE} from '../shared/constants.js';
 import {NonElementParentNode} from '../mixin/non-element-parent-node.js';
+import {NEXT, END} from '../shared/symbols.js'
 
 /**
  * @implements globalThis.DocumentFragment
@@ -10,12 +11,13 @@ export class DocumentFragment extends NonElementParentNode {
   }
 
   get textContent() {
-    let r = ""
-    let curr = this.firstChild
-    while (curr) {
-      r += curr.textContent
-      curr = curr.nextSibling
+    const text = [];
+    let {[NEXT]: next, [END]: end} = this;
+    while (next !== end) {
+      if (next.nodeType === TEXT_NODE)
+        text.push(next.textContent);
+      next = next[NEXT];
     }
-    return r;
+    return text.join('');
   }
 }

worker.js

@@ -7170,13 +7170,14 @@ let DocumentFragment$1 = class DocumentFragment extends NonElementParentNode {
   }
 
   get textContent() {
-    let r = "";
-    let curr = this.firstChild;
-    while (curr) {
-      r += curr.textContent;
-      curr = curr.nextSibling;
+    const text = [];
+    let {[NEXT]: next, [END]: end} = this;
+    while (next !== end) {
+      if (next.nodeType === TEXT_NODE)
+        text.push(next.textContent);
+      next = next[NEXT];
     }
-    return r;
+    return text.join('');
   }
 };