fix(merge): incorrect caret position on merge

.editorconfig

@@ -0,0 +1,9 @@
+root = false
+
+[*]
+charset = utf-8
+indent_style = space
+indent_size = 2
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true

dist/paragraph.mjs

@@ -1,5 +1,12 @@
 (function(){"use strict";try{if(typeof document<"u"){var e=document.createElement("style");e.appendChild(document.createTextNode(".ce-paragraph{line-height:1.6em;outline:none}.ce-paragraph[data-placeholder]:empty:before{content:attr(data-placeholder);color:#707684;font-weight:400;opacity:0}.codex-editor--empty .ce-block:first-child .ce-paragraph[data-placeholder]:empty:before{opacity:1}.codex-editor--toolbox-opened .ce-block:first-child .ce-paragraph[data-placeholder]:empty:before,.codex-editor--empty .ce-block:first-child .ce-paragraph[data-placeholder]:empty:focus:before{opacity:0}.ce-paragraph p:first-of-type{margin-top:0}.ce-paragraph p:last-of-type{margin-bottom:0}")),document.head.appendChild(e)}}catch(t){console.error("vite-plugin-css-injected-by-js",t)}})();
 const s = '<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="none" viewBox="0 0 24 24"><path stroke="currentColor" stroke-linecap="round" stroke-width="2" d="M8 9V7.2C8 7.08954 8.08954 7 8.2 7L12 7M16 9V7.2C16 7.08954 15.9105 7 15.8 7L12 7M12 7L12 17M12 17H10M12 17H14"/></svg>';
+function l(i) {
+  const t = document.createElement("div");
+  t.innerHTML = i.trim();
+  for (var e = document.createDocumentFragment(); t.firstChild; )
+    e.appendChild(t.firstChild);
+  return e;
+}
 /**
  * Base Paragraph Block for the Editor.js.
  * Represents a regular text block
@@ -8,7 +15,7 @@ const s = '<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="
  * @copyright CodeX 2018
  * @license The MIT License (MIT)
  */
-class a {
+class n {
   /**
    * Default placeholder for Paragraph Tool
    *
@@ -27,11 +34,11 @@ class a {
    * @param {object} params.api - editor.js api
    * @param {boolean} readOnly - read only mode flag
    */
-  constructor({ data: t, config: e, api: i, readOnly: n }) {
-    this.api = i, this.readOnly = n, this._CSS = {
+  constructor({ data: t, config: e, api: r, readOnly: a }) {
+    this.api = r, this.readOnly = a, this._CSS = {
       block: this.api.styles.block,
       wrapper: "ce-paragraph"
-    }, this.readOnly || (this.onKeyUp = this.onKeyUp.bind(this)), this._placeholder = e.placeholder ? e.placeholder : a.DEFAULT_PLACEHOLDER, this._data = {}, this._element = null, this._preserveBlank = e.preserveBlank !== void 0 ? e.preserveBlank : !1, this.data = t;
+    }, this.readOnly || (this.onKeyUp = this.onKeyUp.bind(this)), this._placeholder = e.placeholder ? e.placeholder : n.DEFAULT_PLACEHOLDER, this._data = t ?? {}, this._element = null, this._preserveBlank = e.preserveBlank !== void 0 ? e.preserveBlank : !1;
   }
   /**
    * Check if text content is empty and set empty string to inner html.
@@ -71,10 +78,9 @@ class a {
    * @public
    */
   merge(t) {
-    const e = {
-      text: this.data.text + t.text
-    };
-    this.data = e;
+    this._data.text += t.text;
+    const e = l(t.text);
+    this._element.appendChild(e), console.log("normalizing"), this._element.normalize();
   }
   /**
    * Validate Paragraph block data:
@@ -108,7 +114,9 @@ class a {
     const e = {
       text: t.detail.data.innerHTML
     };
-    this.data = e;
+    this._data = e, window.requestAnimationFrame(() => {
+      this._element.innerHTML = this._data.text || "";
+    });
   }
   /**
    * Enable Conversion Toolbar. Paragraph can be converted to/from other tools
@@ -139,38 +147,6 @@ class a {
   static get isReadOnlySupported() {
     return !0;
   }
-  /**
-   * Get current Tools`s data
-   *
-   * @returns {ParagraphData} Current data
-   * @private
-   */
-  get data() {
-    if (this._element !== null) {
-      const t = this._element.innerHTML;
-      this._data.text = t;
-    }
-    return this._data;
-  }
-  /**
-   * Store data in plugin:
-   * - at the this._data property
-   * - at the HTML
-   *
-   * @param {ParagraphData} data — data to set
-   * @private
-   */
-  set data(t) {
-    this._data = t || {}, this._element !== null && this.hydrate();
-  }
-  /**
-   * Fill tool's view with data
-   */
-  hydrate() {
-    window.requestAnimationFrame(() => {
-      this._element.innerHTML = this._data.text || "";
-    });
-  }
   /**
    * Used by Editor paste handling API.
    * Provides configuration to handle P tags.
@@ -195,5 +171,5 @@ class a {
   }
 }
 export {
-  a as default
+  n as default
 };

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@editorjs/paragraph",
-  "version": "2.11.3",
+  "version": "2.11.4",
   "keywords": [
     "codex editor",
     "paragraph",

src/index.js

@@ -4,6 +4,7 @@
 import './index.css';
 
 import { IconText } from '@codexteam/icons'
+import makeFragment from './utils/makeFragment';
 
 /**
  * Base Paragraph Block for the Editor.js.
@@ -64,11 +65,9 @@ export default class Paragraph {
      * @type {string}
      */
     this._placeholder = config.placeholder ? config.placeholder : Paragraph.DEFAULT_PLACEHOLDER;
-    this._data = {};
+    this._data = data ?? {};
     this._element = null;
     this._preserveBlank = config.preserveBlank !== undefined ? config.preserveBlank : false;
-
-    this.data = data;
   }
 
   /**
@@ -133,11 +132,17 @@ export default class Paragraph {
    * @public
    */
   merge(data) {
-    const newData = {
-      text : this.data.text + data.text,
-    };
+    this._data.text += data.text;
+
+    /**
+     * We use appendChild instead of innerHTML to keep the links of the existing nodes
+     * (for example, shadow caret)
+     */
+    const fragment = makeFragment(data.text);
 
-    this.data = newData;
+    this._element.appendChild(fragment);
+
+    this._element.normalize();
   }
 
   /**
@@ -179,7 +184,14 @@ export default class Paragraph {
       text: event.detail.data.innerHTML,
     };
 
-    this.data = data;
+    this._data = data;
+
+    /**
+     * We use requestAnimationFrame for performance purposes
+     */
+    window.requestAnimationFrame(() => {
+      this._element.innerHTML = this._data.text || '';
+    });
   }
 
   /**
@@ -212,47 +224,6 @@ export default class Paragraph {
     return true;
   }
 
-  /**
-   * Get current Tools`s data
-   *
-   * @returns {ParagraphData} Current data
-   * @private
-   */
-  get data() {
-    if (this._element !== null) {
-      const text = this._element.innerHTML;
-
-      this._data.text = text;
-    }
-
-    return this._data;
-  }
-
-  /**
-   * Store data in plugin:
-   * - at the this._data property
-   * - at the HTML
-   *
-   * @param {ParagraphData} data — data to set
-   * @private
-   */
-  set data(data) {
-    this._data = data || {};
-
-    if (this._element !== null) {
-      this.hydrate();
-    }
-  }
-
-  /**
-   * Fill tool's view with data
-   */
-  hydrate(){
-    window.requestAnimationFrame(() => {
-      this._element.innerHTML = this._data.text || '';
-    });
-  }
-
   /**
    * Used by Editor paste handling API.
    * Provides configuration to handle P tags.

src/utils/makeFragment.js

@@ -0,0 +1,19 @@
+/**
+ * Create a DocumentFragment and fill it with HTML from a string
+ *
+ * @param {string} htmlString - A string of valid HTML
+ * @returns {DocumentFragment}
+ */
+export default function makeFragment(htmlString) {
+  const tempDiv = document.createElement('div');
+
+  tempDiv.innerHTML = htmlString.trim();
+
+  var fragment = document.createDocumentFragment();
+
+  while (tempDiv.firstChild) {
+    fragment.appendChild(tempDiv.firstChild);
+  }
+
+  return fragment;
+}