From de9c563abd455259b22c4fe2734a60c29f47d788 Mon Sep 17 00:00:00 2001
From: Artur Arseniev <artur.catch@hotmail.it>
Date: Thu, 26 Dec 2024 14:21:02 +0400
Subject: [PATCH] Move parser events

---
 packages/core/src/parser/index.ts            |  9 +++++++
 packages/core/src/parser/model/ParserCss.ts  | 16 ++++++++++---
 packages/core/src/parser/model/ParserHtml.ts |  6 ++---
 packages/core/src/parser/types.ts            | 25 ++++++++++++++++++++
 4 files changed, 50 insertions(+), 6 deletions(-)
 create mode 100644 packages/core/src/parser/types.ts

diff --git a/packages/core/src/parser/index.ts b/packages/core/src/parser/index.ts
index e4ec87f41..a5769125b 100644
--- a/packages/core/src/parser/index.ts
+++ b/packages/core/src/parser/index.ts
@@ -25,14 +25,17 @@
  * @module Parser
  */
 import { Module } from '../abstract';
+import { ObjectAny } from '../common';
 import EditorModel from '../editor/model/Editor';
 import defConfig, { HTMLParserOptions, ParserConfig } from './config/config';
 import ParserCss from './model/ParserCss';
 import ParserHtml from './model/ParserHtml';
+import { ParserEvents } from './types';
 
 export default class ParserModule extends Module<ParserConfig & { name?: string }> {
   parserHtml: ReturnType<typeof ParserHtml>;
   parserCss: ReturnType<typeof ParserCss>;
+  events = ParserEvents;
 
   constructor(em: EditorModel) {
     super(em, 'Parser', defConfig());
@@ -85,5 +88,11 @@ export default class ParserModule extends Module<ParserConfig & { name?: string
     return this.parserCss.parse(input);
   }
 
+  __emitEvent(event: string, data: ObjectAny) {
+    const { em, events } = this;
+    em.trigger(event, data);
+    em.trigger(events.all, { event, ...data });
+  }
+
   destroy() {}
 }
diff --git a/packages/core/src/parser/model/ParserCss.ts b/packages/core/src/parser/model/ParserCss.ts
index 5107485b1..e8605a36c 100644
--- a/packages/core/src/parser/model/ParserCss.ts
+++ b/packages/core/src/parser/model/ParserCss.ts
@@ -3,6 +3,7 @@ import { CssRuleJSON } from '../../css_composer/model/CssRule';
 import EditorModel from '../../editor/model/Editor';
 import { ParsedCssRule, ParserConfig } from '../config/config';
 import BrowserCssParser, { parseSelector, createNode } from './BrowserParserCss';
+import { ParserEvents } from '../types';
 
 const ParserCss = (em?: EditorModel, config: ParserConfig = {}) => ({
   /**
@@ -10,13 +11,22 @@ const ParserCss = (em?: EditorModel, config: ParserConfig = {}) => ({
    * @param  {String} input CSS string
    * @return {Array<Object>}
    */
-  parse(input: string) {
+  parse(input: string, opts: { throwOnError?: boolean } = {}) {
     let output: CssRuleJSON[] = [];
     const { parserCss } = config;
     const editor = em?.Editor;
-    const nodes = parserCss ? parserCss(input, editor!) : BrowserCssParser(input);
+    let nodes: CssRuleJSON[] | ParsedCssRule[] = [];
+    let error: unknown;
+
+    try {
+      nodes = parserCss ? parserCss(input, editor!) : BrowserCssParser(input);
+    } catch (err) {
+      error = err;
+      if (opts.throwOnError) throw err;
+    }
+
     nodes.forEach((node) => (output = output.concat(this.checkNode(node))));
-    em?.trigger('parse:css', { input, output, nodes });
+    em?.Parser.__emitEvent(ParserEvents.css, { input, output, nodes, error });
 
     return output;
   },
diff --git a/packages/core/src/parser/model/ParserHtml.ts b/packages/core/src/parser/model/ParserHtml.ts
index e05c5bd1f..54f58c504 100644
--- a/packages/core/src/parser/model/ParserHtml.ts
+++ b/packages/core/src/parser/model/ParserHtml.ts
@@ -6,9 +6,9 @@ import { HTMLParseResult, HTMLParserOptions, ParseNodeOptions, ParserConfig } fr
 import BrowserParserHtml from './BrowserParserHtml';
 import { doctypeToString } from '../../utils/dom';
 import { isDef } from '../../utils/mixins';
+import { ParserEvents } from '../types';
 
 const modelAttrStart = 'data-gjs-';
-const event = 'parse:html';
 
 const ParserHtml = (em?: EditorModel, config: ParserConfig & { returnArray?: boolean } = {}) => {
   return {
@@ -365,7 +365,7 @@ const ParserHtml = (em?: EditorModel, config: ParserConfig & { returnArray?: boo
         if (styleStr) res.css = parserCss.parse(styleStr);
       }
 
-      em?.trigger(`${event}:root`, { input, root: root });
+      em?.Parser.__emitEvent(ParserEvents.htmlRoot, { input, root });
       let resHtml: HTMLParseResult['html'] = [];
 
       if (asDocument) {
@@ -379,7 +379,7 @@ const ParserHtml = (em?: EditorModel, config: ParserConfig & { returnArray?: boo
       }
 
       res.html = resHtml;
-      em?.trigger(event, { input, output: res, options });
+      em?.Parser.__emitEvent(ParserEvents.html, { input, output: res, options });
 
       return res;
     },
diff --git a/packages/core/src/parser/types.ts b/packages/core/src/parser/types.ts
new file mode 100644
index 000000000..bf1e2bcf3
--- /dev/null
+++ b/packages/core/src/parser/types.ts
@@ -0,0 +1,25 @@
+/**{START_EVENTS}*/
+export enum ParserEvents {
+  /**
+   * @event `parse:html` On HTML parse, an object containing the input and the output of the parser is passed as an argument.
+   * @example
+   * editor.on('parse:html', ({ input, output }) => { ... });
+   */
+  html = 'parse:html',
+  htmlRoot = 'parse:html:root',
+
+  /**
+   * @event `parse:css` On CSS parse, an object containing the input and the output of the parser is passed as an argument.
+   * @example
+   * editor.on('parse:css', ({ input, output }) => { ... });
+   */
+  css = 'parse:css',
+
+  /**
+   * @event `parse` Catch-all event for all the events mentioned above. An object containing all the available data about the triggered event is passed as an argument to the callback.
+   * @example
+   * editor.on('parse', ({ event, ... }) => { ... });
+   */
+  all = 'parse',
+}
+/**{END_EVENTS}*/