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This commit is contained in:
Víctor Losada Hernández
2026-03-25 17:23:38 +01:00
parent 456c149f7b
commit 52f2f532a7
1 changed files with 94 additions and 107 deletions
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201
client/components/codeEditor/codeEditor.jsx
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@@ -1,9 +1,6 @@
import "./codeEditor.less";
import React, { useEffect, useRef, forwardRef, useImperativeHandle } from "react";
import './codeEditor.less';
import React, { useEffect, useRef, forwardRef, useImperativeHandle } from 'react';
import { EditorState } from "@codemirror/state";
import { defaultKeymap, history, historyField, undo, redo } from "@codemirror/commands";
import { foldGutter, foldKeymap } from "@codemirror/language";
import {
EditorView,
keymap,
@@ -11,65 +8,54 @@ import {
highlightActiveLineGutter,
highlightActiveLine,
scrollPastEnd,
} from "@codemirror/view";
import { markdown, markdownLanguage } from "@codemirror/lang-markdown";
import { languages } from "@codemirror/language-data";
import { css } from "@codemirror/lang-css";
import { basicLightHighlightStyle } from "cm6-theme-basic-light";
Decoration,
ViewPlugin,
} from '@codemirror/view';
import { EditorState, Compartment } from '@codemirror/state';
import { foldGutter, foldKeymap, syntaxHighlighting, HighlightStyle } from '@codemirror/language';
import { defaultKeymap, history, historyField, undo, redo } from '@codemirror/commands';
import { languages } from '@codemirror/language-data';
import { css } from '@codemirror/lang-css';
import { markdown, markdownLanguage } from '@codemirror/lang-markdown';
// themes
import { tags } from '@lezer/highlight';
import * as themes from "@uiw/codemirror-themes-all";
// ######################### THEMES #############################
const themeList = Object.entries(themes)
.filter(([name, value]) => Array.isArray(value) && !name.endsWith("Init") && !name.endsWith("Style"))
.map(([name, theme]) => ({
name,
theme,
}));
console.log(themeList);
import { Compartment } from "@codemirror/state";
import * as themes from '@uiw/codemirror-themes-all';
const themeCompartment = new Compartment();
// custom highlighting
import { HighlightStyle } from "@codemirror/language";
import { syntaxHighlighting } from "@codemirror/language";
import { tags } from "@lezer/highlight";
// ######################### CUSTOM HIGHLIGHTS #############################
const highlightStyle = HighlightStyle.define([
{
tag: tags.heading1,
color: "black",
fontSize: "1.75em",
fontWeight: "700",
class: "cm-header cm-header-1",
tag : tags.heading1,
color : 'black',
fontSize : '1.75em',
fontWeight : '700',
class : 'cm-header cm-header-1',
},
{
tag: tags.processingInstruction,
color: "blue",
tag : tags.processingInstruction,
color : 'blue',
},
// …
]);
/*custom tokens */
import { Decoration, ViewPlugin, WidgetType } from "@codemirror/view";
import { tokenizeCustomMarkdown, customTags } from "./customMarkdownGrammar.js";
import { tokenizeCustomMarkdown, customTags } from './customMarkdownGrammar.js';
const customHighlightStyle = HighlightStyle.define([
{ tag: tags.heading1, color: "#000", fontWeight: "700" },
{ tag: tags.keyword, color: "#07a" }, // example for your markdown headings
{ tag: customTags.pageLine, color: "#f0a" },
{ tag: customTags.snippetBreak, class: "cm-snippet-break", color: "#0af" },
{ tag: customTags.inlineBlock, class: "cm-inline-block", backgroundColor: "#fffae6" },
{ tag: customTags.emoji, class: "cm-emoji", color: "#fa0" },
{ tag: customTags.superscript, class: "cm-superscript", verticalAlign: "super", fontSize: "0.8em" },
{ tag: customTags.subscript, class: "cm-subscript", verticalAlign: "sub", fontSize: "0.8em" },
{ tag: customTags.definitionTerm, class: "cm-dt", fontWeight: "bold", color: "#0a0" },
{ tag: customTags.definitionDesc, class: "cm-dd", color: "#070" },
{ tag: tags.heading1, color: '#000', fontWeight: '700' },
{ tag: tags.keyword, color: '#07a' }, // example for your markdown headings
{ tag: customTags.pageLine, color: '#f0a' },
{ tag: customTags.snippetBreak, class: 'cm-snippet-break', color: '#0af' },
{ tag: customTags.inlineBlock, class: 'cm-inline-block', backgroundColor: '#fffae6' },
{ tag: customTags.emoji, class: 'cm-emoji', color: '#fa0' },
{ tag: customTags.superscript, class: 'cm-superscript', verticalAlign: 'super', fontSize: '0.8em' },
{ tag: customTags.subscript, class: 'cm-subscript', verticalAlign: 'sub', fontSize: '0.8em' },
{ tag: customTags.definitionTerm, class: 'cm-dt', fontWeight: 'bold', color: '#0a0' },
{ tag: customTags.definitionDesc, class: 'cm-dd', color: '#070' },
]);
const customHighlightPlugin = ViewPlugin.fromClass(
@@ -78,7 +64,7 @@ const customHighlightPlugin = ViewPlugin.fromClass(
this.decorations = this.buildDecorations(view);
}
update(update) {
if (update.docChanged) {
if(update.docChanged) {
this.decorations = this.buildDecorations(update.view);
}
}
@@ -86,10 +72,10 @@ const customHighlightPlugin = ViewPlugin.fromClass(
const decos = [];
const tokens = tokenizeCustomMarkdown(view.state.doc.toString());
tokens.forEach((tok) => {
tokens.forEach((tok)=>{
const line = view.state.doc.line(tok.line + 1);
if (tok.from != null && tok.to != null && tok.from < tok.to) {
if(tok.from != null && tok.to != null && tok.from < tok.to) {
// inline decoration
decos.push(
Decoration.mark({ class: `cm-${tok.type}` }).range(line.from + tok.from, line.from + tok.to),
@@ -101,76 +87,77 @@ const customHighlightPlugin = ViewPlugin.fromClass(
});
// sort by absolute start position
decos.sort((a, b) => a.from - b.from || a.to - b.to);
decos.sort((a, b)=>a.from - b.from || a.to - b.to);
return Decoration.set(decos);
}
},
{
decorations: (v) => v.decorations,
decorations : (v)=>v.decorations,
},
);
// ######################### COMPONENT #############################
const CodeEditor = forwardRef(
(
{
value = "",
onChange = () => {},
language = "",
tab = "brewText",
editorTheme = "default",
value = '',
onChange = ()=>{},
language = '',
tab = 'brewText',
editorTheme = 'default',
view,
style,
...props
},
ref,
) => {
)=>{
const editorRef = useRef(null);
const viewRef = useRef(null);
const docsRef = useRef({});
const prevTabRef = useRef(tab);
// --- init editor ---
const createExtensions = ({ onChange, language, editorTheme }) => {
const updateListener = EditorView.updateListener.of((update) => {
if (update.docChanged) {
const createExtensions = ({ onChange, language, editorTheme })=>{
const updateListener = EditorView.updateListener.of((update)=>{
if(update.docChanged) {
onChange(update.state.doc.toString());
}
});
const boldCommand = (view) => {
const boldCommand = (view)=>{
const { from, to } = view.state.selection.main;
const selected = view.state.doc.sliceString(from, to);
const text = `**${selected}**`;
view.dispatch({
changes: { from, to, insert: text },
selection: { anchor: from + text.length },
changes : { from, to, insert: text },
selection : { anchor: from + text.length },
});
return true;
};
const italicCommand = (view) => {
const italicCommand = (view)=>{
const { from, to } = view.state.selection.main;
const selected = view.state.doc.sliceString(from, to);
const text = `*${selected}*`;
view.dispatch({
changes: { from, to, insert: text },
selection: { anchor: from + text.length },
changes : { from, to, insert: text },
selection : { anchor: from + text.length },
});
return true;
};
const customKeymap = keymap.of([
{ key: "Mod-b", run: boldCommand },
{ key: "Mod-i", run: italicCommand },
{ key: 'Mod-b', run: boldCommand },
{ key: 'Mod-i', run: italicCommand },
]);
const languageExtension =
language === "css" ? css() : markdown({ base: markdownLanguage, codeLanguages: languages });
language === 'css' ? css() : markdown({ base: markdownLanguage, codeLanguages: languages });
const themeExtension = Array.isArray(themes[editorTheme]) ? themes[editorTheme] : [];
@@ -196,43 +183,43 @@ const CodeEditor = forwardRef(
];
};
useEffect(() => {
if (!editorRef.current) return;
useEffect(()=>{
if(!editorRef.current) return;
// create initial editor state
const state = EditorState.create({
doc: value,
extensions: createExtensions({ onChange, language, editorTheme }),
doc : value,
extensions : createExtensions({ onChange, language, editorTheme }),
});
viewRef.current = new EditorView({
state,
parent: editorRef.current,
parent : editorRef.current,
});
// save initial state for current tab
docsRef.current[tab] = state;
return () => viewRef.current?.destroy();
return ()=>viewRef.current?.destroy();
}, []);
useEffect(() => {
useEffect(()=>{
const view = viewRef.current;
if (!view) return;
if(!view) return;
const prevTab = prevTabRef.current;
if (prevTab !== tab) {
if(prevTab !== tab) {
// save current state
docsRef.current[prevTab] = view.state;
// restore or create
let nextState = docsRef.current[tab];
if (!nextState) {
if(!nextState) {
nextState = EditorState.create({
doc: value,
extensions: createExtensions({ onChange, language, editorTheme }),
doc : value,
extensions : createExtensions({ onChange, language, editorTheme }),
});
}
@@ -241,76 +228,76 @@ const CodeEditor = forwardRef(
}
}, [tab]);
useEffect(() => {
useEffect(()=>{
const view = viewRef.current;
if (!view) return;
if(!view) return;
const current = view.state.doc.toString();
if (value !== current) {
if(value !== current) {
view.dispatch({
changes: { from: 0, to: current.length, insert: value },
changes : { from: 0, to: current.length, insert: value },
});
}
}, [value]);
useEffect(() => { //rebuild theme extension on theme change
useEffect(()=>{
//rebuild theme extension on theme change
const view = viewRef.current;
if (!view) return;
if(!view) return;
const themeExtension = Array.isArray(themes[editorTheme]) ? themes[editorTheme] : [];
view.dispatch({
effects: themeCompartment.reconfigure(themeExtension),
effects : themeCompartment.reconfigure(themeExtension),
});
}, [editorTheme]);
useImperativeHandle(ref, ()=>({
getValue : ()=>viewRef.current.state.doc.toString(),
useImperativeHandle(ref, () => ({
getValue: () => viewRef.current.state.doc.toString(),
setValue: (text) => {
setValue : (text)=>{
const view = viewRef.current;
view.dispatch({
changes: { from: 0, to: view.state.doc.length, insert: text },
changes : { from: 0, to: view.state.doc.length, insert: text },
});
},
injectText: (text) => {
injectText : (text)=>{
const view = viewRef.current;
const { from, to } = view.state.selection.main;
view.dispatch({
changes: { from, to, insert: text },
selection: { anchor: from + text.length },
changes : { from, to, insert: text },
selection : { anchor: from + text.length },
});
view.focus();
},
getCursorPosition: () => viewRef.current.state.selection.main.head,
getCursorPosition : ()=>viewRef.current.state.selection.main.head,
setCursorPosition: (pos) => {
setCursorPosition : (pos)=>{
viewRef.current.dispatch({ selection: { anchor: pos } });
viewRef.current.focus();
},
undo: () => undo(viewRef.current),
redo: () => redo(viewRef.current),
undo : ()=>undo(viewRef.current),
redo : ()=>redo(viewRef.current),
historySize: () => {
historySize : ()=>{
const view = viewRef.current;
if (!view) return { done: 0, undone: 0 };
if(!view) return { done: 0, undone: 0 };
const h = view.state.field(historyField, false);
if (!h) return { done: 0, undone: 0 };
if(!h) return { done: 0, undone: 0 };
return { done: h.done.length, undone: h.undone.length };
},
focus: () => viewRef.current.focus(),
focus : ()=>viewRef.current.focus(),
}));
return <div className="codeEditor" ref={editorRef} style={style} />;
return <div className='codeEditor' ref={editorRef} style={style} />;
},
);