add: CodeMirror

frontend-assembly/build-codemirror6.sh

@@ -0,0 +1,153 @@
+#!/usr/bin/env bash
+# Скрипт создаёт временную рабочую папку, ставит зависимости через `npm ci`, собирает
+# минимизированный бандл и затем сам удаляет временные `src/` и `node_modules/`.
+# В проекте остаётся только готовая статика:
+# * `public/static/codemirror/editor.js`
+#
+# Запуск:
+# bash ./frontend-assembly/build-codemirror6.sh
+
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+OUTPUT_DIR="$ROOT_DIR/../public/static/codemirror"
+WORK_DIR="$(mktemp -d "${TMPDIR:-/tmp}/codemirror6.XXXXXX")"
+
+log() {
+  printf '[codemirror6] %s\n' "$*"
+}
+
+fail() {
+  printf '[codemirror6] %s\n' "$*" >&2
+  exit 1
+}
+
+cleanup() {
+  rm -rf "$WORK_DIR"
+  rm -rf "$ROOT_DIR/src" "$ROOT_DIR/node_modules"
+}
+
+trap cleanup EXIT INT TERM
+
+if ! command -v npm >/dev/null 2>&1; then
+  fail 'Не найден `npm`. Установи Node.js и повтори сборку.'
+fi
+
+if [[ ! -f "$ROOT_DIR/package.json" ]]; then
+  fail "Не найден package.json: $ROOT_DIR/package.json"
+fi
+
+if [[ ! -f "$ROOT_DIR/package-lock.json" ]]; then
+  fail "Не найден package-lock.json: $ROOT_DIR/package-lock.json"
+fi
+
+mkdir -p "$WORK_DIR/src" "$OUTPUT_DIR"
+cp "$ROOT_DIR/package.json" "$ROOT_DIR/package-lock.json" "$WORK_DIR/"
+
+cat > "$WORK_DIR/src/editor.js" <<'EOF'
+import { Compartment, EditorState } from '@codemirror/state';
+import { EditorView } from '@codemirror/view';
+import { defaultHighlightStyle, syntaxHighlighting } from '@codemirror/language';
+import { html } from '@codemirror/lang-html';
+import { javascript } from '@codemirror/lang-javascript';
+import { css } from '@codemirror/lang-css';
+import { solarizedDark, solarizedLight } from '@uiw/codemirror-theme-solarized';
+import { lineNumbers } from '@codemirror/view';
+
+const themeCompartment = new Compartment();
+
+function isDarkTheme() {
+  const rootTheme = document.documentElement.dataset.theme;
+
+  if (rootTheme === 'dark') {
+    return true;
+  }
+
+  if (rootTheme === 'light') {
+    return false;
+  }
+
+  return window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches;
+}
+
+function reconfigureTheme(view) {
+  view.dispatch({
+    effects: themeCompartment.reconfigure(isDarkTheme() ? solarizedDark : solarizedLight),
+  });
+}
+
+function initCodeMirrorEditors() {
+  document.querySelectorAll('textarea[data-codemirror-editor]').forEach((textarea) => {
+    const language = textarea.dataset.language || 'html';
+    const initialDoc = textarea.value ?? '';
+    const wrapper = document.createElement('div');
+    wrapper.className = 'cm6-editor-wrapper';
+    textarea.insertAdjacentElement('beforebegin', wrapper);
+    textarea.hidden = true;
+
+    const syncTextarea = EditorView.updateListener.of((update) => {
+      if (update.docChanged) {
+        textarea.value = update.state.doc.toString();
+      }
+    });
+
+    const extensions = [
+      lineNumbers(),
+      EditorView.lineWrapping,
+      syntaxHighlighting(defaultHighlightStyle),
+      syncTextarea,
+      themeCompartment.of(isDarkTheme() ? solarizedDark : solarizedLight),
+    ];
+
+    if (language === 'javascript') {
+      extensions.unshift(javascript());
+    } else if (language === 'css') {
+      extensions.unshift(css());
+    } else {
+      extensions.unshift(html());
+    }
+
+    const state = EditorState.create({
+      doc: initialDoc,
+      extensions,
+    });
+
+    const view = new EditorView({
+      state,
+      parent: wrapper,
+    });
+
+    reconfigureTheme(view);
+
+    const observer = new MutationObserver(() => reconfigureTheme(view));
+    observer.observe(document.documentElement, {
+      attributes: true,
+      attributeFilter: ['data-theme', 'class'],
+    });
+
+    const colorScheme = window.matchMedia('(prefers-color-scheme: dark)');
+    colorScheme.addEventListener('change', () => reconfigureTheme(view));
+
+    textarea.value = view.state.doc.toString();
+  });
+}
+
+if (document.readyState === 'loading') {
+  document.addEventListener('DOMContentLoaded', initCodeMirrorEditors, { once: true });
+} else {
+  initCodeMirrorEditors();
+}
+EOF
+
+log "СОБИРАЮ CodeMirror 6 ДЛЯ ФРОНТЕНДА АДМИНКИ ПРОЕКТА"
+log "Временная рабочая папка: $WORK_DIR"
+cd "$WORK_DIR"
+
+log 'Устанавливаю зависимости через npm ci'
+npm ci
+
+log 'Собираю CodeMirror 6'
+export CM6_OUTPUT_DIR="$OUTPUT_DIR"
+npm run build
+
+log 'ГОТОВО'