Method updateSearchHighlights

src/core/nodeviews/code-block.ts:1363–1394

* 更新搜索高亮（将 ProseMirror 搜索状态映射到 CodeMirror 装饰）

()

   * 更新搜索高亮（将 ProseMirror 搜索状态映射到 CodeMirror 装饰）
   */
  private updateSearchHighlights(): void {
    const pos = this.getPos();
    if (pos === undefined) return;

    const searchState = searchPluginKey.getState(this.view.state);
    if (!searchState || !searchState.query || searchState.matches.length === 0) {
      this.cm.dispatch({
        effects: this.searchHighlightCompartment.reconfigure([]),
      });
      return;
    }

    const nodeStart = pos + 1;
    const nodeEnd = pos + 1 + this.node.content.size;

    const cmRanges = searchState.matches
      .map((m, i) => ({ ...m, index: i }))
      .filter((m) => m.from >= nodeStart && m.to <= nodeEnd)
      .map((m) => {
        const cls =
          m.index === searchState.currentIndex
            ? "milkup-search-match milkup-search-match-current"
            : "milkup-search-match";
        return CMDecoration.mark({ class: cls }).range(m.from - nodeStart, m.to - nodeStart);
      });

    const decoSet = cmRanges.length > 0 ? CMDecoration.set(cmRanges, true) : CMDecoration.none;

    this.cm.dispatch({
      effects: this.searchHighlightCompartment.reconfigure(EditorView.decorations.of(decoSet)),
    });
  }

  /**
   * 设置语言