siyuan/app/src/protyle/ui/setCodeTheme.ts

import {Constants} from "../../constants";
import {addStyle} from "../util/addStyle";

export const setCodeTheme = (cdn = Constants.PROTYLE_CDN) => {
    const protyleHljsStyle = document.getElementById("protyleHljsStyle") as HTMLLinkElement;
    let css;
    if (window.siyuan.config.appearance.mode === 0) {
        css = window.siyuan.config.appearance.codeBlockThemeLight;
        if (!Constants.SIYUAN_CONFIG_APPEARANCE_LIGHT_CODE.includes(css)) {
            css = "default";
        }
    } else {
        css = window.siyuan.config.appearance.codeBlockThemeDark;
        if (!Constants.SIYUAN_CONFIG_APPEARANCE_DARK_CODE.includes(css)) {
            css = "github-dark";
        }
    }
    const href = `${cdn}/js/highlight.js/styles/${css}.min.css?v=11.5.0`;
    if (!protyleHljsStyle) {
        addStyle(href, "protyleHljsStyle");
    } else if (!protyleHljsStyle.href.includes(href)) {
        protyleHljsStyle.remove();
        addStyle(href, "protyleHljsStyle");
    }
};