refactor: 从 settings.php 和 functions.php 中移除所有 Mermaid 支持
- 从 settings.php 移除完整的 Mermaid 设置部分(约 370 行) - 从 settings.php 移除 Mermaid 选项保存代码 - 从 functions.php 移除所有 Mermaid 相关函数(约 500 行) - 从 header.php 移除 Mermaid 相关注释 - 保留 assets/vendor/mermaid/ 库文件供未来可能的插件使用
This commit is contained in:
708
functions.php
708
functions.php
@@ -10939,725 +10939,17 @@ function argon_normalize_social_url($platform, $input) {
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// ==========================================================================
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/**
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* 获取 Mermaid 配置选项
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*
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* @param string $option_name 配置选项名称
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* @param mixed $default 默认值
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* @return mixed 配置选项值
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*/
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function argon_get_mermaid_option($option_name, $default = null) {
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// 配置选项映射表
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$option_map = [
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'enabled' => 'argon_enable_mermaid',
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'cdn_source' => 'argon_mermaid_cdn_source',
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'custom_cdn_url' => 'argon_mermaid_cdn_custom_url',
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'theme' => 'argon_mermaid_theme',
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'use_local' => 'argon_mermaid_use_local',
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'debug_mode' => 'argon_mermaid_debug_mode'
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];
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// 如果使用简短名称,转换为完整选项名
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$full_option_name = isset($option_map[$option_name]) ? $option_map[$option_name] : $option_name;
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// 获取选项值
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$value = get_option($full_option_name, $default);
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// 如果值为 null 且有默认值,返回默认值
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if ($value === null && $default !== null) {
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return $default;
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}
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return $value;
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}
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/**
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* 保存 Mermaid 配置选项
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*
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* @param string $option_name 配置选项名称
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* @param mixed $value 配置选项值
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* @return bool 是否保存成功
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*/
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function argon_update_mermaid_option($option_name, $value) {
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// 配置选项映射表
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$option_map = [
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'enabled' => 'argon_enable_mermaid',
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'cdn_source' => 'argon_mermaid_cdn_source',
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'custom_cdn_url' => 'argon_mermaid_cdn_custom_url',
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'theme' => 'argon_mermaid_theme',
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'use_local' => 'argon_mermaid_use_local',
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'debug_mode' => 'argon_mermaid_debug_mode'
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];
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// 如果使用简短名称,转换为完整选项名
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$full_option_name = isset($option_map[$option_name]) ? $option_map[$option_name] : $option_name;
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// 保存选项值
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return update_option($full_option_name, $value);
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}
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/**
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* 验证 Mermaid CDN URL 格式
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*
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* @param string $url CDN URL
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* @return bool 是否为有效的 CDN URL
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*/
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function argon_validate_mermaid_cdn_url($url) {
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// 空 URL 视为无效
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if (empty(trim($url))) {
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return false;
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}
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// 验证 URL 格式
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if (!filter_var($url, FILTER_VALIDATE_URL)) {
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return false;
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}
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// 验证是否以 .js 结尾
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if (!preg_match('/\.js$/i', $url)) {
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return false;
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}
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// 验证协议(必须是 http 或 https)
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$parsed_url = parse_url($url);
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if (!isset($parsed_url['scheme']) || !in_array($parsed_url['scheme'], ['http', 'https'])) {
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return false;
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}
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return true;
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}
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/**
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* 获取当前主题模式对应的 Mermaid 主题
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*
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* @return string Mermaid 主题名称
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*/
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function argon_get_mermaid_theme() {
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// 获取配置的主题
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$configured_theme = argon_get_mermaid_option('theme', 'auto');
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// 如果不是自动模式,直接返回配置的主题
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if ($configured_theme !== 'auto') {
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return $configured_theme;
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}
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// 自动模式:根据页面主题返回对应的 Mermaid 主题
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// 注意:这个函数在 PHP 端调用,无法直接检测前端的夜间模式状态
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// 实际的主题切换逻辑应该在 JavaScript 中实现
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// 这里返回默认主题,JavaScript 会根据实际情况覆盖
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return 'default';
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}
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/**
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* 获取 Mermaid 配置的默认值
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*
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* @return array 默认配置数组
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*/
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function argon_get_mermaid_default_config() {
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return [
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'enabled' => false,
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'cdn_source' => 'jsdelivr',
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'custom_cdn_url' => '',
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'theme' => 'auto',
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'use_local' => false,
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'debug_mode' => false
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];
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}
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/**
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* 验证 Mermaid 配置选项
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*
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* @param array $settings 配置选项数组
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* @return array 错误信息数组,如果没有错误则返回空数组
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*/
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function argon_validate_mermaid_settings($settings) {
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$errors = [];
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// 验证 CDN 来源
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if (isset($settings['cdn_source'])) {
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$valid_sources = ['jsdelivr', 'unpkg', 'custom', 'local'];
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if (!in_array($settings['cdn_source'], $valid_sources)) {
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$errors[] = __('无效的 CDN 来源', 'argon');
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}
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// 如果选择自定义 CDN,验证 URL
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if ($settings['cdn_source'] === 'custom') {
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if (!isset($settings['custom_cdn_url']) || empty($settings['custom_cdn_url'])) {
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$errors[] = __('自定义 CDN 地址不能为空', 'argon');
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} elseif (!argon_validate_mermaid_cdn_url($settings['custom_cdn_url'])) {
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$errors[] = __('CDN 地址格式无效,必须是有效的 URL 且以 .js 结尾', 'argon');
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}
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}
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}
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// 验证主题名称
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if (isset($settings['theme'])) {
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$valid_themes = ['default', 'dark', 'forest', 'neutral', 'auto'];
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if (!in_array($settings['theme'], $valid_themes)) {
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$errors[] = __('无效的图表主题', 'argon');
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}
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}
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// 验证布尔值选项
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$boolean_options = ['enabled', 'use_local', 'debug_mode'];
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foreach ($boolean_options as $option) {
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if (isset($settings[$option]) && !is_bool($settings[$option]) && !in_array($settings[$option], ['true', 'false', '1', '0', 1, 0], true)) {
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$errors[] = sprintf(__('选项 %s 必须是布尔值', 'argon'), $option);
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}
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}
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return $errors;
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}
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/**
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* 初始化 Mermaid 默认配置
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* 在主题激活时调用
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*/
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function argon_init_mermaid_config() {
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$defaults = argon_get_mermaid_default_config();
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foreach ($defaults as $key => $value) {
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// 只在选项不存在时设置默认值
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if (argon_get_mermaid_option($key) === false) {
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argon_update_mermaid_option($key, $value);
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}
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}
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}
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/**
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* 获取所有 Mermaid 配置选项
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*
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* @return array 配置选项数组
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*/
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function argon_get_all_mermaid_options() {
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$defaults = argon_get_mermaid_default_config();
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$options = [];
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foreach ($defaults as $key => $default_value) {
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$options[$key] = argon_get_mermaid_option($key, $default_value);
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}
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return $options;
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}
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/**
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* 批量更新 Mermaid 配置选项
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*
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* @param array $settings 配置选项数组
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* @return array 包含 success 和 errors 的结果数组
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*/
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function argon_update_mermaid_settings($settings) {
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// 验证配置
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$errors = argon_validate_mermaid_settings($settings);
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if (!empty($errors)) {
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return [
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'success' => false,
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'errors' => $errors
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];
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}
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// 保存配置
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$defaults = argon_get_mermaid_default_config();
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foreach ($defaults as $key => $default_value) {
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if (isset($settings[$key])) {
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argon_update_mermaid_option($key, $settings[$key]);
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}
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}
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return [
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'success' => true,
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'errors' => []
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];
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}
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// ==========================================================================
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/**
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* 检测页面内容是否包含 Mermaid 代码块
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*
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* 支持 Shortcode 格式:
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* - [mermaid]...[/mermaid]
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*
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* @param string $content 页面内容
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* @return bool 是否包含 Mermaid 代码块
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*/
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function argon_has_mermaid_content($content) {
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if (empty($content)) {
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return false;
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}
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// 检测多种 Mermaid 代码块格式
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$patterns = [
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'/\[mermaid[^\]]*\]/i'
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];
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foreach ($patterns as $pattern) {
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if (preg_match($pattern, $content)) {
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return true;
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}
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}
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return false;
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}
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/**
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* 获取 Mermaid 库的 URL
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* 根据配置返回对应的 CDN 或本地路径
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*
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* @return string Mermaid 库 URL
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*/
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function argon_get_mermaid_library_url() {
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$cdn_source = argon_get_mermaid_option('cdn_source', 'jsdelivr');
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$use_local = argon_get_mermaid_option('use_local', false);
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// 如果启用本地镜像,直接返回本地路径
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if ($use_local) {
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return get_template_directory_uri() . '/assets/vendor/mermaid/mermaid.min.js';
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}
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// 根据 CDN 来源返回对应的 URL
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$cdn_urls = [
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'jsdelivr' => 'https://cdn.jsdelivr.net/npm/mermaid@11/dist/mermaid.min.js',
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'unpkg' => 'https://unpkg.com/mermaid@11/dist/mermaid.min.js',
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'local' => get_template_directory_uri() . '/assets/vendor/mermaid/mermaid.min.js'
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];
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// 如果是自定义 CDN,返回自定义 URL
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if ($cdn_source === 'custom') {
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$custom_url = argon_get_mermaid_option('custom_cdn_url', '');
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if (!empty($custom_url) && argon_validate_mermaid_cdn_url($custom_url)) {
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return $custom_url;
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}
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// 如果自定义 URL 无效,降级到 jsdelivr
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return $cdn_urls['jsdelivr'];
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}
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// 返回对应的 CDN URL,如果不存在则返回 jsdelivr
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return isset($cdn_urls[$cdn_source]) ? $cdn_urls[$cdn_source] : $cdn_urls['jsdelivr'];
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}
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/**
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* 获取备用 CDN URL 列表
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* 用于加载失败时的降级处理
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*
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* @return array 备用 CDN URL 数组
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*/
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function argon_get_mermaid_fallback_urls() {
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return [
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'https://cdn.jsdelivr.net/npm/mermaid@11/dist/mermaid.min.js',
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'https://unpkg.com/mermaid@11/dist/mermaid.min.js',
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get_template_directory_uri() . '/assets/vendor/mermaid/mermaid.min.js'
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];
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}
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/**
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* 加载 Mermaid JavaScript 库
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* 在 wp_enqueue_scripts 钩子中调用
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*/
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function argon_enqueue_mermaid_scripts() {
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// 检查是否启用 Mermaid 支持
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if (!argon_get_mermaid_option('enabled', false)) {
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return;
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}
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// 检查当前页面是否包含 Mermaid 代码块
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global $post;
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$has_mermaid = false;
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// 检查文章内容
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if (is_singular() && isset($post->post_content)) {
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$has_mermaid = argon_has_mermaid_content($post->post_content);
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}
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// 检查评论内容(如果启用了评论)
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if (!$has_mermaid && is_singular() && comments_open()) {
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$comments = get_comments([
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'post_id' => $post->ID,
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'status' => 'approve'
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]);
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foreach ($comments as $comment) {
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if (argon_has_mermaid_content($comment->comment_content)) {
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$has_mermaid = true;
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break;
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}
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}
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}
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// 如果页面不包含 Mermaid 代码块,不加载库
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if (!$has_mermaid) {
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return;
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}
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// 检查是否应该加载 Mermaid 库(避免与插件冲突)
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$should_load_library = argon_should_load_mermaid_library();
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// 传递配置到前端
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$mermaid_config = [
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'enabled' => true,
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'theme' => argon_get_mermaid_option('theme', 'auto'),
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'debugMode' => argon_get_mermaid_option('debug_mode', false),
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'fallbackUrls' => argon_get_mermaid_fallback_urls(),
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'libraryLoadedByPlugin' => !$should_load_library // 标记库是否由插件加载
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];
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// 只有在没有插件加载 Mermaid 库时才加载
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if ($should_load_library) {
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// 获取 Mermaid 库 URL
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$mermaid_url = argon_get_mermaid_library_url();
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// 注册并加载 Mermaid 库
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wp_enqueue_script(
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'mermaid',
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$mermaid_url,
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[], // 不依赖其他脚本
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'10.0.0', // Mermaid 版本
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true // 在页脚加载
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);
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// 添加 async 属性实现异步加载
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add_filter('script_loader_tag', 'argon_add_mermaid_async_attribute', 10, 2);
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wp_localize_script('mermaid', 'argonMermaidConfig', $mermaid_config);
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} else {
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// 即使不加载库,也要传递配置(用于样式增强)
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// 创建一个内联脚本来传递配置
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wp_add_inline_script(
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'jquery', // 依赖 jQuery(WordPress 默认加载)
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'window.argonMermaidConfig = ' . json_encode($mermaid_config) . ';',
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'after'
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);
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}
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}
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add_action('wp_enqueue_scripts', 'argon_enqueue_mermaid_scripts');
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/**
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* 为 Mermaid 脚本添加 async 属性
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*
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* @param string $tag 脚本标签
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* @param string $handle 脚本句柄
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* @return string 修改后的脚本标签
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*/
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function argon_add_mermaid_async_attribute($tag, $handle) {
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if ('mermaid' !== $handle) {
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return $tag;
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}
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// 添加 async 属性和 onerror 事件处理
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$tag = str_replace(' src', ' async onerror="argonMermaidLoadFallback()" src', $tag);
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return $tag;
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}
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/**
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* 添加 Mermaid 库加载失败的降级处理脚本
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*/
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function argon_add_mermaid_fallback_script() {
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// 只在启用 Mermaid 且页面包含 Mermaid 代码块时添加
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if (!argon_get_mermaid_option('enabled', false)) {
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return;
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}
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global $post;
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$has_mermaid = false;
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if (is_singular() && isset($post->post_content)) {
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$has_mermaid = argon_has_mermaid_content($post->post_content);
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}
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if (!$has_mermaid) {
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return;
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}
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// 获取备用 CDN URL 列表
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$fallback_urls = argon_get_mermaid_fallback_urls();
|
||||
$fallback_urls_json = json_encode($fallback_urls);
|
||||
|
||||
// 输出降级处理脚本
|
||||
?>
|
||||
<script>
|
||||
// Mermaid 库加载失败的降级处理
|
||||
(function() {
|
||||
'use strict';
|
||||
|
||||
// 备用 CDN URL 列表
|
||||
const fallbackUrls = <?php echo $fallback_urls_json; ?>;
|
||||
let loadAttempted = false;
|
||||
|
||||
/**
|
||||
* 尝试从备用 CDN 加载 Mermaid 库
|
||||
*/
|
||||
window.argonMermaidLoadFallback = function() {
|
||||
// 避免重复调用
|
||||
if (loadAttempted) {
|
||||
return;
|
||||
}
|
||||
loadAttempted = true;
|
||||
|
||||
console.warn('[Argon Mermaid] 主 CDN 加载失败,尝试备用 CDN');
|
||||
|
||||
// 尝试加载备用 CDN
|
||||
loadMermaidWithFallback(fallbackUrls, 0);
|
||||
};
|
||||
|
||||
/**
|
||||
* 递归加载备用 CDN
|
||||
* @param {Array} urls - CDN URL 列表
|
||||
* @param {number} index - 当前尝试的索引
|
||||
*/
|
||||
function loadMermaidWithFallback(urls, index) {
|
||||
// 如果所有 CDN 都失败了
|
||||
if (index >= urls.length) {
|
||||
console.error('[Argon Mermaid] 所有 CDN 加载失败');
|
||||
showGlobalError();
|
||||
return;
|
||||
}
|
||||
|
||||
const url = urls[index];
|
||||
console.log(`[Argon Mermaid] 尝试从备用 CDN 加载: ${url}`);
|
||||
|
||||
// 创建 script 标签
|
||||
const script = document.createElement('script');
|
||||
script.src = url;
|
||||
script.async = true;
|
||||
|
||||
// 加载失败,尝试下一个 CDN
|
||||
script.onerror = function() {
|
||||
console.warn(`[Argon Mermaid] CDN ${url} 加载失败`);
|
||||
loadMermaidWithFallback(urls, index + 1);
|
||||
};
|
||||
|
||||
// 加载成功,初始化 Mermaid
|
||||
script.onload = function() {
|
||||
console.log(`[Argon Mermaid] 成功从备用 CDN 加载: ${url}`);
|
||||
|
||||
// 等待 MermaidRenderer 可用
|
||||
if (typeof window.MermaidRenderer !== 'undefined') {
|
||||
window.MermaidRenderer.init();
|
||||
} else {
|
||||
// 如果 MermaidRenderer 还未定义,等待一下
|
||||
setTimeout(function() {
|
||||
if (typeof window.MermaidRenderer !== 'undefined') {
|
||||
window.MermaidRenderer.init();
|
||||
}
|
||||
}, 100);
|
||||
}
|
||||
};
|
||||
|
||||
// 添加到页面
|
||||
document.head.appendChild(script);
|
||||
}
|
||||
|
||||
/**
|
||||
* 显示全局错误提示
|
||||
*/
|
||||
function showGlobalError() {
|
||||
// 查找所有 Mermaid 代码块
|
||||
const selectors = [
|
||||
'div.mermaid',
|
||||
'pre code.language-mermaid',
|
||||
'pre[data-lang="mermaid"]',
|
||||
'code.mermaid'
|
||||
];
|
||||
|
||||
let blocks = [];
|
||||
selectors.forEach(function(selector) {
|
||||
const elements = document.querySelectorAll(selector);
|
||||
elements.forEach(function(element) {
|
||||
if (!blocks.includes(element)) {
|
||||
blocks.push(element);
|
||||
}
|
||||
});
|
||||
});
|
||||
|
||||
// 在每个代码块位置显示错误提示
|
||||
blocks.forEach(function(block) {
|
||||
const errorContainer = document.createElement('div');
|
||||
errorContainer.className = 'mermaid-error-container';
|
||||
errorContainer.innerHTML = `
|
||||
<div class="mermaid-error-header">
|
||||
<span class="mermaid-error-icon">⚠️</span>
|
||||
<span class="mermaid-error-title">Mermaid 库加载失败</span>
|
||||
</div>
|
||||
<div class="mermaid-error-body">
|
||||
<p class="mermaid-error-type">错误类型: 网络错误</p>
|
||||
<p class="mermaid-error-message">无法从任何 CDN 加载 Mermaid 库,请检查网络连接或联系管理员。</p>
|
||||
</div>
|
||||
<details class="mermaid-error-code">
|
||||
<summary>查看原始代码</summary>
|
||||
<pre><code class="language-mermaid">${escapeHtml(block.textContent)}</code></pre>
|
||||
</details>
|
||||
`;
|
||||
|
||||
block.parentNode.replaceChild(errorContainer, block);
|
||||
});
|
||||
}
|
||||
|
||||
/**
|
||||
* HTML 转义
|
||||
* @param {string} text - 要转义的文本
|
||||
* @returns {string} 转义后的文本
|
||||
*/
|
||||
function escapeHtml(text) {
|
||||
const div = document.createElement('div');
|
||||
div.textContent = text;
|
||||
return div.innerHTML;
|
||||
}
|
||||
})();
|
||||
</script>
|
||||
<?php
|
||||
}
|
||||
add_action('wp_head', 'argon_add_mermaid_fallback_script');
|
||||
|
||||
// ==========================================================================
|
||||
// Mermaid 插件兼容层
|
||||
// ==========================================================================
|
||||
|
||||
/**
|
||||
* 检测已安装的 Mermaid 相关插件
|
||||
*
|
||||
* @return array 插件检测结果数组
|
||||
*/
|
||||
function argon_detect_mermaid_plugins() {
|
||||
$result = [
|
||||
'wp-githuber-md' => false,
|
||||
'markdown-block' => false,
|
||||
'code-syntax-block' => false,
|
||||
'mermaid-loaded' => false
|
||||
];
|
||||
|
||||
// 检测 WP Githuber MD 插件
|
||||
if (is_plugin_active('wp-githuber-md/githuber-md.php') ||
|
||||
class_exists('Githuber_Module_Mermaid')) {
|
||||
$result['wp-githuber-md'] = true;
|
||||
}
|
||||
|
||||
// 检测 Markdown Block 插件(Gutenberg)
|
||||
if (is_plugin_active('markdown-block/markdown-block.php') ||
|
||||
function_exists('markdown_block_register')) {
|
||||
$result['markdown-block'] = true;
|
||||
}
|
||||
|
||||
// 检测 Code Syntax Block 插件
|
||||
if (is_plugin_active('code-syntax-block/code-syntax-block.php') ||
|
||||
function_exists('code_syntax_block_register')) {
|
||||
$result['code-syntax-block'] = true;
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* 检查是否有插件已经加载了 Mermaid 库
|
||||
*
|
||||
* 通过检测已注册的脚本来判断
|
||||
*
|
||||
* @return bool 是否已加载
|
||||
*/
|
||||
function argon_is_mermaid_library_enqueued() {
|
||||
// 检查常见的 Mermaid 脚本句柄
|
||||
$common_handles = [
|
||||
'mermaid',
|
||||
'mermaid-js',
|
||||
'githuber-mermaid',
|
||||
'wp-mermaid',
|
||||
'markdown-mermaid'
|
||||
];
|
||||
|
||||
foreach ($common_handles as $handle) {
|
||||
if (wp_script_is($handle, 'enqueued') || wp_script_is($handle, 'registered')) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* 获取插件兼容性状态信息
|
||||
*
|
||||
* @return array 包含插件检测结果和建议的数组
|
||||
*/
|
||||
function argon_get_mermaid_compatibility_status() {
|
||||
$plugins = argon_detect_mermaid_plugins();
|
||||
$library_enqueued = argon_is_mermaid_library_enqueued();
|
||||
|
||||
// 统计检测到的插件数量
|
||||
$active_plugins = array_filter($plugins, function($value, $key) {
|
||||
return $value === true && $key !== 'mermaid-loaded';
|
||||
}, ARRAY_FILTER_USE_BOTH);
|
||||
|
||||
$plugin_count = count($active_plugins);
|
||||
|
||||
// 生成状态信息
|
||||
$status = [
|
||||
'plugins' => $plugins,
|
||||
'library_enqueued' => $library_enqueued,
|
||||
'plugin_count' => $plugin_count,
|
||||
'has_conflict' => false,
|
||||
'message' => '',
|
||||
'recommendation' => ''
|
||||
];
|
||||
|
||||
// 判断是否有冲突
|
||||
if ($plugin_count > 1) {
|
||||
$status['has_conflict'] = true;
|
||||
$status['message'] = '检测到多个 Mermaid 插件,可能导致重复加载';
|
||||
$status['recommendation'] = '建议只保留一个 Mermaid 插件,或禁用主题的 Mermaid 支持';
|
||||
} elseif ($plugin_count === 1) {
|
||||
$status['message'] = '检测到 Mermaid 插件,主题将自动避免重复加载';
|
||||
$status['recommendation'] = '主题将只提供样式增强,不会重复加载 Mermaid 库';
|
||||
} elseif ($library_enqueued) {
|
||||
$status['message'] = '检测到其他来源已加载 Mermaid 库';
|
||||
$status['recommendation'] = '主题将自动避免重复加载';
|
||||
} else {
|
||||
$status['message'] = '未检测到 Mermaid 插件';
|
||||
$status['recommendation'] = '主题将负责加载 Mermaid 库';
|
||||
}
|
||||
|
||||
return $status;
|
||||
}
|
||||
|
||||
/**
|
||||
* 修改 Mermaid 脚本加载逻辑,避免重复加载
|
||||
*
|
||||
* 在原有的 argon_enqueue_mermaid_scripts 函数中调用此函数
|
||||
*
|
||||
* @return bool 是否应该加载 Mermaid 库
|
||||
*/
|
||||
function argon_should_load_mermaid_library() {
|
||||
// 检查是否有插件已经加载了 Mermaid
|
||||
if (argon_is_mermaid_library_enqueued()) {
|
||||
// 在调试模式下输出日志
|
||||
if (argon_get_mermaid_option('debug_mode', false)) {
|
||||
error_log('[Argon Mermaid] 检测到 Mermaid 库已由其他插件加载,跳过加载');
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
// 检查是否有已知的 Mermaid 插件
|
||||
$plugins = argon_detect_mermaid_plugins();
|
||||
$has_plugin = false;
|
||||
|
||||
foreach ($plugins as $key => $value) {
|
||||
if ($key !== 'mermaid-loaded' && $value === true) {
|
||||
$has_plugin = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if ($has_plugin) {
|
||||
// 在调试模式下输出日志
|
||||
if (argon_get_mermaid_option('debug_mode', false)) {
|
||||
error_log('[Argon Mermaid] 检测到 Mermaid 插件,跳过加载库');
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
// 没有检测到插件或已加载的库,主题应该加载
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
// ==========================================================================
|
||||
|
||||
Reference in New Issue
Block a user