32 lines
878 B
Go
32 lines
878 B
Go
package utils
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import (
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"bytes"
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"html/template"
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"github.com/yuin/goldmark"
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"github.com/yuin/goldmark/extension"
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goldmarkhtml "github.com/yuin/goldmark/renderer/html"
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)
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// markdownEngine 全局 Markdown 渲染引擎
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// 启用 GFM 扩展（表格、删除线、任务列表、自动链接等）
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// 启用 WithUnsafe 允许原始 HTML 透传，兼容旧文章中的 HTML 内容
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var markdownEngine = goldmark.New(
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goldmark.WithExtensions(extension.GFM),
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goldmark.WithRendererOptions(
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goldmarkhtml.WithUnsafe(),
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goldmarkhtml.WithHardWraps(),
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),
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)
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// RenderMarkdown 将 Markdown 文本渲染为 HTML
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func RenderMarkdown(source string) template.HTML {
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var buf bytes.Buffer
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if err := markdownEngine.Convert([]byte(source), &buf); err != nil {
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// 渲染失败时原样返回，避免页面空白
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return template.HTML(source)
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}
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return template.HTML(buf.String())
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}
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