feat: 完善导出设置与打印预览

packages/renderer/src/render-markdown.ts

@@ -78,6 +78,7 @@ const markdown = new MarkdownIt(markdownOptions)
 
 const defaultFenceRenderer = markdown.renderer.rules.fence;
 const lengthStylePattern = /^-?\d+(?:\.\d+)?(?:em|ex|px|%)$/u;
+const tableTextAlignStylePattern = /^(?:left|center|right)$/u;
 
 markdown.renderer.rules.fence = (
   tokens,
@@ -131,8 +132,8 @@ const safeHtmlOptions: sanitizeHtml.IOptions = {
     li: ["class", "value"],
     ol: ["class", "start"],
     span: ["class", "style"],
-    td: ["colspan", "rowspan"],
-    th: ["colspan", "rowspan", "scope"]
+    td: ["colspan", "rowspan", "style"],
+    th: ["colspan", "rowspan", "scope", "style"]
   },
   allowedSchemes: ["http", "https", "mailto"],
   allowedSchemesByTag: {
@@ -149,6 +150,12 @@ const safeHtmlOptions: sanitizeHtml.IOptions = {
       "padding-left": [lengthStylePattern],
       "vertical-align": [lengthStylePattern],
       "border-bottom-width": [lengthStylePattern]
+    },
+    td: {
+      "text-align": [tableTextAlignStylePattern]
+    },
+    th: {
+      "text-align": [tableTextAlignStylePattern]
     }
   },
   transformTags: {