Snapshots

TaskServer/node_modules/telegraf/markup.js

@@ -164,15 +164,91 @@ class Markup {
   }
 
   static formatHTML (text = '', entities = []) {
-    const chars = ['', ...text.split(''), ''].map(escapeHTMLChar)
-    entities.forEach(entity => {
-      const tag = getHTMLTag(entity)
-      const openPos = entity.offset
-      const closePos = entity.offset + entity.length + 1
-      chars[openPos] += tag.open
-      chars[closePos] = tag.close + chars[closePos]
-    })
-    return chars.join('')
+    const chars = [...text]
+    const available = [...entities]
+    const opened = []
+    const result = []
+    for (let offset = 0; offset < chars.length; offset++) {
+      while (true) {
+        const index = available.findIndex((entity) => entity.offset === offset)
+        if (index === -1) {
+          break
+        }
+        const entity = available[index]
+        switch (entity.type) {
+          case 'bold':
+            result.push('<b>')
+            break
+          case 'italic':
+            result.push('<i>')
+            break
+          case 'code':
+            result.push('<code>')
+            break
+          case 'pre':
+            if (entity.language) {
+              result.push(`<pre><code class="language-${entity.language}">`)
+            } else {
+              result.push('<pre>')
+            }
+            break
+          case 'strikethrough':
+            result.push('<s>')
+            break
+          case 'underline':
+            result.push('<u>')
+            break
+          case 'text_mention':
+            result.push(`<a href="tg://user?id=${entity.user.id}">`)
+            break
+          case 'text_link':
+            result.push(`<a href="${entity.url}">`)
+            break
+        }
+        opened.unshift(entity)
+        available.splice(index, 1)
+      }
+
+      result.push(chars[offset])
+
+      while (true) {
+        const index = opened.findIndex((entity) => entity.offset + entity.length - 1 === offset)
+        if (index === -1) {
+          break
+        }
+        const entity = opened[index]
+        switch (entity.type) {
+          case 'bold':
+            result.push('</b>')
+            break
+          case 'italic':
+            result.push('</i>')
+            break
+          case 'code':
+            result.push('</code>')
+            break
+          case 'pre':
+            if (entity.language) {
+              result.push('</code></pre>')
+            } else {
+              result.push('</pre>')
+            }
+            break
+          case 'strikethrough':
+            result.push('</s>')
+            break
+          case 'underline':
+            result.push('</u>')
+            break
+          case 'text_mention':
+          case 'text_link':
+            result.push('</a>')
+            break
+        }
+        opened.splice(index, 1)
+      }
+    }
+    return result.join('')
   }
 }
 
@@ -203,40 +279,4 @@ function buildKeyboard (buttons, options) {
   return result
 }
 
-function escapeHTMLChar (c) {
-  switch (c) {
-    case '&': return '&amp;'
-    case '"': return '&quot;'
-    case '\'': return '&#39;'
-    case '<': return '&lt;'
-    default : return c
-  }
-}
-
-function tag (name, params) {
-  return {
-    open: params
-      ? `<${name} ${Object.entries(params).map(([key, value]) => `${key}="${value.replace(/[<&"]/g, escapeHTMLChar)}"`).join(' ')}>`
-      : `<${name}>`,
-    close: `</${name}>`
-  }
-}
-
-const HTMLTags = new Map([
-  ['bold', tag('b')],
-  ['italic', tag('i')],
-  ['code', tag('code')],
-  ['pre', tag('pre')],
-  ['strikethrough', tag('s')],
-  ['underline', tag('u')],
-  ['text_link', ({ url }) => tag('a', { href: url })],
-  ['text_mention', ({ user }) => tag('a', { href: `tg://user?id=${user.id}` })]
-])
-
-function getHTMLTag (entity) {
-  const tag = HTMLTags.get(entity.type || 'unknown')
-  if (!tag) return { open: '', close: '' }
-  return typeof tag === 'function' ? tag(entity) : tag
-}
-
 module.exports = Markup