mark解析器优化

src/code/index.js

@@ -23,7 +23,7 @@ class Code extends Component {
       default: '',
       attribute: false,
       observer(v) {
-        this.setCode(v.trim())
+        this.setCode(v)
       }
     },
     lang: ''
@@ -232,11 +232,11 @@ class Code extends Component {
     txt = txt.trim().replace(/^[\r\n]|\s{2,}$/g, '')
 
     if (txt.startsWith('<xmp>') && txt.endsWith('</xmp>')) {
-      txt = txt.slice(5, -6).trim()
+      txt = txt.slice(6, -7)
     } else if (this.firstElementChild?.tagName === 'TEXTAREA') {
       txt = this.firstElementChild.value.trim()
     } else if (txt.startsWith('<pre>') && txt.endsWith('</pre>')) {
-      txt = trim(txt.slice(5, -6))
+      txt = trim(txt.slice(6, -7))
     } else {
       txt = trim(txt)
     }

src/markd/core.js

@@ -174,19 +174,19 @@ class Tool {
 
   // 初始化字符串, 处理多余换行等
   static init(str = '') {
-    var links = {}
+    let links = {}
-    var list = []
+    let list = []
-    var lines = fixed(str).split('\n')
+    let lines = fixed(str).split('\n')
-    var isCodeBlock = false // 是否代码块
+    let isCodeBlock = false // 是否代码块
-    var isTable = false // 是否表格
+    let isTable = false // 是否表格
-    var emptyLineLength = 0 //连续空行的数量
+    let emptyLines = 0 //连续空行的数量
 
     for (let it of lines) {
       let tmp = it.trim()
 
       // 非空行
       if (tmp) {
-        emptyLineLength = 0
+        emptyLines = 0
         if (tmp.startsWith('```')) {
           if (isCodeBlock) {
             list.push('\n</xmp></wc-code>\n')
@@ -244,32 +244,35 @@ class Tool {
           }
         }
       } else {
+        if (list.length === 0) {
+          continue
+        }
         if (isTable) {
           isTable = false
           list.push('</tbody>\n</table>\n')
           continue
         }
-        if (list.length === 0 || (!isCodeBlock && emptyLineLength > 1)) {
+        if (isCodeBlock || emptyLines < 2) {
-          continue
+          emptyLines++
+          list.push(tmp)
         }
-        emptyLineLength++
-        list.push(tmp)
       }
     }
-
     return new this(list, links)
   }
 
   parse() {
     let html = ''
     let isCodeBlock = false // 是否代码块
-    let emptyLineLength = 0 //连续空行的数量
+    let emptyLines = 0 //连续空行的数量
     let isBlockquote = false
     let isTable = false
     let tableAlign = null
     let blockquoteLevel = 0
     let isParagraph = false
 
+    let isQList = false
+    let qListTag = null
     let isList = false
     let listTagQueue = []
 
@@ -281,8 +284,10 @@ class Tool {
     for (let it of this.list) {
       // 非空行
       if (it) {
-        let lastLineIsEmpty = emptyLineLength > 0
+        // 缓存上一个连续空行数
-        emptyLineLength = 0
+        let lastEmptyLines = emptyLines
+
+        emptyLines = 0
 
         if (~it.indexOf('<table>') || ~it.indexOf('</table>')) {
           if (isList) {
@@ -361,7 +366,6 @@ class Tool {
         let hrName = Helper.isHr(it)
         if (typeof hrName === 'string') {
           html += Decoder.hr(hrName)
-          emptyLineLength = 0
           continue
         }
 
@@ -385,15 +389,7 @@ class Tool {
           }
           // 有列表也先结束
           if (isList) {
-            while (listTagQueue.length) {
+            html = this.#closeList(html, listTagQueue, isParagraph)
-              let tag = listTagQueue.pop()
-              html += `${'  '.repeat(
-                listTagQueue.length ? listTagQueue.length + 1 : 0
-              )}</${tag}>\n`
-              if (listTagQueue.length) {
-                html += `${'  '.repeat(listTagQueue.length)}</li>\n`
-              }
-            }
             isList = false
           }
           isHtmlBlock = false
@@ -411,12 +407,11 @@ class Tool {
             // 若之前已经有一个未闭合的引用, 需要减去已有缩进级别, 避免产生新的引用标签
             if (isBlockquote) {
               loop = len - blockquoteLevel
-            } else {
             }
 
             while (loop > 0) {
               loop--
-              tmp += '<blockquote class="md-quote">'
+              tmp += `\n<blockquote class="md-quote">`
             }
 
             blockquoteLevel = len
@@ -424,12 +419,18 @@ class Tool {
             return tmp
           })
 
+          if (isParagraph) {
+            isParagraph = false
+            html = trimBr(html)
+            html += '</p>\n'
+          }
+
           if (isBlockquote) {
             // 没有新的缩进引用时, 才添加换行
             if (innerQuote) {
               // 之前有引用的列表时, 直接结束列表
               if (isQuoteList) {
-                html += `</${quoteListStyle === 1 ? 'ul' : 'ol'}>\n`
+                html += `</${qListTag}>\n`
                 isQuoteList = false
               }
             }
@@ -448,16 +449,18 @@ class Tool {
             if (isQuoteList === false) {
               isQuoteList = true
               if (currListStyle === 1) {
-                qlist += '<ol>'
+                qListTag = 'ol'
               } else {
-                qlist += '<ul>'
+                qListTag = 'ul'
               }
+              qlist += `\n  <${qListTag}>`
             }
 
             quoteListStyle = currListStyle
 
             qlist += `<li>${tmp3}</li>`
             html += tmp1 + qlist
+            isQList = true
           } else {
             if (innerQuote === false) {
               html += '<br>'
@@ -492,10 +495,8 @@ class Tool {
 
           if (isParagraph) {
             isParagraph = false
-            if (!isList) {
+            html = trimBr(html)
-              html = trimBr(html)
+            html += '</p>\n'
-              html += '</p>\n'
-            }
           }
 
           if (isList) {
@@ -536,22 +537,12 @@ class Tool {
 
         // 无"> "前缀的引用, 继续拼到之前的, 并且不换行
         if (isBlockquote) {
-          html += it
+          if (isQList) {
-          continue
+            html = html.replace(/<\/li>\n*?$/, '') + ` ${it}</li>`
-        }
+          } else {
-
+            html += ' ' + it
-        // 列表之后, 有段落时, 先结束列表
-        if (isList && lastLineIsEmpty) {
-          while (listTagQueue.length) {
-            let tag = listTagQueue.pop()
-            html += `${'  '.repeat(
-              listTagQueue.length ? listTagQueue.length + 1 : 0
-            )}</${tag}>\n`
-            if (listTagQueue.length) {
-              html += `${'  '.repeat(listTagQueue.length)}</li>\n`
-            }
           }
-          isList = false
+          continue
         }
 
         if (isHtmlBlock || isSingleLineHtml) {
@@ -572,13 +563,24 @@ class Tool {
         } else {
           if (isList) {
             if (isParagraph) {
-              html += it + `</p>\n${'  '.repeat(listTagQueue.length)}</li>\n`
+              if (lastEmptyLines > 0) {
+                html = trimBr(html)
+                html += `<br>${it}`
+                continue
+              } else {
+                html += ` ${it}`
+              }
             } else {
-              html = html.replace(/<\/li>\n*?$/, '') + `\n<p>${it}`
+              if (lastEmptyLines > 0) {
+                html = html.replace(/<\/li>\n*?$/, '') + `<p>${it}`
+              } else {
+                html = html.replace(/<\/li>\n*?$/, '') + ` ${it}</li>\n`
+                continue
+              }
             }
           } else {
             if (isParagraph) {
-              html += `${it}\n`
+              html += ` ${it}\n`
             } else {
               html += `\n<p>${it}`
             }
@@ -590,42 +592,31 @@ class Tool {
         if (isCodeBlock) {
           html += it + '\n'
         } else {
-          emptyLineLength++
+          emptyLines++
-
+          //
           // 引用结束
           if (isBlockquote) {
-            if (emptyLineLength > 0) {
+            if (isQList) {
-              isBlockquote = false
+              html += `\n</${qListTag}>\n`
-              emptyLineLength = 0
+              isQList = false
-              while (blockquoteLevel > 0) {
-                blockquoteLevel--
-                html += '</blockquote>\n'
-              }
             }
-            continue
+            html = this.#closeQuotes(html, blockquoteLevel)
+            isBlockquote = false
+            blockquoteLevel = 0
           }
 
-          if (isList) {
+          if (isList && emptyLines > 1) {
-            if (emptyLineLength > 1) {
+            html = this.#closeList(html, listTagQueue, isParagraph)
-              while (listTagQueue.length) {
+            isList = false
-                let tag = listTagQueue.pop()
+            emptyLines = 0
-                html += `${'  '.repeat(
+            if (isParagraph) {
-                  listTagQueue.length ? listTagQueue.length + 1 : 0
+              isParagraph = false
-                )}</${tag}>\n`
-                if (listTagQueue.length) {
-                  html += `${'  '.repeat(listTagQueue.length)}</li>\n`
-                }
-              }
-              isList = false
-              emptyLineLength = 0
             }
-            continue
           }
 
-          //
           if (isParagraph) {
-            if (emptyLineLength > 1) {
+            if (emptyLines > 1) {
-              emptyLineLength = 0
+              emptyLines = 0
               isParagraph = false
               html = trimBr(html)
               html += '</p>\n'
@@ -637,6 +628,19 @@ class Tool {
       }
     }
 
+    // 引用结束
+    if (isBlockquote) {
+      html = this.#closeQuotes(html, blockquoteLevel)
+      blockquoteLevel = 0
+    }
+
+    if (isList) {
+      html = this.#closeList(html, listTagQueue, isParagraph)
+      if (isParagraph) {
+        isParagraph = false
+      }
+    }
+
     if (isParagraph) {
       html += '</p>'
     }
@@ -644,6 +648,29 @@ class Tool {
     delete this.__LINKS__
     return html.trim()
   }
+
+  #closeList(html, tags, isParagraph) {
+    if (isParagraph) {
+      html = trimBr(html)
+      html += '</p>\n'
+    }
+    while (tags.length) {
+      let tag = tags.pop()
+      html += `${'  '.repeat(tags.length ? tags.length + 1 : 0)}</${tag}>\n`
+      if (tags.length) {
+        html += `${'  '.repeat(tags.length)}</li>\n`
+      }
+    }
+    return html
+  }
+
+  #closeQuotes(html, level) {
+    while (level > 0) {
+      level--
+      html += '</blockquote>\n'
+    }
+    return html
+  }
 }
 
 export default function (str) {

src/meditor/index.js

@@ -907,7 +907,9 @@ class MEditor extends Component {
     }
   }
 
-  mounted() {}
+  mounted() {
+    Addon.preview.call(this, this)
+  }
 
   unmounted() {}