前言
Visual Studio的代码折叠功能非常好用,#region #endregion 这个词连搜狗的词库里面都出现了(不含'#'号),可见使用频率很高,但是他不支持js的代码折叠 : ( 最近Ext用得比较多,一写就是上百行JS代码,非常不方便,想着自己写个扩展或插件什么的,意外搜到了下面的文章,已经用宏来实现了,本文可以理解为该文的简单译本,注意宏代码部分我有所改动 : )
文章
1. Using #region Directive With JavaScript Files in Visual Studio
环境
Microsoft Visual Studio 2008
正文
1. 打开宏资源管理器:视图 -> 其他窗口 -> 宏资源管理器
2. 创建一个新模块
3. 编辑宏: 选中模块 -> 右键编辑
Option Strict Off
Option Explicit Off
Imports System
Imports EnvDTE
Imports EnvDTE80
Imports System.Diagnostics
Imports System.Collections
Public Module JsMacros
Sub OutlineRegions()
Dim selection As EnvDTE.TextSelection = DTE.ActiveDocument.Selection
Const REGION_START As String = "//#region"
Const REGION_END As String = "//#endregion"
selection.SelectAll()
'农民伯伯 --- 自动为"//#endregion"结束的代码添加最后一行,不然出错
If selection.Text.EndsWith(REGION_END) Then
selection.EndOfLine()
selection.NewLine()
selection.SelectAll()
End If
Dim text As String = selection.Text
selection.StartOfDocument(True)
Dim startIndex As Integer
Dim endIndex As Integer
Dim lastIndex As Integer = 0
Dim startRegions As Stack = New Stack()
Do
startIndex = text.IndexOf(REGION_START, lastIndex)
endIndex = text.IndexOf(REGION_END, lastIndex)
If startIndex = -1 AndAlso endIndex = -1 Then
Exit Do
End If
If startIndex -1 AndAlso startIndex |