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Add DumpVar helper function to help debugging templates (#24262)

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I guess many contributors might agree that it's really difficult to
write Golang template. The dot syntax `.` confuses everyone: what
variable it is ....

So, we can use a `{{DumpVar .ContextUser}}` to look into every variable
now.


![image](https://user-images.githubusercontent.com/2114189/233692383-f3c8f24d-4465-45f8-839b-b63e00731559.png)


And it can even dump the whole `ctx.Data` by `{{DumpVar .}}`:

```
dumpVar: templates.Vars
{
  "AllLangs": [
    {
      "Lang": "id-ID",
      "Name": "Bahasa Indonesia"
    },
...
      "Context": "[dumped]",
      "ContextUser": {
        "AllowCreateOrganization": true,
        "AllowGitHook": false,
        "AllowImportLocal": false,
...
  "TemplateLoadTimes": "[func() string]",
  "TemplateName": "user/profile",
  "Title": "Full'\u003cspan\u003e Name",
  "Total": 7,
  "UnitActionsGlobalDisabled": false,
  "UnitIssuesGlobalDisabled": false,
  "UnitProjectsGlobalDisabled": false,
  "UnitPullsGlobalDisabled": false,
  "UnitWikiGlobalDisabled": false,
  "locale": {
    "Lang": "en-US",
    "LangName": "English",
    "Locale": {}
  }
...

---------

Co-authored-by: delvh <dev.lh@web.de>
Co-authored-by: silverwind <me@silverwind.io>
This commit is contained in:
wxiaoguang
2023-04-23 01:28:20 +08:00
committed by GitHub
parent 3cc87370c3
commit c0d105609f
2 changed files with 75 additions and 0 deletions
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1
modules/templates/helper.go
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@@ -74,6 +74,7 @@ func NewFuncMap() []template.FuncMap {
"DotEscape": DotEscape,
"HasPrefix": strings.HasPrefix,
"EllipsisString": base.EllipsisString,
"DumpVar": dumpVar,
"Json": func(in interface{}) string {
out, err := json.Marshal(in)