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chore(tests): added tests for empty/nil content file in static viewen…
…gine
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,130 @@ | ||
| package htmx | ||
|
|
||
| import ( | ||
| "bufio" | ||
| "bytes" | ||
| "io" | ||
| "io/fs" | ||
| "strings" | ||
| "text/template" | ||
| ) | ||
|
|
||
| type HtmlTemplate struct { | ||
| template *template.Template | ||
|
|
||
| name string | ||
| path string | ||
| layout string | ||
|
|
||
| dependencies map[string]struct{} | ||
| dependents map[string]*HtmlTemplate | ||
| } | ||
|
|
||
| func NewHtmlTemplate(name, path string) *HtmlTemplate { | ||
| return &HtmlTemplate{ | ||
| name: name, | ||
| path: path, | ||
| dependencies: make(map[string]struct{}), | ||
| dependents: make(map[string]*HtmlTemplate), | ||
| } | ||
| } | ||
|
|
||
| func (t *HtmlTemplate) Load(fsys fs.FS, templates map[string]*HtmlTemplate) error { | ||
| buf, err := fs.ReadFile(fsys, t.path) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| nt := template.New(t.name) | ||
| dependencies := make(map[string]struct{}) | ||
|
|
||
| defer func() { | ||
| t.template = nt | ||
| t.dependencies = dependencies | ||
| }() | ||
|
|
||
| if len(buf) == 0 { | ||
| return nil | ||
| } | ||
|
|
||
| nt, err = nt.Parse(string(buf)) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| for _, it := range nt.Templates() { | ||
| tn := it.Name() | ||
| if strings.EqualFold(tn, t.name) { | ||
| continue | ||
| } | ||
|
|
||
| dependencies[tn] = struct{}{} | ||
| } | ||
|
|
||
| r := bufio.NewReader(bytes.NewReader(buf)) | ||
| layoutName, err := r.ReadString('\n') | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| layoutName = strings.ReplaceAll(layoutName, " ", "") | ||
| //<!--layout:home-->\n | ||
| if layoutName != "" && strings.HasSuffix(layoutName, "-->\n") && strings.HasPrefix(layoutName, "<!--layout:") { | ||
| layoutName = "layouts/" + layoutName[11:len(layoutName)-4] | ||
|
|
||
| layout, ok := templates[layoutName] | ||
| if ok { | ||
| _, err = nt.AddParseTree(layoutName, layout.template.Tree) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| layout.dependents[t.name] = t | ||
|
|
||
| for tn := range layout.dependencies { | ||
| dependencies[tn] = struct{}{} | ||
| } | ||
|
|
||
| } | ||
|
|
||
| for tn := range t.dependencies { | ||
| it, ok := templates[tn] | ||
| if ok { | ||
| _, err = nt.AddParseTree(tn, it.template.Tree) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| it.dependents[t.name] = t | ||
| } | ||
| } | ||
|
|
||
| t.layout = layoutName | ||
| } else { | ||
| t.layout = "" | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func (t *HtmlTemplate) Reload(fsys fs.FS, templates map[string]*HtmlTemplate) error { | ||
| err := t.Load(fsys, templates) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| for _, it := range t.dependents { | ||
| err := it.Reload(fsys, templates) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func (t *HtmlTemplate) Execute(wr io.Writer, data any) error { | ||
| if t.layout != "" { | ||
| return t.template.ExecuteTemplate(wr, t.layout, data) | ||
| } | ||
| return t.template.Execute(wr, data) | ||
| } |
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