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internal/core/templates.go
caching_trials
· 949 B · 39 lines
raw
| 1 | package core |
| 2 | |
| 3 | import ( |
| 4 | "fmt" |
| 5 | "html/template" |
| 6 | "io/fs" |
| 7 | "path" |
| 8 | ) |
| 9 | |
| 10 | // LoadTemplates parses each views/*.html into its own tree alongside every |
| 11 | // layouts/*.html. Returns a set keyed by view filename. |
| 12 | // |
| 13 | // Placeholder funcs are installed at parse time; the real ones are bound |
| 14 | // per render, when a Ctx exists to close over. |
| 15 | func LoadTemplates(fsys fs.FS) (TemplateSet, error) { |
| 16 | layouts, err := fs.Glob(fsys, "layouts/*.html") |
| 17 | if err != nil { |
| 18 | return nil, err |
| 19 | } |
| 20 | views, err := fs.Glob(fsys, "views/*.html") |
| 21 | if err != nil { |
| 22 | return nil, err |
| 23 | } |
| 24 | if len(views) == 0 { |
| 25 | return nil, fmt.Errorf("no templates under views/") |
| 26 | } |
| 27 | |
| 28 | set := TemplateSet{} |
| 29 | for _, v := range views { |
| 30 | name := path.Base(v) |
| 31 | t := template.New(name).Funcs(FuncMap(&Ctx{})) |
| 32 | files := append(append([]string{}, layouts...), v) |
| 33 | if t, err = t.ParseFS(fsys, files...); err != nil { |
| 34 | return nil, fmt.Errorf("parse %s: %w", v, err) |
| 35 | } |
| 36 | set[name] = t |
| 37 | } |
| 38 | return set, nil |
| 39 | } |