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directly support embed.FS and fs.FS on view engines

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This commit is contained in:
Gerasimos (Makis) Maropoulos
2022-09-21 23:26:12 +03:00
parent 5bc0796548
commit 95a8110f1e
12 changed files with 162 additions and 17 deletions
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1
_examples/README.md
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@@ -151,6 +151,7 @@
* [Inject Data Between Handlers](view/context-view-data/main.go)
* [Inject Engine Between Handlers](view/context-view-engine/main.go)
* [Embedding Templates Into App Executable File](view/embedding-templates-into-app/main.go)
* [Embedding Templates Into App Executable File (Bindata)](view/embedding-templates-into-app-bindata/main.go)
* [Write to a custom `io.Writer`](view/write-to)
* Parse a Template from Text
* [HTML, Pug and Ace](view/parse-parse/main.go)

0
_examples/view/embedding-templates-into-app/bindata.go → _examples/view/embedding-templates-into-app-bindata/bindata.go
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52
_examples/view/embedding-templates-into-app-bindata/main.go Normal file
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@@ -0,0 +1,52 @@
package main
import "github.com/kataras/iris/v12"
func main() {
app := iris.New()
// $ go install github.com/go-bindata/go-bindata/v3/go-bindata@latest
// $ go-bindata -fs -prefix "templates" ./templates/...
// $ go run .
// html files are not used, you can delete the folder and run the example.
tmpl := iris.HTML(AssetFile(), ".html")
tmpl.Layout("layouts/layout.html")
tmpl.AddFunc("greet", func(s string) string {
return "Greetings " + s + "!"
})
app.RegisterView(tmpl)
app.Get("/", func(ctx iris.Context) {
if err := ctx.View("page1.html"); err != nil {
ctx.StatusCode(iris.StatusInternalServerError)
ctx.Writef(err.Error())
}
})
// remove the layout for a specific route
app.Get("/nolayout", func(ctx iris.Context) {
ctx.ViewLayout(iris.NoLayout)
if err := ctx.View("page1.html"); err != nil {
ctx.StatusCode(iris.StatusInternalServerError)
ctx.Writef(err.Error())
}
})
// set a layout for a party, .Layout should be BEFORE any Get or other Handle party's method
my := app.Party("/my").Layout("layouts/mylayout.html")
{ // both of these will use the layouts/mylayout.html as their layout.
my.Get("/", func(ctx iris.Context) {
ctx.View("page1.html")
})
my.Get("/other", func(ctx iris.Context) {
ctx.View("page1.html")
})
}
// http://localhost:8080
// http://localhost:8080/nolayout
// http://localhost:8080/my
// http://localhost:8080/my/other
app.Listen(":8080")
}

12
_examples/view/embedding-templates-into-app-bindata/templates/layouts/layout.html Normal file
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@@ -0,0 +1,12 @@
<html>
<head>
<title>Layout</title>
</head>
<body>
<h1>This is the global layout</h1>
<br />
<!-- Render the current template here -->
{{ yield }}
</body>
</html>

12
_examples/view/embedding-templates-into-app-bindata/templates/layouts/mylayout.html Normal file
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@@ -0,0 +1,12 @@
<html>
<head>
<title>my Layout</title>
</head>
<body>
<h1>This is the layout for the /my/ and /my/other routes only</h1>
<br />
<!-- Render the current template here -->
{{ yield }}
</body>
</html>

7
_examples/view/embedding-templates-into-app-bindata/templates/page1.html Normal file
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@@ -0,0 +1,7 @@
<div style="background-color: black; color: blue">
<h1>Page 1 {{ greet "iris developer"}}</h1>
{{ render "partials/page1_partial1.html"}}
</div>

3
_examples/view/embedding-templates-into-app-bindata/templates/partials/page1_partial1.html Normal file
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@@ -0,0 +1,3 @@
<div style="background-color: white; color: red">
<h1>Page 1's Partial 1</h1>
</div>

24
_examples/view/embedding-templates-into-app/main.go
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@@ -1,15 +1,19 @@
package main
import "github.com/kataras/iris/v12"
import (
"embed"
"github.com/kataras/iris/v12"
"github.com/kataras/iris/v12/x/errors"
)
//go:embed templates/*
var embeddedTemplatesFS embed.FS
func main() {
app := iris.New()
// $ go install github.com/go-bindata/go-bindata/v3/go-bindata@latest
// $ go-bindata -fs -prefix "templates" ./templates/...
// $ go run .
// html files are not used, you can delete the folder and run the example.
tmpl := iris.HTML(AssetFile(), ".html")
tmpl := iris.HTML(embeddedTemplatesFS, ".html")
tmpl.Layout("layouts/layout.html")
tmpl.AddFunc("greet", func(s string) string {
return "Greetings " + s + "!"
@@ -19,8 +23,8 @@ func main() {
app.Get("/", func(ctx iris.Context) {
if err := ctx.View("page1.html"); err != nil {
ctx.StatusCode(iris.StatusInternalServerError)
ctx.Writef(err.Error())
errors.InvalidArgument.Err(ctx, err)
return
}
})
@@ -28,8 +32,8 @@ func main() {
app.Get("/nolayout", func(ctx iris.Context) {
ctx.ViewLayout(iris.NoLayout)
if err := ctx.View("page1.html"); err != nil {
ctx.StatusCode(iris.StatusInternalServerError)
ctx.Writef(err.Error())
errors.InvalidArgument.Err(ctx, err)
return
}
})