✨ feature: bind support for render

.github/README.md

@@ -665,3 +665,4 @@ Copyright (c) 2019-present [Fenny](https://github.com/fenny) and [Contributors](
 -   [gopsutil](https://github.com/shirou/gopsutil/blob/master/LICENSE)
 -   [go-ole](https://github.com/go-ole/go-ole)
 -   [wmi](https://github.com/StackExchange/wmi)
+-   [dictpool](https://github.com/savsgio/dictpool)

.github/README_ckb.md

@@ -665,3 +665,4 @@ func main() {
 -   [gopsutil](https://github.com/shirou/gopsutil/blob/master/LICENSE)
 -   [go-ole](https://github.com/go-ole/go-ole)
 -   [wmi](https://github.com/StackExchange/wmi)
+-   [dictpool](https://github.com/savsgio/dictpool)

.github/README_de.md

@@ -635,3 +635,4 @@ Copyright (c) 2019-present [Fenny](https://github.com/fenny) and [Contributors](
 -   [gopsutil](https://github.com/shirou/gopsutil/blob/master/LICENSE)
 -   [go-ole](https://github.com/go-ole/go-ole)
 -   [wmi](https://github.com/StackExchange/wmi)
+-   [dictpool](https://github.com/savsgio/dictpool)

.github/README_es.md

@@ -635,3 +635,5 @@ Copyright (c) 2019-presente [Fenny](https://github.com/fenny) y [contribuyentes]
 -   [gopsutil](https://github.com/shirou/gopsutil/blob/master/LICENSE)
 -   [go-ole](https://github.com/go-ole/go-ole)
 -   [wmi](https://github.com/StackExchange/wmi)
+-   [dictpool](https://github.com/savsgio/dictpool)
+

.github/README_fa.md

@@ -794,3 +794,4 @@ Copyright (c) 2019-present [Fenny](https://github.com/fenny) and [Contributors](
 -   [gopsutil](https://github.com/shirou/gopsutil/blob/master/LICENSE)
 -   [go-ole](https://github.com/go-ole/go-ole)
 -   [wmi](https://github.com/StackExchange/wmi)
+-   [dictpool](https://github.com/savsgio/dictpool)

.github/README_fr.md

@@ -637,3 +637,4 @@ Copyright (c) 2019-present [Fenny](https://github.com/fenny) and [Contributors](
 -   [gopsutil](https://github.com/shirou/gopsutil/blob/master/LICENSE)
 -   [go-ole](https://github.com/go-ole/go-ole)
 -   [wmi](https://github.com/StackExchange/wmi)
+-   [dictpool](https://github.com/savsgio/dictpool)

.github/README_he.md

@@ -810,4 +810,5 @@ Copyright (c) 2019-present [Fenny](https://github.com/fenny) and [Contributors](
 -   [gopsutil](https://github.com/shirou/gopsutil/blob/master/LICENSE)
 -   [go-ole](https://github.com/go-ole/go-ole)
 -   [wmi](https://github.com/StackExchange/wmi)
+-   [dictpool](https://github.com/savsgio/dictpool)
 </div>

.github/README_id.md

@@ -638,3 +638,5 @@ Copyright (c) 2019-present [Fenny](https://github.com/fenny) and [Contributors](
 -   [gopsutil](https://github.com/shirou/gopsutil/blob/master/LICENSE)
 -   [go-ole](https://github.com/go-ole/go-ole)
 -   [wmi](https://github.com/StackExchange/wmi)
+-   [dictpool](https://github.com/savsgio/dictpool)
+

.github/README_it.md

@@ -661,3 +661,4 @@ Copyright (c) 2019-ora [Fenny](https://github.com/fenny) e [Contributors](https:
 -   [gopsutil](https://github.com/shirou/gopsutil/blob/master/LICENSE)
 -   [go-ole](https://github.com/go-ole/go-ole)
 -   [wmi](https://github.com/StackExchange/wmi)
+-   [dictpool](https://github.com/savsgio/dictpool)

.github/README_ja.md

@@ -641,3 +641,4 @@ Copyright (c) 2019-present [Fenny](https://github.com/fenny) and [Contributors](
 -   [gopsutil](https://github.com/shirou/gopsutil/blob/master/LICENSE)
 -   [go-ole](https://github.com/go-ole/go-ole)
 -   [wmi](https://github.com/StackExchange/wmi)
+-   [dictpool](https://github.com/savsgio/dictpool)

.github/README_ko.md

@@ -641,3 +641,4 @@ Copyright (c) 2019-present [Fenny](https://github.com/fenny) and [Contributors](
 -   [gopsutil](https://github.com/shirou/gopsutil/blob/master/LICENSE)
 -   [go-ole](https://github.com/go-ole/go-ole)
 -   [wmi](https://github.com/StackExchange/wmi)
+-   [dictpool](https://github.com/savsgio/dictpool)

.github/README_nl.md

@@ -641,3 +641,4 @@ Copyright (c) 2019-present [Fenny](https://github.com/fenny) and [Contributors](
 -   [gopsutil](https://github.com/shirou/gopsutil/blob/master/LICENSE)
 -   [go-ole](https://github.com/go-ole/go-ole)
 -   [wmi](https://github.com/StackExchange/wmi)
+-   [dictpool](https://github.com/savsgio/dictpool)

.github/README_pt.md

@@ -637,3 +637,4 @@ O logo oficial foi criado por [Vic Shóstak](https://github.com/koddr) e distrib
 -   [gopsutil](https://github.com/shirou/gopsutil/blob/master/LICENSE)
 -   [go-ole](https://github.com/go-ole/go-ole)
 -   [wmi](https://github.com/StackExchange/wmi)
+-   [dictpool](https://github.com/savsgio/dictpool)

.github/README_ru.md

@@ -644,3 +644,4 @@ Copyright (c) 2019-present [Fenny](https://github.com/fenny) and [Contributors](
 -   [gopsutil](https://github.com/shirou/gopsutil/blob/master/LICENSE)
 -   [go-ole](https://github.com/go-ole/go-ole)
 -   [wmi](https://github.com/StackExchange/wmi)
+-   [dictpool](https://github.com/savsgio/dictpool)

.github/README_sa.md

@@ -702,3 +702,4 @@ Copyright (c) 2019-present [Fenny](https://github.com/fenny) and [Contributors](
 -   [gopsutil](https://github.com/shirou/gopsutil/blob/master/LICENSE)
 -   [go-ole](https://github.com/go-ole/go-ole)
 -   [wmi](https://github.com/StackExchange/wmi)
+-   [dictpool](https://github.com/savsgio/dictpool)

.github/README_tr.md

@@ -635,3 +635,4 @@ Telif (c) 2019-günümüz [Fenny](https://github.com/fenny) ve [Contributors](ht
 -   [gopsutil](https://github.com/shirou/gopsutil/blob/master/LICENSE)
 -   [go-ole](https://github.com/go-ole/go-ole)
 -   [wmi](https://github.com/StackExchange/wmi)
+-   [dictpool](https://github.com/savsgio/dictpool)

.github/README_zh-CN.md

@@ -637,3 +637,4 @@ Copyright (c) 2019-present [Fenny](https://github.com/fenny) and [Contributors](
 -   [gopsutil](https://github.com/shirou/gopsutil/blob/master/LICENSE)
 -   [go-ole](https://github.com/go-ole/go-ole)
 -   [wmi](https://github.com/StackExchange/wmi)
+-   [dictpool](https://github.com/savsgio/dictpool)

.github/README_zh-TW.md

@@ -635,3 +635,4 @@ Fiber 是一個以贊助維生的開源專案，像是: 網域、gitbook、netli
 -   [gopsutil](https://github.com/shirou/gopsutil/blob/master/LICENSE)
 -   [go-ole](https://github.com/go-ole/go-ole)
 -   [wmi](https://github.com/StackExchange/wmi)
+-   [dictpool](https://github.com/savsgio/dictpool)

.github/testdata/template2.html

@@ -0,0 +1 @@
+<h1>{{.Title}} {{.Summary}}</h1>

ctx.go

@@ -24,6 +24,7 @@ import (
 	"time"
 
 	"github.com/gofiber/fiber/v2/internal/bytebufferpool"
+	"github.com/gofiber/fiber/v2/internal/dictpool"
 	"github.com/gofiber/fiber/v2/internal/go-json"
 	"github.com/gofiber/fiber/v2/internal/schema"
 	"github.com/gofiber/fiber/v2/utils"
@@ -62,6 +63,7 @@ type Ctx struct {
 	values              [maxParams]string    // Route parameter values
 	fasthttp            *fasthttp.RequestCtx // Reference to *fasthttp.RequestCtx
 	matched             bool                 // Non use route matched
+	viewBindMap         *dictpool.Dict       // Default view map to bind template engine
 }
 
 // Range data for c.Range
@@ -137,6 +139,9 @@ func (app *App) ReleaseCtx(c *Ctx) {
 	// Reset values
 	c.route = nil
 	c.fasthttp = nil
+	if c.viewBindMap != nil {
+		dictpool.ReleaseDict(c.viewBindMap)
+	}
 	app.pool.Put(c)
 }
 
@@ -1060,6 +1065,20 @@ func (c *Ctx) Redirect(location string, status ...int) error {
 	return nil
 }
 
+// Add vars to default view var map binding to template engine.
+// Variables are read by the Render method and may be overwritten.
+func (c *Ctx) Bind(vars Map) error {
+	// init viewBindMap - lazy map
+	if c.viewBindMap == nil {
+		c.viewBindMap = dictpool.AcquireDict()
+	}
+	for k, v := range vars {
+		c.viewBindMap.Set(k, v)
+	}
+
+	return nil
+}
+
 // get URL location from route using parameters
 func (c *Ctx) getLocationFromRoute(route Route, params Map) (string, error) {
 	buf := bytebufferpool.Get()
@@ -1113,25 +1132,8 @@ func (c *Ctx) Render(name string, bind interface{}, layouts ...string) error {
 	buf := bytebufferpool.Get()
 	defer bytebufferpool.Put(buf)
 
-	// Check if the PassLocalsToViews option is enabled (By default it is disabled)
-	if c.app.config.PassLocalsToViews {
-		// Safely cast the bind interface to a map
-		bindMap, ok := bind.(Map)
-		// Check if the bind is a map
-		if ok {
-			// Loop through each local and set it in the map
-			c.fasthttp.VisitUserValues(func(key []byte, val interface{}) {
-				// check if bindMap doesn't contain the key
-				if _, ok := bindMap[string(key)]; !ok {
-					// Set the key and value in the bindMap
-					bindMap[string(key)] = val
-				}
-			})
-			// set the original bind to the map
-			bind = bindMap
-		}
-
-	}
+	// Pass-locals-to-views & bind
+	c.renderExtensions(bind)
 
 	rendered := false
 	for prefix, app := range c.app.appList {
@@ -1179,6 +1181,29 @@ func (c *Ctx) Render(name string, bind interface{}, layouts ...string) error {
 	return err
 }
 
+func (c *Ctx) renderExtensions(bind interface{}) {
+	if bindMap, ok := bind.(Map); ok {
+		// Bind view map
+		if c.viewBindMap != nil {
+			for _, v := range c.viewBindMap.D {
+				bindMap[v.Key] = v.Value
+			}
+		}
+
+		// Check if the PassLocalsToViews option is enabled (by default it is disabled)
+		if c.app.config.PassLocalsToViews {
+			// Loop through each local and set it in the map
+			c.fasthttp.VisitUserValues(func(key []byte, val interface{}) {
+				// check if bindMap doesn't contain the key
+				if _, ok := bindMap[utils.UnsafeString(key)]; !ok {
+					// Set the key and value in the bindMap
+					bindMap[utils.UnsafeString(key)] = val
+				}
+			})
+		}
+	}
+}
+
 // Route returns the matched Route struct.
 func (c *Ctx) Route() *Route {
 	if c.route == nil {

ctx_test.go

@@ -2248,6 +2248,51 @@ func Test_Ctx_RenderWithLocals(t *testing.T) {
 	utils.AssertEqual(t, "<h1>Hello, World!</h1>", string(c.Response().Body()))
 
 }
+
+func Test_Ctx_RenderWithBind(t *testing.T) {
+	t.Parallel()
+
+	app := New()
+	c := app.AcquireCtx(&fasthttp.RequestCtx{})
+
+	c.Bind(Map{
+		"Title": "Hello, World!",
+	})
+	defer app.ReleaseCtx(c)
+	err := c.Render("./.github/testdata/template.html", Map{})
+
+	buf := bytebufferpool.Get()
+	_, _ = buf.WriteString("overwrite")
+	defer bytebufferpool.Put(buf)
+
+	utils.AssertEqual(t, nil, err)
+	utils.AssertEqual(t, "<h1>Hello, World!</h1>", string(c.Response().Body()))
+
+}
+
+func Test_Ctx_RenderWithBindLocals(t *testing.T) {
+	t.Parallel()
+
+	app := New(Config{
+		PassLocalsToViews: true,
+	})
+
+	c := app.AcquireCtx(&fasthttp.RequestCtx{})
+
+	c.Bind(Map{
+		"Title": "Hello, World!",
+	})
+
+	c.Locals("Summary", "Test")
+
+	defer app.ReleaseCtx(c)
+	err := c.Render("./.github/testdata/template2.html", Map{})
+
+	utils.AssertEqual(t, nil, err)
+	utils.AssertEqual(t, "<h1>Hello, World! Test</h1>", string(c.Response().Body()))
+
+}
+
 func Test_Ctx_RenderWithLocalsAndBinding(t *testing.T) {
 	t.Parallel()
 	app := New(Config{
@@ -2261,14 +2306,79 @@ func Test_Ctx_RenderWithLocalsAndBinding(t *testing.T) {
 		"Title": "Hello, World!",
 	})
 
-	buf := bytebufferpool.Get()
-	_, _ = buf.WriteString("overwrite")
-	defer bytebufferpool.Put(buf)
-
 	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, "<h1>Hello, World!</h1>", string(c.Response().Body()))
 }
 
+func Benchmark_Ctx_RenderWithLocalsAndBinding(b *testing.B) {
+	var err error
+	app := New(Config{
+		PassLocalsToViews: true,
+	})
+	c := app.AcquireCtx(&fasthttp.RequestCtx{})
+
+	c.Bind(Map{
+		"Title": "Hello, World!",
+	})
+	c.Locals("Summary", "Test")
+
+	defer app.ReleaseCtx(c)
+
+	b.ReportAllocs()
+	b.ResetTimer()
+
+	for n := 0; n < b.N; n++ {
+		err = c.Render("./.github/testdata/template2.html", Map{})
+	}
+
+	utils.AssertEqual(b, nil, err)
+	utils.AssertEqual(b, "<h1>Hello, World! Test</h1>", string(c.Response().Body()))
+}
+
+func Benchmark_Ctx_RenderLocals(b *testing.B) {
+	var err error
+	app := New(Config{
+		PassLocalsToViews: true,
+	})
+	c := app.AcquireCtx(&fasthttp.RequestCtx{})
+
+	c.Locals("Title", "Hello, World!")
+
+	defer app.ReleaseCtx(c)
+
+	b.ReportAllocs()
+	b.ResetTimer()
+
+	for n := 0; n < b.N; n++ {
+		err = c.Render("./.github/testdata/template.html", Map{})
+	}
+
+	utils.AssertEqual(b, nil, err)
+	utils.AssertEqual(b, "<h1>Hello, World!</h1>", string(c.Response().Body()))
+}
+
+func Benchmark_Ctx_RenderBind(b *testing.B) {
+	var err error
+	app := New()
+	c := app.AcquireCtx(&fasthttp.RequestCtx{})
+
+	c.Bind(Map{
+		"Title": "Hello, World!",
+	})
+
+	defer app.ReleaseCtx(c)
+
+	b.ReportAllocs()
+	b.ResetTimer()
+
+	for n := 0; n < b.N; n++ {
+		err = c.Render("./.github/testdata/template.html", Map{})
+	}
+
+	utils.AssertEqual(b, nil, err)
+	utils.AssertEqual(b, "<h1>Hello, World!</h1>", string(c.Response().Body()))
+}
+
 // go test -run Test_Ctx_RestartRouting
 func Test_Ctx_RestartRouting(t *testing.T) {
 	app := New()