Add notes for the new lead maintainer of the open-source iris project and align with @get-ion/ion by @hiveminded

Former-commit-id: da4f38eb9034daa49446df3ee529423b98f9b331

core/router/spa.go

@@ -1,96 +0,0 @@
-package router
-
-import (
-	"net/http"
-	"strings"
-
-	"github.com/kataras/iris/context"
-)
-
-// AssetValidator returns true if "filename"
-// is asset, i.e: strings.Contains(filename, ".").
-type AssetValidator func(filename string) bool
-
-// SPABuilder helps building a single page application server
-// which serves both routes and files from the root path.
-type SPABuilder struct {
-	IndexNames      []string
-	AssetHandler    context.Handler
-	AssetValidators []AssetValidator
-}
-
-// NewSPABuilder returns a new Single Page Application builder
-// It does what StaticWeb expected to do when serving files and routes at the same time
-// from the root "/" path.
-//
-// Accepts a static asset handler, which can be an app.StaticHandler, app.StaticEmbeddedHandler...
-func NewSPABuilder(assetHandler context.Handler) *SPABuilder {
-	if assetHandler == nil {
-		assetHandler = func(ctx context.Context) {
-			ctx.Writef("empty asset handler")
-		}
-	}
-
-	return &SPABuilder{
-		IndexNames:   []string{"index.html"},
-		AssetHandler: assetHandler,
-		AssetValidators: []AssetValidator{
-			func(path string) bool {
-				return strings.Contains(path, ".")
-			},
-		},
-	}
-}
-
-func (s *SPABuilder) isAsset(reqPath string) bool {
-	for _, v := range s.AssetValidators {
-		if !v(reqPath) {
-			return false
-		}
-	}
-	return true
-}
-
-// BuildWrapper returns a wrapper which serves the single page application
-// with the declared configuration.
-//
-// It should be passed to the router's `WrapRouter`:
-// https://godoc.org/github.com/kataras/iris/core/router#Router.WrapRouter
-//
-// Example: https://github.com/kataras/iris/tree/master/_examples/beginner/file-server/single-page-application-builder
-func (s *SPABuilder) BuildWrapper(cPool *context.Pool) WrapperFunc {
-
-	fileServer := s.AssetHandler
-	indexNames := s.IndexNames
-
-	wrapper := func(w http.ResponseWriter, r *http.Request, router http.HandlerFunc) {
-		path := r.URL.Path
-
-		if !s.isAsset(path) {
-			// it's not asset, execute the registered route's handlers
-			router(w, r)
-			return
-		}
-
-		ctx := cPool.Acquire(w, r)
-
-		for _, index := range indexNames {
-			if strings.HasSuffix(path, index) {
-				localRedirect(ctx, "./")
-				cPool.Release(ctx)
-				// "/" should be manually  registered.
-				// We don't setup an index handler here,
-				// let full control to the user
-				// (use middleware, ctx.ServeFile or ctx.View and so on...)
-				return
-			}
-		}
-
-		// execute file server for path
-		fileServer(ctx)
-
-		cPool.Release(ctx)
-	}
-
-	return wrapper
-}