Work toward making tests pass

Author: flimzy

build/context_test.go

@@ -3,6 +3,7 @@ package build
 import (
 	"fmt"
 	"go/build"
+	"net/http"
 	"path/filepath"
 	"strings"
 	"testing"
@@ -13,6 +14,10 @@ import (
 	"golang.org/x/tools/go/buildutil"
 )
 
+func init() {
+	gopherjspkg.RegisterFS(http.Dir(".."))
+}
+
 func TestSimpleCtx(t *testing.T) {
 	e := DefaultEnv()
 

compiler/gopherjspkg/fs.go

@@ -1,14 +1,13 @@
 package gopherjspkg
 
 import (
-	"io/fs"
 	"net/http"
 )
 
 // FS is a virtual filesystem that contains core GopherJS packages.
 var FS http.FileSystem
 
 // RegisterFS allows setting the embedded fs from another package.
-func RegisterFS(fs fs.ReadDirFS) {
-	FS = http.FS(fs)
+func RegisterFS(fs http.FileSystem) {
+	FS = fs
 }

embed.go

@@ -9,6 +9,7 @@ package main
 
 import (
 	"embed"
+	"net/http"
 
 	"github.com/gopherjs/gopherjs/compiler/gopherjspkg"
 )
@@ -17,5 +18,5 @@ import (
 var fs embed.FS
 
 func init() {
-	gopherjspkg.RegisterFS(fs)
+	gopherjspkg.RegisterFS(http.FS(fs))
 }