gopherjs · dmitshur · Dec 2, 2019 · Dec 1, 2019 · Dec 1, 2019 · Dec 1, 2019
diff --git a/playground/internal/imports/gen.go b/playground/internal/imports/gen.go
@@ -1,5 +1,6 @@
+//go:generate go run mkapi.go -output=syscalljs.txt -contexts js-wasm syscall/js
 //go:generate go run mkapi.go -output=gopherjs.txt -gopath github.com/gopherjs/gopherjs/js
 //go:generate go run mkstdlib.go -output=zstdlib
-//go:generate rm gopherjs.txt
+//go:generate rm syscalljs.txt gopherjs.txt
 
 package imports
diff --git a/playground/internal/imports/mkstdlib.go b/playground/internal/imports/mkstdlib.go
@@ -69,6 +69,11 @@ func main() {
 		mustOpen(api("go1.10.txt")),
 		mustOpen(api("go1.11.txt")),
 		mustOpen(api("go1.12.txt")),
+
+		// The API of the syscall/js package needs to be computed explicitly,
+		// because it's not included in the GOROOT/api/go1.*.txt files at this time.
+		mustOpen("syscalljs.txt"),
+
 		mustOpen("gopherjs.txt"),
 	)
 	sc := bufio.NewScanner(f)

diff --git a/playground/internal/imports/zstdlib.go b/playground/internal/imports/zstdlib.go
diff --git a/playground/pkg/archive/tar.a.js b/playground/pkg/archive/tar.a.js
diff --git a/playground/pkg/archive/zip.a.js b/playground/pkg/archive/zip.a.js
diff --git a/playground/pkg/bufio.a.js b/playground/pkg/bufio.a.js
diff --git a/playground/pkg/bytes.a.js b/playground/pkg/bytes.a.js
diff --git a/playground/pkg/compress/bzip2.a.js b/playground/pkg/compress/bzip2.a.js
diff --git a/playground/pkg/compress/flate.a.js b/playground/pkg/compress/flate.a.js
diff --git a/playground/pkg/compress/gzip.a.js b/playground/pkg/compress/gzip.a.js
diff --git a/playground/pkg/compress/lzw.a.js b/playground/pkg/compress/lzw.a.js
diff --git a/playground/pkg/compress/zlib.a.js b/playground/pkg/compress/zlib.a.js
diff --git a/playground/pkg/container/heap.a.js b/playground/pkg/container/heap.a.js
diff --git a/playground/pkg/container/list.a.js b/playground/pkg/container/list.a.js
diff --git a/playground/pkg/container/ring.a.js b/playground/pkg/container/ring.a.js
diff --git a/playground/pkg/context.a.js b/playground/pkg/context.a.js
diff --git a/playground/pkg/crypto.a.js b/playground/pkg/crypto.a.js
diff --git a/playground/pkg/crypto/aes.a.js b/playground/pkg/crypto/aes.a.js
diff --git a/playground/pkg/crypto/cipher.a.js b/playground/pkg/crypto/cipher.a.js
diff --git a/playground/pkg/crypto/des.a.js b/playground/pkg/crypto/des.a.js
diff --git a/playground/pkg/crypto/dsa.a.js b/playground/pkg/crypto/dsa.a.js
diff --git a/playground/pkg/crypto/ecdsa.a.js b/playground/pkg/crypto/ecdsa.a.js
diff --git a/playground/pkg/crypto/elliptic.a.js b/playground/pkg/crypto/elliptic.a.js
diff --git a/playground/pkg/crypto/hmac.a.js b/playground/pkg/crypto/hmac.a.js
diff --git a/playground/pkg/crypto/internal/randutil.a.js b/playground/pkg/crypto/internal/randutil.a.js
diff --git a/playground/pkg/crypto/internal/subtle.a.js b/playground/pkg/crypto/internal/subtle.a.js
diff --git a/playground/pkg/crypto/md5.a.js b/playground/pkg/crypto/md5.a.js
diff --git a/playground/pkg/crypto/rand.a.js b/playground/pkg/crypto/rand.a.js
diff --git a/playground/pkg/crypto/rc4.a.js b/playground/pkg/crypto/rc4.a.js
diff --git a/playground/pkg/crypto/rsa.a.js b/playground/pkg/crypto/rsa.a.js
diff --git a/playground/pkg/crypto/sha1.a.js b/playground/pkg/crypto/sha1.a.js
diff --git a/playground/pkg/crypto/sha256.a.js b/playground/pkg/crypto/sha256.a.js
diff --git a/playground/pkg/crypto/sha512.a.js b/playground/pkg/crypto/sha512.a.js
diff --git a/playground/pkg/crypto/subtle.a.js b/playground/pkg/crypto/subtle.a.js
diff --git a/playground/pkg/crypto/tls.a.js b/playground/pkg/crypto/tls.a.js
diff --git a/playground/pkg/crypto/x509.a.js b/playground/pkg/crypto/x509.a.js
diff --git a/playground/pkg/crypto/x509/pkix.a.js b/playground/pkg/crypto/x509/pkix.a.js
diff --git a/playground/pkg/database/sql/driver.a.js b/playground/pkg/database/sql/driver.a.js
diff --git a/playground/pkg/debug/dwarf.a.js b/playground/pkg/debug/dwarf.a.js
diff --git a/playground/pkg/debug/gosym.a.js b/playground/pkg/debug/gosym.a.js
diff --git a/playground/pkg/debug/pe.a.js b/playground/pkg/debug/pe.a.js
diff --git a/playground/pkg/encoding.a.js b/playground/pkg/encoding.a.js
diff --git a/playground/pkg/encoding/ascii85.a.js b/playground/pkg/encoding/ascii85.a.js
diff --git a/playground/pkg/encoding/asn1.a.js b/playground/pkg/encoding/asn1.a.js
diff --git a/playground/pkg/encoding/base32.a.js b/playground/pkg/encoding/base32.a.js
diff --git a/playground/pkg/encoding/base64.a.js b/playground/pkg/encoding/base64.a.js
diff --git a/playground/pkg/encoding/binary.a.js b/playground/pkg/encoding/binary.a.js
diff --git a/playground/pkg/encoding/csv.a.js b/playground/pkg/encoding/csv.a.js
diff --git a/playground/pkg/encoding/gob.a.js b/playground/pkg/encoding/gob.a.js
diff --git a/playground/pkg/encoding/hex.a.js b/playground/pkg/encoding/hex.a.js
diff --git a/playground/pkg/encoding/json.a.js b/playground/pkg/encoding/json.a.js
diff --git a/playground/pkg/encoding/pem.a.js b/playground/pkg/encoding/pem.a.js
diff --git a/playground/pkg/encoding/xml.a.js b/playground/pkg/encoding/xml.a.js
diff --git a/playground/pkg/errors.a.js b/playground/pkg/errors.a.js
diff --git a/playground/pkg/flag.a.js b/playground/pkg/flag.a.js
diff --git a/playground/pkg/fmt.a.js b/playground/pkg/fmt.a.js
diff --git a/playground/pkg/github.com/gopherjs/gopherjs/js.a.js b/playground/pkg/github.com/gopherjs/gopherjs/js.a.js
diff --git a/playground/pkg/github.com/gopherjs/gopherjs/nosync.a.js b/playground/pkg/github.com/gopherjs/gopherjs/nosync.a.js
diff --git a/playground/pkg/go/ast.a.js b/playground/pkg/go/ast.a.js
diff --git a/playground/pkg/go/doc.a.js b/playground/pkg/go/doc.a.js
diff --git a/playground/pkg/go/format.a.js b/playground/pkg/go/format.a.js
diff --git a/playground/pkg/go/parser.a.js b/playground/pkg/go/parser.a.js
diff --git a/playground/pkg/go/printer.a.js b/playground/pkg/go/printer.a.js
diff --git a/playground/pkg/go/scanner.a.js b/playground/pkg/go/scanner.a.js
diff --git a/playground/pkg/go/token.a.js b/playground/pkg/go/token.a.js
diff --git a/playground/pkg/hash.a.js b/playground/pkg/hash.a.js
diff --git a/playground/pkg/hash/adler32.a.js b/playground/pkg/hash/adler32.a.js
diff --git a/playground/pkg/hash/crc32.a.js b/playground/pkg/hash/crc32.a.js
diff --git a/playground/pkg/hash/crc64.a.js b/playground/pkg/hash/crc64.a.js
diff --git a/playground/pkg/hash/fnv.a.js b/playground/pkg/hash/fnv.a.js
diff --git a/playground/pkg/html.a.js b/playground/pkg/html.a.js
diff --git a/playground/pkg/html/template.a.js b/playground/pkg/html/template.a.js
diff --git a/playground/pkg/image.a.js b/playground/pkg/image.a.js
diff --git a/playground/pkg/image/color.a.js b/playground/pkg/image/color.a.js
diff --git a/playground/pkg/image/color/palette.a.js b/playground/pkg/image/color/palette.a.js
diff --git a/playground/pkg/image/draw.a.js b/playground/pkg/image/draw.a.js
diff --git a/playground/pkg/image/gif.a.js b/playground/pkg/image/gif.a.js
diff --git a/playground/pkg/image/internal/imageutil.a.js b/playground/pkg/image/internal/imageutil.a.js
diff --git a/playground/pkg/image/jpeg.a.js b/playground/pkg/image/jpeg.a.js
diff --git a/playground/pkg/image/png.a.js b/playground/pkg/image/png.a.js
diff --git a/playground/pkg/index/suffixarray.a.js b/playground/pkg/index/suffixarray.a.js
diff --git a/playground/pkg/internal/bytealg.a.js b/playground/pkg/internal/bytealg.a.js
diff --git a/playground/pkg/internal/cpu.a.js b/playground/pkg/internal/cpu.a.js
diff --git a/playground/pkg/internal/fmtsort.a.js b/playground/pkg/internal/fmtsort.a.js
diff --git a/playground/pkg/internal/nettrace.a.js b/playground/pkg/internal/nettrace.a.js
diff --git a/playground/pkg/internal/poll.a.js b/playground/pkg/internal/poll.a.js
diff --git a/playground/pkg/internal/race.a.js b/playground/pkg/internal/race.a.js
diff --git a/playground/pkg/internal/singleflight.a.js b/playground/pkg/internal/singleflight.a.js
diff --git a/playground/pkg/internal/syscall/unix.a.js b/playground/pkg/internal/syscall/unix.a.js
diff --git a/playground/pkg/internal/testlog.a.js b/playground/pkg/internal/testlog.a.js
diff --git a/playground/pkg/internal/x/crypto/chacha20poly1305.a.js b/playground/pkg/internal/x/crypto/chacha20poly1305.a.js
diff --git a/playground/pkg/internal/x/crypto/cryptobyte.a.js b/playground/pkg/internal/x/crypto/cryptobyte.a.js
diff --git a/playground/pkg/internal/x/crypto/cryptobyte/asn1.a.js b/playground/pkg/internal/x/crypto/cryptobyte/asn1.a.js
diff --git a/playground/pkg/internal/x/crypto/curve25519.a.js b/playground/pkg/internal/x/crypto/curve25519.a.js
diff --git a/playground/pkg/internal/x/crypto/hkdf.a.js b/playground/pkg/internal/x/crypto/hkdf.a.js
diff --git a/playground/pkg/internal/x/crypto/internal/chacha20.a.js b/playground/pkg/internal/x/crypto/internal/chacha20.a.js
diff --git a/playground/pkg/internal/x/crypto/poly1305.a.js b/playground/pkg/internal/x/crypto/poly1305.a.js
diff --git a/playground/pkg/internal/x/net/dns/dnsmessage.a.js b/playground/pkg/internal/x/net/dns/dnsmessage.a.js
diff --git a/playground/pkg/internal/x/net/http/httpguts.a.js b/playground/pkg/internal/x/net/http/httpguts.a.js
diff --git a/playground/pkg/internal/x/net/http/httpproxy.a.js b/playground/pkg/internal/x/net/http/httpproxy.a.js
diff --git a/playground/pkg/internal/x/net/http2/hpack.a.js b/playground/pkg/internal/x/net/http2/hpack.a.js
diff --git a/playground/pkg/internal/x/net/idna.a.js b/playground/pkg/internal/x/net/idna.a.js
diff --git a/playground/pkg/internal/x/net/route.a.js b/playground/pkg/internal/x/net/route.a.js
diff --git a/playground/pkg/internal/x/text/secure/bidirule.a.js b/playground/pkg/internal/x/text/secure/bidirule.a.js
diff --git a/playground/pkg/internal/x/text/transform.a.js b/playground/pkg/internal/x/text/transform.a.js
diff --git a/playground/pkg/internal/x/text/unicode/bidi.a.js b/playground/pkg/internal/x/text/unicode/bidi.a.js
diff --git a/playground/pkg/internal/x/text/unicode/norm.a.js b/playground/pkg/internal/x/text/unicode/norm.a.js
diff --git a/playground/pkg/io.a.js b/playground/pkg/io.a.js
diff --git a/playground/pkg/io/ioutil.a.js b/playground/pkg/io/ioutil.a.js
diff --git a/playground/pkg/log.a.js b/playground/pkg/log.a.js
diff --git a/playground/pkg/math.a.js b/playground/pkg/math.a.js
diff --git a/playground/pkg/math/big.a.js b/playground/pkg/math/big.a.js
diff --git a/playground/pkg/math/bits.a.js b/playground/pkg/math/bits.a.js
diff --git a/playground/pkg/math/cmplx.a.js b/playground/pkg/math/cmplx.a.js
diff --git a/playground/pkg/math/rand.a.js b/playground/pkg/math/rand.a.js
diff --git a/playground/pkg/mime.a.js b/playground/pkg/mime.a.js
diff --git a/playground/pkg/mime/multipart.a.js b/playground/pkg/mime/multipart.a.js
diff --git a/playground/pkg/mime/quotedprintable.a.js b/playground/pkg/mime/quotedprintable.a.js
diff --git a/playground/pkg/net.a.js b/playground/pkg/net.a.js
diff --git a/playground/pkg/net/http.a.js b/playground/pkg/net/http.a.js
diff --git a/playground/pkg/net/http/cgi.a.js b/playground/pkg/net/http/cgi.a.js
diff --git a/playground/pkg/net/http/cookiejar.a.js b/playground/pkg/net/http/cookiejar.a.js
diff --git a/playground/pkg/net/http/fcgi.a.js b/playground/pkg/net/http/fcgi.a.js
diff --git a/playground/pkg/net/http/httptest.a.js b/playground/pkg/net/http/httptest.a.js
diff --git a/playground/pkg/net/http/httptrace.a.js b/playground/pkg/net/http/httptrace.a.js
diff --git a/playground/pkg/net/http/httputil.a.js b/playground/pkg/net/http/httputil.a.js
diff --git a/playground/pkg/net/http/internal.a.js b/playground/pkg/net/http/internal.a.js
diff --git a/playground/pkg/net/mail.a.js b/playground/pkg/net/mail.a.js
diff --git a/playground/pkg/net/smtp.a.js b/playground/pkg/net/smtp.a.js
diff --git a/playground/pkg/net/textproto.a.js b/playground/pkg/net/textproto.a.js
diff --git a/playground/pkg/net/url.a.js b/playground/pkg/net/url.a.js
diff --git a/playground/pkg/os.a.js b/playground/pkg/os.a.js
diff --git a/playground/pkg/os/exec.a.js b/playground/pkg/os/exec.a.js
diff --git a/playground/pkg/os/user.a.js b/playground/pkg/os/user.a.js
diff --git a/playground/pkg/path.a.js b/playground/pkg/path.a.js
diff --git a/playground/pkg/path/filepath.a.js b/playground/pkg/path/filepath.a.js
diff --git a/playground/pkg/reflect.a.js b/playground/pkg/reflect.a.js
diff --git a/playground/pkg/regexp.a.js b/playground/pkg/regexp.a.js
diff --git a/playground/pkg/regexp/syntax.a.js b/playground/pkg/regexp/syntax.a.js
diff --git a/playground/pkg/runtime.a.js b/playground/pkg/runtime.a.js
diff --git a/playground/pkg/runtime/debug.a.js b/playground/pkg/runtime/debug.a.js
diff --git a/playground/pkg/runtime/internal/sys.a.js b/playground/pkg/runtime/internal/sys.a.js
diff --git a/playground/pkg/runtime/trace.a.js b/playground/pkg/runtime/trace.a.js
diff --git a/playground/pkg/sort.a.js b/playground/pkg/sort.a.js
diff --git a/playground/pkg/strconv.a.js b/playground/pkg/strconv.a.js
diff --git a/playground/pkg/strings.a.js b/playground/pkg/strings.a.js
diff --git a/playground/pkg/sync.a.js b/playground/pkg/sync.a.js
diff --git a/playground/pkg/sync/atomic.a.js b/playground/pkg/sync/atomic.a.js
diff --git a/playground/pkg/syscall.a.js b/playground/pkg/syscall.a.js
diff --git a/playground/pkg/syscall/js.a.js b/playground/pkg/syscall/js.a.js
diff --git a/playground/pkg/testing.a.js b/playground/pkg/testing.a.js
diff --git a/playground/pkg/testing/iotest.a.js b/playground/pkg/testing/iotest.a.js
diff --git a/playground/pkg/testing/quick.a.js b/playground/pkg/testing/quick.a.js
diff --git a/playground/pkg/text/scanner.a.js b/playground/pkg/text/scanner.a.js
diff --git a/playground/pkg/text/tabwriter.a.js b/playground/pkg/text/tabwriter.a.js
diff --git a/playground/pkg/text/template.a.js b/playground/pkg/text/template.a.js
diff --git a/playground/pkg/text/template/parse.a.js b/playground/pkg/text/template/parse.a.js
diff --git a/playground/pkg/time.a.js b/playground/pkg/time.a.js
diff --git a/playground/pkg/unicode.a.js b/playground/pkg/unicode.a.js
diff --git a/playground/pkg/unicode/utf16.a.js b/playground/pkg/unicode/utf16.a.js
diff --git a/playground/pkg/unicode/utf8.a.js b/playground/pkg/unicode/utf8.a.js
diff --git a/playground/playground.go b/playground/playground.go
@@ -54,7 +54,7 @@ func main() {
 				})
 			}()
 		} else {
-			scope.Set("code", "package main\n\nimport (\n\t\"fmt\"\n\n\t\"github.com/gopherjs/gopherjs/js\"\n)\n\nfunc main() {\n\tfmt.Println(\"Hello, playground\")\n\tjs.Global.Call(\"alert\", \"Hello, JavaScript\")\n\tprintln(\"Hello, JS console\")\n}\n")
+			scope.Set("code", "package main\n\nimport (\n\t\"fmt\"\n\t\"syscall/js\"\n)\n\nfunc main() {\n\tfmt.Println(\"Hello, playground\")\n\tjs.Global().Call(\"alert\", \"Hello, JavaScript\")\n\tprintln(\"Hello, JS console\")\n}\n")
 			close(codeReady)
 		}
 		scope.Set("imports", true)

diff --git a/playground/playground.js b/playground/playground.js
diff --git a/playground/update.sh b/playground/update.sh
@@ -10,33 +10,48 @@ cleanup() {
 
 trap cleanup EXIT HUP INT TERM
 
+# This script relies on GOPATH mode. The GOPATH workspace
+# must contain both github.com/gopherjs/gopherjs and
+# github.com/gopherjs/gopherjs.github.io repositories.
+export GO111MODULE=off
+
 go install github.com/gopherjs/gopherjs/...
 
 go generate github.com/gopherjs/gopherjs.github.io/playground/internal/imports
 
-# Build playground itself.
-gopherjs build -m
-
 # The GOPATH workspace where the GopherJS project is.
 gopherjsgopath=$(go list -f '{{.Root}}' github.com/gopherjs/gopherjs)
 
-rm -rf pkg/
+# Make a copy of GOROOT that is non-user-writable,
+# to prevent any GopherJS packages being written to it for now.
+echo "copying GOROOT from $(go env GOROOT) to $tmp/goroot"
+cp -a "$(go env GOROOT)" "$tmp/goroot"
+echo "making our copy of GOROOT non-user-writable for now"
+chmod -R -w "$tmp/goroot"
+export GOROOT="$tmp/goroot"
+unset GOPHERJS_GOROOT  # force $GOROOT to be used
+
+# Build playground itself.
+gopherjs build -m
 
 # Use an empty GOPATH workspace with just gopherjs,
 # so that all the standard library packages get written to GOROOT/pkg.
 export GOPATH="$tmp/gopath"
 mkdir -p "$GOPATH"/src/github.com/gopherjs/gopherjs
 cp -a "$gopherjsgopath"/src/github.com/gopherjs/gopherjs/* "$GOPATH"/src/github.com/gopherjs/gopherjs
 
+rm -rf pkg/
+
 gopherjs install -m github.com/gopherjs/gopherjs/js github.com/gopherjs/gopherjs/nosync
 mkdir -p pkg/github.com/gopherjs/gopherjs
 cp "$GOPATH"/pkg/*_js_min/github.com/gopherjs/gopherjs/js.a pkg/github.com/gopherjs/gopherjs/js.a
 cp "$GOPATH"/pkg/*_js_min/github.com/gopherjs/gopherjs/nosync.a pkg/github.com/gopherjs/gopherjs/nosync.a
 
-# Make a copy of GOROOT that is user-writeable,
+# Make our GOROOT copy user-writable now, then
 # use it to build and copy out standard library packages.
-cp -a "$(go env GOROOT)" "$tmp/goroot"
-export GOROOT="$tmp/goroot"
+echo "making our copy of GOROOT user-writable again"
+chmod -R u+w "$tmp/goroot"
+
 gopherjs install -m \
          archive/tar \
          archive/zip \
@@ -125,6 +140,7 @@ gopherjs install -m \
          strconv \
          strings \
          sync/atomic \
+         syscall/js \
          testing \
          testing/iotest \
          testing/quick \