From 9f2ee9f357ce104c7d06120f886253a1e1ab3954 Mon Sep 17 00:00:00 2001
From: Alexander Wang <alex@terrastruct.com>
Date: Sat, 3 Dec 2022 12:13:56 -0800
Subject: [PATCH] no more v8go

---
 d2renderers/d2latex/latex.go | 14 +++++++-------
 go.mod                       |  6 +-----
 go.sum                       |  2 --
 3 files changed, 8 insertions(+), 14 deletions(-)

diff --git a/d2renderers/d2latex/latex.go b/d2renderers/d2latex/latex.go
index 43a3f9d71..68dd9a548 100644
--- a/d2renderers/d2latex/latex.go
+++ b/d2renderers/d2latex/latex.go
@@ -9,8 +9,8 @@ import (
 	"regexp"
 	"strconv"
 
+	"github.com/dop251/goja"
 	"oss.terrastruct.com/util-go/xdefer"
-	v8 "rogchap.com/v8go"
 )
 
 var pxPerEx = 8
@@ -30,24 +30,24 @@ var svgRe = regexp.MustCompile(`<svg[^>]+width="([0-9\.]+)ex" height="([0-9\.]+)
 
 func Render(s string) (_ string, err error) {
 	defer xdefer.Errorf(&err, "latex failed to parse")
-	v8ctx := v8.NewContext()
+	vm := goja.New()
 
-	if _, err := v8ctx.RunScript(polyfillsJS, "polyfills.js"); err != nil {
+	if _, err := vm.RunString(polyfillsJS); err != nil {
 		return "", err
 	}
 
-	if _, err := v8ctx.RunScript(mathjaxJS, "mathjax.js"); err != nil {
+	if _, err := vm.RunString(mathjaxJS); err != nil {
 		return "", err
 	}
 
-	if _, err := v8ctx.RunScript(setupJS, "setup.js"); err != nil {
+	if _, err := vm.RunString(setupJS); err != nil {
 		return "", err
 	}
 
-	val, err := v8ctx.RunScript(fmt.Sprintf(`adaptor.innerHTML(html.convert(`+"`"+"%s`"+`, {
+	val, err := vm.RunString(fmt.Sprintf(`adaptor.innerHTML(html.convert(`+"`"+"%s`"+`, {
   em: %d,
   ex: %d,
-}))`, s, pxPerEx*2, pxPerEx), "value.js")
+}))`, s, pxPerEx*2, pxPerEx))
 	if err != nil {
 		return "", err
 	}
diff --git a/go.mod b/go.mod
index beb929fa2..0859ce983 100644
--- a/go.mod
+++ b/go.mod
@@ -6,6 +6,7 @@ require (
 	cdr.dev/slog v1.4.2-0.20220126003130-b94a5ff54f37
 	github.com/PuerkitoBio/goquery v1.8.0
 	github.com/alecthomas/chroma v0.10.0
+	github.com/dop251/goja v0.0.0-20221118162653-d4bf6fde1b86
 	github.com/fsnotify/fsnotify v1.6.0
 	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0
 	github.com/lucasb-eyer/go-colorful v1.2.0
@@ -21,7 +22,6 @@ require (
 	gonum.org/v1/plot v0.12.0
 	nhooyr.io/websocket v1.8.7
 	oss.terrastruct.com/util-go v0.0.0-20221202012609-7e2754a7212e
-	rogchap.com/v8go v0.7.1-0.20221102201510-1f00b5007d95
 )
 
 require (
@@ -30,7 +30,6 @@ require (
 	github.com/danwakefield/fnmatch v0.0.0-20160403171240-cbb64ac3d964 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/dlclark/regexp2 v1.7.0 // indirect
-	github.com/dop251/goja v0.0.0-20221118162653-d4bf6fde1b86 // indirect
 	github.com/fatih/color v1.13.0 // indirect
 	github.com/gin-gonic/gin v1.7.7 // indirect
 	github.com/go-playground/validator/v10 v10.10.0 // indirect
@@ -39,7 +38,6 @@ require (
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/klauspost/compress v1.13.6 // indirect
-	github.com/kr/pretty v0.3.0 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.16 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
@@ -56,8 +54,6 @@ require (
 	golang.org/x/text v0.4.0 // indirect
 	google.golang.org/genproto v0.0.0-20220822174746-9e6da59bd2fc // indirect
 	google.golang.org/protobuf v1.28.1 // indirect
-	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
 	gopkg.in/square/go-jose.v2 v2.6.0 // indirect
-	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
diff --git a/go.sum b/go.sum
index 87957fe3f..f07881d96 100644
--- a/go.sum
+++ b/go.sum
@@ -808,8 +808,6 @@ nhooyr.io/websocket v1.8.7 h1:usjR2uOr/zjjkVMy0lW+PPohFok7PCow5sDjLgX4P4g=
 nhooyr.io/websocket v1.8.7/go.mod h1:B70DZP8IakI65RVQ51MsWP/8jndNma26DVA/nFSCgW0=
 oss.terrastruct.com/util-go v0.0.0-20221202012609-7e2754a7212e h1:XKBj39q+voyb6m8hH0GLl0R7eKzFfKijiUqf5Emu1yc=
 oss.terrastruct.com/util-go v0.0.0-20221202012609-7e2754a7212e/go.mod h1:Fwy72FDIOOM4K8F96ScXkxHHppR1CPfUyo9+x9c1PBU=
-rogchap.com/v8go v0.7.1-0.20221102201510-1f00b5007d95 h1:r89YHVIWeQj/A3Nu6462eqARUECJlJkLRk36pfML1xA=
-rogchap.com/v8go v0.7.1-0.20221102201510-1f00b5007d95/go.mod h1:MxgP3pL2MW4dpme/72QRs8sgNMmM0pRc8DPhcuLWPAs=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
 rsc.io/pdf v0.1.1 h1:k1MczvYDUvJBe93bYd7wrZLLUEcLZAuF824/I4e5Xr4=
 rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=