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2022-11-27 10:52:48PM

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This commit is contained in:
Alexander Wang 2022-11-27 22:52:48 -08:00
parent f37b54ca24
commit 33b7fbaa9e
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GPG key ID: D89FA31966BDBECE
2 changed files with 12 additions and 2 deletions
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7
d2renderers/d2latex/latex.go
View file

@ -9,6 +9,7 @@ import (
"regexp"
"strconv"
"oss.terrastruct.com/xdefer"
v8 "rogchap.com/v8go"
)
@ -23,7 +24,8 @@ var mathjaxJS string
var svgRe = regexp.MustCompile(`<svg[^>]+width="([0-9\.]+)ex" height="([0-9\.]+)ex"[^>]+>`)
func Render(s string) (string, error) {
func Render(s string) (_ string, err error) {
defer xdefer.Errorf(&err, "latex failed to parse")
v8ctx := v8.NewContext()
if _, err := v8ctx.RunScript(polyfillsJS, "polyfills.js"); err != nil {
@ -49,7 +51,8 @@ func Render(s string) (string, error) {
return val.String(), nil
}
func Measure(s string) (width, height int, _ error) {
func Measure(s string) (width, height int, err error) {
defer xdefer.Errorf(&err, "latex failed to parse")
svg, err := Render(s)
if err != nil {
return 0, 0, err

7
d2renderers/d2latex/latex_test.go
View file

@ -21,3 +21,10 @@ func TestRender(t *testing.T) {
}
}
}
func TestRenderError(t *testing.T) {
_, err := Render(`\frac{1}{2}`)
if err == nil {
t.Fatal(err)
}
}