From 87f1fedb41339ff00fb32595f95605cb55094720 Mon Sep 17 00:00:00 2001
From: Christophe Dervieux <christophe.dervieux@gmail.com>
Date: Wed, 15 Nov 2023 12:56:20 +0100
Subject: [PATCH] If `TYPST_FONT_PATHS` is set, pass it through

Other our internal use of `--font-path` will override the value
---
 src/core/typst.ts | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/core/typst.ts b/src/core/typst.ts
index 0002c10e25..1fce6559c8 100644
--- a/src/core/typst.ts
+++ b/src/core/typst.ts
@@ -19,6 +19,16 @@ export function typstBinaryPath() {
     architectureToolsPath("typst");
 }
 
+function fontPathsArgs() {
+  const fontPathsEnv = Deno.env.get("TYPST_FONT_PATHS");
+  const fontPathsQuarto = ["--font-path", resourcePath("formats/typst/fonts")];
+  if (fontPathsEnv) {
+    return [...fontPathsQuarto, "--font-path", fontPathsEnv];
+  } else {
+    return fontPathsQuarto;
+  }
+}
+
 export async function typstCompile(
   input: string,
   output: string,
@@ -27,13 +37,11 @@ export async function typstCompile(
   if (!quiet) {
     typstProgress(input, output);
   }
-
   const cmd = [
     typstBinaryPath(),
     "compile",
     input,
-    "--font-path",
-    resourcePath("formats/typst/fonts"),
+    ...fontPathsArgs(),
     output,
   ];
   const result = await execProcess({ cmd });