v8 - enable linear-time regex matching engine

Author: cscheid

package/launcher/src/main.rs

@@ -93,11 +93,15 @@ fn main() {
         String::from("--allow-ffi"),      
     ];
 
+    // # --enable-experimental-regexp-engine is required for /regex/l, https://github.com/quarto-dev/quarto-cli/issues/9737
+    if let Ok(v8_options) = env::var("QUARTO_DENO_V8_OPTIONS") {
+        deno_options.push(format!("{}{}", String::from("--v8-flags=--enable-experimental-regexp-engine,--max-old-space-size=8192,--max-heap-size=8192,"), String::from(v8_options)));
+    } else {
+        deno_options.push(String::from("--v8-flags=--enable-experimental-regexp-engine,--max-old-space-size=8192,--max-heap-size=8192"));
+    }
     // If there are extra args, include those
     if let Ok(extra_options) = env::var("QUARTO_DENO_EXTRA_OPTIONS") {
         deno_options.push(extra_options);
-    } else {
-        deno_options.push(String::from("--v8-flags=--max-old-space-size=8192,--max-heap-size=8192"));
     };
 
     // run deno

package/scripts/common/quarto

@@ -169,8 +169,17 @@ export DENO_NO_UPDATE_CHECK=1
 # Be sure to include any already defined QUARTO_DENO_OPTIONS
 QUARTO_DENO_OPTIONS="--unstable-ffi --no-config ${QUARTO_CACHE_OPTIONS} --allow-read --allow-write --allow-run --allow-env --allow-net --allow-ffi ${QUARTO_DENO_OPTIONS}"
 
+# --enable-experimental-regexp-engine is required for /regex/l, https://github.com/quarto-dev/quarto-cli/issues/9737
+if [ "$QUARTO_DENO_V8_OPTIONS" != "" ]; then
+  QUARTO_DENO_V8_OPTIONS="--enable-experimental-regexp-engine,--max-old-space-size=8192,--max-heap-size=8192,${QUARTO_DENO_V8_OPTIONS}"
+else
+  QUARTO_DENO_V8_OPTIONS="--enable-experimental-regexp-engine,--max-old-space-size=8192,--max-heap-size=8192"
+fi
+
 if [ "$QUARTO_DENO_EXTRA_OPTIONS" == "" ]; then
-  QUARTO_DENO_EXTRA_OPTIONS="--v8-flags=--max-old-space-size=8192,--max-heap-size=8192"
+  QUARTO_DENO_EXTRA_OPTIONS="--v8-flags=${QUARTO_DENO_V8_OPTIONS}"
+else
+  QUARTO_DENO_EXTRA_OPTIONS="--v8-flags=${QUARTO_DENO_V8_OPTIONS} ${QUARTO_DENO_EXTRA_OPTIONS}"
 fi
 
 if [ "$QUARTO_TS_PROFILE" != "" ]; then

package/scripts/windows/quarto.cmd

@@ -98,8 +98,17 @@ SET "DENO_TLS_CA_STORE=system,mozilla"
 SET "DENO_NO_UPDATE_CHECK=1"
 SET "QUARTO_DENO_OPTIONS=--unstable-ffi --no-config --cached-only --allow-read --allow-write --allow-run --allow-env --allow-net --allow-ffi"
 
+REM --enable-experimental-regexp-engine is required for /regex/l, https://github.com/quarto-dev/quarto-cli/issues/9737
+IF DEFINED QUARTO_DENO_V8_OPTIONS (
+  SET "QUARTO_DENO_V8_OPTIONS=--enable-experimental-regexp-engine,--max-old-space-size=8192,--max-heap-size=8192,!QUARTO_DENO_V8_OPTIONS!"
+) ELSE (
+  SET "QUARTO_DENO_V8_OPTIONS=--enable-experimental-regexp-engine,--max-old-space-size=8192,--max-heap-size=8192"
+)
+
 IF NOT DEFINED QUARTO_DENO_EXTRA_OPTIONS (
-		set "QUARTO_DENO_EXTRA_OPTIONS=--v8-flags=--max-old-space-size=8192,--max-heap-size=8192"
+  SET "QUARTO_DENO_EXTRA_OPTIONS=--v8-flags=!QUARTO_DENO_V8_OPTIONS!"
+) ELSE (
+  SET "QUARTO_DENO_EXTRA_OPTIONS=--v8-flags=!QUARTO_DENO_V8_OPTIONS! !QUARTO_DENO_EXTRA_OPTIONS!"
 )
 
 !QUARTO_DENO! !QUARTO_ACTION! !QUARTO_DENO_OPTIONS! !QUARTO_DENO_EXTRA_OPTIONS! !QUARTO_IMPORT_MAP_ARG! !QUARTO_TARGET! %*

src/project/types/website/util/discover-meta.ts

@@ -21,9 +21,9 @@ const kPreviewClassPattern =
 const kMdNamedImagePattern =
   `!\\[[^\\]]*\\]\\(${kNamedFilePattern}(?:\\".*\\")?\\)(?:\\{[^\\|]*\.*[\\s\\}]+)?`;
 
-const kNamedFileRegex = RegExp(kNamedFilePattern);
-const kMdPreviewClassRegex = RegExp(kPreviewClassPattern);
-const kMdNamedImageRegex = RegExp(kMdNamedImagePattern);
+const kNamedFileRegex = RegExp(kNamedFilePattern, "l");
+const kMdPreviewClassRegex = RegExp(kPreviewClassPattern, "l");
+const kMdNamedImageRegex = RegExp(kMdNamedImagePattern, "l");
 const kMarkdownImg = /!\[[^\]]*\]\((.*?)(?:\".*\")?\)(?:\{(?:[^\|]*)\})?/;
 
 export function findDescription(doc: Document): string | undefined {