v37.0.0

Author: marcoscaceres

builds/respec-aom.js

@@ -10,15 +10,73 @@ if (typeof self.hljs === "undefined" && self.RESPEC_HIGHLIGHT_URL) {
 }
 
 self.addEventListener("message", ({ data }) => {
-  if (data.action !== "highlight") return;
-  const { code } = data;
-  const langs = data.languages?.length ? data.languages : undefined;
-  try {
-    const { value, language } = self.hljs.highlightAuto(code, langs);
-    Object.assign(data, { value, language });
-  } catch (err) {
-    console.error("Could not transform some code?", err);
-    Object.assign(data, { value: code, language: "" });
+  switch (data.action) {
+    case "highlight-load-lang": {
+      const { langURL, langScript, propName, lang } = data;
+      console.warn(
+        `[ReSpec] The "highlight-load-lang" worker action is deprecated ` +
+          `and will be removed in a future version. ` +
+          `To migrate, fetch your language script in the main thread and ` +
+          `send the text as "langScript" instead of "langURL". ` +
+          `The "langURL" path may fail in Firefox. ` +
+          `See https://github.com/speced/respec/issues/5228`
+      );
+      try {
+        if (langScript) {
+          const blob = new Blob([langScript], {
+            type: "application/javascript",
+          });
+          const objectURL = URL.createObjectURL(blob);
+          try {
+            importScripts(objectURL);
+          } finally {
+            URL.revokeObjectURL(objectURL);
+          }
+        } else if (langURL) {
+          const { protocol, hostname } = new URL(langURL);
+          const isSecure =
+            protocol === "https:" ||
+            (protocol === "http:" &&
+              (hostname === "localhost" ||
+                hostname === "127.0.0.1" ||
+                hostname === "[::1]"));
+          if (!isSecure) {
+            throw new Error(
+              `langURL must be https: or http: on localhost, got "${langURL}"`
+            );
+          }
+          importScripts(langURL);
+        } else {
+          throw new Error(
+            `No langScript or langURL provided for language "${lang}"`
+          );
+        }
+        if (typeof self[propName] === "function") {
+          self.hljs.registerLanguage(lang, self[propName]);
+        } else {
+          throw new Error(
+            `Language definer "${propName}" is not a function on self`
+          );
+        }
+      } catch (err) {
+        console.error("Failed to load or register language", lang, err);
+      }
+      delete data.langScript;
+      delete data.langURL;
+      break;
+    }
+    case "highlight": {
+      const { code } = data;
+      const langs = data.languages?.length ? data.languages : undefined;
+      try {
+        const { value, language } = self.hljs.highlightAuto(code, langs);
+        Object.assign(data, { value, language });
+      } catch (err) {
+        console.error("Could not transform some code?", err);
+        Object.assign(data, { value: code, language: "" });
+      }
+      break;
+    }
   }
   self.postMessage(data);
 });

builds/respec-aom.js.map

@@ -1,6 +1,6 @@
 {
   "name": "respec",
-  "version": "36.0.0",
+  "version": "37.0.0",
   "license": "W3C",
   "description": "A technical specification pre-processor.",
   "engines": {