fix: Use of lookbehind regex crashes Safari, added lint rule to prevent future accidental regression

.eslintrc

@@ -16,6 +16,7 @@
     "plugin:prettier/recommended"
   ],
   "plugins": [
+    "es",
     "@typescript-eslint",
     "eslint-plugin-import",
     "eslint-plugin-node",
@@ -28,6 +29,7 @@
     "curly": 2,
     "no-mixed-operators": "off",
     "no-useless-escape": "off",
+    "es/no-regexp-lookbehind-assertions": "error",
     "@typescript-eslint/no-unused-vars": [
       "error",
       {

package.json

@@ -287,6 +287,7 @@
     "eslint": "^7.6.0",
     "eslint-config-prettier": "^8.3.0",
     "eslint-import-resolver-typescript": "^2.5.0",
+    "eslint-plugin-es": "^4.1.0",
     "eslint-plugin-import": "^2.25.3",
     "eslint-plugin-jsx-a11y": "^6.1.0",
     "eslint-plugin-node": "^11.1.0",

shared/editor/marks/Italic.ts

@@ -46,8 +46,8 @@ export default class Italic extends Mark {
      * 1_123_
      */
     return [
-      markInputRule(/(?<=[^_\na-zA-Z0-9]|^)_([^_\n]+)_$/, type),
-      markInputRule(/(?<=[^*\na-zA-Z0-9]|^)\*([^*\n]+)\*$/, type),
+      markInputRule(/(?:^|[^_a-zA-Z0-9])(_([^_]+)_)$/, type),
+      markInputRule(/(?:^|[^*a-zA-Z0-9])(\*([^*]+)\*)$/, type),
     ];
   }
 

yarn.lock

@@ -6726,6 +6726,14 @@ eslint-plugin-es@^3.0.0:
     eslint-utils "^2.0.0"
     regexpp "^3.0.0"
 
+eslint-plugin-es@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-es/-/eslint-plugin-es-4.1.0.tgz#f0822f0c18a535a97c3e714e89f88586a7641ec9"
+  integrity sha512-GILhQTnjYE2WorX5Jyi5i4dz5ALWxBIdQECVQavL6s7cI76IZTDWleTHkxz/QT3kvcs2QlGHvKLYsSlPOlPXnQ==
+  dependencies:
+    eslint-utils "^2.0.0"
+    regexpp "^3.0.0"
+
 eslint-plugin-import@^2.25.3:
   version "2.25.3"
   resolved "https://registry.yarnpkg.com/eslint-plugin-import/-/eslint-plugin-import-2.25.3.tgz#a554b5f66e08fb4f6dc99221866e57cfff824766"