Inlined regex escaping from dependency

material/base.html

@@ -66,7 +66,7 @@
       {% endif %}
     {% endblock %}
     {% block libs %}
-      <script src="{{ 'assets/javascripts/modernizr.1f0bcf2b.js' | url }}"></script>
+      <script src="{{ 'assets/javascripts/modernizr.74668098.js' | url }}"></script>
     {% endblock %}
     {% block fonts %}
       {% if font != false %}
@@ -190,7 +190,7 @@
       {% endblock %}
     </div>
     {% block scripts %}
-      <script src="{{ 'assets/javascripts/application.3ca04de7.js' | url }}"></script>
+      <script src="{{ 'assets/javascripts/application.48c2c9de.js' | url }}"></script>
       {% if lang.t("search.language") != "en" %}
         {% set languages = lang.t("search.language").split(",") %}
         {% if languages | length and languages[0] != "" %}

package.json

@@ -54,7 +54,6 @@
     "cssmin": "^0.4.3",
     "custom-event-polyfill": "^1.0.7",
     "customizr": "^1.2.1",
-    "escape-string-regexp": "^1.0.5",
     "eslint": "^5.16.0",
     "event-hooks-webpack-plugin": "^2.1.1",
     "expose-loader": "^0.7.4",

src/assets/javascripts/components/Material/Search/Result.jsx

@@ -20,13 +20,25 @@
  * IN THE SOFTWARE.
  */
 
-import escape from "escape-string-regexp"
 import lunr from "expose-loader?lunr!lunr"
 
 /* ----------------------------------------------------------------------------
  * Functions
  * ------------------------------------------------------------------------- */
 
+/**
+ * Escape a regular expression string
+ *
+ * Taken from the package `escape-string-regexp`
+ *
+ * @param regex - Regular expresison string
+ *
+ * @return
+ */
+const escapeRegex = regex => {
+	return regex.replace(/[|\\{}()[\]^$+*?.-]/g, '\\$&');
+};
+
 /**
  * Escape HTML strings
  *
@@ -291,7 +303,7 @@ export default class Result {
         }, new Map)
 
       /* Assemble regular expressions for matching */
-      const query = escape(this.value_.trim()).replace(
+      const query = escapeRegex(this.value_.trim()).replace(
         new RegExp(lunr.tokenizer.separator, "img"), "|")
       const match =
         new RegExp(`(^|${lunr.tokenizer.separator})(${query})`, "img")