Add back injections for regex literals

grammar.js

@@ -182,11 +182,14 @@ module.exports = grammar({
       choice(
         seq($.expression, "==", $.expression),
         seq($.expression, "!=", $.expression),
-        seq($.expression, "=~", $.expression),
+        seq($.expression, "=~", choice($.regex_literal, $.expression)),
         // verify whether this is valid
         $.expression,
       ),
 
+    // Capture this special for injections
+    regex_literal: ($) => prec(1, $.string),
+
     // value         : NAME '(' sequence? ')'
     //               | BACKTICK
     //               | INDENTED_BACKTICK

package.json

@@ -56,6 +56,9 @@
       ],
       "locals": [
         "queries-src/locals.scm"
+      ],
+      "injections": [
+        "queries-src/injections.scm"
       ]
     }
   ]

queries-src/injections.scm

@@ -1,11 +1,16 @@
 ((comment) @injection.content
   (#set! injection.language "comment"))
 
+(comment) @comment
+
 (recipe_body
   (shebang (language) @injection.language)
   (#set! injection.include-children)) @injection.content
 
-(comment) @comment
+; Highlight the RHS of `=~` as regex
+((regex_literal (_) @injection.content)
+  (#set! injection.language "regex"))
+
 ; Defaults if language is not set elsewhere
 
 ; (recipe_line

queries/just/injections.scm

@@ -3,11 +3,16 @@
 ((comment) @injection.content
   (#set! injection.language "comment"))
 
+(comment) @comment
+
 (recipe_body
   (shebang (language) @injection.language)
   (#set! injection.include-children)) @injection.content
 
-(comment) @comment
+; Highlight the RHS of `=~` as regex
+((regex_literal (_) @injection.content)
+  (#set! injection.language "regex"))
+
 ; Defaults if language is not set elsewhere
 
 ; (recipe_line