Add support to expr strings with double quotes

Author: kyleect

spec/string_with_double_quotes.expr

@@ -0,0 +1 @@
+`Hello "World"`

spec/string_with_double_quotes.expr.ts

@@ -0,0 +1,24 @@
+// This file was generated by reqlang-expr-tspl
+import * as ReqlangExpr from "@reqlang-expr-tspl/runtime";
+
+const expression: ReqlangExpr.Expression = (ctx) => {
+  return "Hello \"World\"";
+};
+
+const args = ReqlangExpr.getArgs();
+
+const env = new ReqlangExpr.Env(
+  args.vars,
+  args.prompts,
+  args.secrets,
+  args.client
+);
+
+const context = {
+  env,
+  builtins: ReqlangExpr.builtinFns,
+};
+
+const value = expression(context);
+
+console.log(JSON.stringify(value));

spec/string_with_double_quotes.expr.ts.interpreted

@@ -0,0 +1 @@
+"Hello \"World\""

src/lib.rs

@@ -117,7 +117,7 @@ fn transpile_expr(expr: &Expr) -> String {
             }
         }
         Expr::String(expr_string) => {
-            format!("\"{}\"", expr_string.0)
+            format!("\"{}\"", expr_string.0.replace("\"", r#"\""#))
         }
         Expr::Error => todo!(),
     }