From c83b6776daa20d3d864be2e037d613ef37960caf Mon Sep 17 00:00:00 2001
From: Raymond Hill <rhill@raymondhill.net>
Date: Wed, 20 Feb 2019 07:18:37 -0500
Subject: [PATCH] Remove support for implicit scriptlet injection

Related issue:
- https://github.com/gorhill/uBlock/issues/3550
---
 src/js/scriptlet-filtering.js | 19 ++-----------------
 1 file changed, 2 insertions(+), 17 deletions(-)

diff --git a/src/js/scriptlet-filtering.js b/src/js/scriptlet-filtering.js
index 57441bf8e..038079e1e 100644
--- a/src/js/scriptlet-filtering.js
+++ b/src/js/scriptlet-filtering.js
@@ -323,22 +323,7 @@
         const domain = request.domain;
         const entity = request.entity;
 
-        // https://github.com/gorhill/uBlock/issues/1954
-        // Implicit
-        let hn = hostname;
-        for (;;) {
-            lookupScriptlet(hn + '.js', reng, scriptletsRegister);
-            if ( hn === domain ) { break; }
-            const pos = hn.indexOf('.');
-            if ( pos === -1 ) { break; }
-            hn = hn.slice(pos + 1);
-        }
-        if ( entity !== '' ) {
-            lookupScriptlet(entity + '.js', reng, scriptletsRegister);
-        }
-
-        // Explicit
-        let entries = [];
+        const entries = [];
         const domainHash = µb.staticExtFilteringEngine.makeHash(domain);
         if ( domainHash !== 0 ) {
             scriptletDB.retrieve(domainHash, hostname, entries);
@@ -355,7 +340,7 @@
         if ( scriptletsRegister.size === 0 ) { return; }
 
         // Collect exception filters.
-        entries = [];
+        entries.length = 0;
         if ( domainHash !== 0 ) {
             scriptletDB.retrieve(domainHash | 0b0001, hostname, entries);
         }