From b5e5e1e276ad3d5a6d2e57bb1a1a2549351c6bfd Mon Sep 17 00:00:00 2001
From: Akira Komamura <akira.komamura@gmail.com>
Date: Thu, 13 May 2021 23:09:00 +0900
Subject: [PATCH] Add --keep-classes option

---
 index.js | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/index.js b/index.js
index 6086bd7..3d73b1b 100755
--- a/index.js
+++ b/index.js
@@ -93,6 +93,7 @@ const LowConfidenceMode = {
 	exit: "exit"
 };
 
+const options = {};
 
 //backwards compat with old, comma-separated values
 function yargsCompatProperties(args) { 
@@ -212,6 +213,12 @@ let args = yargs
 		desc: __`What to do if Readability.js is uncertain about what the core content actually is`,
 		//default: "no-op", //don't set default because completion won't work
 	})
+        .option("keep-classes", {
+                alias: 'C',
+                type: "boolean",
+                desc: __`Preserve all classes on HTML elements`,
+                default: false,
+        })
 	.option("output", {
 		alias: 'o',
 		type: "string",
@@ -301,6 +308,9 @@ if (args["url"]) {
 	args["base"] = args["url"];
 }
 
+if (args["keep-classes"]) {
+        options["keepClasses"] = true;
+}
 
 
 function printUsage() {
@@ -466,7 +476,7 @@ function onLoadDOM(dom) {
 	if (!args["quiet"])
 		console.error(__`Processing...`);
 
-	const reader = new Readability(window.document);
+        const reader = new Readability(window.document, options);
 	const article = reader.parse();
 	if (!article) {
 		if (args["low-confidence"] == LowConfidenceMode.keep) {