From 7a29ea4a504de184a026cf73b409738e74f15102 Mon Sep 17 00:00:00 2001
From: Pavlo Karatsiuba <pavel.karatsiuba@gmail.com>
Date: Wed, 30 Nov 2022 12:21:05 +0100
Subject: [PATCH] issue#127 Removing google-analitics script and meta OGP tags.
 Replacing inline JS's in HTML files was redesigned.

---
 steps/transform.ts | 38 +++++++++++++++++++++++---------------
 1 file changed, 23 insertions(+), 15 deletions(-)

diff --git a/steps/transform.ts b/steps/transform.ts
index 1f53a52..31affe1 100644
--- a/steps/transform.ts
+++ b/steps/transform.ts
@@ -63,26 +63,34 @@ const convertDocuments = async (): Promise<void> => {
 
 const extractLanguageElements = async (fileName, html): Promise<string> => {
   const $ = cheerio.load(html);
+  $('meta[property^="og:"]').remove();
   await Promise.all($('script')
-    .toArray()
-    .map(script => op.get(script, 'children.0.data', ''))
-    .filter(x => x)
-    .map(async (script, index) => {
-      const newFileName = md5(script);
-      try {
-        await fs.promises.writeFile(`${outDir}${newFileName}.js`, script.trim(), 'utf8');
-        html = html.replace(script, `</script><script src='${newFileName}.js'>`);
-      } catch (e) {
-        if (verbose) {
-          log.error(`Failed to extract script from ${fileName}`);
-          log.error(e);
-        } else {
-          log.warn(`Unable to extract script from ${fileName}. Skipping it.`);
+    .each(async (indx, elem: cheerio.Element) => {
+      const script = $(elem).html().trim();
+      const scriptId = $(elem).attr('id');
+      if((scriptId && scriptId.search('google-analytics') > -1 ) || script.search('google-analytics.com') > -1) {
+        $(elem).remove();
+        return;
+      }
+      if(script) {
+        const newFileName = `${md5(script)}.js`;
+        $(elem).attr('src', newFileName);
+        $(elem).html('');
+        try {
+          return fs.promises.writeFile(`${outDir}${newFileName}`, script, 'utf8');
+        } catch (e) {
+          if (verbose) {
+            log.error(`Failed to extract script from ${fileName}`);
+            log.error(e);
+          } else {
+            log.warn(`Unable to extract script from ${fileName}. Skipping it.`);
+          }
         }
       }
     })
+    .toArray()
   );
-  return html;
+  return $.html();
 };
 
 const removeStrings = (html): string => {