From 47b58664a7023c39fb3a3a41c87f34809574715e Mon Sep 17 00:00:00 2001
From: B3none <alexblackham@silktide.com>
Date: Wed, 25 Apr 2018 15:34:18 +0100
Subject: [PATCH] Shrunk the JS!

---
 src/Scraper/Runner/runner.js | 72 ++----------------------------------
 1 file changed, 4 insertions(+), 68 deletions(-)

diff --git a/src/Scraper/Runner/runner.js b/src/Scraper/Runner/runner.js
index 34356a1..38af6d9 100644
--- a/src/Scraper/Runner/runner.js
+++ b/src/Scraper/Runner/runner.js
@@ -12,91 +12,27 @@ function getComputedDOM(url, jsLoadTime) {
     const timeout = ms => new Promise(resolve => setTimeout(resolve, ms));
 
     return new Promise(async resolve => {
-        // console.log('Started');
-
         const chrome = await chromeLauncher.launch({
             chromeFlags: ['--disable-gpu', '--headless']
         });
 
         const protocol = await CDP({port: chrome.port});
-
-        // See API docs: https://chromedevtools.github.io/devtools-protocol/
         const {Page, Runtime, DOM} = protocol;
 
         await Promise.all([Page.enable(), Runtime.enable(), DOM.enable()]);
 
         Page.navigate({url});
 
-        // console.log('Navigated to ', url);
-
-        // wait until the page says it's loaded...
         Page.loadEventFired(async () => {
-            // console.log('page loaded - waiting for JS');
-            await timeout(jsLoadTime || 3000); // give the JS some time to load
-            // console.log('JS done - parsing');
-
-            // get the page source
+            await timeout(jsLoadTime || 3000);
             const rootNode = await DOM.getDocument({depth: -1});
 
-            const html = await getOuterHTML(DOM, rootNode.root.nodeId);
-
-            protocol.close();
-            chrome.kill();
-
             resolve(
-                // JSON.stringify({url, anchors: {inbound, outbound}, objects, iframes})
-                html
+                await getOuterHTML(DOM, rootNode.root.nodeId)
             );
-        });
-    });
-}
-
-async function selectNodeIds(DOM, selector, rootNodeId) {
-    return await new Promise((resolve, reject) => {
-        DOM.querySelectorAll({selector, nodeId: rootNodeId}, (error, params) => {
-            if (error) {
-                reject(error);
-            } else {
-                resolve(params.nodeIds);
-            }
-        });
-    });
-}
-
-async function selectAttr(DOM, nodeId, attr) {
-    const attrs = await selectAttrs(DOM, nodeId);
-    // attrs is formatted like `[name, value, name, value, ...]`
-    //   so we can just search for the index of the name and return the next index along
-    //   however, we need to be careful that the names we match only include the even indexes
-    //   (as all the key indexes are even and all the data indexes are odd)
-
-    var idx = attrs.indexOf(attr);
 
-    while (idx % 2 == 1) {
-        if (idx < 0) {
-            break;
-        }
-
-        if (idx % 2 == 1) {
-            idx = attrs.indexOf(attr, idx);
-        }
-    }
-
-    if (idx < 0) {
-        return null;
-    }
-
-    return attrs[idx + 1];
-}
-
-async function selectAttrs(DOM, nodeId) {
-    return await new Promise((resolve, reject) => {
-        DOM.getAttributes({nodeId}, (error, params) => {
-            if (error) {
-                reject(error);
-            } else {
-                resolve(params.attributes);
-            }
+            protocol.close();
+            chrome.kill();
         });
     });
 }