Add resilience for cases where Array has been extended (#2287)

src/wappalyzer.js

@@ -92,7 +92,9 @@ class Wappalyzer {
 
     if ( data.js ) {
       Object.keys(data.js).forEach(appName => {
+        if (typeof data.js[appName] != 'function') {
           promises.push(this.analyzeJs(apps[appName], data.js[appName]));
+        }
       });
     }
 
@@ -296,7 +298,7 @@ class Wappalyzer {
 
     // Remove excluded applications
     Object.keys(apps).forEach(appName => {
-      if ( excludes.indexOf(appName) !== -1 ) {
+      if ( excludes.indexOf(appName) > -1 ) {
         delete apps[appName];
       }
     })
@@ -495,6 +497,7 @@ class Wappalyzer {
     const promises = [];
 
     Object.keys(patterns).forEach(headerName => {
+      if (typeof patterns[headerName] != 'function') {
         promises.push(this.asyncForEach(patterns[headerName], pattern => {
           headerName = headerName.toLowerCase();
 
@@ -506,6 +509,7 @@ class Wappalyzer {
             });
           }
         }));
+      }
     });
 
     return promises ? Promise.all(promises) : Promise.resolve();
@@ -519,6 +523,7 @@ class Wappalyzer {
     const promises = [];
 
     Object.keys(patterns).forEach(cookieName => {
+      if (typeof patterns[cookieName] != 'function') {
         cookieName = cookieName.toLowerCase();
 
         promises.push(this.asyncForEach(patterns[cookieName], pattern => {
@@ -528,6 +533,7 @@ class Wappalyzer {
             this.addDetected(app, pattern, 'cookies', cookie.value, cookieName);
           }
         }));
+      }
     });
 
     return promises ? Promise.all(promises) : Promise.resolve();
@@ -540,6 +546,7 @@ class Wappalyzer {
     const promises = [];
 
     Object.keys(results).forEach(string => {
+      if (typeof results[string] != 'function') {
         promises.push(this.asyncForEach(Object.keys(results[string]), index => {
           const pattern = this.jsPatterns[app.name][string][index];
           const value = results[string][index];
@@ -548,6 +555,7 @@ class Wappalyzer {
             this.addDetected(app, pattern, 'js', value);
           }
         }));
+      }
     });
 
     return promises ? Promise.all(promises) : Promise.resolve();