Fix for too many technologies detected

3 years ago · 31d8574f29
parent 24045b3821
commit 31d8574f29
2 changed files with 10 additions and 5 deletions
--- a/src/drivers/npm/driver.js
+++ b/src/drivers/npm/driver.js
@ -67,11 +67,16 @@ function getJs(page, technologies = Wappalyzer.technologies) {
          const value = chain
            .split('.')
            .reduce(
-              (value, method) => (value ? value[method] : undefined),
+              (value, method) =>
+                value &&
+                value instanceof Object &&
+                Object.prototype.hasOwnProperty.call(value, method)
+                  ? value[method]
+                  : '__UNDEFINED__',
              window
            )

-          if (typeof value !== 'undefined') {
+          if (value !== '__UNDEFINED__') {
            technologies.push({
              name,
              chain,
--- a/src/drivers/webextension/js/inject.js
+++ b/src/drivers/webextension/js/inject.js
@ -14,7 +14,7 @@
      postMessage({
        wappalyzer: {
          js: technologies.reduce((technologies, { name, chains }) => {
-            chains.forEach((chain) => {
+            chains.forEach((chain, index) => {
              const value = chain
                .split('.')
                .reduce(
@ -23,11 +23,11 @@
                    value instanceof Object &&
                    Object.prototype.hasOwnProperty.call(value, method)
                      ? value[method]
-                      : undefined,
+                      : '__UNDEFINED__',
                  window
                )

-              if (value !== undefined) {
+              if (value !== '__UNDEFINED__') {
                technologies.push({
                  name,
                  chain,