ref: Remove Number.isNaN method usage

Author: kamilogorek

packages/browser/src/tracekit.ts

@@ -918,10 +918,6 @@ TraceKit._computeStackTrace = (function _computeStackTraceWrapper() {
   }
 
   function popFrames(stacktrace: any, popSize: number): any {
-    if (Number.isNaN(popSize)) {
-      return stacktrace;
-    }
-
     try {
       return {
         ...stacktrace,

packages/browser/test/integration/polyfills/nan.js

@@ -76,7 +76,6 @@ function build() {
     "polyfills/raf.js",
     "polyfills/events.js",
     "polyfills/assign.js",
-    "polyfills/nan.js",
   ]);
 
   writeFile(

packages/browser/test/integration/run.js

@@ -94,7 +94,7 @@ export class Dsn implements DsnComponents {
       throw new SentryError(ERROR_MESSAGE);
     }
 
-    if (this.port && Number.isNaN(parseInt(this.port, 10))) {
+    if (this.port && isNaN(parseInt(this.port, 10))) {
       throw new SentryError(ERROR_MESSAGE);
     }
   }

packages/core/src/dsn.ts

@@ -181,7 +181,8 @@ function normalizeValue<T>(value: T, key?: any): T | string {
     return '[SyntheticEvent]';
   }
 
-  if (Number.isNaN((value as unknown) as number)) {
+  // tslint:disable-next-line:no-tautology-expression
+  if (typeof value === 'number' && value !== value) {
     return '[NaN]';
   }