fix: simplify defaultReportProvider

Author: clarkdo

lib/module.js

@@ -44,16 +44,12 @@ function guessModule (moduleOptions) {
 
 function defaultReportProvider ({ rootDir, srcDir }) {
   const { readFileSync, existsSync } = require('fs')
-  let reportProvider
-  [srcDir, rootDir].some((dir) => {
+  for (const dir of [srcDir, rootDir]) {
     const routesPath = resolve(dir, 'routes.json')
     if (existsSync(routesPath)) {
-      reportProvider = () => Promise.resolve(JSON.parse(readFileSync(routesPath)))
-      return true
+      return () => Promise.resolve(JSON.parse(readFileSync(routesPath)))
     }
-    return false
-  })
-  return reportProvider
+  }
 }
 
 module.exports = guessModule