chore: use optional chaining (nodejs#2666)

Author: Uzlopak

lib/agent.js

@@ -42,7 +42,7 @@ class Agent extends DispatcherBase {
       connect = { ...connect }
     }
 
-    this[kInterceptors] = options.interceptors && options.interceptors.Agent && Array.isArray(options.interceptors.Agent)
+    this[kInterceptors] = options.interceptors?.Agent && Array.isArray(options.interceptors.Agent)
       ? options.interceptors.Agent
       : [createRedirectInterceptor({ maxRedirections })]
 

lib/api/api-connect.js

@@ -96,7 +96,7 @@ function connect (opts, callback) {
     if (typeof callback !== 'function') {
       throw err
     }
-    const opaque = opts && opts.opaque
+    const opaque = opts?.opaque
     queueMicrotask(() => callback(err, { opaque }))
   }
 }

lib/api/api-pipeline.js

@@ -100,7 +100,7 @@ class PipelineHandler extends AsyncResource {
       read: () => {
         const { body } = this
 
-        if (body && body.resume) {
+        if (body?.resume) {
           body.resume()
         }
       },

lib/api/api-request.js

@@ -171,7 +171,7 @@ function request (opts, callback) {
     if (typeof callback !== 'function') {
       throw err
     }
-    const opaque = opts && opts.opaque
+    const opaque = opts?.opaque
     queueMicrotask(() => callback(err, { opaque }))
   }
 }

lib/api/api-stream.js

@@ -148,7 +148,7 @@ class StreamHandler extends AsyncResource {
 
     const needDrain = res.writableNeedDrain !== undefined
       ? res.writableNeedDrain
-      : res._writableState && res._writableState.needDrain
+      : res._writableState?.needDrain
 
     return needDrain !== true
   }
@@ -212,7 +212,7 @@ function stream (opts, factory, callback) {
     if (typeof callback !== 'function') {
       throw err
     }
-    const opaque = opts && opts.opaque
+    const opaque = opts?.opaque
     queueMicrotask(() => callback(err, { opaque }))
   }
 }

lib/api/api-upgrade.js

@@ -97,7 +97,7 @@ function upgrade (opts, callback) {
     if (typeof callback !== 'function') {
       throw err
     }
-    const opaque = opts && opts.opaque
+    const opaque = opts?.opaque
     queueMicrotask(() => callback(err, { opaque }))
   }
 }

lib/balanced-pool.js

@@ -53,7 +53,7 @@ class BalancedPool extends PoolBase {
       throw new InvalidArgumentError('factory must be a function.')
     }
 
-    this[kInterceptors] = opts.interceptors && opts.interceptors.BalancedPool && Array.isArray(opts.interceptors.BalancedPool)
+    this[kInterceptors] = opts.interceptors?.BalancedPool && Array.isArray(opts.interceptors.BalancedPool)
       ? opts.interceptors.BalancedPool
       : []
     this[kFactory] = factory

lib/client.js

@@ -250,7 +250,7 @@ class Client extends DispatcherBase {
       })
     }
 
-    this[kInterceptors] = interceptors && interceptors.Client && Array.isArray(interceptors.Client)
+    this[kInterceptors] = interceptors?.Client && Array.isArray(interceptors.Client)
       ? interceptors.Client
       : [createRedirectInterceptor({ maxRedirections })]
     this[kUrl] = util.parseOrigin(url)

lib/core/util.js

@@ -187,7 +187,7 @@ function isDestroyed (stream) {
 }
 
 function isReadableAborted (stream) {
-  const state = stream && stream._readableState
+  const state = stream?._readableState
   return isDestroyed(stream) && state && !state.endEmitted
 }
 

lib/fetch/response.js

@@ -238,7 +238,7 @@ class Response {
     webidl.brandCheck(this, Response)
 
     // 1. If this is unusable, then throw a TypeError.
-    if (this.bodyUsed || (this.body && this.body.locked)) {
+    if (this.bodyUsed || this.body?.locked) {
       throw webidl.errors.exception({
         header: 'Response.clone',
         message: 'Body has already been consumed.'