http: simplify if statement

BridgeAR · BridgeAR · commit eff06a3b4365 · 2017-06-26T23:02:17.000+02:00
diff --git a/lib/_http_server.js b/lib/_http_server.js
@@ -213,10 +213,8 @@ function writeHead(statusCode, reason, obj) {
         if (k) this.setHeader(k, obj[k]);
       }
     }
-    if (k === undefined) {
-      if (this._header) {
-        throw new errors.Error('ERR_HTTP_HEADERS_SENT');
-      }
+    if (k === undefined && this._header) {
+      throw new errors.Error('ERR_HTTP_HEADERS_SENT');
     }
     // only progressive api is used
     headers = this[outHeadersKey];

Original file line number	Diff line number	Diff line change
`@@ -213,10 +213,8 @@ function writeHead(statusCode, reason, obj) {`
`213`	`213`	`if (k) this.setHeader(k, obj[k]);`
`214`	`214`	`}`
`215`	`215`	`}`
`216`		`- if (k === undefined) {`
`217`		`- if (this._header) {`
`218`		`- throw new errors.Error('ERR_HTTP_HEADERS_SENT');`
`219`		`- }`
	`216`	`+ if (k === undefined && this._header) {`
	`217`	`+ throw new errors.Error('ERR_HTTP_HEADERS_SENT');`
`220`	`218`	`}`
`221`	`219`	`// only progressive api is used`
`222`	`220`	`headers = this[outHeadersKey];`