From 2d1de749f46d3f961420d754d050d05339f3dc8f Mon Sep 17 00:00:00 2001
From: Anmol Sethi <hi@nhooyr.io>
Date: Fri, 9 Oct 2020 12:34:52 -0400
Subject: [PATCH] Unlink socket before using (#2181)

See https://stackoverflow.com/a/34881585/4283659

Closes #1538
---
 .eslintrc.yaml   | 1 +
 src/node/http.ts | 9 ++++++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/.eslintrc.yaml b/.eslintrc.yaml
index 306dd2c2..92657d62 100644
--- a/.eslintrc.yaml
+++ b/.eslintrc.yaml
@@ -30,6 +30,7 @@ rules:
   eqeqeq: error
   import/order:
     [error, { alphabetize: { order: "asc" }, groups: [["builtin", "external", "internal"], "parent", "sibling"] }]
+  no-async-promise-executor: off
 
 settings:
   # Does not work with CommonJS unfortunately.
diff --git a/src/node/http.ts b/src/node/http.ts
index 297dda0c..c616c883 100644
--- a/src/node/http.ts
+++ b/src/node/http.ts
@@ -578,11 +578,18 @@ export class HttpServer {
    */
   public listen(): Promise<string | null> {
     if (!this.listenPromise) {
-      this.listenPromise = new Promise((resolve, reject) => {
+      this.listenPromise = new Promise(async (resolve, reject) => {
         this.server.on("error", reject)
         this.server.on("upgrade", this.onUpgrade)
         const onListen = (): void => resolve(this.address())
         if (this.options.socket) {
+          try {
+            await fs.unlink(this.options.socket)
+          } catch (err) {
+            if (err.code !== "ENOENT") {
+              logger.warn(err.message)
+            }
+          }
           this.server.listen(this.options.socket, onListen)
         } else if (this.options.host) {
           // [] is the correct format when using :: but Node errors with them.
-- 
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