test: Switch from leaked-handles to wtfnode

See my comments at
#2563 (comment)

Author: nhooyr

package.json

@@ -48,22 +48,23 @@
     "@types/tar-fs": "^2.0.0",
     "@types/tar-stream": "^2.1.0",
     "@types/ws": "^7.2.6",
+    "@types/wtfnode": "^0.7.0",
     "@typescript-eslint/eslint-plugin": "^4.7.0",
     "@typescript-eslint/parser": "^4.7.0",
     "doctoc": "^1.4.0",
     "eslint": "^7.7.0",
     "eslint-config-prettier": "^6.0.0",
     "eslint-plugin-import": "^2.18.2",
     "eslint-plugin-prettier": "^3.1.0",
-    "leaked-handles": "^5.2.0",
     "mocha": "^8.1.2",
     "parcel-bundler": "^1.12.4",
     "prettier": "^2.0.5",
     "stylelint": "^13.0.0",
     "stylelint-config-recommended": "^3.0.0",
     "supertest": "^6.0.1",
     "ts-node": "^9.0.0",
-    "typescript": "4.0.2"
+    "typescript": "4.0.2",
+    "wtfnode": "^0.8.4"
   },
   "resolutions": {
     "@types/node": "^12.12.7",

test/socket.test.ts

@@ -1,15 +1,17 @@
 import { field, logger } from "@coder/logger"
 import * as assert from "assert"
 import * as fs from "fs-extra"
-import "leaked-handles"
 import * as net from "net"
 import * as path from "path"
 import * as tls from "tls"
 import { Emitter } from "../src/common/emitter"
 import { SocketProxyProvider } from "../src/node/socket"
 import { generateCertificate, tmpdir } from "../src/node/util"
+import * as wtfnode from "./wtfnode"
 
 describe("SocketProxyProvider", () => {
+  wtfnode.setup()
+
   const provider = new SocketProxyProvider()
 
   const onServerError = new Emitter<{ event: string; error: Error }>()

test/wtfnode.ts

@@ -0,0 +1,19 @@
+import * as wtfnode from "wtfnode"
+
+let active = false
+
+export function setup(): void {
+  if (active) {
+    return
+  }
+  active = true
+
+  const interval = 5000
+  const wtfnodeDump = () => {
+    wtfnode.dump()
+    const t = setTimeout(wtfnodeDump, interval)
+    t.unref()
+  }
+  const t = setTimeout(wtfnodeDump, interval)
+  t.unref()
+}

yarn.lock

@@ -1226,6 +1226,11 @@
   dependencies:
     "@types/node" "*"
 
+"@types/wtfnode@^0.7.0":
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/@types/wtfnode/-/wtfnode-0.7.0.tgz#e5d9c675bccc2f786830ffa40ffe8865f92057d9"
+  integrity sha512-kdBHgE9+M1Os7UqWZtiLhKye5reFl8cPBYyCsP2fatwZRz7F7GdIxIHZ20Kkc0hYBfbXE+lzPOTUU1I0qgjtHA==
+
 "@typescript-eslint/eslint-plugin@^4.7.0":
   version "4.7.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/eslint-plugin/-/eslint-plugin-4.7.0.tgz#85c9bbda00c0cb604d3c241f7bc7fb171a2d3479"
@@ -4727,15 +4732,6 @@ known-css-properties@^0.19.0:
   resolved "https://registry.yarnpkg.com/known-css-properties/-/known-css-properties-0.19.0.tgz#5d92b7fa16c72d971bda9b7fe295bdf61836ee5b"
   integrity sha512-eYboRV94Vco725nKMlpkn3nV2+96p9c3gKXRsYqAJSswSENvBhN7n5L+uDhY58xQa0UukWsDMTGELzmD8Q+wTA==
 
-leaked-handles@^5.2.0:
-  version "5.2.0"
-  resolved "https://registry.yarnpkg.com/leaked-handles/-/leaked-handles-5.2.0.tgz#67228e90293b7e0ee36c4190e1f541cddece627f"
-  integrity sha1-ZyKOkCk7fg7jbEGQ4fVBzd7OYn8=
-  dependencies:
-    process "^0.10.0"
-    weakmap-shim "^1.1.0"
-    xtend "^4.0.0"
-
 levn@^0.4.1:
   version "0.4.1"
   resolved "https://registry.yarnpkg.com/levn/-/levn-0.4.1.tgz#ae4562c007473b932a6200d403268dd2fffc6ade"
@@ -6292,11 +6288,6 @@ process-nextick-args@~2.0.0:
   resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.1.tgz#7820d9b16120cc55ca9ae7792680ae7dba6d7fe2"
   integrity sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag==
 
-process@^0.10.0:
-  version "0.10.1"
-  resolved "https://registry.yarnpkg.com/process/-/process-0.10.1.tgz#842457cc51cfed72dc775afeeafb8c6034372725"
-  integrity sha1-hCRXzFHP7XLcd1r+6vuMYDQ3JyU=
-
 process@^0.11.10:
   version "0.11.10"
   resolved "https://registry.yarnpkg.com/process/-/process-0.11.10.tgz#7332300e840161bda3e69a1d1d91a7d4bc16f182"
@@ -8301,11 +8292,6 @@ wcwidth@^1.0.1:
   dependencies:
     defaults "^1.0.3"
 
-weakmap-shim@^1.1.0:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/weakmap-shim/-/weakmap-shim-1.1.1.tgz#d65afd784109b2166e00ff571c33150ec2a40b49"
-  integrity sha1-1lr9eEEJshZuAP9XHDMVDsKkC0k=
-
 webidl-conversions@^4.0.2:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-4.0.2.tgz#a855980b1f0b6b359ba1d5d9fb39ae941faa63ad"
@@ -8418,6 +8404,11 @@ ws@^7.2.0:
   resolved "https://registry.yarnpkg.com/ws/-/ws-7.3.1.tgz#d0547bf67f7ce4f12a72dfe31262c68d7dc551c8"
   integrity sha512-D3RuNkynyHmEJIpD2qrgVkc9DQ23OrN/moAwZX4L8DfvszsJxpjQuUq3LMx6HoYji9fbIOBY18XWBsAux1ZZUA==
 
+wtfnode@^0.8.4:
+  version "0.8.4"
+  resolved "https://registry.yarnpkg.com/wtfnode/-/wtfnode-0.8.4.tgz#91ecf78a40ce222a73a063f26d72bea52357efcc"
+  integrity sha512-64GEKtMt/MUBuAm+8kHqP74ojjafzu00aT0JKsmkIwYmjRQ/odO0yhbzKLm+Z9v1gMla+8dwITRKzTAlHsB+Og==
+
 x-is-string@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/x-is-string/-/x-is-string-0.1.0.tgz#474b50865af3a49a9c4657f05acd145458f77d82"