fix(worker): support v12 node typings

CHANGELOG.md

@@ -4,6 +4,8 @@
 
 ### Fixes
 
+- `[jest-worker]` Make sure to work with Node TS typings v12 ([#10336](https://github.com/facebook/jest/pull/10336))
+
 ### Chore & Maintenance
 
 ### Performance

package.json

@@ -17,7 +17,7 @@
     "@types/babel__template": "^7.0.0",
     "@types/dedent": "0.7.0",
     "@types/jest": "24.0.2",
-    "@types/node": "*",
+    "@types/node": "~10.14.0",
     "@types/which": "^1.3.2",
     "@typescript-eslint/eslint-plugin": "^2.30.0",
     "@typescript-eslint/parser": "^2.30.0",

packages/jest-core/src/collectHandles.ts

@@ -63,6 +63,7 @@ export default function collectHandles(): () => Array<Error> {
         if (type === 'Timeout' || type === 'Immediate') {
           if ('hasRef' in resource) {
             // Timer that supports hasRef (Node v11+)
+            // @ts-expect-error: doesn't exist in v10 typings
             isActive = resource.hasRef.bind(resource);
           } else {
             // Timer that doesn't support hasRef

packages/jest-runtime/package.json

@@ -42,6 +42,7 @@
     "@types/exit": "^0.1.30",
     "@types/glob": "^7.1.1",
     "@types/graceful-fs": "^4.1.2",
+    "@types/node": "^14.0.27",
     "execa": "^4.0.0",
     "jest-environment-node": "^26.2.0",
     "jest-snapshot-serializer-raw": "^1.1.0"

packages/jest-worker/src/types.ts

@@ -7,7 +7,14 @@
 
 import type {EventEmitter} from 'events';
 import type {ForkOptions} from 'child_process';
-import type {ResourceLimits} from 'worker_threads';
+
+// import type {ResourceLimits} from 'worker_threads';
+// This is not present in the Node 12 typings
+export interface ResourceLimits {
+  maxYoungGenerationSizeMb?: number;
+  maxOldGenerationSizeMb?: number;
+  codeRangeSizeMb?: number;
+}
 
 // Because of the dynamic nature of a worker communication process, all messages
 // coming from any of the other processes cannot be typed. Thus, many types
@@ -66,7 +73,7 @@ export interface PromiseWithCustomMessage<T> extends Promise<T> {
 
 // Option objects.
 
-export type {ForkOptions, ResourceLimits};
+export type {ForkOptions};
 
 export type FarmOptions = {
   computeWorkerKey?: (method: string, ...args: Array<unknown>) => string | null;

packages/jest-worker/src/workers/NodeThreadsWorker.ts

@@ -62,6 +62,7 @@ export default class ExperimentalWorker implements WorkerInterface {
   initialize(): void {
     this._worker = new Worker(path.resolve(__dirname, './threadChild.js'), {
       eval: false,
+      // @ts-expect-error: added in newer versions
       resourceLimits: this._options.resourceLimits,
       stderr: true,
       stdout: true,

yarn.lock

@@ -3476,10 +3476,17 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/node@npm:*, @types/node@npm:>= 8":
-  version: 13.13.4
-  resolution: "@types/node@npm:13.13.4"
-  checksum: dc52acb5f3d9c8577abdaf682bb85d3731a090b503e1b5abde62ba426f5d556fa655a1255ebb91cfdd36060205631eb7e7d7daf185e6ebab1ff9f6f4a0605170
+"@types/node@npm:*, @types/node@npm:>= 8, @types/node@npm:~10.14.0":
+  version: 10.14.22
+  resolution: "@types/node@npm:10.14.22"
+  checksum: 392965766fc7f221169d62e4dafbfc875ba172ce610ac48fec26eaf572386913bd2c5d2e036bb747bb49923f1ade9eed2b2d09a391cbf5fbaaa864a74a4dad60
+  languageName: node
+  linkType: hard
+
+"@types/node@npm:^14.0.27":
+  version: 14.0.27
+  resolution: "@types/node@npm:14.0.27"
+  checksum: 54ecf408eb94f44685e12ef395d8d9d5789cb9e209f171153b6b951272af6b8da099778d09d66454aa5d35ce246f3922ebd7476ed768bf3bd4267306c12a6703
   languageName: node
   linkType: hard
 
@@ -11496,6 +11503,7 @@ fsevents@^1.2.7:
     "@types/exit": ^0.1.30
     "@types/glob": ^7.1.1
     "@types/graceful-fs": ^4.1.2
+    "@types/node": ^14.0.27
     "@types/yargs": ^15.0.0
     chalk: ^4.0.0
     collect-v8-coverage: ^1.0.0
@@ -16454,7 +16462,7 @@ fsevents@^1.2.7:
     "@types/babel__template": ^7.0.0
     "@types/dedent": 0.7.0
     "@types/jest": 24.0.2
-    "@types/node": "*"
+    "@types/node": ~10.14.0
     "@types/which": ^1.3.2
     "@typescript-eslint/eslint-plugin": ^2.30.0
     "@typescript-eslint/parser": ^2.30.0