(258) fix: check process is defined (#5451)

* chore: bump version to 8.21.0 (#5445)

* build(deps-dev): bump the theoretically-non-breaking group with 4 updates (#5444)

Bumps the theoretically-non-breaking group with 4 updates: [@nx/js](https://github.com/nrwl/nx/tree/HEAD/packages/js), [lint-staged](https://github.com/lint-staged/lint-staged), [nx](https://github.com/nrwl/nx/tree/HEAD/packages/nx) and [typescript-eslint](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/typescript-eslint).


Updates `@nx/js` from 21.3.10 to 21.3.11
- [Release notes](https://github.com/nrwl/nx/releases)
- [Commits](https://github.com/nrwl/nx/commits/21.3.11/packages/js)

Updates `lint-staged` from 16.1.2 to 16.1.4
- [Release notes](https://github.com/lint-staged/lint-staged/releases)
- [Changelog](https://github.com/lint-staged/lint-staged/blob/main/CHANGELOG.md)
- [Commits](lint-staged/lint-staged@v16.1.2...v16.1.4)

Updates `nx` from 21.3.10 to 21.3.11
- [Release notes](https://github.com/nrwl/nx/releases)
- [Commits](https://github.com/nrwl/nx/commits/21.3.11/packages/nx)

Updates `typescript-eslint` from 8.38.0 to 8.39.0
- [Release notes](https://github.com/typescript-eslint/typescript-eslint/releases)
- [Changelog](https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/typescript-eslint/CHANGELOG.md)
- [Commits](https://github.com/typescript-eslint/typescript-eslint/commits/v8.39.0/packages/typescript-eslint)

---
updated-dependencies:
- dependency-name: "@nx/js"
  dependency-version: 21.3.11
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: theoretically-non-breaking
- dependency-name: lint-staged
  dependency-version: 16.1.4
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: theoretically-non-breaking
- dependency-name: nx
  dependency-version: 21.3.11
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: theoretically-non-breaking
- dependency-name: typescript-eslint
  dependency-version: 8.39.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: theoretically-non-breaking
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: James Tu <jmsjtu@gmail.com>

* chore: update nucleus config CLCO `master` (#5447)

* chore: update nucleus config

* chore: add a comment about nucleus configs

* chore: bump version to 8.20.4

* fix: undefined in ssr-client-utils

* fix: add branches to web-test-runner.yml

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: James Tu <jmsjtu@gmail.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: 3 people

.github/workflows/web-test-runner.yml

@@ -4,9 +4,15 @@ on:
     push:
         branches:
             - master
+            - winter26
+            - spring25
+            - summer25
     pull_request:
         branches:
             - master
+            - winter26
+            - spring25
+            - summer25
 
 env:
     SAUCE_USERNAME: ${{secrets.SAUCE_USERNAME}}

.nucleus.yaml

@@ -32,7 +32,8 @@ branches:
         pull-request:
             <<: *branch-definition
             merge-method: force-push # release branch should always be in sync with master branch (linear history)
-    winter25:
+    # Only active branches need to be included in this config
+    winter26:
         pull-request:
             <<: *branch-definition
     spring25:

package.json

@@ -1,6 +1,6 @@
 {
     "name": "lwc-monorepo",
-    "version": "8.20.3",
+    "version": "8.20.4",
     "private": true,
     "description": "Lightning Web Components",
     "repository": {
@@ -41,7 +41,7 @@
         "@eslint/js": "9.32.0",
         "@lwc/eslint-plugin-lwc-internal": "link:./scripts/eslint-plugin",
         "@lwc/test-utils-lwc-internals": "link:./scripts/test-utils",
-        "@nx/js": "21.3.10",
+        "@nx/js": "21.3.11",
         "@rollup/plugin-commonjs": "^28.0.6",
         "@rollup/plugin-inject": "^5.0.5",
         "@rollup/plugin-node-resolve": "^16.0.1",
@@ -66,15 +66,15 @@
         "husky": "^9.1.7",
         "isbinaryfile": "^5.0.4",
         "jsdom": "^26.1.0",
-        "lint-staged": "^16.1.2",
+        "lint-staged": "^16.1.4",
         "magic-string": "^0.30.17",
-        "nx": "21.3.10",
+        "nx": "21.3.11",
         "prettier": "^3.6.2",
         "rollup": "^4.46.2",
         "terser": "^5.43.1",
         "tslib": "^2.8.1",
         "typescript": "5.8.2",
-        "typescript-eslint": "8.38.0",
+        "typescript-eslint": "8.39.0",
         "vitest": "^3.2.4"
     },
     "lint-staged": {

packages/@lwc/aria-reflection/package.json

@@ -4,7 +4,7 @@
         "You can safely modify dependencies, devDependencies, keywords, etc., but other props will be overwritten."
     ],
     "name": "@lwc/aria-reflection",
-    "version": "8.20.3",
+    "version": "8.20.4",
     "description": "ARIA element reflection polyfill for strings",
     "keywords": [
         "aom",

packages/@lwc/babel-plugin-component/package.json

@@ -4,7 +4,7 @@
         "You can safely modify dependencies, devDependencies, keywords, etc., but other props will be overwritten."
     ],
     "name": "@lwc/babel-plugin-component",
-    "version": "8.20.3",
+    "version": "8.20.4",
     "description": "Babel plugin to transform a LWC module",
     "keywords": [
         "lwc"
@@ -47,8 +47,8 @@
     },
     "dependencies": {
         "@babel/helper-module-imports": "7.27.1",
-        "@lwc/errors": "8.20.3",
-        "@lwc/shared": "8.20.3",
+        "@lwc/errors": "8.20.4",
+        "@lwc/shared": "8.20.4",
         "line-column": "~1.0.2"
     },
     "devDependencies": {

packages/@lwc/compiler/package.json

@@ -4,7 +4,7 @@
         "You can safely modify dependencies, devDependencies, keywords, etc., but other props will be overwritten."
     ],
     "name": "@lwc/compiler",
-    "version": "8.20.3",
+    "version": "8.20.4",
     "description": "LWC compiler",
     "keywords": [
         "lwc"
@@ -52,11 +52,11 @@
         "@babel/plugin-transform-class-properties": "7.27.1",
         "@babel/plugin-transform-object-rest-spread": "7.28.0",
         "@locker/babel-plugin-transform-unforgeables": "0.22.0",
-        "@lwc/babel-plugin-component": "8.20.3",
-        "@lwc/errors": "8.20.3",
-        "@lwc/shared": "8.20.3",
-        "@lwc/ssr-compiler": "8.20.3",
-        "@lwc/style-compiler": "8.20.3",
-        "@lwc/template-compiler": "8.20.3"
+        "@lwc/babel-plugin-component": "8.20.4",
+        "@lwc/errors": "8.20.4",
+        "@lwc/shared": "8.20.4",
+        "@lwc/ssr-compiler": "8.20.4",
+        "@lwc/style-compiler": "8.20.4",
+        "@lwc/template-compiler": "8.20.4"
     }
 }

packages/@lwc/engine-core/package.json

@@ -4,7 +4,7 @@
         "You can safely modify dependencies, devDependencies, keywords, etc., but other props will be overwritten."
     ],
     "name": "@lwc/engine-core",
-    "version": "8.20.3",
+    "version": "8.20.4",
     "description": "Core LWC engine APIs.",
     "keywords": [
         "lwc"
@@ -46,9 +46,9 @@
         }
     },
     "dependencies": {
-        "@lwc/features": "8.20.3",
-        "@lwc/shared": "8.20.3",
-        "@lwc/signals": "8.20.3"
+        "@lwc/features": "8.20.4",
+        "@lwc/shared": "8.20.4",
+        "@lwc/signals": "8.20.4"
     },
     "devDependencies": {
         "observable-membrane": "2.0.0"

packages/@lwc/engine-dom/package.json

@@ -4,7 +4,7 @@
         "You can safely modify dependencies, devDependencies, keywords, etc., but other props will be overwritten."
     ],
     "name": "@lwc/engine-dom",
-    "version": "8.20.3",
+    "version": "8.20.4",
     "description": "Renders LWC components in a DOM environment.",
     "keywords": [
         "lwc"
@@ -46,10 +46,10 @@
         }
     },
     "devDependencies": {
-        "@lwc/engine-core": "8.20.3",
-        "@lwc/shared": "8.20.3",
-        "@lwc/features": "8.20.3",
-        "@lwc/signals": "8.20.3"
+        "@lwc/engine-core": "8.20.4",
+        "@lwc/shared": "8.20.4",
+        "@lwc/features": "8.20.4",
+        "@lwc/signals": "8.20.4"
     },
     "lwc": {
         "modules": [

packages/@lwc/engine-server/package.json

@@ -4,7 +4,7 @@
         "You can safely modify dependencies, devDependencies, keywords, etc., but other props will be overwritten."
     ],
     "name": "@lwc/engine-server",
-    "version": "8.20.3",
+    "version": "8.20.4",
     "description": "Renders LWC components in a server environment.",
     "keywords": [
         "lwc"
@@ -46,11 +46,11 @@
         }
     },
     "devDependencies": {
-        "@lwc/engine-core": "8.20.3",
-        "@lwc/rollup-plugin": "8.20.3",
-        "@lwc/shared": "8.20.3",
-        "@lwc/features": "8.20.3",
-        "@lwc/signals": "8.20.3",
+        "@lwc/engine-core": "8.20.4",
+        "@lwc/rollup-plugin": "8.20.4",
+        "@lwc/shared": "8.20.4",
+        "@lwc/features": "8.20.4",
+        "@lwc/signals": "8.20.4",
         "@rollup/plugin-virtual": "^3.0.2",
         "parse5": "^8.0.0"
     }

packages/@lwc/errors/package.json

@@ -4,7 +4,7 @@
         "You can safely modify dependencies, devDependencies, keywords, etc., but other props will be overwritten."
     ],
     "name": "@lwc/errors",
-    "version": "8.20.3",
+    "version": "8.20.4",
     "description": "LWC Error Utilities",
     "keywords": [
         "lwc"