Merge branch...

Merge branch '300379-qa-frontend-node-10-job-failed-in-incremental_webpack_compiler-js-11' into 'master'

Resolve "`qa-frontend-node:10` job failed in incremental_webpack_compiler.js:11"

See merge request gitlab-org/gitlab!52856

.gitlab/ci/rules.gitlab-ci.yml

@@ -126,6 +126,8 @@
 
 .frontend-dependency-patterns: &frontend-dependency-patterns
   - "{package.json,yarn.lock}"
+  - "config/webpack.config.js"
+  - "config/helpers/*.js"
 
 .frontend-patterns: &frontend-patterns
   - "{package.json,yarn.lock}"

config/helpers/incremental_webpack_compiler.js

@@ -8,7 +8,9 @@ const log = (msg, ...rest) => console.log(`IncrementalWebpackCompiler: ${msg}`,
 const TIMEOUT = 5000;
 
 class NoopCompiler {
-  enabled = false;
+  constructor() {
+    this.enabled = false;
+  }
 
   filterEntryPoints(entryPoints) {
     return entryPoints;
@@ -20,8 +22,6 @@ class NoopCompiler {
 }
 
 class IncrementalWebpackCompiler extends NoopCompiler {
-  enabled = true;
-
   constructor(historyFilePath) {
     super();
     this.history = {};
@@ -33,6 +33,7 @@ class IncrementalWebpackCompiler extends NoopCompiler {
     ]);
     this.historyFilePath = historyFilePath;
     this.loadFromHistory();
+    this.enabled = true;
   }
 
   filterEntryPoints(entrypoints) {