Build: fix inconsistent builds in Node 20

- one fileOverrides per build
- only run the lint build when running lint

Close gh-5332

2 files changed, 15 insertions, 19 deletions

diff --git a/.github/workflows/node.js.yml b/.github/workflows/node.js.yml
index 65a1d2167..5be13bcdd 100644
--- a/.github/workflows/node.js.yml
+++ b/.github/workflows/node.js.yml
@@ -70,12 +70,8 @@ jobs:
       run: npx playwright-webkit install-deps
       if: matrix.NPM_SCRIPT == 'test:browser' && contains(matrix.BROWSERS, 'WebkitHeadless')
 
-    - name: Build jQuery for Lint
-      run: npm run build:all
-      if: matrix.NPM_SCRIPT == 'test:browserless'
-
     - name: Lint code
-      run: npm run lint
+      run: npm run build:all && npm run lint
       if: matrix.NODE_VERSION == '18.x'
 
     - name: Prepare tests
diff --git a/build/tasks/build.js b/build/tasks/build.js
index 69a4de7c7..f9cc8e2a2 100644
--- a/build/tasks/build.js
+++ b/build/tasks/build.js
@@ -102,15 +102,6 @@ async function getOutputRollupOptions( {
 	};
 }
 
-const fileOverrides = new Map();
-
-function setOverride( filePath, source ) {
-
-	// We want normalized paths in overrides as they will be matched
-	// against normalized paths in the file overrides Rollup plugin.
-	fileOverrides.set( path.resolve( filePath ), source );
-}
-
 function unique( array ) {
 	return [ ...new Set( array ) ];
 }
@@ -179,6 +170,15 @@ async function build( {
 } = {} ) {
 	const pureSlim = slim && !exclude.length && !include.length;
 
+	const fileOverrides = new Map();
+
+	function setOverride( filePath, source ) {
+
+		// We want normalized paths in overrides as they will be matched
+		// against normalized paths in the file overrides Rollup plugin.
+		fileOverrides.set( path.resolve( filePath ), source );
+	}
+
 	// Add the short commit hash to the version string
 	// when the version is not for a release.
 	if ( !version ) {
@@ -280,11 +280,6 @@ async function build( {
 		);
 	}
 
-	const bundle = await rollup.rollup( {
-		...inputOptions,
-		plugins: [ rollupFileOverrides( fileOverrides ) ]
-	} );
-
 	const outputOptions = await getOutputRollupOptions( { esm, factory } );
 
 	if ( watch ) {
@@ -326,6 +321,11 @@ async function build( {
 
 		return watcher;
 	} else {
+		const bundle = await rollup.rollup( {
+			...inputOptions,
+			plugins: [ rollupFileOverrides( fileOverrides ) ]
+		} );
+
 		const {
 			output: [ { code } ]
 		} = await bundle.generate( outputOptions );