update

xiaoxiaojx · xiaoxiaojx · commit 03528946c819 · 2026-01-21T22:21:05.000+08:00
diff --git a/.changeset/unused-css-export.md b/.changeset/unused-css-export.md
@@ -2,4 +2,4 @@
 "webpack": patch
 ---
 
-Avoid generating JavaScript modules for CSS exports that are not used, reducing unnecessary output and bundle size.
+Avoid generating JavaScript modules for CSS exports that are not used, reducing unnecessary output and bundle size.
diff --git a/lib/css/CssGenerator.js b/lib/css/CssGenerator.js
@@ -363,6 +363,7 @@ class CssGenerator extends Generator {
 
 				if (generateContext.concatenationScope) {
 					const source = new ConcatSource();
+					/** @type {Set<string>} */
 					const usedIdentifiers = new Set();
 					const { RESERVED_IDENTIFIER } = getPropertyName();
 
@@ -414,6 +415,7 @@ class CssGenerator extends Generator {
 					);
 				}
 
+				/** @type {string[]} */
 				const exports = [];
 
 				for (const [name, v] of cssData.exports) {
@@ -500,7 +502,7 @@ class CssGenerator extends Generator {
 				}
 			}
 		}
-		if (this._exportsOnly) {
+		if (this._generatesJsOnly(module)) {
 			if (sourceTypes.has(JAVASCRIPT_TYPE) || isEntryModule) {
 				return JAVASCRIPT_TYPES;
 			}

Original file line number	Diff line number	Diff line change
`@@ -363,6 +363,7 @@ class CssGenerator extends Generator {`
`363`	`363`
`364`	`364`	`if (generateContext.concatenationScope) {`
`365`	`365`	`const source = new ConcatSource();`
	`366`	`+ /** @type {Set<string>} */`
`366`	`367`	`const usedIdentifiers = new Set();`
`367`	`368`	`const { RESERVED_IDENTIFIER } = getPropertyName();`
`368`	`369`
`@@ -414,6 +415,7 @@ class CssGenerator extends Generator {`
`414`	`415`	`);`
`415`	`416`	`}`
`416`	`417`
	`418`	`+ /** @type {string[]} */`
`417`	`419`	`const exports = [];`
`418`	`420`
`419`	`421`	`for (const [name, v] of cssData.exports) {`
`@@ -500,7 +502,7 @@ class CssGenerator extends Generator {`
`500`	`502`	`}`
`501`	`503`	`}`
`502`	`504`	`}`
`503`		`- if (this._exportsOnly) {`
	`505`	`+ if (this._generatesJsOnly(module)) {`
`504`	`506`	`if (sourceTypes.has(JAVASCRIPT_TYPE) \|\| isEntryModule) {`
`505`	`507`	`return JAVASCRIPT_TYPES;`
`506`	`508`	`}`