Fix output sorting

src/rollup/index.ts

@@ -360,16 +360,31 @@ export default function rollup(rawInputOptions: GenericConfigObject): Promise<Ro
 	}
 }
 
+enum SortingFileType {
+	ENTRY_CHUNK = 0,
+	SECONDARY_CHUNK = 1,
+	ASSET = 2
+}
+
+function getSortingFileType(file: OutputAsset | OutputChunk): SortingFileType {
+	if ((<OutputAsset>file).isAsset) {
+		return SortingFileType.ASSET;
+	}
+	if ((<OutputChunk>file).isEntry) {
+		return SortingFileType.ENTRY_CHUNK;
+	}
+	return SortingFileType.SECONDARY_CHUNK;
+}
+
 function createOutput(outputBundle: Record<string, OutputChunk | OutputAsset>): RollupOutput {
 	return {
 		output: Object.keys(outputBundle)
 			.map(fileName => outputBundle[fileName])
 			.sort((outputFileA, outputFileB) => {
-				// sort by entry chunks, shared chunks, then assets
-				if (isOutputAsset(outputFileA)) return isOutputAsset(outputFileB) ? 0 : 1;
-				if (isOutputAsset(outputFileB)) return -1;
-				if (outputFileA.isEntry) return outputFileB.isEntry ? 0 : -1;
-				outputFileB.isEntry ? 1 : 0;
+				const fileTypeA = getSortingFileType(outputFileA);
+				const fileTypeB = getSortingFileType(outputFileB);
+				if (fileTypeA === fileTypeB) return 0;
+				return fileTypeA < fileTypeB ? -1 : 1;
 			})
 	};
 }

test/misc/index.js

@@ -204,7 +204,7 @@ describe('sanity checks', () => {
 			});
 	});
 
-	it.only('does not throw when using dynamic imports with the "file" option and "inlineDynamicImports"', () => {
+	it('does not throw when using dynamic imports with the "file" option and "inlineDynamicImports"', () => {
 		const warnings = [];
 
 		return rollup
@@ -664,6 +664,34 @@ describe('misc', () => {
 			});
 	});
 
+	it('sorts chunks in the output', () => {
+		const warnings = [];
+
+		return rollup
+			.rollup({
+				input: ['main1', 'main2'],
+				plugins: [
+					loader({
+						main1: 'import "dep";console.log("main1");',
+						main2: 'import "dep";console.log("main2");',
+						dep: 'console.log("dep");import("dyndep");',
+						dyndep: 'console.log("dyndep");'
+					})
+				],
+				onwarn: warning => warnings.push(warning)
+			})
+			.then(bundle => bundle.generate({ format: 'es' }))
+			.then(({ output }) => {
+				assert.equal(warnings.length, 0);
+				assert.deepEqual(output.map(({ fileName }) => fileName), [
+					'main1.js',
+					'main2.js',
+					'dyndep.js',
+					'chunk-7e6a340f.js'
+				]);
+			});
+	});
+
 	it('ignores falsy plugins', () => {
 		return rollup.rollup({
 			input: 'x',