support a namedExports false option

rollup · May 21, 2018 · 796bb63 · 796bb63
1 parent 28983e0
commit 796bb63
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Showing 3 changed files with 10 additions and 1 deletion.
diff --git a/README.md b/README.md
@@ -117,7 +117,8 @@ const esModuleSource = dataToEsm({
   compact: false,
   indent: '\t',
   preferConst: false,
-  objectShorthand: false
+  objectShorthand: false,
+  namedExports: true
 });
 /*
 Outputs the string ES module source:

diff --git a/src/dataToEsm.js b/src/dataToEsm.js
@@ -46,6 +46,9 @@ export default function dataToNamedExports (data, options = {}) {
 	const _ = options.compact ? '' : ' ';
 	const n = options.compact ? '' : '\n';
 	const declarationType = options.preferConst ? 'const' : 'var';
+
+	if (options.namedExports === false)
+		return `export default${ _ }${ serialize( data, options.compact ? null : t, '' ) };`;
 
 	let namedExportCode = '';
 	const defaultExportRows = [];

diff --git a/test/test.js b/test/test.js
@@ -512,5 +512,10 @@ describe( 'rollup-pluginutils', function () {
 		it ( 'supports null serialize', function () {
 			assert.equal( dataToEsm( { null: null } ), 'export default {\n\t"null": null\n};\n' );
 		});
+
+		it ( 'supports default only', function () {
+			var arr = ['a', 'b'];
+			assert.equal( dataToEsm( { arr: arr }, { namedExports: false } ), 'export default {\n\tarr: [\n\t\t"a",\n\t\t"b"\n\t]\n};' );
+		});
 	});
 });