Merge pull request #6641 from tmilloff/master

Fix #6634
webpack · Mar 6, 2018 · 4f39932 · 4f39932
2 parents 6879ab7 + 1181c0e
commit 4f39932
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diff --git a/lib/WebpackOptionsDefaulter.js b/lib/WebpackOptionsDefaulter.js
@@ -128,6 +128,8 @@ class WebpackOptionsDefaulter extends OptionsDefaulter {
 			}
 		});
 		this.set("output.devtoolNamespace", "make", options => {
+			if (Array.isArray(options.output.library))
+				return options.output.library.join(".");
 			return options.output.library || "";
 		});
 		this.set("output.libraryTarget", "var");

diff --git a/test/configCases/source-map/array-as-output-library/index.js b/test/configCases/source-map/array-as-output-library/index.js
@@ -0,0 +1 @@
+it("should compile successfully when output.library is an array of strings", function() {});
diff --git a/test/configCases/source-map/array-as-output-library/webpack.config.js b/test/configCases/source-map/array-as-output-library/webpack.config.js
@@ -0,0 +1,6 @@
+module.exports = {
+	devtool: "source-map",
+	output: {
+		library: ["Foo", "[name]"]
+	}
+};