Fix webpack#5213, set boolean options in config file.

pierreneter · web-flow · commit c0894256f3a0 · 2017-07-16T06:31:53.000+07:00
diff --git a/bin/convert-argv.js b/bin/convert-argv.js
@@ -173,6 +173,9 @@ module.exports = function(yargs, argv, convertOptions) {
 		var noOutputFilenameDefined = !options.output || !options.output.filename;
 
 		function ifArg(name, fn, init, finalize) {
+			if (typeof options[name] === "boolean") {
+				argv[name] = options[name];
+			}
 			if(Array.isArray(argv[name])) {
 				if(init) {
 					init();
