fix(legacy-element-mixin): _log with single parameter Polymer#5006

alimd · web-flow · commit f4ecbae5930f · 2017-12-27T10:25:46.000+03:30
diff --git a/lib/legacy/legacy-element-mixin.html b/lib/legacy/legacy-element-mixin.html
@@ -937,7 +937,7 @@
        */
       _logger(level, args) {
         // accept ['foo', 'bar'] and [['foo', 'bar']]
-        if (Array.isArray(args) && args.length === 1) {
+        if (Array.isArray(args) && args.length === 1, && Array.isArray(args[0])) {
           args = args[0];
         }
         switch(level) {

Original file line number	Diff line number	Diff line change
`@@ -937,7 +937,7 @@`
`937`	`937`	`*/`
`938`	`938`	`_logger(level, args) {`
`939`	`939`	`// accept ['foo', 'bar'] and [['foo', 'bar']]`
`940`		`- if (Array.isArray(args) && args.length === 1) {`
	`940`	`+ if (Array.isArray(args) && args.length === 1, && Array.isArray(args[0])) {`
`941`	`941`	`args = args[0];`
`942`	`942`	`}`
`943`	`943`	`switch(level) {`