Fix returning empty string if the path passed to filename.dirname/1 is a path to a file in the root directory

Mohamed Seleem · Mohamed Seleem · commit a6741fdcdfa7 · 2017-10-22T13:40:53.000+02:00
diff --git a/src/javascript/lib/core/erlang_compat/filename.js b/src/javascript/lib/core/erlang_compat/filename.js
@@ -16,7 +16,7 @@ function join(arg, extra = null) {
 function dirname(arg) {
   const path = join([arg]);
   const index = path.lastIndexOf('/');
-  return index == -1 ? '.' : path.substr(0, index);
+  return index == -1 ? '.' : path.substr(0, index) || '/';
 }
 
 export default {

Original file line number	Diff line number	Diff line change
`@@ -16,7 +16,7 @@ function join(arg, extra = null) {`
`16`	`16`	`function dirname(arg) {`
`17`	`17`	`const path = join([arg]);`
`18`	`18`	`const index = path.lastIndexOf('/');`
`19`		`- return index == -1 ? '.' : path.substr(0, index);`
	`19`	`+ return index == -1 ? '.' : path.substr(0, index) \|\| '/';`
`20`	`20`	`}`
`21`	`21`
`22`	`22`	`export default {`