improve CLI usability (#2016)

Report supported options upon invalid option syntax. fixes #1883
2017-05-28 04:09:40 +08:00
parent 79131cd647
commit fec14379f6
2 changed files with 10 additions and 1 deletions
--- a/bin/uglifyjs
+++ b/bin/uglifyjs
@@ -351,7 +351,7 @@ function parse_js(flag, constants) {
                }
            }));
        } catch(ex) {
-            fatal("Error parsing arguments for '" + flag + "': " + value);
+            options[value] = null;
        }
        return options;
    }