bower install is not working

[balumuriraj]

when tried to install escodegen with bower bower install escodegen, it is failing because Package optionator not found

C:\test>bower install escodegen --save
bower escodegen#*               cached git://github.com/Constellation/escodegen.git#1.6.1
bower escodegen#*             validate 1.6.1 against git://github.com/Constellation/escodegen.git#*
bower escodegen#~1.6.1          cached git://github.com/Constellation/escodegen.git#1.6.1
bower escodegen#~1.6.1        validate 1.6.1 against git://github.com/Constellation/escodegen.git#~1.6.1
bower estraverse#^1.9.1         cached git://github.com/Constellation/estraverse.git#1.9.3
bower estraverse#^1.9.1       validate 1.9.3 against git://github.com/Constellation/estraverse.git#^1.9.1
bower esprima#^1.2.2            cached git://github.com/ariya/esprima.git#1.2.4
bower esprima#^1.2.2          validate 1.2.4 against git://github.com/ariya/esprima.git#^1.2.2
bower esutils#^1.1.6            cached git://github.com/Constellation/esutils.git#1.1.6
bower esutils#^1.1.6          validate 1.1.6 against git://github.com/Constellation/esutils.git#^1.1.6
bower optionator#^0.5.0      ENOTFOUND Package optionator not found

[mikaelharsjo]

Same for me, this repo needs an bower.json file