Set default opts argument in the constructor itself
Set default opts argument in the constructor itself

This is more robust against future changes.

xanxiver/ejs,mde/ejs,jtsay362/solveforall-ejs2,kolonse/ejs,TimothyGu/ejs-tj,cnwhy/ejs,zensh/ejs,zensh/ejs,tyduptyler13/ejs,mmis1000/ejs-promise,kolonse/ejs,insidewarehouse/ejs,operatino/ejs,insidewarehouse/ejs,TimothyGu/ejs-tj,cnwhy/ejs,rpaterson/ejs