Check for truthiness of alternate
Check for truthiness of alternate

This is unfortunate since we agreed on using the `null | Fiber`
convention instead of `?Fiber` but haven't upgraded yet and this
is the pattern I've been using everywhere else so far.

quip/react,shergin/react,jorrit/react,ericyang321/react,claudiopro/react,terminatorheart/react,pyitphyoaung/react,rohannair/react,STRML/react,facebook/react,prometheansacrifice/react,maxschmeling/react,jameszhan/react,TheBlasfem/react,Simek/react,rlugojr/react,pswai/react,dilidili/react,camsong/react,richiethomas/react,STRML/react,nhunzaker/react,claudiopro/react,flarnie/react,nhunzaker/react,niubaba63/react,roth1002/react,acdlite/react,camsong/react,eoin/react,rricard/react,staltz/react,empyrical/react,silvestrijonathan/react,maxschmeling/react,jordanpapaleo/react,ericyang321/react,rricard/react,jquense/react,yangshun/react,aaron-goshine/react,andrerpena/react,andrerpena/react,mhhegazy/react,anushreesubramani/react,krasimir/react,billfeller/react,Simek/react,VioletLife/react,camsong/react,ericyang321/react,cpojer/react,pswai/react,tomocchino/react,maxschmeling/react,rlugojr/react,brigand/react,jzmq/react,joecritch/react,AlmeroSteyn/react,joecritch/react,glenjamin/react,wmydz1/react,roth1002/react,apaatsio/react,joecritch/react,jameszhan/react,roth1002/react,roth1002/react,mjackson/react,aaron-goshine/react,jdlehman/react,shergin/react,apaatsio/react,jzmq/react,wmydz1/react,jameszhan/react,brigand/react,AlmeroSteyn/react,dilidili/react,jameszhan/react,mjackson/react,pyitphyoaung/react,kaushik94/react,tomocchino/react,VioletLife/react,eoin/react,pyitphyoaung/react,dilidili/react,mhhegazy/react,jdlehman/react,chenglou/react,krasimir/react,pswai/react,tomocchino/react,trueadm/react,ArunTesco/react,STRML/react,aickin/react,tomocchino/react,yiminghe/react,chicoxyzzy/react,niubaba63/react,quip/react,trueadm/react,dilidili/react,pyitphyoaung/react,pswai/react,aaron-goshine/react,flipactual/react,yungsters/react,chenglou/react,rickbeerendonk/react,quip/react,jorrit/react,jorrit/react,aaron-goshine/react,claudiopro/react,VioletLife/react,jzmq/react,pyitphyoaung/react,bspaulding/react,ArunTesco/react,tomocchino/react,yiminghe/react,yiminghe/react,sekiyaeiji/react,jquense/react,yiminghe/react,Simek/react,shergin/react,rlugojr/react,jordanpapaleo/react,facebook/react,eoin/react,yungsters/react,richiethomas/react,jordanpapaleo/react,anushreesubramani/react,trueadm/react,apaatsio/react,yangshun/react,rricard/react,roth1002/react,jdlehman/react,AlmeroSteyn/react,prometheansacrifice/react,staltz/react,chenglou/react,andrerpena/react,Simek/react,VioletLife/react,kaushik94/react,STRML/react,mosoft521/react,quip/react,pswai/react,terminatorheart/react,trueadm/react,ArunTesco/react,empyrical/react,Simek/react,chicoxyzzy/react,ericyang321/react,silvestrijonathan/react,shergin/react,quip/react,richiethomas/react,dilidili/react,bspaulding/react,silvestrijonathan/react,mosoft521/react,prometheansacrifice/react,aickin/react,leexiaosi/react,jdlehman/react,eoin/react,chippieTV/react,kaushik94/react,AlmeroSteyn/react,jameszhan/react,rohannair/react,bspaulding/react,glenjamin/react,rohannair/react,eoin/react,apaatsio/react,kaushik94/react,camsong/react,richiethomas/react,wmydz1/react,yangshun/react,trueadm/react,prometheansacrifice/react,tomocchino/react,cpojer/react,nhunzaker/react,syranide/react,silvestrijonathan/react,facebook/react,jzmq/react,jquense/react,empyrical/react,kaushik94/react,jordanpapaleo/react,niubaba63/react,niubaba63/react,camsong/react,mhhegazy/react,jquense/react,apaatsio/react,mhhegazy/react,rickbeerendonk/react,dilidili/react,jorrit/react,edvinerikson/react,cpojer/react,facebook/react,TheBlasfem/react,mosoft521/react,wmydz1/react,nhunzaker/react,nhunzaker/react,mosoft521/react,chicoxyzzy/react,facebook/react,acdlite/react,chenglou/react,terminatorheart/react,maxschmeling/react,billfeller/react,shergin/react,mjackson/react,edvinerikson/react,TheBlasfem/react,mjackson/react,cpojer/react,jquense/react,rohannair/react,apaatsio/react,wmydz1/react,roth1002/react,joecritch/react,staltz/react,anushreesubramani/react,joecritch/react,chenglou/react,edvinerikson/react,yiminghe/react,flarnie/react,ericyang321/react,krasimir/react,mosoft521/react,edvinerikson/react,billfeller/react,brigand/react,trueadm/react,brigand/react,andrerpena/react,rlugojr/react,empyrical/react,richiethomas/react,wmydz1/react,jorrit/react,aickin/react,sekiyaeiji/react,pyitphyoaung/react,mhhegazy/react,acdlite/react,krasimir/react,terminatorheart/react,cpojer/react,yiminghe/react,aickin/react,VioletLife/react,trueadm/react,cpojer/react,ericyang321/react,sekiyaeiji/react,mjackson/react,niubaba63/react,jquense/react,Simek/react,STRML/react,chenglou/react,chippieTV/react,yiminghe/react,prometheansacrifice/react,yangshun/react,edvinerikson/react,chicoxyzzy/react,silvestrijonathan/react,chicoxyzzy/react,leexiaosi/react,AlmeroSteyn/react,pswai/react,acdlite/react,claudiopro/react,jzmq/react,mhhegazy/react,quip/react,billfeller/react,yungsters/react,chicoxyzzy/react,richiethomas/react,shergin/react,empyrical/react,rickbeerendonk/react,eoin/react,billfeller/react,staltz/react,camsong/react,flarnie/react,camsong/react,flipactual/react,tomocchino/react,yangshun/react,anushreesubramani/react,aickin/react,silvestrijonathan/react,AlmeroSteyn/react,jorrit/react,richiethomas/react,jdlehman/react,jordanpapaleo/react,andrerpena/react,cpojer/react,aickin/react,yangshun/react,rlugojr/react,rickbeerendonk/react,bspaulding/react,maxschmeling/react,kaushik94/react,terminatorheart/react,yungsters/react,facebook/react,jquense/react,krasimir/react,nhunzaker/react,syranide/react,STRML/react,rickbeerendonk/react,maxschmeling/react,jzmq/react,aaron-goshine/react,chippieTV/react,syranide/react,billfeller/react,krasimir/react,TheBlasfem/react,mjackson/react,rricard/react,empyrical/react,mosoft521/react,jzmq/react,jordanpapaleo/react,claudiopro/react,kaushik94/react,brigand/react,niubaba63/react,glenjamin/react,rlugojr/react,chippieTV/react,anushreesubramani/react,joecritch/react,terminatorheart/react,prometheansacrifice/react,nhunzaker/react,anushreesubramani/react,jdlehman/react,acdlite/react,TheBlasfem/react,quip/react,jorrit/react,Simek/react,bspaulding/react,wmydz1/react,rricard/react,glenjamin/react,aickin/react,niubaba63/react,TheBlasfem/react,chippieTV/react,flarnie/react,syranide/react,chenglou/react,VioletLife/react,dilidili/react,mhhegazy/react,jordanpapaleo/react,rohannair/react,flarnie/react,maxschmeling/react,billfeller/react,glenjamin/react,bspaulding/react,VioletLife/react,joecritch/react,andrerpena/react,chicoxyzzy/react,edvinerikson/react,rohannair/react,acdlite/react,STRML/react,flipactual/react,edvinerikson/react,aaron-goshine/react,claudiopro/react,flarnie/react,jameszhan/react,jameszhan/react,acdlite/react,mosoft521/react,chippieTV/react,ericyang321/react,pyitphyoaung/react,staltz/react,claudiopro/react,yungsters/react,glenjamin/react,rickbeerendonk/react,yungsters/react,shergin/react,empyrical/react,facebook/react,glenjamin/react,yangshun/react,bspaulding/react,brigand/react,flarnie/react,silvestrijonathan/react,krasimir/react,staltz/react,leexiaosi/react,anushreesubramani/react,mjackson/react,rricard/react,prometheansacrifice/react,jdlehman/react,brigand/react,AlmeroSteyn/react,roth1002/react,yungsters/react,apaatsio/react,rohannair/react,rlugojr/react,rickbeerendonk/react