fix(intl): polyfill for safari when clean the sample project (#790)
fix(intl): polyfill for safari when clean the sample project (#790)

* fix(intl): polyfill for safari when clean the sample project

* fix(test): fix semicolon

Dattaya/react-boilerplate-object,gtct/wallet.eine.com,kossel/react-boilerplate,gtct/wallet.eine.com,abasalilov/react-boilerplate,ipselon/react-boilerplate-clone,blockfs/frontend-react,mikejong0815/Temp,blockfs/frontend-react,Proxiweb/react-boilerplate,TheTopazWombat/levt-2,gihrig/react-boilerplate,gihrig/react-boilerplate-logic,w01fgang/react-boilerplate,abasalilov/react-boilerplate,kaizen7-nz/gold-star-chart,kossel/react-boilerplate,codermango/BetCalculator,react-boilerplate/react-boilerplate,gtct/wallet.eine.com,react-boilerplate/react-boilerplate,tomazy/react-boilerplate,mmaedel/react-boilerplate,gihrig/react-boilerplate,pauleonardo/demo-trans,haithemT/app-test,w01fgang/react-boilerplate,JonathanMerklin/react-boilerplate,s0enke/react-boilerplate,Dmitry-N-Medvedev/motor-collection,mikejong0815/Temp,be-oi/beoi-training-client,KarandikarMihir/react-boilerplate,Proxiweb/react-boilerplate,Dmitry-N-Medvedev/motor-collection,AnhHT/react-boilerplate,rlagman/raphthelagman,haxorbit/chiron,ipselon/react-boilerplate-clone,perry-ugroop/ugroop-react-dup2,shiftunion/bot-a-tron,Jan-Jan/react-hackathon-boilerplate,gihrig/react-boilerplate-logic,chaintng/react-boilerplate,s0enke/react-boilerplate,Jan-Jan/react-hackathon-boilerplate,kaizen7-nz/gold-star-chart,romanvieito/ball-simpler,likesalmon/likesalmon-react-boilerplate,shiftunion/bot-a-tron,haithemT/app-test,Demonslyr/Donut.WFE.Customer,samit4me/react-boilerplate,Dmitry-N-Medvedev/motor-collection,gtct/wallet.eine.com,mxstbr/react-boilerplate,pauleonardo/demo-trans,haxorbit/chiron,mmaedel/react-boilerplate,JonathanMerklin/react-boilerplate,codermango/BetCalculator,TheTopazWombat/levt-2,s0enke/react-boilerplate,samit4me/react-boilerplate,Proxiweb/react-boilerplate,AnhHT/react-boilerplate,likesalmon/likesalmon-react-boilerplate,chaintng/react-boilerplate,rlagman/raphthelagman,Demonslyr/Donut.WFE.Customer,perry-ugroop/ugroop-react-dup2,Dattaya/react-boilerplate-object,KarandikarMihir/react-boilerplate,be-oi/beoi-training-client,mxstbr/react-boilerplate,tomazy/react-boilerplate,Dmitry-N-Medvedev/motor-collection,romanvieito/ball-simpler