functions-samples开源项目

ThisrepositorycontainsacollectionofsamplesshowcasingsometypicalusesofCloudFunctionsforFirebase.

AllsamplesusetheNode14runtimeandrequiretheBlazepay-as-you-gobillingplantodeploy.LearnmoreaboutCloudFunctionsforFirebase'sNodeversionshere.

CloudFunctionsisahosted,private,andscalableNode.jsenvironmentwhereyoucanrunJavaScriptcode.CloudFunctionsforFirebaseintegratestheFirebaseplatformbylettingyouwritecodethatrespondstoeventsandinvokesfunctionalityexposedbyotherFirebasefeatures.

TolearnhowtogetstartedwithCloudFunctionsforFirebasebyhavingalookatourGettingStartedGuide,tryingthequickstartsamplesandlookingatthedocumentation.

Thisrepositorycontainsafewcategoriesofsamples:

HereisasetofminimalsamplesforeachCloudFunctionstriggertypes.

ThisquickstartsampledemonstratesusingCloudFunctionstriggeredbyFirebaseRealtimeDatabaseorFirestoreevents.ThefunctiontransformsmessagetextwrittentoFirestoretouppercase.

ThisquickstartsampledemonstratesusingCloudFunctionstriggeredbyHTTPSrequests.Thefunctionreturnsthecurrentservertimeandallowsfordatetimeformatting.

ThisquickstartdemonstratesusingCloudFunctionswithanHTTPStriggerthat'striggeredthroughaFirebaseHostingURL.Thefunctionwilldisplayarepeatednumberof"BONG"sdependingonthehouroftheday.

ThisquickstartsampledemonstratesusingCloudFunctionstriggeredbyFirebaseStorageevents.Thefunctiongeneratesathumbnailofuploadedimages.

ThisquickstartsampledemonstratesusingCloudFunctionstriggeredbyFirebaseAuthevents.ThefunctionsendsaWelcomeEmailwhenuseraccountsarecreated(orwhenuserssign-inusinganIdentityProviderforthefirsttime)andsendsaGoodbyeEmailwhenuseraccountsaredeleted.

ThisquickstartsampledemonstratesusingCloudFunctionstriggeredbyPubSubevents.ThefunctionslogthePubSubpayloadinaHelloworldmessage.

ThisquickstartdemonstrateshowtotriggerafunctioninresponsetothecompletionofatestmatrixinFirebaseTestLab.

TheFirebaseCLIgeneratessamplecodeforCloudFunctionsusingJavaScriptorTypeScript.

Thissampleshowshowtoserveserver-sidegeneratedHTMLpagesusingtheHandlebarsJstemplatingsystemandserveuser-specificcontentbyalwayspassingtheFirebaseIDtokenina__sessioncookie.

HereareafewsamplesthatshowhowyoucanprocessoranalyzeimagesusingCloudFunctions.

ThissampledemonstrateshowtocreatevariouscustomizedimagessuchassparklineorspherechartsthroughCloudFunctionsandHostingandserveittotheclient.UsesanHTTPtrigger.

DemonstrateshowtoautomaticallyconvertimagesthatareuploadedtoFirebaseStoragetoJPEGusingImageMagick.UsesaFirebaseStoragetrigger.

DemonstrateshowtoautomaticallygenerateathumbnailforimagesthatareuploadedtoFirebaseStorageusingImageMagickandgenerateapublicdownloadlinkfortheimages.UsesaFirebaseStoragetrigger.

DemonstrateshowtouseNode.jsStreamtoreadimagefromCloudStorage,generateathumbnailimageusingSharpanduploaditbacktoCloudStorage.UsesaFirebaseStoragetrigger.

DemonstrateshowtoautomaticallymoderateoffensiveimagesthatareuploadedtoFirebaseStoragebyusingtheGoogleCloudVisionAPItodetectoffensiveimagesandImageMagicktoblurtheseimages.UsesaFirebaseStoragetrigger.

Demonstrateshowtoautomaticallyextractimage'smetadatausingImageMagickforimagesthatareuploadedtoFirebaseStorage.UsesaFirebaseStoragetrigger.

Thesesamplesshowhowtoimplementautomaticdataconsistencysuchaskeepingacountofchildren,havingamaxamountofnodechilds,cleaningupolddataetc...

TrackingwhentheFirebaseDatabase(orasubset)waslastmodified.UsesaRealtimeDatabasetrigger.

KeepstrackofthenumberofchildnodesofaFirebaseDatabaseelementallowingclientstofilterororderresultsusingthechildcount.Thiscanbeusefultokeeptrackofthenumberof"likes"or"followers"ofsomethingsharedthroughsocialmedia.UsesaRealtimeDatabasetrigger.

Makessurethatthenumberofchildnodesstaysbelowacertainthreshold.Thiscanbeusefultolimitthenumberoflinesoflogsorchathistorybelowagivennumber.UsesaRealtimeDatabasetrigger.

Thissampleshowshowtoremovechildnodesolderthan2hoursfromaFirebaseDatabaselist.Thiscanbeusefulforremovingoutdateditemsfromacollection.UsesaRealtimeDatabasetrigger.

ThissampledemonstrateshowtosendaFirebaseCloudMessaging(FCM)notificationfromaRealtimeDatabasetriggeredFunctionwhenusersgetnewfollowers.ThesamplealsofeaturesaWebUItoexperiencetheFCMnotification.UsesaRealtimeDatabasetrigger.

ThissampleshowshowtocreateanactionfortheGoogleHome/AssistantusingtheActionsSDKhostedonCloudFunctions.Thesampleactionasksuserstosayanumberandreadsouttheordinalofthatnumber.UsesanHTTPtrigger.

ThissampleshowshowtoauthenticateaccesstoaJSONAPItoonlyallowaccesstodataforaspecificFirebaseuser.UsesanHTTPtrigger.

ThissampleshowshowtorestrictanHTTPSFunctiontoonlytheFirebaseusersofyourapp.OnlyuserswhopassavalidFirebaseIDtokenasaBearertokenintheAuthorizationheaderoftheHTTPrequestorina__sessioncookieareauthorizedtousethefunction.CheckingtheIDtokenisdonewithanExpressJsmiddlewarethatalsopassesthedecodedIDtokenintheExpressrequestobject.UsesanHTTPtrigger.

Demonstrateshowtoauthorizewitha3rdpartysign-inmechanism,createaFirebasecustomauthtoken,updatetheuser'sprofileandauthorizeFirebase.UsesanHTTPtrigger.

DemonstrateshowtoautomaticallypostGitHubcommitstoaSlackchannelusinganHTTPStriggeredFunction.

DemonstrateshowstointegrateFirebaseAuthandtheRealtimedatabasewithStripeviatheStripeNode.jslibraryandshowshowtocreateHTTPendpointstochargecustomersviaPaypal.

Demonstrateshowtomoderateuserinputtextforbadwords.Thiscanbeusedtomoderateusernames,chatorforummessages.UsesaRealtimeDatabasetrigger.

Sendsemailconfirmationafteruserssubscribedtoamailinglist.UsesaRealtimeDatabasetrigger.

IntegratestheGoogleTranslateAPItoperformautomatictexttranslationacrossanynumberoflanguages.LanguagecodescanbestoredinFirebaseforontheflychanges.UsesaRealtimeDatabasetrigger.

IntegratestheBit.lyAPItoshortenURLsautomaticallyastheyareaddedtothedatabase.UsesaRealtimeDatabasetrigger.

Enablefull-textsearchonFirebaseDatabasedataorFirestoredocumentsbyusingahostedsearchservice.UsesaRealtimeDatabaseorFirestoretrigger.

DeletesallassociateduserdataintheRealtimedatabasewhenauserdeleteshisFirebaseaccount.UsesanAuthtrigger.Thiscodehasmovedtoitsownrepoathttps://github.com/firebase/user-data-protection

ThissampledemonstrateshowtosyncnewdatawrittentoaFirebasedatabasetoaGoogleSheet.Itincludesamethodforobtaining,storing,andusingOauth2tokensforGoogleAPIaccess.UsesHTTPStriggersandRealtimeDatabasetriggers.

CopiesFirebaseDatabaseelementsintoBigQueryautomatically.Thiscanbeusefulforinstanceforfurtherlogsanalysis.UsesaRealtimeDatabasetrigger.

WritingtotheFirebaseDatabasetriggersarequesttoacallbackURL(aWebhook).ThecontentofthemodifiedDataissenttotheWebhook.UsesaRealtimeDatabasetrigger.

Thissampleshowshowtosendasurveytoyouruserswhohaveupdatedyourapp.AppUpdateisdetectedusingaFirebaseAnalyticsevent.UsesanAnalyticstrigger.

Thissampleshowshowtosendacoupontoyouruserswhohavejustpurchasedsomething.10%offonyournextpurchase!UsesanAnalyticstrigger.

Periodicallydeletestheaccountsofuserswhohavenotsignedininthelastmonth.UsesanHTTPStrigger.

ThissampledemonstrateshowtosendaFirebaseCloudMessaging(FCM)notificationtothedeveloperdeviceeachtimeyourappgainsorlosesauser.UsesanAnalyticstrigger.

Thissampleusesffmpeg/fluent-ffmpegandautomaticallyconvertsaudiofilesthatareuploadedtoCloudStoragetoFLACfileformatwithmono-channelaudio@16000hz.UsesaStoragetrigger.

Buildasimpleonline/offlinestatusindicatorforyourusersbyleveragingFirestoreandRealtimeDatabasetogether.UsesaRealtimeDatabasetrigger.

AutomaticallypublishesmodelstoFirebaseMLforeachTensorFlowLitefilethatisuploadedtoFirebaseStorage.

ThissampleshowshowtoquerytheYoutubeDataAPI.UsesanHTTPStrigger.

We'dlovethatyoucontributetotheproject.BeforedoingsopleasereadourContributorguide.

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