Extending Observable to the backend with a custom serverless runtime.
Innovative live-coding workflows against production traffic.
import { authorize_link, state } with {
CLIENT_ID,
CLIENT_ID as REDIRECT_URI,
AUTHORIZE_URL,
TOKEN_URL,
TOKEN_PARAMS
} from '@tomlarkworthy/oauth'
userWithNull = Generators.queue(next => {
firebase.auth().onAuthStateChanged(auth => {
console.log("Auth state changed", auth)
next(auth)
})
})
user = {
return userWithNull ? userWithNull : invalidation
}
decoded = state && state.access_token ? JSON.parse(atob(state.access_token.split('.')[1])): undefined
exchange = {
if (state && state.access_token && (
decoded.uid !== userWithNull?.uid || hasNewClaims(decoded.claims, currentClaims)
)) {
console.log("Using access_token for Firebase signin")
firebase.auth().signInWithCustomToken(state.access_token)
}
}
function hasNewClaims(newClaims, oldClaims) {
return Object.keys(newClaims || {}).some(newClaim => {
if (!oldClaims[newClaim]) return true
if (!deepEqual(newClaims[newClaim], oldClaims[newClaim])) return true
})
}
// https://stackoverflow.com/a/38416465/862295 Thanks Frank Tan!
function deepEqual(a,b)
{
if( (typeof a == 'object' && a != null) &&
(typeof b == 'object' && b != null) ) {
var count = [0,0];
for( var key in a) count[0]++;
for( var key in b) count[1]++;
if ( count[0]-count[1] != 0) {return false;}
for( var key in a) {
if (!(key in b) || !deepEqual(a[key],b[key])) {return false;}
}
for( var key in b) {
if (!(key in a) || !deepEqual(b[key],a[key])) {return false;}
}
return true;
} else {
return a === b;
}
}
currentClaims = userWithNull ? JSON.parse(atob((await userWithNull.getIdToken()).split(".")[1]))
: {}
user
One platform to build and deploy the best data apps
Experiment and prototype by building visualizations in live JavaScript notebooks. Collaborate with your team and decide which concepts to build out.
Use Observable Framework to build data apps locally. Use data loaders to build in any language or library, including Python, SQL, and R.
Seamlessly deploy to Observable. Test before you ship, use automatic deploy-on-commit, and ensure your projects are always up-to-date.