aladinnetwork-blockstack
Version:
The Aladin Javascript library for authentication, identity, and storage.
38 lines (35 loc) • 1.3 kB
text/typescript
import { resolveZoneFileToProfile } from './profileZoneFiles'
import { config } from '../config'
import { fetchPrivate } from '../fetchUtil'
/**
* Look up a user profile by aladin ID
*
* @param {string} username - The Aladin ID of the profile to look up
* @param {string} [zoneFileLookupURL=null] - The URL
* to use for zonefile lookup. If falsey, lookupProfile will use the
* aladin.js [[getNameInfo]] function.
* @returns {Promise} that resolves to a profile object
*/
export function lookupProfile(username: string, zoneFileLookupURL?: string): Promise<any> {
if (!username) {
return Promise.reject()
}
let lookupPromise
if (zoneFileLookupURL) {
const url = `${zoneFileLookupURL.replace(/\/$/, '')}/${username}`
lookupPromise = fetchPrivate(url)
.then(response => response.json())
} else {
lookupPromise = config.network.getNameInfo(username)
}
return lookupPromise
.then((responseJSON) => {
if (responseJSON.hasOwnProperty('zonefile')
&& responseJSON.hasOwnProperty('address')) {
return resolveZoneFileToProfile(responseJSON.zonefile, responseJSON.address)
} else {
throw new Error('Invalid zonefile lookup response: did not contain `address`'
+ ' or `zonefile` field')
}
})
}