Arctic

Start.gg

OAuth 2.0 provider for Start.gg.

Also see the OAuth 2.0 guide.

Initialization

import { StartGG } from "arctic";

const startgg = new StartGG(clientId, clientSecret, redirectURI);

Create authorization URL

import { generateState } from "arctic";

const state = generateState();
const scopes = ["user.identity", "user.email"];
const url = startgg.createAuthorizationURL(state, scopes);

Validate authorization code

Start.gg requires a list of scopes in addition to the authorization code. validateAuthorizationCode() will either return an OAuth2Tokens, or throw one of OAuth2RequestError, ArcticFetchError, or a standard Error (parse errors). Start.gg returns an access token, the access token expiration, and a refresh token.

import { OAuth2RequestError, ArcticFetchError } from "arctic";

try {
	const tokens = await startgg.validateAuthorizationCode(code, scopes);
	const accessToken = tokens.accessToken();
	const accessTokenExpiresAt = tokens.accessTokenExpiresAt();
	const refreshToken = tokens.refreshToken();
} catch (e) {
	if (e instanceof OAuth2RequestError) {
		// Invalid authorization code, credentials, or redirect URI
		const code = e.code;
		// ...
	}
	if (e instanceof ArcticFetchError) {
		// Failed to call `fetch()`
		const cause = e.cause;
		// ...
	}
	// Parse error
}

Refresh access tokens

Use refreshAccessToken() to get a new access token using a refresh token. Start.gg returns the same values as during the authorization code validation. This method also returns OAuth2Tokens and throws the same errors as validateAuthorizationCode()

import { OAuth2RequestError, ArcticFetchError } from "arctic";

try {
	const tokens = await startgg.refreshAccessToken(accessToken, scopes);
	const accessToken = tokens.accessToken();
	const accessTokenExpiresAt = tokens.accessTokenExpiresAt();
	const refreshToken = tokens.refreshToken();
} catch (e) {
	if (e instanceof OAuth2RequestError) {
		// Invalid authorization code, credentials, or redirect URI
	}
	if (e instanceof ArcticFetchError) {
		// Failed to call `fetch()`
	}
	// Parse error
}

Get user profile

Add the user.identity scope and optionally the user.email to get the user email. See the Start.gg Schema.

const response = await fetch("https://api.start.gg/gql/alpha", {
	method: "POST",
	body: `{"query": "{ currentUser {id slug email player { gamerTag } } }" }`,
	headers: {
		"Content-type": "application/json",
		Authorization: `Bearer ${accessToken}`
	}
});
const result = await response.json();