@mikandev/next-discord-auth/dist/lib/oauth.js

Discord OAuth for Next.js that doesn't suck

export const ExchangeCodeForTokens = async (config, code) => {
    const response = await fetch("https://discord.com/api/oauth2/token", {
        method: "POST",
        headers: {
            "Content-Type": "application/x-www-form-urlencoded",
        },
        body: new URLSearchParams({
            client_id: config.clientId,
            client_secret: config.clientSecret,
            grant_type: "authorization_code",
            code: code,
            redirect_uri: config.redirectUri,
            scope: config.scopes.join(" "),
        }),
    });
    if (!response.ok) {
        const error = (await response.json());
        throw new Error(`Failed to exchange code for token: ${error.error_description || error.message}`);
    }
    const data = (await response.json());
    return {
        accessToken: data.access_token,
        refreshToken: data.refresh_token,
        expiresIn: data.expires_in,
    };
};
export const RefreshAccessToken = async (config, refreshToken) => {
    const response = await fetch("https://discord.com/api/oauth2/token", {
        method: "POST",
        headers: {
            "Content-Type": "application/x-www-form-urlencoded",
        },
        body: new URLSearchParams({
            client_id: config.clientId,
            client_secret: config.clientSecret,
            grant_type: "refresh_token",
            refresh_token: refreshToken,
            scope: config.scopes.join(" "),
        }),
    });
    if (!response.ok) {
        const error = (await response.json());
        throw new Error(`Failed to refresh access token: ${error.error_description || error.message}`);
    }
    const data = (await response.json());
    return {
        accessToken: data.access_token,
        refreshToken: data.refresh_token || refreshToken,
        expiresIn: data.expires_in,
    };
};