protected async exchangeCodeForToken()

in src/auth/AuthorizationCodeWithPKCEStrategy.ts [109:131]

• 19 lines of code
• 3 McCabe index (conditional complexity)

    protected async exchangeCodeForToken(code: string, verifier: string): Promise<AccessToken> {
        const params = new URLSearchParams();
        params.append("client_id", this.clientId);
        params.append("grant_type", "authorization_code");
        params.append("code", code);
        params.append("redirect_uri", this.redirectUri);
        params.append("code_verifier", verifier!);

        const result = await fetch("https://accounts.spotify.com/api/token", {
            method: "POST",
            headers: { "Content-Type": "application/x-www-form-urlencoded" },
            body: params
        });

        const text = await result.text();

        if (!result.ok) {
            throw new Error(`Failed to exchange code for token: ${result.statusText}, ${text}`);
        }

        const json: AccessToken = JSON.parse(text);
        return json;
    }