Method call

src/client.ts:497–585

(method: string, url: URL, headers: Headers = {}, params: Payload = {}, responseType = 'json')

    }

    async call(method: string, url: URL, headers: Headers = {}, params: Payload = {}, responseType = 'json'): Promise<any> {
        method = method.toUpperCase();

        headers = Object.assign({}, this.headers, headers);
        headers.Origin = `appwrite-${Platform.OS}://${this.config.platform}`

        let options: RequestInit = {
            method,
            headers,
        };

        if (headers['X-Appwrite-Dev-Key'] === undefined) {
            options.credentials = 'include';
        }

        if (method === 'GET') {
            for (const [key, value] of Object.entries(Service.flatten(params))) {
                url.searchParams.append(key, value);
            }
        } else {
            switch (headers['content-type']) {
                case 'application/json':
                    options.body = JSONbig.stringify(params);
                    break;

                case 'multipart/form-data':
                    let formData = new FormData();

                    for (const key in params) {
                        if (Array.isArray(params[key])) {
                            params[key].forEach((value: any) => {
                                formData.append(key + '[]', value);
                            })
                        } else {
                            formData.append(key, params[key]);
                        }
                    }

                    options.body = formData;
                    delete headers['content-type'];
                    break;
            }
        }

        try {
            let data = null;

            const response = await fetch(url.toString(), options);

            const warnings = response.headers.get('x-appwrite-warning');
            if (warnings) {
                warnings.split(';').forEach((warning: string) => console.warn('Warning: ' + warning));
            }

            if (response.headers.get('content-type')?.includes('application/json')) {
                data = JSONbig.parse(await response.text());
            } else if (responseType === 'arrayBuffer') {
                data = await response.arrayBuffer();