Function request

helpers/http.js:109–186

( input, options = {} )

}

export async function request ( input, options = {} ) {
    const config = toRequestConfig( input, options )
    const {
        attempts = 1,
        cache,
        credentials,
        data,
        delayMs = 1000,
        headers: inputHeaders,
        method: inputMethod = 'GET',
        mode,
        redirect,
        responseType = 'json',
        signal,
        url
    } = config
    const method = inputMethod.toUpperCase()
    const headers = createHeaders( inputHeaders )

    let body
    if ( data !== undefined ) {
        body = JSON.stringify( data )

        if ( !headers.has( 'Accept' ) ) {
            headers.set( 'Accept', 'application/json' )
        }

        if ( !headers.has( 'Content-Type' ) ) {
            headers.set( 'Content-Type', 'application/json' )
        }
    }

    let lastError

    for ( let attempt = 1; attempt <= attempts; attempt += 1 ) {
        try {
            const response = await fetch( url, buildRequestInit({
                body,
                cache,
                credentials,
                headers,
                method,
                mode,
                redirect,
                signal
            }) )
            const responseData = await parseResponseBody( response, responseType )

            if ( !response.ok ) {
                throw new HttpError(
                    `${ method } ${ url } failed with status ${ response.status }`,
                    {
                        data: responseData,
                        method,
                        status: response.status,
                        statusText: response.statusText,
                        url
                    }