index.js

// todo : encodeURIComponent usage?
// todo : https://github.com/Swizec/better-fetch implemntation
const castArray=a=>Array.isArray(a)?a:[a];
const prefix=p=>s=>p+s;
const join=(d=',')=>a=>castArray(a).join(d);
const mapN=a=>(...f)=>f.reduce((acc,v)=>acc.map(v),a);
const pca_join=(key,a)=>mapN(castArray(a))(join(),prefix(key+'='));
const push=(a,...v)=>{a.push(...v);return a;};
const query=(conditions) => '?'+Object.keys(conditions)
    .reduce((acc,key)=>
        push(acc,...dispatch(key,castArray(conditions[key])))
    ,[]).join('&');
const nonMultipleConditions=['include','exclude','page','size'];
const dispatch=(key, a)=>key==='join'
    ? pca_join(key,a)
    : nonMultipleConditions.indexOf(key)!==-1
        ? [key+"="+a.join(',')]
        : a.map(v=>{ // todo : should list the cases (first need to implement error system)
            return key+'='+(Array.isArray(v)?v.join(','):v)
        });
var index = (baseUrl, config={})=>{
    // todo headers Content-Type? application/json vs multipart/form-data ...
    const headers = {};
    const _config = (method, body)=>{
        let c= {
            method: method,
            ...config,
            headers: {
                ...headers,
                ...config.headers,
            }
        };
        // todo do manage array of FormData?
        if (body) c.body=body instanceof FormData ? body :JSON.stringify(body);
        return c;
    };
    const url=(parts)=>[baseUrl,...parts].join('/');
    const _fetch=(method,body, parts)=> {
        return fetch(url(parts), _config(method, body))
            .then(async response =>{
                const data=await response.json();
                return (response.status === 200 || response.ok)
                    ? Promise.resolve(data)
                    : Promise.reject(data);
            }).catch (e=>{
                return Promise.reject(e.code?e:{code:-1, message:e.message})
            });
    };
    const _readOrList=([part1,conditions])=>_fetch(
        'GET',
        null,
        ['records', ...part1].concat(conditions ? [query(conditions)] : [])
    );
    return {
        list:(table,conditions={})=>_readOrList([[table],conditions]),
        // todo : a read method without ids will be considered as a list operation by php-crud-api. JS error?
        read:(table,ids,conditions={})=>_readOrList(ids?[[table,join()(ids)],conditions]:[[table]]),
        create:(table,data)=>_fetch('POST',data,['records',table]),
        update:(table,idOrList,data)=>_fetch('PUT',data,['records',table,join()(idOrList)]),
        delete:(table,idOrList)=>_fetch('DELETE',null,['records',table,join()(idOrList)]),
        register:(username,password)=>_fetch('POST', {username,password},['register']),
        login:(username,password)=>_fetch('POST', {username,password},['login']),
        logout:()=>_fetch('POST',{},['logout']),
        password:(username, password, newPassword)=>_fetch('POST',{username, password, newPassword},['password']),
        me:()=>_fetch('GET',null,['me'])
        //,openapi:()=>_fetch('GET',null,['openapi'])
    };
};

export { index as default };