3 lines
5.2 KiB
JavaScript
3 lines
5.2 KiB
JavaScript
class FetchResponse{constructor(t){this.response=t}get statusCode(){return this.response.status}get redirected(){return this.response.redirected}get ok(){return this.response.ok}get unauthenticated(){return 401===this.statusCode}get unprocessableEntity(){return 422===this.statusCode}get authenticationURL(){return this.response.headers.get("WWW-Authenticate")}get contentType(){const t=this.response.headers.get("Content-Type")||"";return t.replace(/;.*$/,"")}get headers(){return this.response.headers}get html(){return this.contentType.match(/^(application|text)\/(html|xhtml\+xml)$/)?this.text:Promise.reject(new Error(`Expected an HTML response but got "${this.contentType}" instead`))}get json(){return this.contentType.match(/^application\/.*json$/)?this.responseJson||(this.responseJson=this.response.json()):Promise.reject(new Error(`Expected a JSON response but got "${this.contentType}" instead`))}get text(){return this.responseText||(this.responseText=this.response.text())}get isTurboStream(){return this.contentType.match(/^text\/vnd\.turbo-stream\.html/)}async renderTurboStream(){if(!this.isTurboStream)return Promise.reject(new Error(`Expected a Turbo Stream response but got "${this.contentType}" instead`));window.Turbo?await window.Turbo.renderStreamMessage(await this.text):console.warn("You must set `window.Turbo = Turbo` to automatically process Turbo Stream events with request.js")}}class RequestInterceptor{static register(t){this.interceptor=t}static get(){return this.interceptor}static reset(){this.interceptor=void 0}}function getCookie(t){const e=document.cookie?document.cookie.split("; "):[];const n=`${encodeURIComponent(t)}=`;const s=e.find((t=>t.startsWith(n)));if(s){const t=s.split("=").slice(1).join("=");if(t)return decodeURIComponent(t)}}function compact(t){const e={};for(const n in t){const s=t[n];void 0!==s&&(e[n]=s)}return e}function metaContent(t){const e=document.head.querySelector(`meta[name="${t}"]`);return e&&e.content}function stringEntriesFromFormData(t){return[...t].reduce(((t,[e,n])=>t.concat("string"===typeof n?[[e,n]]:[])),[])}function mergeEntries(t,e){for(const[n,s]of e)if(!(s instanceof window.File))if(t.has(n)&&!n.includes("[]")){t.delete(n);t.set(n,s)}else t.append(n,s)}class FetchRequest{constructor(t,e,n={}){this.method=t;this.options=n;this.originalUrl=e.toString()}async perform(){try{const t=RequestInterceptor.get();t&&await t(this)}catch(t){console.error(t)}const t=new FetchResponse(await window.fetch(this.url,this.fetchOptions));if(t.unauthenticated&&t.authenticationURL)return Promise.reject(window.location.href=t.authenticationURL);const e=t.ok||t.unprocessableEntity;e&&t.isTurboStream&&await t.renderTurboStream();return t}addHeader(t,e){const n=this.additionalHeaders;n[t]=e;this.options.headers=n}sameHostname(){if(!this.originalUrl.startsWith("http:"))return true;try{return new URL(this.originalUrl).hostname===window.location.hostname}catch(t){return true}}get fetchOptions(){return{method:this.method.toUpperCase(),headers:this.headers,body:this.formattedBody,signal:this.signal,credentials:this.credentials,redirect:this.redirect}}get headers(){const t={"X-Requested-With":"XMLHttpRequest","Content-Type":this.contentType,Accept:this.accept};this.sameHostname()&&(t["X-CSRF-Token"]=this.csrfToken);return compact(Object.assign(t,this.additionalHeaders))}get csrfToken(){return getCookie(metaContent("csrf-param"))||metaContent("csrf-token")}get contentType(){return this.options.contentType?this.options.contentType:null==this.body||this.body instanceof window.FormData?void 0:this.body instanceof window.File?this.body.type:"application/json"}get accept(){switch(this.responseKind){case"html":return"text/html, application/xhtml+xml";case"turbo-stream":return"text/vnd.turbo-stream.html, text/html, application/xhtml+xml";case"json":return"application/json, application/vnd.api+json";default:return"*/*"}}get body(){return this.options.body}get query(){const t=(this.originalUrl.split("?")[1]||"").split("#")[0];const e=new URLSearchParams(t);let n=this.options.query;n=n instanceof window.FormData?stringEntriesFromFormData(n):n instanceof window.URLSearchParams?n.entries():Object.entries(n||{});mergeEntries(e,n);const s=e.toString();return s.length>0?`?${s}`:""}get url(){return this.originalUrl.split("?")[0].split("#")[0]+this.query}get responseKind(){return this.options.responseKind||"html"}get signal(){return this.options.signal}get redirect(){return this.options.redirect||"follow"}get credentials(){return this.options.credentials||"same-origin"}get additionalHeaders(){return this.options.headers||{}}get formattedBody(){const t="[object String]"===Object.prototype.toString.call(this.body);const e="application/json"===this.headers["Content-Type"];return e&&!t?JSON.stringify(this.body):this.body}}async function get(t,e){const n=new FetchRequest("get",t,e);return n.perform()}async function post(t,e){const n=new FetchRequest("post",t,e);return n.perform()}async function put(t,e){const n=new FetchRequest("put",t,e);return n.perform()}async function patch(t,e){const n=new FetchRequest("patch",t,e);return n.perform()}async function destroy(t,e){const n=new FetchRequest("delete",t,e);return n.perform()}export{FetchRequest,FetchResponse,RequestInterceptor,destroy,get,patch,post,put};
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