@storybook/addon-a11y/dist/preview.mjs

Test component compliance with web accessibility standards

import { expect } from '@storybook/test';
import { addons } from 'storybook/internal/preview-api';
import { global } from '@storybook/global';

var ADDON_ID="storybook/a11y";var RESULT=`${ADDON_ID}/result`,REQUEST=`${ADDON_ID}/request`,RUNNING=`${ADDON_ID}/running`,ERROR=`${ADDON_ID}/error`,MANUAL=`${ADDON_ID}/manual`;var EVENTS={RESULT,REQUEST,RUNNING,ERROR,MANUAL};var{document}=global,channel=addons.getChannel(),defaultParameters={config:{},options:{}},disabledRules=["region"],queue=[],isRunning=!1,runNext=async()=>{if(queue.length===0){isRunning=!1;return}isRunning=!0;let next=queue.shift();next&&await next(),runNext();},run=async(input=defaultParameters)=>{let{default:axe}=await import('axe-core'),{element="body",config={},options={}}=input,htmlElement=document.querySelector(element)??document.body;if(!htmlElement)return;axe.reset();let configWithDefault={...config,rules:[...disabledRules.map(id=>({id,enabled:!1})),...config?.rules??[]]};return axe.configure(configWithDefault),new Promise((resolve,reject)=>{let task=async()=>{try{let result=await axe.run(htmlElement,options);resolve(result);}catch(error){reject(error);}};queue.push(task),isRunning||runNext();})};channel.on(EVENTS.MANUAL,async(storyId,input=defaultParameters)=>{try{let result=await run(input),resultJson=JSON.parse(JSON.stringify(result));channel.emit(EVENTS.RESULT,resultJson,storyId);}catch(error){channel.emit(EVENTS.ERROR,error);}});function getIsVitestStandaloneRun(){try{return import.meta.env.VITEST_STORYBOOK==="false"}catch{return !1}}var vitestMatchersExtended=!1,experimental_afterEach=async({reporting,parameters:parameters2,globals})=>{let a11yParameter=parameters2.a11y,a11yGlobals=globals.a11y,shouldRunEnvironmentIndependent=a11yParameter?.manual!==!0&&a11yParameter?.disable!==!0&&a11yParameter?.test!=="off"&&a11yGlobals?.manual!==!0,getMode=()=>{switch(a11yParameter?.test){case"todo":return "warning";case"error":default:return "failed"}};if(shouldRunEnvironmentIndependent)try{let result=await run(a11yParameter);if(result){let hasViolations=(result?.violations.length??0)>0;if(reporting.addReport({type:"a11y",version:1,result,status:hasViolations?getMode():"passed"}),getIsVitestStandaloneRun()&&hasViolations&&getMode()==="failed"){if(!vitestMatchersExtended){let{toHaveNoViolations}=await import('./matchers-7Z3WT2CE.mjs');expect.extend({toHaveNoViolations}),vitestMatchersExtended=!0;}expect(result).toHaveNoViolations();}}}catch(e){if(reporting.addReport({type:"a11y",version:1,result:{error:e},status:"failed"}),getIsVitestStandaloneRun())throw e}},initialGlobals={a11y:{manual:!1}},parameters={a11y:{test:"todo"}};

export { experimental_afterEach, initialGlobals, parameters };