12 lines
1.1 KiB
JavaScript
12 lines
1.1 KiB
JavaScript
import { STORY_CHANGED } from 'storybook/internal/core-events';
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import { addons } from 'storybook/internal/preview-api';
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import { global } from '@storybook/global';
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var ADDON_ID="storybook/highlight",HIGHLIGHT_STYLE_ID="storybookHighlight",HIGHLIGHT=`${ADDON_ID}/add`,RESET_HIGHLIGHT=`${ADDON_ID}/reset`;var{document}=global,highlightStyle=(color="#FF4785",style="dashed")=>`
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outline: 2px ${style} ${color};
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outline-offset: 2px;
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box-shadow: 0 0 0 6px rgba(255,255,255,0.6);
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`,channel=addons.getChannel(),highlight=infos=>{let id=HIGHLIGHT_STYLE_ID;resetHighlight();let elements=Array.from(new Set(infos.elements)),sheet=document.createElement("style");sheet.setAttribute("id",id),sheet.innerHTML=elements.map(target=>`${target}{
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${highlightStyle(infos.color,infos.style)}
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}`).join(" "),document.head.appendChild(sheet);},resetHighlight=()=>{let id=HIGHLIGHT_STYLE_ID,sheetToBeRemoved=document.getElementById(id);sheetToBeRemoved&&sheetToBeRemoved.parentNode?.removeChild(sheetToBeRemoved);};channel.on(STORY_CHANGED,resetHighlight);channel.on(RESET_HIGHLIGHT,resetHighlight);channel.on(HIGHLIGHT,highlight);
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