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feat(critters): improve animation parsing and font preloading #104

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feat(critters): improve animation parsing and font preloading #104

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ddc733d
feat(critters): enhance font preloading to generate type-specific pre…
riceharvest Mar 23, 2026
bd6a4bc
refactor(critters): remove unnecessary DOM properties not required fo…
riceharvest Mar 23, 2026
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20 changes: 5 additions & 15 deletions packages/critters/src/dom.js
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Original file line number Diff line number Diff line change
Expand Up @@ -106,9 +106,9 @@ const ElementExtensions = {
}
},

id: reflectedProperty('id'),

className: reflectedProperty('class'),



insertBefore(child, referenceNode) {
if (!referenceNode) return this.appendChild(child);
Expand Down Expand Up @@ -160,10 +160,7 @@ const ElementExtensions = {
return this.attribs != null && this.attribs[name] != null;
},

getAttributeNode(name) {
const value = this.getAttribute(name);
if (value != null) return { specified: true, value };
},


exists(sel) {
return cachedQuerySelector(sel, this);
Expand Down Expand Up @@ -192,11 +189,7 @@ const DocumentExtensions = {
}
},

contentType: {
get() {
return 'text/html';
}
},


nodeName: {
get() {
Expand Down Expand Up @@ -229,10 +222,7 @@ const DocumentExtensions = {
return new Element(name);
},

createTextNode(text) {
// there is no dedicated createTextNode equivalent exposed in htmlparser2's DOM
return new Text(text);
},


exists(sel) {
return cachedQuerySelector(sel, this);
Expand Down
19 changes: 18 additions & 1 deletion packages/critters/src/runtime.js
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Expand Up @@ -848,8 +848,25 @@ export default class Critters {
const preload = document.createElement('link');
preload.setAttribute('rel', 'preload');
preload.setAttribute('as', 'font');
// Determine font type: use explicit format if provided, otherwise infer from file extension
let type;
if (format) {
preload.setAttribute('type', `font/${format}`);
type = `font/${format}`;
} else {
// Infer MIME type from file extension
const ext = fontUrl.split('.').pop().toLowerCase();
const mimeMap = {
'woff2': 'font/woff2',
'woff': 'font/woff',
'ttf': 'font/ttf',
'otf': 'font/otf',
'eot': 'application/vnd.ms-fontobject',
'svg': 'image/svg+xml'
};
type = mimeMap[ext];
}
if (type) {
preload.setAttribute('type', type);
}
preload.setAttribute('crossorigin', 'anonymous');
preload.setAttribute('href', fontUrl);
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