@wordpress/components
Version:
UI components for WordPress.
123 lines (120 loc) • 3.48 kB
JavaScript
// packages/components/src/style-provider/index.tsx
import { CacheProvider } from "@emotion/react";
import createCache from "@emotion/cache";
import * as uuid from "uuid";
import { useLayoutEffect } from "@wordpress/element";
// packages/style-runtime/src/index.ts
var STYLE_HASH_ATTRIBUTE = "data-wp-hash";
function getRuntime() {
const globalScope = globalThis;
if (globalScope.__wpStyleRuntime) {
return globalScope.__wpStyleRuntime;
}
globalScope.__wpStyleRuntime = {
documents: /* @__PURE__ */ new Map(),
styles: /* @__PURE__ */ new Map(),
injectedStyles: /* @__PURE__ */ new WeakMap()
};
if (typeof document !== "undefined") {
registerDocument(document);
}
return globalScope.__wpStyleRuntime;
}
function documentContainsStyleHash(targetDocument, hash) {
if (!targetDocument.head) {
return false;
}
for (const style of targetDocument.head.querySelectorAll(`style[${STYLE_HASH_ATTRIBUTE}]`)) {
if (style.getAttribute(STYLE_HASH_ATTRIBUTE) === hash) {
return true;
}
}
return false;
}
function injectStyle(targetDocument, hash, css) {
if (!targetDocument.head) {
return;
}
const runtime = getRuntime();
let injectedStyles = runtime.injectedStyles.get(targetDocument);
if (!injectedStyles) {
injectedStyles = /* @__PURE__ */ new Set();
runtime.injectedStyles.set(targetDocument, injectedStyles);
}
if (injectedStyles.has(hash)) {
return;
}
if (documentContainsStyleHash(targetDocument, hash)) {
injectedStyles.add(hash);
return;
}
const style = targetDocument.createElement("style");
style.setAttribute(STYLE_HASH_ATTRIBUTE, hash);
style.appendChild(targetDocument.createTextNode(css));
targetDocument.head.appendChild(style);
injectedStyles.add(hash);
}
function registerDocument(targetDocument) {
const runtime = getRuntime();
runtime.documents.set(targetDocument, (runtime.documents.get(targetDocument) ?? 0) + 1);
for (const [hash, css] of runtime.styles) {
injectStyle(targetDocument, hash, css);
}
return () => {
const count = runtime.documents.get(targetDocument);
if (count === void 0) {
return;
}
if (count <= 1) {
runtime.documents.delete(targetDocument);
return;
}
runtime.documents.set(targetDocument, count - 1);
};
}
// packages/components/src/style-provider/index.tsx
import { jsx as _jsx } from "react/jsx-runtime";
var uuidCache = /* @__PURE__ */ new Set();
var containerCacheMap = /* @__PURE__ */ new WeakMap();
var memoizedCreateCacheWithContainer = (container) => {
if (containerCacheMap.has(container)) {
return containerCacheMap.get(container);
}
let key = uuid.v4().replace(/[0-9]/g, "");
while (uuidCache.has(key)) {
key = uuid.v4().replace(/[0-9]/g, "");
}
uuidCache.add(key);
const cache = createCache({
container,
key
});
containerCacheMap.set(container, cache);
return cache;
};
function StyleProvider(props) {
const {
children,
document: document2
} = props;
useLayoutEffect(() => {
if (!document2) {
return;
}
return registerDocument(document2);
}, [document2]);
if (!document2) {
return null;
}
const cache = memoizedCreateCacheWithContainer(document2.head);
return /* @__PURE__ */ _jsx(CacheProvider, {
value: cache,
children
});
}
var style_provider_default = StyleProvider;
export {
StyleProvider,
style_provider_default as default
};
//# sourceMappingURL=index.mjs.map