securityos/node_modules/next/dist/esm/server/app-render/get-layer-assets.js

56 lines
3.0 KiB
JavaScript

import React from "react";
import { getCssInlinedLinkTags } from "./get-css-inlined-link-tags";
import { getPreloadableFonts } from "./get-preloadable-fonts";
import { getAssetQueryString } from "./get-asset-query-string";
export function getLayerAssets({ ctx, layoutOrPagePath, injectedCSS: injectedCSSWithCurrentLayout, injectedFontPreloadTags: injectedFontPreloadTagsWithCurrentLayout }) {
const stylesheets = layoutOrPagePath ? getCssInlinedLinkTags(ctx.clientReferenceManifest, layoutOrPagePath, injectedCSSWithCurrentLayout, true) : [];
const preloadedFontFiles = layoutOrPagePath ? getPreloadableFonts(ctx.renderOpts.nextFontManifest, layoutOrPagePath, injectedFontPreloadTagsWithCurrentLayout) : null;
if (preloadedFontFiles) {
if (preloadedFontFiles.length) {
for(let i = 0; i < preloadedFontFiles.length; i++){
const fontFilename = preloadedFontFiles[i];
const ext = /\.(woff|woff2|eot|ttf|otf)$/.exec(fontFilename)[1];
const type = `font/${ext}`;
const href = `${ctx.assetPrefix}/_next/${fontFilename}`;
ctx.componentMod.preloadFont(href, type, ctx.renderOpts.crossOrigin);
}
} else {
try {
let url = new URL(ctx.assetPrefix);
ctx.componentMod.preconnect(url.origin, "anonymous");
} catch (error) {
// assetPrefix must not be a fully qualified domain name. We assume
// we should preconnect to same origin instead
ctx.componentMod.preconnect("/", "anonymous");
}
}
}
const styles = stylesheets ? stylesheets.map((href, index)=>{
// In dev, Safari and Firefox will cache the resource during HMR:
// - https://github.com/vercel/next.js/issues/5860
// - https://bugs.webkit.org/show_bug.cgi?id=187726
// Because of this, we add a `?v=` query to bypass the cache during
// development. We need to also make sure that the number is always
// increasing.
const fullHref = `${ctx.assetPrefix}/_next/${href}${getAssetQueryString(ctx, true)}`;
// `Precedence` is an opt-in signal for React to handle resource
// loading and deduplication, etc. It's also used as the key to sort
// resources so they will be injected in the correct order.
// During HMR, it's critical to use different `precedence` values
// for different stylesheets, so their order will be kept.
// https://github.com/facebook/react/pull/25060
const precedence = process.env.NODE_ENV === "development" ? "next_" + href : "next";
ctx.componentMod.preloadStyle(fullHref, ctx.renderOpts.crossOrigin);
return /*#__PURE__*/ React.createElement("link", {
rel: "stylesheet",
href: fullHref,
// @ts-ignore
precedence: precedence,
crossOrigin: ctx.renderOpts.crossOrigin,
key: index
});
}) : null;
return styles;
}
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