@aziontech/opennextjs-azion
Version:
Azion builder for Next.js apps
96 lines (95 loc) • 3.53 kB
JavaScript
/**
* This code was originally copied and modified from the @opennextjs/cloudflare repository.
* Significant changes have been made to adapt it for use with Azion.
*/
/**
* Inline `loadManifest` as it relies on `readFileSync` that is not supported by workerd.
*/
import { readFile } from "node:fs/promises";
import { join, posix, relative, sep } from "node:path";
import { getPackagePath } from "@opennextjs/aws/build/helper.js";
import { patchCode } from "@opennextjs/aws/build/patch/astCodePatcher.js";
import { getCrossPlatformPathRegex } from "@opennextjs/aws/utils/regex.js";
import { glob } from "glob";
import { normalizePath } from "../../utils/normalize-path.js";
export function inlineLoadManifest(updater, buildOpts) {
return updater.updateContent("inline-load-manifest", [
{
filter: getCrossPlatformPathRegex(String.raw `/next/dist/server/load-manifest(\.external)?\.js$`, {
escape: false,
}),
contentFilter: /function loadManifest\(/,
callback: async ({ contents }) => {
contents = await patchCode(contents, await getLoadManifestRule(buildOpts));
contents = await patchCode(contents, await getEvalManifestRule(buildOpts));
return contents;
},
},
]);
}
async function getLoadManifestRule(buildOpts) {
const { outputDir } = buildOpts;
const baseDir = join(outputDir, "server-functions/default", getPackagePath(buildOpts));
const dotNextDir = join(baseDir, ".next");
const manifests = await glob(join(dotNextDir, "**/{*-manifest,required-server-files}.json"), {
windowsPathsNoEscape: true,
});
const returnManifests = (await Promise.all(manifests.map(async (manifest) => `
if ($PATH.endsWith("${normalizePath("/" + relative(dotNextDir, manifest))}")) {
return ${await readFile(manifest, "utf-8")};
}`))).join("\n");
return {
rule: {
pattern: `
function loadManifest($PATH, $$$ARGS) {
$$$_
}`,
},
fix: `
function loadManifest($PATH, $$$ARGS) {
$PATH = $PATH.replaceAll(${JSON.stringify(sep)}, ${JSON.stringify(posix.sep)});
if ($PATH.endsWith(".next/BUILD_ID")) {
return process.env.NEXT_BUILD_ID;
}
${returnManifests}
throw new Error(\`Unexpected loadManifest(\${$PATH}) call!\`);
}`,
};
}
async function getEvalManifestRule(buildOpts) {
const { outputDir } = buildOpts;
const baseDir = join(outputDir, "server-functions/default", getPackagePath(buildOpts), ".next");
const appDir = join(baseDir, "server/app");
const manifests = await glob(join(baseDir, "**/*_client-reference-manifest.js"), {
windowsPathsNoEscape: true,
});
const returnManifests = manifests
.map((manifest) => {
const endsWith = normalizePath(relative(baseDir, manifest));
const key = normalizePath("/" + relative(appDir, manifest)).replace("_client-reference-manifest.js", "");
return `
if ($PATH.endsWith("${endsWith}")) {
require(${JSON.stringify(manifest)});
return {
__RSC_MANIFEST: {
"${key}": globalThis.__RSC_MANIFEST["${key}"],
},
};
}`;
})
.join("\n");
return {
rule: {
pattern: `
function evalManifest($PATH, $$$ARGS) {
$$$_
}`,
},
fix: `
function evalManifest($PATH, $$$ARGS) {
$PATH = $PATH.replaceAll(${JSON.stringify(sep)}, ${JSON.stringify(posix.sep)});
${returnManifests}
throw new Error(\`Unexpected evalManifest(\${$PATH}) call!\`);
}`,
};
}