Files
old-kitabcitab-frontend/kitabcitab/node_modules/next/dist/esm/lib/download-wasm-swc.js
2022-12-27 12:05:56 +01:00

112 lines
4.9 KiB
JavaScript

import os from "os";
import fs from "fs";
import path from "path";
import * as Log from "../build/output/log";
import { execSync } from "child_process";
import tar from "next/dist/compiled/tar";
import fetch from "next/dist/compiled/node-fetch";
import { fileExists } from "./file-exists";
const MAX_VERSIONS_TO_CACHE = 5;
export async function downloadWasmSwc(version, wasmDirectory, variant = "nodejs") {
const pkgName = `@next/swc-wasm-${variant}`;
const tarFileName = `${pkgName.substring(6)}-${version}.tgz`;
const outputDirectory = path.join(wasmDirectory, pkgName);
if (await fileExists(outputDirectory)) {
// if the package is already downloaded a different
// failure occurred than not being present
return;
}
// get platform specific cache directory adapted from playwright's handling
// https://github.com/microsoft/playwright/blob/7d924470d397975a74a19184c136b3573a974e13/packages/playwright-core/src/utils/registry.ts#L141
const cacheDirectory = await (async ()=>{
let result;
const envDefined = process.env["NEXT_SWC_PATH"];
if (envDefined) {
result = envDefined;
} else {
let systemCacheDirectory;
if (process.platform === "linux") {
systemCacheDirectory = process.env.XDG_CACHE_HOME || path.join(os.homedir(), ".cache");
} else if (process.platform === "darwin") {
systemCacheDirectory = path.join(os.homedir(), "Library", "Caches");
} else if (process.platform === "win32") {
systemCacheDirectory = process.env.LOCALAPPDATA || path.join(os.homedir(), "AppData", "Local");
} else {
/// Attempt to use generic tmp location for these platforms
if (process.platform === "freebsd" || process.platform === "android") {
for (const dir of [
path.join(os.homedir(), ".cache"),
path.join(os.tmpdir()),
]){
if (await fileExists(dir)) {
systemCacheDirectory = dir;
break;
}
}
}
if (!systemCacheDirectory) {
console.error(new Error("Unsupported platform: " + process.platform));
process.exit(0);
}
}
result = path.join(systemCacheDirectory, "next-swc");
}
if (!path.isAbsolute(result)) {
// It is important to resolve to the absolute path:
// - for unzipping to work correctly;
// - so that registry directory matches between installation and execution.
// INIT_CWD points to the root of `npm/yarn install` and is probably what
// the user meant when typing the relative path.
result = path.resolve(process.env["INIT_CWD"] || process.cwd(), result);
}
return result;
})();
await fs.promises.mkdir(outputDirectory, {
recursive: true
});
const extractFromTar = async ()=>{
await tar.x({
file: path.join(cacheDirectory, tarFileName),
cwd: outputDirectory,
strip: 1
});
};
if (!await fileExists(path.join(cacheDirectory, tarFileName))) {
Log.info("Downloading WASM swc package...");
await fs.promises.mkdir(cacheDirectory, {
recursive: true
});
const tempFile = path.join(cacheDirectory, `${tarFileName}.temp-${Date.now()}`);
let registry = `https://registry.npmjs.org/`;
try {
const output = execSync("npm config get registry").toString().trim();
if (output.startsWith("http")) {
registry = output.endsWith("/") ? output : `${output}/`;
}
} catch (_) {}
await fetch(`${registry}${pkgName}/-/${tarFileName}`).then((res)=>{
if (!res.ok) {
throw new Error(`request failed with status ${res.status}`);
}
const cacheWriteStream = fs.createWriteStream(tempFile);
return new Promise((resolve, reject)=>{
res.body.pipe(cacheWriteStream).on("error", (err)=>reject(err)).on("finish", ()=>resolve());
}).finally(()=>cacheWriteStream.close());
});
await fs.promises.rename(tempFile, path.join(cacheDirectory, tarFileName));
}
await extractFromTar();
const cacheFiles = await fs.promises.readdir(cacheDirectory);
if (cacheFiles.length > MAX_VERSIONS_TO_CACHE) {
cacheFiles.sort((a, b)=>{
if (a.length < b.length) return -1;
return a.localeCompare(b);
});
// prune oldest versions in cache
for(let i = 0; i++; i < cacheFiles.length - MAX_VERSIONS_TO_CACHE){
await fs.promises.unlink(path.join(cacheDirectory, cacheFiles[i])).catch(()=>{});
}
}
}
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