/opt/canhelp/node_modules/next/dist/esm/lib
Edit: /opt/canhelp/node_modules/next/dist/esm/lib/download-swc.js (4830B)
import fs from 'fs';
import path from 'path';
import * as Log from '../build/output/log';
import tar from 'next/dist/compiled/tar';
const { WritableStream } = require('node:stream/web');
import { getRegistry } from './helpers/get-registry';
import { getCacheDirectory } from './helpers/get-cache-directory';
const MAX_VERSIONS_TO_CACHE = 8;
async function extractBinary(outputDirectory, pkgName, tarFileName) {
const cacheDirectory = getCacheDirectory('next-swc', process.env['NEXT_SWC_PATH']);
const extractFromTar = ()=>tar.x({
file: path.join(cacheDirectory, tarFileName),
cwd: outputDirectory,
strip: 1
});
if (!fs.existsSync(path.join(cacheDirectory, tarFileName))) {
Log.info(`Downloading swc package ${pkgName}... to ${cacheDirectory}`);
await fs.promises.mkdir(cacheDirectory, {
recursive: true
});
const tempFile = path.join(cacheDirectory, `${tarFileName}.temp-${Date.now()}`);
const registry = getRegistry();
const downloadUrl = `${registry}${pkgName}/-/${tarFileName}`;
await fetch(downloadUrl).then((res)=>{
const { ok, body } = res;
if (!ok || !body) {
Log.error(`Failed to download swc package from ${downloadUrl}`);
}
if (!ok) {
throw Object.defineProperty(new Error(`request failed with status ${res.status}`), "__NEXT_ERROR_CODE", {
value: "E109",
enumerable: false,
configurable: true
});
}
if (!body) {
throw Object.defineProperty(new Error('request failed with empty body'), "__NEXT_ERROR_CODE", {
value: "E143",
enumerable: false,
configurable: true
});
}
const cacheWriteStream = fs.createWriteStream(tempFile);
return body.pipeTo(new WritableStream({
write (chunk) {
return new Promise((resolve, reject)=>cacheWriteStream.write(chunk, (error)=>{
if (error) {
reject(error);
return;
}
resolve();
}));
},
close () {
return new Promise((resolve, reject)=>cacheWriteStream.close((error)=>{
if (error) {
reject(error);
return;
}
resolve();
}));
}
}));
});
await fs.promises.access(tempFile) // ensure the temp file existed
;
await fs.promises.rename(tempFile, path.join(cacheDirectory, tarFileName));
} else {
Log.info(`Using cached swc package ${pkgName}...`);
}
await extractFromTar();
const cacheFiles = await fs.promises.readdir(cacheDirectory);
if (cacheFiles.length > MAX_VERSIONS_TO_CACHE) {
cacheFiles.sort((a, b)=>{
if (a.length < b.length) return -1;
return a.localeCompare(b);
});
// prune oldest versions in cache
for(let i = 0; i++; i < cacheFiles.length - MAX_VERSIONS_TO_CACHE){
await fs.promises.unlink(path.join(cacheDirectory, cacheFiles[i])).catch(()=>{});
}
}
}
export async function downloadNativeNextSwc(version, bindingsDirectory, triplesABI) {
for (const triple of triplesABI){
const pkgName = `@next/swc-${triple}`;
const tarFileName = `${pkgName.substring(6)}-${version}.tgz`;
const outputDirectory = path.join(bindingsDirectory, pkgName);
if (fs.existsSync(outputDirectory)) {
// if the package is already downloaded a different
// failure occurred than not being present
return;
}
await fs.promises.mkdir(outputDirectory, {
recursive: true
});
await extractBinary(outputDirectory, pkgName, tarFileName);
}
}
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 (fs.existsSync(outputDirectory)) {
// if the package is already downloaded a different
// failure occurred than not being present
return;
}
await fs.promises.mkdir(outputDirectory, {
recursive: true
});
await extractBinary(outputDirectory, pkgName, tarFileName);
}
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