How to use the @actions/tool-cache.HTTPError function in @actions/tool-cache
To help you get started, we’ve selected a few @actions/tool-cache examples, based on popular ways it is used in public projects.
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actions / setup-node / src / installer.ts View on Github 
let tempDownloadFolder: string =
'temp_' + Math.floor(Math.random() * 2000000000);
let tempDir: string = path.join(tempDirectory, tempDownloadFolder);
await io.mkdirP(tempDir);
let exeUrl: string;
let libUrl: string;
try {
exeUrl = `https://nodejs.org/dist/v${version}/win-${os.arch()}/node.exe`;
libUrl = `https://nodejs.org/dist/v${version}/win-${os.arch()}/node.lib`;
const exePath = await tc.downloadTool(exeUrl);
await io.cp(exePath, path.join(tempDir, 'node.exe'));
const libPath = await tc.downloadTool(libUrl);
await io.cp(libPath, path.join(tempDir, 'node.lib'));
} catch (err) {
if (err instanceof tc.HTTPError && err.httpStatusCode == 404) {
exeUrl = `https://nodejs.org/dist/v${version}/node.exe`;
libUrl = `https://nodejs.org/dist/v${version}/node.lib`;
const exePath = await tc.downloadTool(exeUrl);
await io.cp(exePath, path.join(tempDir, 'node.exe'));
const libPath = await tc.downloadTool(libUrl);
await io.cp(libPath, path.join(tempDir, 'node.lib'));
} else {
throw err;
}
}
return await tc.cacheDir(tempDir, 'node', version);
}
