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import os from 'os'
import path from 'path'
import fs from 'fs'
// 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
export function getCacheDirectory(fileDirectory: string, envPath?: string) {
let result
if (envPath) {
result = envPath
} 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 un-handled platform
if (!systemCacheDirectory) {
for (const dir of [
path.join(os.homedir(), '.cache'),
path.join(os.tmpdir()),
]) {
if (fs.existsSync(dir)) {
systemCacheDirectory = dir
break
}
}
}
if (!systemCacheDirectory) {
console.error(new Error('Unsupported platform: ' + process.platform))
process.exit(0)
}
}
result = path.join(systemCacheDirectory, fileDirectory)
}
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
}
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