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Filename : default-tmp.js
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// The default temporary folder location for use in the windows algorithm.
// It's TEMPting to use dirname(path), since that's guaranteed to be on the
// same device.  However, this means that:
// rimraf(path).then(() => rimraf(dirname(path)))
// will often fail with EBUSY, because the parent dir contains
// marked-for-deletion directory entries (which do not show up in readdir).
// The approach here is to use os.tmpdir() if it's on the same drive letter,
// or resolve(path, '\\temp') if it exists, or the root of the drive if not.
// On Posix (not that you'd be likely to use the windows algorithm there),
// it uses os.tmpdir() always.
import { tmpdir } from 'os';
import { parse, resolve } from 'path';
import { promises, statSync } from './fs.js';
import platform from './platform.js';
const { stat } = promises;
const isDirSync = (path) => {
    try {
        return statSync(path).isDirectory();
    }
    catch (er) {
        return false;
    }
};
const isDir = (path) => stat(path).then(st => st.isDirectory(), () => false);
const win32DefaultTmp = async (path) => {
    const { root } = parse(path);
    const tmp = tmpdir();
    const { root: tmpRoot } = parse(tmp);
    if (root.toLowerCase() === tmpRoot.toLowerCase()) {
        return tmp;
    }
    const driveTmp = resolve(root, '/temp');
    if (await isDir(driveTmp)) {
        return driveTmp;
    }
    return root;
};
const win32DefaultTmpSync = (path) => {
    const { root } = parse(path);
    const tmp = tmpdir();
    const { root: tmpRoot } = parse(tmp);
    if (root.toLowerCase() === tmpRoot.toLowerCase()) {
        return tmp;
    }
    const driveTmp = resolve(root, '/temp');
    if (isDirSync(driveTmp)) {
        return driveTmp;
    }
    return root;
};
const posixDefaultTmp = async () => tmpdir();
const posixDefaultTmpSync = () => tmpdir();
export const defaultTmp = platform === 'win32' ? win32DefaultTmp : posixDefaultTmp;
export const defaultTmpSync = platform === 'win32' ? win32DefaultTmpSync : posixDefaultTmpSync;
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