diff options
author | Gar <gar+gh@danger.computer> | 2021-08-26 21:20:59 +0300 |
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committer | Gar <gar+gh@danger.computer> | 2021-08-26 21:20:59 +0300 |
commit | e63a942c685233fa546788981ed9c144220d50e1 (patch) | |
tree | 4115e9ae913ad1b688c35711418a528184c9b337 /node_modules/@npmcli/fs/lib/with-temp-dir.js | |
parent | 7af36bb9f8e5c9facaa8deb114b76368841fbc66 (diff) |
cacache@15.3.0
* feat: introduce @npmcli/fs for tmp dir methods
Diffstat (limited to 'node_modules/@npmcli/fs/lib/with-temp-dir.js')
-rw-r--r-- | node_modules/@npmcli/fs/lib/with-temp-dir.js | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/node_modules/@npmcli/fs/lib/with-temp-dir.js b/node_modules/@npmcli/fs/lib/with-temp-dir.js new file mode 100644 index 000000000..353d5555d --- /dev/null +++ b/node_modules/@npmcli/fs/lib/with-temp-dir.js @@ -0,0 +1,39 @@ +const { join, sep } = require('path') + +const getOptions = require('./common/get-options.js') +const mkdir = require('./mkdir/index.js') +const mkdtemp = require('./mkdtemp.js') +const rm = require('./rm/index.js') + +// create a temp directory, ensure its permissions match its parent, then call +// the supplied function passing it the path to the directory. clean up after +// the function finishes, whether it throws or not +const withTempDir = async (root, fn, opts) => { + const options = getOptions(opts, { + copy: ['tmpPrefix'], + }) + // create the directory, and fix its ownership + await mkdir(root, { recursive: true, owner: 'inherit' }) + + const target = await mkdtemp(join(`${root}${sep}`, options.tmpPrefix || ''), { owner: 'inherit' }) + let err + let result + + try { + result = await fn(target) + } catch (_err) { + err = _err + } + + try { + await rm(target, { force: true, recursive: true }) + } catch (err) {} + + if (err) { + throw err + } + + return result +} + +module.exports = withTempDir |