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author | 2020-11-16 00:10:28 +0100 | |
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committer | 2020-11-16 00:10:28 +0100 | |
commit | e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d (patch) | |
tree | 55713f725f77b44ebfec86e4eec3ce33e71458ca /node_modules/infer-owner/README.md | |
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api, login, auth
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-rw-r--r-- | node_modules/infer-owner/README.md | 41 |
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diff --git a/node_modules/infer-owner/README.md b/node_modules/infer-owner/README.md new file mode 100644 index 0000000..146caf7 --- /dev/null +++ b/node_modules/infer-owner/README.md @@ -0,0 +1,41 @@ +# infer-owner + +Infer the owner of a path based on the owner of its nearest existing parent + +## USAGE + +```js +const inferOwner = require('infer-owner') + +inferOwner('/some/cache/folder/file').then(owner => { + // owner is {uid, gid} that should be attached to + // the /some/cache/folder/file, based on ownership + // of /some/cache/folder, /some/cache, /some, or /, + // whichever is the first to exist +}) + +// same, but not async +const owner = inferOwner.sync('/some/cache/folder/file') + +// results are cached! to reset the cache (eg, to change +// permissions for whatever reason), do this: +inferOwner.clearCache() +``` + +This module endeavors to be as performant as possible. Parallel requests +for ownership of the same path will only stat the directories one time. + +## API + +* `inferOwner(path) -> Promise<{ uid, gid }>` + + If the path exists, return its uid and gid. If it does not, look to + its parent, then its grandparent, and so on. + +* `inferOwner(path) -> { uid, gid }` + + Sync form of `inferOwner(path)`. + +* `inferOwner.clearCache()` + + Delete all cached ownership information and in-flight tracking. |