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# move-concurrently
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Move files and directories.
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```
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const move = require('move-concurrently')
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move('/path/to/thing', '/new/path/thing').then(() => {
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// thing is now moved!
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}).catch(err => {
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// oh no!
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})
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```
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Uses `rename` to move things as fast as possible.
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If you `move` across devices or on filesystems that don't support renaming
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large directories. That is, situations that result in `rename` returning
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the `EXDEV` error, then `move` will fallback to copy + delete.
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When recursively copying directories it will first try to rename the
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contents before falling back to copying. While this will be slightly slower
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in true cross-device scenarios, it is MUCH faster in cases where the
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filesystem can't handle directory renames.
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When copying ownership is maintained when running as root. Permissions are
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always maintained. On Windows, if symlinks are unavailable then junctions
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will be used.
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## INTERFACE
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### move(from, to, options) → Promise
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Recursively moves `from` to `to` and resolves its promise when finished.
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If `to` already exists then the promise will be rejected with an `EEXIST`
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error.
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Starts by trying to rename `from` to `to`.
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Options are:
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* maxConcurrency – (Default: `1`) The maximum number of concurrent copies to do at once.
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* isWindows - (Default: `process.platform === 'win32'`) If true enables Windows symlink semantics. This requires
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an extra `stat` to determine if the destination of a symlink is a file or directory. If symlinking a directory
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fails then we'll try making a junction instead.
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Options can also include dependency injection:
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* Promise - (Default: `global.Promise`) The promise implementation to use, defaults to Node's.
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* fs - (Default: `require('fs')`) The filesystem module to use. Can be used
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to use `graceful-fs` or to inject a mock.
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* writeStreamAtomic - (Default: `require('fs-write-stream-atomic')`) The
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implementation of `writeStreamAtomic` to use. Used to inject a mock.
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* getuid - (Default: `process.getuid`) A function that returns the current UID. Used to inject a mock.
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