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fs-mkdirp-stream

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Ensure directories exist before writing to them.

Usage

var to = require('to2');
var from = require('from2');
var mkdirpStream = require('fs-mkdirp-stream');

from
  .obj([{ dirname: '/path/to/my/', path: '/path/to/my/file.js' }])
  .pipe(
    mkdirpStream(function (obj, callback) {
      // callback can take 3 arguments (err, dirname, mode)
      callback(null, obj.dirname);
    })
  )
  .pipe(
    to.obj(function (obj) {
      // This will be called once the directory exists
      // obj === { dirname: '/path/to/my/', path: '/path/to/my/file.js' }
    })
  );

API

mkdirpStream(resolver)

Takes a resolver function or string and returns a streamx.Transform stream.

If the resolver is a function, it will be called once per chunk with the signature (chunk, callback). The callback(error, dirpath, mode) must be called with the dirpath to be created as the 2nd parameter or an error as the 1st parameter; optionally with a mode as the 3rd parameter.

If the resolver is a string, it will be created/ensured for each chunk (e.g. if it were deleted between chunks, it would be recreated). When using a string, a custom mode can't be used.

License

MIT

Contains a custom implementation of mkdirp originally based on https://github.com/substack/node-mkdirp (Licensed MIT/X11 - Copyright 2010 James Halliday) with heavy modification to better support custom modes.