`map-file`

Map a file into another file in Node.js

npm install map-file

API

from is the reading filename
- supports relative or absolute
to is the writing filename
- supports relative or absolute
- makes nonexistent directories via fs.mkdir
map is the function you use to map the content
- default returns the original text
callback is a function to call after mapping
- default throws errors and logs success

const mapFile = require("map-file")

mapFile({
  from: "original.css",
  to: "copy.css",
})

mapFile({
  from: "example.css",
  to: "example.css",
  map: text => text.trim(),
})

mapFile({
  from: "full.md",
  to: "summary.md",
  map: text => text.slice(0, 200),
})

mapFile({
  from: "source.txt",
  to: "target.txt",
  map: text => text,
}, err => {
  if (err) throw err
  // ...
})