vfile-location

Convert between positional (line and column-based) and offsets (range-based) locations in a virtual file.

Install

npm install vfile-location

Use

var vfile = require('vfile')
var vfileLocation = require('vfile-location')

var location = vfileLocation(vfile('foo\nbar\nbaz'))

var offset = location.toOffset({line: 3, column: 3}) // => 10
location.toPoint(offset) // => {line: 3, column: 3, offset: 10}

API

`location = vfileLocation(doc)`

Get transform functions for the given doc (string) or file.

Returns an object with toOffset and toPoint.

`location.toOffset(point)`

Get the offset (number) for a line and column-based point in the bound file. Returns -1 when given invalid or out of bounds input.

`location.toPoint(offset)`

Get the line and column-based point for offset in the bound file.

Contribute

See contributing.md in vfile/.github for ways to get started. See support.md for ways to get help.

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vfile-location

Install

Use

API

`location = vfileLocation(doc)`

`location.toOffset(point)`

`location.toPoint(offset)`

Contribute

License

Current Tags

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