unist-util-position-from-estree
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    1.1.1 • Public • Published

    unist-util-position-from-estree

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    unist utility to get a position from an estree node.

    Install

    This package is ESM only: Node 12+ is needed to use it and it must be imported instead of required.

    npm:

    npm install unist-util-position-from-estree

    Use

    import {parse} from 'acorn'
    import {positionFromEstree} from 'unist-util-position-from-estree'
    
    // Make acorn support line/column.
    const node = parse('function x() { console.log(1) }', {
      ecmaVersion: 2020,
      locations: true
    })
    
    console.log(positionFromEstree(node)) // `Program`
    console.log(positionFromEstree(node.body[0].id)) // `x`
    console.log(positionFromEstree(node.body[0].body.body[0].expression)) // Call

    Yields:

    {
      start: {line: 1, column: 1, offset: 0},
      end: {line: 1, column: 32, offset: 31}
    }
    {
      start: {line: 1, column: 10, offset: 9},
      end: {line: 1, column: 11, offset: 10}
    }
    {
      start: {line: 1, column: 16, offset: 15},
      end: {line: 1, column: 30, offset: 29}
    }

    API

    This package exports the following identifiers: positionFromEstree. There is no default export.

    positionFromEstree(node)

    Given a node, returns a position.

    Related

    Contribute

    See contributing.md in syntax-tree/.github for ways to get started. See support.md for ways to get help.

    This project has a code of conduct. By interacting with this repository, organization, or community you agree to abide by its terms.

    License

    MIT © Titus Wormer

    Install

    npm i unist-util-position-from-estree

    DownloadsWeekly Downloads

    380,570

    Version

    1.1.1

    License

    MIT

    Unpacked Size

    9.93 kB

    Total Files

    5

    Last publish

    Collaborators

    • wooorm
    • kmck