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Website : rimsha.abasa.com

: / var / canvas / node_modules / unist-util-visit /

Filename : index.js

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'use strict'

module.exports = visit

var visitParents = require('unist-util-visit-parents')

var CONTINUE = visitParents.CONTINUE
var SKIP = visitParents.SKIP
var EXIT = visitParents.EXIT

visit.CONTINUE = CONTINUE
visit.SKIP = SKIP
visit.EXIT = EXIT

function visit(tree, test, visitor, reverse) {
  if (typeof test === 'function' && typeof visitor !== 'function') {
    reverse = visitor
    visitor = test
    test = null
  }

  visitParents(tree, test, overload, reverse)

  function overload(node, parents) {
    var parent = parents[parents.length - 1]
    var index = parent ? parent.children.indexOf(node) : null
    return visitor(node, index, parent)
  }
}