Package Exports
- unist-util-visit
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Readme
unist-util-visit 
Unist node visitor. Useful when working with mdast or retext.
Installation
npm:
npm install unist-util-visitunist-util-visit is also available for bower, component, and duo, and as an AMD, CommonJS, and globals module, uncompressed and compressed.
Usage
var mdast = require('mdast');
var visit = require('unist-util-visit');
mdast().use(function (ast) {
visit(ast, 'text', console.log.bind(console));
}).process('Some *emphasis*, **strongness**, and `code`.');Yields:
{'type': 'text', 'value': 'Some '}
{'type': 'text', 'value': 'emphasis'}
{'type': 'text', 'value': ', '}
{'type': 'text', 'value': 'strongness'}
{'type': 'text', 'value': ', and '}
{'type': 'text', 'value': '.'}API
visit(node[, type], callback[, reverse])
visitis synchronous.
Visit nodes. Optionally by node type. Optionally in reverse.
node(Node) — Unist node;type(string, optional) — Optional node type to invokecallbackfor. By default, all nodes are visited.callback(function(node, index?, parent?)) — Callback invoked when a node (matchingtype?) is found. Invoked with the node, itsindexinparent(ornull), and itsparent(ornull).Can return
falseto immediately stop checking.reverse(boolean, default:false, optional) — When falsey, checking starts at the first child and continues through to later children. When truthy, this is reversed.This does not mean checking starts at the deepest node and continues on to the highest node.