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mdast-util-find-and-replace

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mdast-util-find-and-replace

mdast utility to find and replace text in a tree


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Weekly downloads
3.6M
decreased by-6.96%
Maintainers
2
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What is mdast-util-find-and-replace?

The mdast-util-find-and-replace npm package is a utility for finding and replacing text or patterns in Markdown Abstract Syntax Trees (MDAST). It is particularly useful for manipulating Markdown documents programmatically, allowing developers to automate content updates, apply transformations, and enhance Markdown processing workflows.

What are mdast-util-find-and-replace's main functionalities?

Text Replacement

This feature allows you to replace specific text in the MDAST. In the provided code, 'world' is replaced with 'universe' within the text node of a paragraph.

const u = require('unist-builder');
const findAndReplace = require('mdast-util-find-and-replace');

const tree = u('paragraph', [
  u('text', 'Hello world!')
]);

findAndReplace(tree, {'world': 'universe'});

console.log(tree);

Pattern Replacement with Callback

This feature allows replacing patterns using regular expressions. In the example, occurrences of 'example.com' are turned into clickable links.

const u = require('unist-builder');
const findAndReplace = require('mdast-util-find-and-replace');

const tree = u('paragraph', [
  u('text', 'Visit example.com for more info.')
]);

findAndReplace(tree, /example\.com/g, (match) => {
  return {
    type: 'link',
    url: 'http://example.com',
    children: [{type: 'text', value: match}]
  };
});

console.log(tree);

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Package last updated on 21 Sep 2023

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