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A simple Markdown parser for Dart. Create your own custom Markdown syntax. package GitHub repository

Markdown #

A simple-setup Markdown syntax parser for Dart. Create your own custom Markdown syntax.

Features #

  • Simple Markdown syntax setup
  • Generic Markdown-base for any use-case
  • Apply the Markdown to any text
  • Attach placeholders to modify the input

Getting started #

Install it using pub:

dart pub add marked

And import the package:

import 'package:marked/marked.dart';

Usage #

Create a Markdown instance with all the placeholders you want to use.

Then, use the apply method to parse the Markdown syntax.

import 'package:marked/marked.dart';

final markdown ={
  '**': (text, match) => '<b>$text</b>',
  '*': (text, match) => '<i>$text</i>',
  '__': (text, match) => '<u>$text</u>',

void main() {
      Hello **World**!
      __Looks *pretty* easy__

  // Output:
  //   Hello <b>World</b>!
  //   <u>Looks <i>pretty</i> easy</u>

Placeholders #

Placeholders are modular elements that can be used to create a Markdown syntax. They are used to replace a specific part of the text that matches a pattern.

MarkdownPlaceholder(RegExp(r'\*\*(.*?)\*\*'), (text, match) => '<b>$text</b>');

To make it easier to create placeholders, there are some predefined methods:

MarkdownPlaceholder.enclosed('**', (text, match) => '<b>$text</b>');
// Hello **World**! -> Hello <b>World</b>!

MarkdownPlaceholder.tag('strong', (text, match) => '<b>$text</b>');
// Hello <strong>World</strong>! -> Hello <b>World</b>!

MarkdownPlaceholder.regexp(r'\*\*(.*?)\*\*', (text, match) => '<b>$text</b>');
// Hello **World**! -> Hello <b>World</b>!

Escaping #

To escape a placeholder, you can use the \ character. You may also escape the escape character, instances of \\ will be replaced with \, since they are escaped.

final markdown ={ ... }, escape: r'\');

    Hello **World**!
    Hello \**World**!
    Hello \\**World**!

// Output:
//   Hello <b>World</b>!
//   Hello **World**!
//   Hello \<b>World</b>!

An input can be manually escaped and unescaped using the methods markdown.escape(input) and markdown.unescape(input).

Example #

import 'package:marked/marked.dart';

final htmlMarkdown = Markdown({
  MarkdownPlaceholder.enclosed('**', (text, match) => '<b>$text</b>'),
  MarkdownPlaceholder.enclosed('*', (text, match) => '<i>$text</i>'),
  MarkdownPlaceholder.enclosed('~~', (text, match) => '<strike>$text</strike>'),
  MarkdownPlaceholder.enclosed('`', (text, match) => '<code>$text</code>'),

void main() {
  print(htmlMarkdown.apply('HTML Markdown: **bold** *italic* ~~strike~~ `code`'));
  // [Output]
  //   HTML Markdown: <b>bold</b> <i>italic</i> <strike>strike</strike> <code>code</code>

More Examples:

pub points



A simple Markdown parser for Dart. Create your own custom Markdown syntax.

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