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A turndown.js inspired HTML to Markdown converter for Rust

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HTMD

crates.io version

An HTML to Markdown converter for Rust, inspired by turndown.js.

Features

  • Rich options, same as turndown.js
  • Reliable, it passes all test cases of turndown.js
  • Minimum dependencies, it uses only html5ever
  • Fast, it takes less than 200ms to convert a ~1.4MB Wikipedia page on an i5 7th gen CPU

Usages

Add the dependency

htmd = "0.1"

Basic

use htmd::HtmlToMarkdown;

fn main() {
    assert_eq!("# Heading", HtmlToMarkdown::new().convert("<h1>Heading</h1>").unwrap());
}

Skip tags

use htmd::HtmlToMarkdown;

let converter = HtmlToMarkdown::builder()
    .skip_tags(vec!["script", "style"])
    .build();
assert_eq!("", converter.convert("<script>let x = 0;</script>").unwrap());

Options

use htmd::{options::Options, HtmlToMarkdown};

let converter = HtmlToMarkdown::builder()
    .options(Options {
        heading_style: htmd::options::HeadingStyle::Setex,
        ..Default::default()
    })
    .build();
assert_eq!("Heading\n=======", converter.convert("<h1>Heading</h1>").unwrap());

Custom tag handlers

use htmd::HtmlToMarkdown;

let converter = HtmlToMarkdown::builder()
    .add_handler(vec!["svg"], |_: Element| Some("[Svg Image]".to_string()))
    .build();
assert_eq!("[Svg Image]", converter.convert("<svg></svg>").unwrap());

Credits

License

Copyright 2024 letmutex

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http:https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

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A turndown.js inspired HTML to Markdown converter for Rust

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  • Rust 59.5%
  • HTML 40.5%