docmatter

2019-04-15 admin

docmatter是什么

什么是docmatter,Battle tested SSG front matter parser. Extracted from DocPad. Delimiter lines have 3+ of the same character (such as /*** and ***/) allowing front matters to work with the syntax highlighting of your code editor. Supports custom parsers, e.g. `— cso

docmatter使用教程帮助文档

docmatter

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Battle tested SSG front matter parser. Extracted from DocPad. Delimiter lines have 3+ of the same character (such as /*** and ***/) allowing front matters to work with the syntax highlighting of your code editor. Supports custom parsers, e.g. --- cson. Parsers are handled externally.

Install

npm

  • Install: npm install --save docmatter
  • Require: require('docmatter')

Editions

This package is published with the following editions:

  • docmatter aliases docmatter/index.js which uses Editions to automatically select the correct edition for the consumers environment
  • docmatter/source/index.coffee is coffeescript source code with require for modules
  • docmatter/edition-esnext/index.js is coffeescript compiled for node.js with require for modules
  • docmatter/edition-node-4/index.js is coffeescript compiled for node.js 4 with require for modules

Usage

docmatter is designed to be functional yet minimal, default parser as well as parsing of the headers are handled by you

const docmatter = require('docmatter')
const yamljs = require('yamljs')

function parse (input) {
    const matter = docmatter(input)

    // if no front matter: {content}
    if (!matter.header) return { content: matter.content.trim() }

    // if front matter: {delimiter, parser, header, body, content}
    let data = null
    switch (matter.parser) {
        case 'json':
            if (matter.header[0] === '{' && matter.header[matter.header.length - 1] === '}') {
                data = JSON.parse(matter.header)
            }
            else {
                data = JSON.parse(`{${matter.header}}`)
            }
            break;

        case 'yaml':
        default:
            data = yamljs.parse(
                matter.header.replace(/\t/g, '    ')  // YAML doesn't support tabs that well
            )
            break;
    }
    return { data, content: matter.body.trim() }
}

// no content and only front matter
console.log(parse(`
---
title: Hello World
---
`))
// => { data: { title: 'Hello World' }, content: '' }

// markdown content with default front matter
console.log(parse(`
---
title: Hello World
---

**hello world**
`))
// => { data: { title: 'Hello World' }, content: '**hello world**' }

// markdown content with json front matter
console.log(parse(`
--- json
"title": "Hello World"
---

**hello world**
`))
// => { data: { title: 'Hello World' }, content: '**hello world**' }

// markdown content with no front matter
console.log(parse(`
**hello world**
`))
// => { content: '**hello world**' }

// javascript content with default front matter
console.log(parse(`
/***
minify: true
***/

alert('Hello World')
`))
// => { data: { minify: true }, content: 'alert(\'Hello World\')' }

History

Discover the release history by heading on over to the HISTORY.md file.

Contribute

Discover how you can contribute by heading on over to the CONTRIBUTING.md file.

Backers

Maintainers

These amazing people are maintaining this project:

Sponsors

No sponsors yet! Will you be the first?

Patreon donate button Flattr donate button Liberapay donate button Thanks App donate button Boost Lab donate button Buy Me A Coffee donate button Open Collective donate button crypto donate button PayPal donate button Wishlist browse button

Contributors

These amazing people have contributed code to this project:

Discover how you can contribute by heading on over to the CONTRIBUTING.md file.

License

Unless stated otherwise all works are:

  • Copyright © 2018+ Benjamin Lupton

and licensed under:

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文章标题:docmatter

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