.

Author: wooorm

.editorconfig

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+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true

.gitignore

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+.DS_Store
+*.log
+.nyc_output/
+coverage/
+node_modules/
+yarn.lock

.npmrc

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+package-lock=false

.prettierignore

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+coverage/
+*.json
+*.md

.travis.yml

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+language: node_js
+node_js:
+  - lts/dubnium
+  - node
+after_script: bash <(curl -s https://codecov.io/bash)

from-markdown.js

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+module.exports = require('./lib/from-markdown')

index.js

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+exports.fromMarkdown = require('./lib/from-markdown')
+exports.toMarkdown = require('./lib/to-markdown')

lib/from-markdown.js

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+var matters = require('micromark-extension-frontmatter/lib/matters')
+
+module.exports = createFromMarkdown
+
+function createFromMarkdown(options) {
+  var settings = matters(options)
+  var length = settings.length
+  var index = -1
+  var enter = {}
+  var exit = {}
+  var matter
+
+  while (++index < length) {
+    matter = settings[index]
+    enter[matter.type] = opener(matter)
+    exit[matter.type] = close
+    exit[matter.type + 'Value'] = value
+  }
+
+  return {enter: enter, exit: exit}
+}
+
+function opener(matter) {
+  return open
+  function open(token) {
+    this.enter({type: matter.type, value: ''}, token)
+    this.buffer()
+  }
+}
+
+function close(token) {
+  var data = this.resume()
+  // Remove the initial and final eol.
+  this.exit(token).value = data.replace(/^(\r?\n|\r)|(\r?\n|\r)$/g, '')
+}
+
+function value(token) {
+  this.handlers.enter.data.call(this, token)
+  this.handlers.exit.data.call(this, token)
+}

lib/to-markdown.js

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+var matters = require('micromark-extension-frontmatter/lib/matters')
+
+module.exports = createToMarkdown
+
+function createToMarkdown(options) {
+  var unsafe = []
+  var handlers = {}
+  var settings = matters(options)
+  var length = settings.length
+  var index = -1
+  var matter
+
+  while (++index < length) {
+    matter = settings[index]
+    handlers[matter.type] = handler(matter)
+    unsafe.push({atBreak: true, character: fence(matter, 'open').charAt(0)})
+  }
+
+  return {unsafe: unsafe, handlers: handlers}
+}
+
+function handler(matter) {
+  var open = fence(matter, 'open')
+  var close = fence(matter, 'close')
+
+  return handle
+
+  function handle(node) {
+    return open + (node.value ? '\n' + node.value : '') + '\n' + close
+  }
+}
+
+function fence(matter, prop) {
+  var marker
+
+  if (matter.marker) {
+    marker = pick(matter.marker, prop)
+    return marker + marker + marker
+  }
+
+  return pick(matter.fence, prop)
+}
+
+function pick(schema, prop) {
+  return typeof schema === 'string' ? schema : schema[prop]
+}

license

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+(The MIT License)
+
+Copyright (c) 2020 Titus Wormer <tituswormer@gmail.com>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

package.json

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+{
+  "name": "mdast-util-frontmatter",
+  "version": "0.0.0",
+  "description": "mdast extension to parse and serialize frontmatter (YAML, TOML, etc)",
+  "license": "MIT",
+  "keywords": [
+    "unist",
+    "mdast",
+    "mdast-util",
+    "util",
+    "utility",
+    "markdown",
+    "markup",
+    "frontmatter",
+    "yaml",
+    "toml",
+    "gfm"
+  ],
+  "repository": "syntax-tree/mdast-util-frontmatter",
+  "bugs": "https://github.com/syntax-tree/mdast-util-frontmatter/issues",
+  "funding": {
+    "type": "opencollective",
+    "url": "https://opencollective.com/unified"
+  },
+  "author": "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)",
+  "contributors": [
+    "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
+  ],
+  "files": [
+    "lib/",
+    "from-markdown.js",
+    "index.js",
+    "to-markdown.js"
+  ],
+  "dependencies": {
+    "micromark-extension-frontmatter": "^0.1.0"
+  },
+  "devDependencies": {
+    "mdast-util-from-markdown": "^0.2.0",
+    "mdast-util-to-markdown": "^0.2.0",
+    "nyc": "^15.0.0",
+    "prettier": "^2.0.0",
+    "remark-cli": "^8.0.0",
+    "remark-preset-wooorm": "^7.0.0",
+    "tape": "^5.0.0",
+    "xo": "^0.33.0"
+  },
+  "scripts": {
+    "format": "remark . -qfo && prettier . -w --loglevel warn && xo --fix",
+    "test-api": "node test",
+    "test-coverage": "nyc --reporter lcov tape test.js",
+    "test": "npm run format && npm run test-coverage"
+  },
+  "nyc": {
+    "check-coverage": true,
+    "lines": 100,
+    "functions": 100,
+    "branches": 100
+  },
+  "prettier": {
+    "tabWidth": 2,
+    "useTabs": false,
+    "singleQuote": true,
+    "bracketSpacing": false,
+    "semi": false,
+    "trailingComma": "none"
+  },
+  "xo": {
+    "prettier": true,
+    "esnext": false
+  },
+  "remarkConfig": {
+    "plugins": [
+      "preset-wooorm"
+    ]
+  }
+}