"use strict";
function markdown(hljs) {
  return {
    aliases: ["md", "mkdown", "mkd"],
    contains: [
      // highlight headers
      {
        className: "section",
        variants: [
          { begin: "^#{1,6}", end: "$" },
          { begin: "^.+?\\n[=-]{2,}$" }
        ]
      },
      // inline html
      {
        begin: "<",
        end: ">",
        subLanguage: "xml",
        relevance: 0
      },
      // lists (indicators only)
      {
        className: "bullet",
        begin: "^\\s*([*+-]|(\\d+\\.))\\s+"
      },
      // strong segments
      {
        className: "strong",
        begin: "[*_]{2}.+?[*_]{2}"
      },
      // emphasis segments
      {
        className: "emphasis",
        variants: [
          { begin: "\\*.+?\\*" },
          {
            begin: "_.+?_",
            relevance: 0
          }
        ]
      },
      // blockquotes
      {
        className: "quote",
        begin: "^>\\s+",
        end: "$"
      },
      // code snippets
      {
        className: "code",
        variants: [
          {
            begin: "^```\\w*\\s*$",
            end: "^```[ ]*$"
          },
          {
            begin: "`.+?`"
          },
          {
            begin: "^( {4}|\\t)",
            end: "$",
            relevance: 0
          }
        ]
      },
      // horizontal rules
      {
        begin: "^[-\\*]{3,}",
        end: "$"
      },
      // using links - title and link
      {
        begin: "\\[.+?\\][\\(\\[].*?[\\)\\]]",
        returnBegin: true,
        contains: [
          {
            className: "string",
            begin: "\\[",
            end: "\\]",
            excludeBegin: true,
            returnEnd: true,
            relevance: 0
          },
          {
            className: "link",
            begin: "\\]\\(",
            end: "\\)",
            excludeBegin: true,
            excludeEnd: true
          },
          {
            className: "symbol",
            begin: "\\]\\[",
            end: "\\]",
            excludeBegin: true,
            excludeEnd: true
          }
        ],
        relevance: 10
      },
      {
        begin: /^\[[^\n]+\]:/,
        returnBegin: true,
        contains: [
          {
            className: "symbol",
            begin: /\[/,
            end: /\]/,
            excludeBegin: true,
            excludeEnd: true
          },
          {
            className: "link",
            begin: /:\s*/,
            end: /$/,
            excludeBegin: true
          }
        ]
      }
    ]
  };
}
exports.markdown = markdown;