@mapbox/jsxtreme-markdown/vendor/remark-parse/lib/parse.js

Transform Markdown into JSX or React component modules

'use strict';

var xtend = require('xtend');
var removePosition = require('unist-util-remove-position');

module.exports = parse;

var lineFeed = '\n';
var lineBreaksExpression = /\r\n|\r/g;

// Parse the bound file.
function parse() {
  var self = this;
  var value = String(self.file);
  var start = { line: 1, column: 1, offset: 0 };
  var content = xtend(start);
  var node;

  // Clean non-unix newlines: `\r\n` and `\r` are all changed to `\n`.
  // This should not affect positional information.
  value = value.replace(lineBreaksExpression, lineFeed);

  // BOM.
  if (value.charCodeAt(0) === 0xfeff) {
    value = value.slice(1);

    content.column++;
    content.offset++;
  }

  node = {
    type: 'root',
    children: self.tokenizeBlock(value, content),
    position: { start: start, end: self.eof || xtend(start) },
  };

  if (!self.options.position) {
    removePosition(node, true);
  }

  return node;
}