front-matter-markdown/lib/markdown/get-heading-section.js

get the config and toc object from the markdown string.

(function() {
  var isArray, isBoolean, isIn;

  isIn = require('util-ex/lib/is/in');

  isArray = require('util-ex/lib/is/type/array');

  isBoolean = require('util-ex/lib/is/type/boolean');

  module.exports = function(nodes, headings, caseSensitive) {
    var end, node, result, start;
    start = 0;
    if (headings && !isArray(headings)) {
      headings = [headings];
    }
    while (start < nodes.length) {
      node = nodes[start++];
      if (node.type === 'heading' && (!headings || isIn(node.text, headings, caseSensitive))) {
        break;
      }
    }
    if (start <= nodes.length && node.type === 'heading') {
      end = start;
      while (end < nodes.length) {
        node = nodes[end++];
        if (node.type === 'heading') {
          break;
        }
      }
      if (end !== nodes.length) {
        end--;
      }
      if (start !== 0) {
        start--;
      }
      result = nodes.slice(start, end);
    }
    return result;
  };

}).call(this);

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