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parse.markdown.js
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parse.markdown.js
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function parseChildren(children) {
var results = [];
if (children) {
var i = 0;
var l = children.length;
for (; i < l; i++) {
if (children[i].type === 'image') {
results.push(children[i]);
} else if (children[i].type === 'link_open') {
results.push({
type: 'link',
href: children[i].href,
content: children[i + 1].content
});
i++;
} else if (children[i].type === 'text') {
results.push(children[i]);
}
}
}
return results;
}
module.exports = function parseMarkdown(text) {
// var marked = require('marked');
// var _ = require('lodash');
// var options = {};
// var tokens = marked.lexer(text, options);
// var headings = _.filter(tokens, 'type', 'heading');
var Remarkable = require('remarkable');
var md = new Remarkable();
var tokens = md.parse(text, {})
var headings = [];
var hLevel = 0;
var lLevel = [0];
for (var i = 0; i < tokens.length; i += 1) {
var type = tokens[i].type;
if (type === 'heading_open') {
hLevel = tokens[i].hLevel;
headings.push({
depth: hLevel,
line: tokens[i].lines[0],
name: tokens[i+1].content,
rules: tokens[i+1].children ? parseChildren(tokens[i+1].children) : null
});
i += 1;
}
if (type === 'bullet_list_open') {
if (tokens[i].level >= lLevel[0]) {
lLevel.unshift(tokens[i].level);
hLevel++;
}
}
if (type === "list_item_open") {
headings.push({
depth: hLevel,
line: tokens[i].lines[0],
name: tokens[i+2].content,
rules: tokens[i+2].children ? parseChildren(tokens[i+2].children) : null
});
}
if (type === 'bullet_list_close') {
lLevel.shift();
hLevel--;
}
}
return headings;
};