exports.toTitleCase = function(str){
var smallWords = /^(a|an|and|as|at|but|by|en|for|if|in|nor|of|on|or|per|the|to|vs?\.?|via)$/i;
return (str+'').replace(/[A-Za-z0-9\u00C0-\u00FF]+[^\s-]*/g, function(match, index, title){
if (index > 0 && index + match.length !== title.length &&
match.search(smallWords) > -1 && title.charAt(index - 2) !== ":" &&
(title.charAt(index + match.length) !== '-' || title.charAt(index - 1) === '-') &&
title.charAt(index - 1).search(/[^\s-]/) < 0) {
return match.toLowerCase();
}
if (match === 'tus') {
return match;
}
if (match.substr(1).search(/[A-Z]|\../) > -1) {
return match;
}
// Avoid uppercasing 'mod_deflate', apt-file - kvz
if (match.match(/.[\_\-\/\d]./)) {
return match;
}
// Avoid uppercasing '`frame`', '/sftp/import' - kvz
if (match.match(/(^[`\/]|[`]$)/)) {
return match;
}
// Avoid uppercasing: 'tmpfs' or anything that doesn't have a vowel - kvz
if (!match.match(/[aeiou]/)) {
return match;
}
return match.charAt(0).toUpperCase() + match.substr(1);
});
};
exports.newPost = function (content, opts, cb){
var self = this;
var matches = [];
var oldTitle = '';
var newTitle = '';
var oldLine = '';
var heading = '';
var newLine = '';
var changes = [];
var words = [];
var frontMatter = content.split('---')[1];
if (frontMatter) {
matches = frontMatter.match(/^(title\s*:\s*)\"?(.+?)\"?[\ \t]*$/im);
oldTitle = matches[2];
newTitle = self.toTitleCase(oldTitle).trim();
oldLine = matches[0];
newLine = matches[1] + '"' + newTitle + '"';
if (oldLine !== newLine) {
changes.push({oldTitle: oldTitle, newTitle: newTitle});
content = content.replace(oldLine, newLine);
}
}
if (opts.body === true) {
matches = content.match(/^\#{1,6} ([a-zA-Z0-9\-\;\!\?\%\&\;\:\.\/\(\)\ ]+)$/mg)
for (var i in matches) {
words = matches[i].split(' ')
heading = words.shift();
oldTitle = words.join(' ');
newTitle = self.toTitleCase(oldTitle).trim();
oldLine = heading + ' ' + oldTitle;
newLine = heading + ' ' + newTitle;
if (oldLine !== newLine) {
changes.push({oldTitle: oldTitle, newTitle: newTitle});
content = content.replace(oldLine, newLine);
}
}
}
if (changes.length === 0) {
content = null;
}
return cb(null, content, changes);
};