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var through = require('through2');
var gutil = require('gulp-util');
var fm = require('front-matter');
var PluginError = gutil.PluginError;
var path = require('path');
var fs = require('fs');
module.exports = function(options) {
var configs = [];
var directory = options.dir || process.cwd();
function bufferContents(file, enc, cb) {
var config;
var content;
if(file.isNull()) return cb(null, file);
if(file.isBuffer()) {
try {
content = fm(String(file.contents));
} catch (e) {
return cb(new PluginError('Gulp Dynamic Routing', e));
}
if(content.attributes.name) {
file.contents = new Buffer(content.body);
config = content.attributes;
var relativePath = path.relative(directory + path.sep + options.root, file.path);
config.path = relativePath.split(path.sep).join('/');
configs.push(config);
}
}
this.push(file);
return cb();
}
function endStream(cb) {
var self = this;
var appPath = options.path;
configs.sort(function(a, b) {
return a.url < b.url;
});
fs.writeFile(appPath, 'var foundationRoutes = ' + JSON.stringify(configs) + '; \n', function(err) {
if(err) throw err;
cb();
});
}
return through.obj(bufferContents, endStream);
};
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