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var fs = require('fs');
var path = require('path');
var glob = require('glob');
var stringify = require('json-to-html');
var LiquidEngine = require('liquid-node').Engine;
var liquid = new LiquidEngine();
/**
* Add any custom liquid filters here.
*/
liquid.registerFilters({
/**
* Return a string formatted version of a JSON object.
* Useful for quick debugging of template data.
*/
stringify: function(obj) {
return '<pre>' + stringify(obj) + '</pre>';
}
});
/**
* Manages templates. Only supports Mustache currently/
*/
function OKTemplateRepo(options) {
options = options || {};
this._root = options.root || 'templates';
this._extPattern = options.ext || '.+(liquid|html)';
this._cache = {};
this._populateCache(this._cache);
}
OKTemplateRepo.prototype.getTemplate = function getTemplate(name) {
return this._cache[name];
}
/**
* Go through our template dir and read the template files
* into memory as strings.
* Assumes all templates fit into memory.
*/
OKTemplateRepo.prototype._populateCache = function _populateCache(cache) {
var self = this;
var files = glob.sync(this._root + '/*' + this._extPattern);
files.forEach(function eachFile(file) {
var ext = path.extname(file);
var name = path.basename(file, ext);
var templateString = fs.readFileSync(file, {encoding: 'UTF8'});
cache[name] = {
name: name,
templateString: templateString,
render: function(data) {
// TODO Not sure if this caches parsed templates behind the scenes?
return liquid.parseAndRender(templateString, data);
}
}
});
}
module.exports = OKTemplateRepo;
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