var workman = require('workman'),
fs = require('fs');
workman.define('fs.readFile', function(file, cb) {
fs.readFile(file, 'utf8', cb);
});
workman.before('fs.readFile', function(file, cb) {
fs.exists(file, function(exists) {
if (!exists) {
return cb(new Error('File does not exist'));
}
cb(null, file);
});
});
workman.after('fs.readFile', function(content, cb) {
console.log('After', content);
cb(null, content);
});
workman.ns('fs').wrap('readFile', (function() {
var cache = {};
return function(file, fn, cb) {
if (cache.hasOwnProperty(file)) {
return cb(null, cache[file]);
}
fn(file, function(err, content) {
if (err) return cb(err);
cache[file] = content;
return cb(null, content);
});
};
}()));
workman.ns('fs').do('readFile', __dirname + '/README.md', function(err, content) {
console.log(content);
});