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import fs from 'fs';
import p from 'path';
/**
* Load application config file if exists, otherwise ignore.
* Config file will be filtered, fields not in taskNames won't be .
*
* @param {Array} taskNames: an array of task names
* @param {String} dir: base directory where config file is located
* @param {Function} cb: standard cb(err, result) callback
*/
function load(taskNames, dir, cb) {
const file = p.join(dir, '.bob.json');
// TODO: add validation
fs.exists(file, (exists) => {
if (exists) {
fs.readFile(file, (err, data) => {
if (!err) {
data = JSON.parse(data);
Object.keys(data).forEach((key) => {
if (taskNames.indexOf(key) === -1) {
delete data[key];
}
});
}
cb(err, data);
});
} else {
cb(null, {});
}
});
}
const exports = {
load: load
};
export {
exports as default
}; |