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var is = require('is');
var Immutable = require('immutable');
var File = require('./file');
var configDefault = require('../constants/configDefault');
var Config = Immutable.Record({
file: File(),
values: configDefault
}, 'Config');
Config.prototype.getFile = function() {
return this.get('file');
};
Config.prototype.getValues = function() {
return this.get('values');
};
/**
Return a configuration value by its key path
@param {String} key
@return {Mixed}
*/
Config.prototype.getValue = function(keyPath, def) {
var values = this.getValues();
keyPath = Config.keyToKeyPath(keyPath);
if (!values.hasIn(keyPath)) {
return def;
}
var value = values.getIn(keyPath);
if (Immutable.Iterable.isIterable(value)) {
value = value.toJS();
}
return value;
};
/**
Update a configuration value
@param {String} key
@param {Mixed} value
@return {Mixed}
*/
Config.prototype.setValue = function(keyPath, value) {
keyPath = Config.keyToKeyPath(keyPath);
value = Immutable.fromJS(value);
var values = this.getValues();
values = values.setIn(keyPath, value);
return this.set('values', values);
};
/**
Create a new config for a file
@param {File} file
@param {Object} values
@returns {Config}
*/
Config.create = function(file, values) {
return new Config({
file: file,
values: Immutable.fromJS(values)
});
};
/**
Create a new config
@param {Object} values
@returns {Config}
*/
Config.createWithValues = function(values) {
return new Config({
values: Immutable.fromJS(values)
});
};
/**
Update values for an existing configuration
@param {Config} config
@param {Object} values
@returns {Config}
*/
Config.updateValues = function(config, values) {
values = Immutable.fromJS(values);
return config.set('values', values);
};
/**
Convert a keyPath to an array of keys
@param {String|Array}
@return {Array}
*/
Config.keyToKeyPath = function(keyPath) {
if (is.string(keyPath)) keyPath = keyPath.split('.');
return keyPath;
};
module.exports = Config;
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