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var is = require('is');
var Immutable = require('immutable');
var File = require('./file');
var PluginDependency = require('./pluginDependency');
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');
};
/**
* Render config as text
* @return {Promise<String>}
*/
Config.prototype.toText = function() {
return JSON.stringify(this.getValues().toJS(), null, 4);
};
/**
* Change the file for the configuration
* @param {File} file
* @return {Config}
*/
Config.prototype.setFile = function(file) {
return this.set('file', file);
};
/**
* 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 Immutable.fromJS(def);
}
return values.getIn(keyPath);
};
/**
* Update a configuration value
* @param {String} key
* @param {Mixed} value
* @return {Config}
*/
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);
};
/**
* Return a list of plugin dependencies
* @return {List<PluginDependency>}
*/
Config.prototype.getPluginDependencies = function() {
var plugins = this.getValue('plugins');
if (is.string(plugins)) {
return PluginDependency.listFromString(plugins);
} else {
return PluginDependency.listFromArray(plugins);
}
};
/**
* Return a plugin dependency by its name
* @param {String} name
* @return {PluginDependency}
*/
Config.prototype.getPluginDependency = function(name) {
var plugins = this.getPluginDependencies();
return plugins.find(function(dep) {
return dep.getName() === name;
});
};
/**
* Update the list of plugins dependencies
* @param {List<PluginDependency>}
* @return {Config}
*/
Config.prototype.setPluginDependencies = function(deps) {
var plugins = PluginDependency.listToArray(deps);
return this.setValue('plugins', plugins);
};
/**
* Update values for an existing configuration
* @param {Object} values
* @returns {Config}
*/
Config.prototype.updateValues = function(values) {
values = Immutable.fromJS(values);
return this.set('values', values);
};
/**
* Update values for an existing configuration
* @param {Config} config
* @param {Object} values
* @returns {Config}
*/
Config.prototype.mergeValues = function(values) {
var currentValues = this.getValues();
values = Immutable.fromJS(values);
currentValues = currentValues.mergeDeep(values);
return this.set('values', currentValues);
};
/**
* 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)
});
};
/**
* 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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