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/**
* @fileoverview Environments manager
* @author Nicholas C. Zakas
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const envs = require("../../conf/environments");
//------------------------------------------------------------------------------
// Public Interface
//------------------------------------------------------------------------------
class Environments {
/**
* create env context
*/
constructor() {
this._environments = new Map();
this.load();
}
/**
* Loads the default environments.
* @returns {void}
* @private
*/
load() {
Object.keys(envs).forEach(envName => {
this._environments.set(envName, envs[envName]);
});
}
/**
* Gets the environment with the given name.
* @param {string} name The name of the environment to retrieve.
* @returns {Object?} The environment object or null if not found.
*/
get(name) {
return this._environments.get(name) || null;
}
/**
* Gets all the environment present
* @returns {Object} The environment object for each env name
*/
getAll() {
return Array.from(this._environments).reduce((coll, env) => {
coll[env[0]] = env[1];
return coll;
}, {});
}
/**
* Defines an environment.
* @param {string} name The name of the environment.
* @param {Object} env The environment settings.
* @returns {void}
*/
define(name, env) {
this._environments.set(name, env);
}
/**
* Imports all environments from a plugin.
* @param {Object} plugin The plugin object.
* @param {string} pluginName The name of the plugin.
* @returns {void}
*/
importPlugin(plugin, pluginName) {
if (plugin.environments) {
Object.keys(plugin.environments).forEach(envName => {
this.define(`${pluginName}/${envName}`, plugin.environments[envName]);
});
}
}
}
module.exports = Environments;
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