/
environments.js
84 lines (71 loc) · 2.18 KB
/
environments.js
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/**
* @fileoverview Environments manager
* @author Nicholas C. Zakas
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
var envs = require("../../conf/environments");
//------------------------------------------------------------------------------
// Private
//------------------------------------------------------------------------------
var environments = new Map();
/**
* Loads the default environments.
* @returns {void}
* @private
*/
function load() {
Object.keys(envs).forEach(function(envName) {
environments.set(envName, envs[envName]);
});
}
// always load default environments upfront
load();
//------------------------------------------------------------------------------
// Public Interface
//------------------------------------------------------------------------------
module.exports = class Environments {
static load() {
load();
}
/**
* 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.
*/
static get(name) {
return environments.get(name) || null;
}
/**
* Defines an environment.
* @param {string} name The name of the environment.
* @param {Object} env The environment settings.
* @returns {void}
*/
static define(name, env) {
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}
*/
static importPlugin(plugin, pluginName) {
if (plugin.environments) {
Object.keys(plugin.environments).forEach(function(envName) {
this.define(pluginName + "/" + envName, plugin.environments[envName]);
}, this);
}
}
/**
* Resets all environments. Only use for tests!
* @returns {void}
*/
static testReset() {
environments = new Map();
load();
}
};