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ef9f5dc33f
Closes #1478 - Create new proxy.js that exposes createProxy method - Pass proxy to App activate/install in lieu of Ghost instance
83 lines
No EOL
2.4 KiB
JavaScript
83 lines
No EOL
2.4 KiB
JavaScript
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var path = require('path'),
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_ = require('underscore'),
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when = require('when'),
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createProxy = require('./proxy'),
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ghostInstance,
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loader;
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function getGhostInstance() {
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if (ghostInstance) {
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return ghostInstance;
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}
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var Ghost = require('../../ghost');
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ghostInstance = new Ghost();
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return ghostInstance;
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}
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// Get a relative path to the given plugins root, defaults
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// to be relative to __dirname
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function getPluginRelativePath(name, relativeTo, ghost) {
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ghost = ghost || getGhostInstance();
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relativeTo = relativeTo || __dirname;
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return path.relative(relativeTo, path.join(ghost.paths().pluginPath, name));
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}
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function getPluginByName(name, ghost) {
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ghost = ghost || getGhostInstance();
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// Grab the plugin class to instantiate
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var PluginClass = require(getPluginRelativePath(name)),
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plugin;
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// Check for an actual class, otherwise just use whatever was returned
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if (_.isFunction(PluginClass)) {
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plugin = new PluginClass(createProxy(ghost));
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} else {
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plugin = PluginClass;
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}
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return plugin;
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}
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// The loader is responsible for loading plugins
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loader = {
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// Load a plugin and return the instantiated plugin
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installPluginByName: function (name, ghost) {
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var plugin = getPluginByName(name, ghost);
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// Check for an install() method on the plugin.
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if (!_.isFunction(plugin.install)) {
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return when.reject(new Error("Error loading plugin named " + name + "; no install() method defined."));
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}
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// Wrapping the install() with a when because it's possible
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// to not return a promise from it.
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return when(plugin.install(createProxy(ghost))).then(function () {
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return when.resolve(plugin);
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});
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},
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// Activate a plugin and return it
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activatePluginByName: function (name, ghost) {
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var plugin = getPluginByName(name, ghost);
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// Check for an activate() method on the plugin.
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if (!_.isFunction(plugin.activate)) {
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return when.reject(new Error("Error loading plugin named " + name + "; no activate() method defined."));
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}
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// Wrapping the activate() with a when because it's possible
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// to not return a promise from it.
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return when(plugin.activate(createProxy(ghost))).then(function () {
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return when.resolve(plugin);
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});
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}
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};
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module.exports = loader; |