mirror of
https://github.com/verdaccio/verdaccio.git
synced 2024-12-16 21:56:25 -05:00
75 lines
2 KiB
JavaScript
75 lines
2 KiB
JavaScript
'use strict';
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const Path = require('path');
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/**
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* Requires a module.
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* @param {*} path the module's path
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* @return {Object}
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*/
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function try_load(path) {
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try {
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return require(path);
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} catch(err) {
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if (err.code === 'MODULE_NOT_FOUND') {
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return null;
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}
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throw err;
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}
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}
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/**
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* Load a plugin following the rules
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* - First try to load from the internal directory plugins (which will disappear soon or later).
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* - A seccond attempt from node_modules, in case to have multiple match as for instance verdaccio-ldap
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* and sinopia-ldap. All verdaccio prefix will have preferences.
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* @param {*} config a reference of the configuration settings
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* @param {*} plugin_configs
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* @param {*} params a set of params to initialise the plugin
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* @param {*} sanity_check callback that check the shape that should fulfill the plugin
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* @return {Array} list of plugins
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*/
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function load_plugins(config, plugin_configs, params, sanity_check) {
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let plugins = Object.keys(plugin_configs || {}).map(function(p) {
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let plugin;
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// try local plugins first
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plugin = try_load(Path.resolve(__dirname + '/plugins', p));
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// npm package
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if (plugin === null && p.match(/^[^\.\/]/)) {
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plugin = try_load(`verdaccio-${p}`);
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// compatibility for old sinopia plugins
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if (!plugin) {
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plugin = try_load(`sinopia-${p}`);
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}
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}
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if (plugin === null) {
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plugin = try_load(p);
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}
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// relative to config path
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if (plugin === null && p.match(/^\.\.?($|\/)/)) {
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plugin = try_load(Path.resolve(Path.dirname(config.self_path), p));
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}
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if (plugin === null) {
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throw Error('"' + p + '" plugin not found\ntry "npm install verdaccio-' + p + '"');
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}
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if (typeof(plugin) !== 'function')
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throw Error('"' + p + '" doesn\'t look like a valid plugin');
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plugin = plugin(plugin_configs[p], params);
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if (plugin === null || !sanity_check(plugin))
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throw Error('"' + p + '" doesn\'t look like a valid plugin');
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return plugin;
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});
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return plugins;
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}
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exports.load_plugins = load_plugins;
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