mirror of
https://github.com/node-red/node-red.git
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312 lines
9.5 KiB
JavaScript
312 lines
9.5 KiB
JavaScript
/*!
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* Copyright JS Foundation and other contributors, http://js.foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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/**
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* This module provides the node registry for the Node-RED runtime.
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*
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* It is responsible for loading node modules and making them available
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* to the runtime.
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*
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* @namespace @node-red/registry
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*/
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var registry = require("./registry");
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var loader = require("./loader");
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var installer = require("./installer");
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var library = require("./library");
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var plugins = require("./plugins");
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/**
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* Initialise the registry with a reference to a runtime object
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* @param {Object} runtime - a runtime object
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* @memberof @node-red/registry
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*/
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function init(runtime) {
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installer.init(runtime.settings);
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// Loader requires the full runtime object because it initialises
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// the util module it. The Util module is responsible for constructing the
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// RED object passed to node modules when they are loaded.
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loader.init(runtime);
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plugins.init(runtime.settings);
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registry.init(runtime.settings,loader);
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library.init();
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}
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/**
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* Triggers the intial discovery and loading of all Node-RED node modules.
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* found on the node path.
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* @return {Promise} - resolves when the registry has finised discovering node modules.
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* @memberof @node-red/registry
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*/
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function load() {
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registry.load();
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return installer.checkPrereq().then(loader.load);
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}
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function addModule(module) {
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return loader.addModule(module).then(function() {
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return registry.getModuleInfo(module);
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});
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}
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function enableNodeSet(typeOrId) {
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return registry.enableNodeSet(typeOrId).then(function() {
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var nodeSet = registry.getNodeInfo(typeOrId);
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if (!nodeSet.loaded) {
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return loader.loadNodeSet(registry.getFullNodeInfo(typeOrId)).then(function() {
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return registry.getNodeInfo(typeOrId);
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});
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}
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return Promise.resolve(nodeSet);
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});
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}
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module.exports = {
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init:init,
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load:load,
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clear: registry.clear,
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/**
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* Register a node constructor function.
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*
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* @param {Object} nodeSet - the Node Set object the constructor is for
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* @param {String} type - the node type
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* @param {Function} constructor - the node constructor function
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* @function
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* @memberof @node-red/registry
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*/
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registerType: registry.registerNodeConstructor,
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/**
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* Get a node constructor function.
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*
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* @param {String} type - the node type
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* @return {Function} the node constructor function
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* @function
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* @memberof @node-red/registry
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*/
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get: registry.getNodeConstructor,
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registerSubflow: registry.registerSubflow,
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/**
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* Get a node's set information.
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*
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* @param {String} type - the node type or set identifier
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* @return {Object} the node set information
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* @function
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* @memberof @node-red/registry
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*/
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getNodeInfo: registry.getNodeInfo,
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/**
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* Get a list of all nodes in the registry.
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*
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* @return {Object} the node list
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* @function
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* @memberof @node-red/registry
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*/
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getNodeList: registry.getNodeList,
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/**
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* Get a modules's information.
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*
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* @param {String} type - the module identifier
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* @return {Object} the module information
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* @function
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* @memberof @node-red/registry
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*/
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getModuleInfo: registry.getModuleInfo,
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/**
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* Get a list of all moduless in the registry.
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*
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* @return {Object} the module list
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* @function
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* @memberof @node-red/registry
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*/
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getModuleList: registry.getModuleList,
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/**
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* Get the HTML configs for all nodes in the registry.
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*
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* @param {String} lang - the language to return, default `en-US`
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* @return {String} the node configs
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* @function
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* @memberof @node-red/registry
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*/
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getNodeConfigs: registry.getAllNodeConfigs,
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/**
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* Get the HTML config for a single node set.
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*
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* @param {String} id - the node identifier
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* @param {String} lang - the language to return, default `en-US`
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* @return {String} the node config
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* @function
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* @memberof @node-red/registry
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*/
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getNodeConfig: registry.getNodeConfig,
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/**
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* Get the local path to a node's icon file.
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*
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* @param {String} module - the module that provides the icon
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* @param {String} icon - the name of the icon
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* @return {String} the local path to the icon
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* @function
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* @memberof @node-red/registry
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*/
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getNodeIconPath: registry.getNodeIconPath,
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/**
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* Get the full list of all icons available.
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*
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* @return {String} the icon list
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* @function
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* @memberof @node-red/registry
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*/
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getNodeIcons: registry.getNodeIcons,
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/**
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* Enables a node set, making it available for use.
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*
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* @param {String} type - the node type or set identifier
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* @return {Promise} A promise that resolves when the node set has been enabled
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* @throws if the identifier is not recognised or runtime settings are unavailable
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* @function
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* @memberof @node-red/registry
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*/
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enableNode: enableNodeSet,
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/**
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* Disables a node set, making it unavailable for use.
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*
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* @param {String} type - the node type or set identifier
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* @return {Promise} A promise that resolves when the node set has been disabled
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* @throws if the identifier is not recognised or runtime settings are unavailable
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* @function
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* @memberof @node-red/registry
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*/
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disableNode: registry.disableNodeSet,
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/**
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* Loads a new module into the registry.
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*
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* This will rescan the node module paths looking for this module.
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*
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* @param {String} module - the name of the module to add
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* @return {Promise<Object>} A promise that resolves with the module information once it has been added
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* @throws if the module has already been added or the runtime settings are unavailable
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* @function
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* @memberof @node-red/registry
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*/
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addModule: addModule,
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/**
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* Removes a module from the registry.
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*
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* @param {String} module - the name of the module to remove
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* @return {Promise<Array>} A promise that resolves with the list of removed node sets
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* @throws if the module is not found or the runtime settings are unavailable
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* @function
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* @memberof @node-red/registry
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*/
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removeModule: registry.removeModule,
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/**
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* Installs a new node module using npm and then add to the registry
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*
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* @param {String|Buffer} module - the name of the module to install, or a Buffer containing a module tar file
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* @param {String} version - the version of the module to install, default: `latest`
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* @param {String} url - (optional) a url to install the module from
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* @return {Promise<Array>} A promise that resolves with the module information once it has been installed
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* @function
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* @memberof @node-red/registry
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*/
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installModule: installer.installModule,
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/**
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* Uninstalls a module using npm
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*
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* @param {String} module - the name of the module to uninstall
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* @return {Promise<Array>} A promise that resolves when the module has been removed
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* @function
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* @memberof @node-red/registry
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*/
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uninstallModule: installer.uninstallModule,
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/**
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* Update to internal list of available modules based on what has been actually
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* loaded.
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*
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* The `externalModules.autoInstall` (previously `autoInstallModules`)
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* runtime option means the runtime may try to install
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* missing modules after the initial load is complete. If that flag is not set
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* this function is used to remove the modules from the registry's saved list.
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* @function
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* @memberof @node-red/registry
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*/
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cleanModuleList: registry.cleanModuleList,
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/**
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* Check if the regisrty is able to install/remove modules.
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*
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* This is based on whether it has found `npm` on the command-line.
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* @return {Boolean} whether the installer is enabled
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*
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* @function
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* @memberof @node-red/registry
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*/
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installerEnabled: installer.installerEnabled,
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/**
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* Get a list of all example flows provided by nodes in the registry.
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* @return {Object} an object, indexed by module, listing all example flows
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*
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* @function
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* @memberof @node-red/registry
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*/
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getNodeExampleFlows: library.getExampleFlows,
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/**
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* Gets the full path to a node example
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* @param {String} module - the name of the module providing the example
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* @param {String} path - the relative path of the example
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* @return {String} the full path to the example
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*
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* @function
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* @memberof @node-red/registry
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*/
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getNodeExampleFlowPath: library.getExampleFlowPath,
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registerPlugin: plugins.registerPlugin,
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getPlugin: plugins.getPlugin,
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getPluginsByType: plugins.getPluginsByType,
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getPluginList: plugins.getPluginList,
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getPluginConfigs: plugins.getPluginConfigs,
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exportPluginSettings: plugins.exportPluginSettings,
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deprecated: require("./deprecated")
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};
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