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node-red/packages/node_modules/@node-red/registry/lib/registry.js

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/**
* Copyright JS Foundation and other contributors, http://js.foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
//var UglifyJS = require("uglify-js");
var path = require("path");
var fs = require("fs");
var library = require("./library");
var events;
var settings;
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var loader;
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var nodeConfigCache = {};
var moduleConfigs = {};
var nodeList = [];
var nodeConstructors = {};
var nodeTypeToId = {};
var moduleNodes = {};
function init(_settings,_loader, _events) {
settings = _settings;
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loader = _loader;
events = _events;
moduleNodes = {};
nodeTypeToId = {};
nodeConstructors = {};
nodeList = [];
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nodeConfigCache = {};
}
function load() {
if (settings.available()) {
moduleConfigs = loadNodeConfigs();
} else {
moduleConfigs = {};
}
}
function filterNodeInfo(n) {
var r = {
id: n.id||n.module+"/"+n.name,
name: n.name,
types: n.types,
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enabled: n.enabled,
local: n.local||false
};
if (n.hasOwnProperty("module")) {
r.module = n.module;
}
if (n.hasOwnProperty("err")) {
r.err = n.err;
}
return r;
}
function getModule(id) {
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var parts = id.split("/");
return parts.slice(0,parts.length-1).join("/");
}
function getNode(id) {
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var parts = id.split("/");
return parts[parts.length-1];
}
function saveNodeList() {
var moduleList = {};
var hadPending = false;
var hasPending = false;
for (var module in moduleConfigs) {
/* istanbul ignore else */
if (moduleConfigs.hasOwnProperty(module)) {
if (Object.keys(moduleConfigs[module].nodes).length > 0) {
if (!moduleList[module]) {
moduleList[module] = {
name: module,
version: moduleConfigs[module].version,
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local: moduleConfigs[module].local||false,
nodes: {}
};
if (moduleConfigs[module].hasOwnProperty('pending_version')) {
hadPending = true;
if (moduleConfigs[module].pending_version !== moduleConfigs[module].version) {
moduleList[module].pending_version = moduleConfigs[module].pending_version;
hasPending = true;
} else {
delete moduleConfigs[module].pending_version;
}
}
}
var nodes = moduleConfigs[module].nodes;
for(var node in nodes) {
/* istanbul ignore else */
if (nodes.hasOwnProperty(node)) {
var config = nodes[node];
var n = filterNodeInfo(config);
delete n.err;
delete n.file;
delete n.id;
n.file = config.file;
moduleList[module].nodes[node] = n;
}
}
}
}
}
if (hadPending && !hasPending) {
events.emit("runtime-event",{id:"restart-required",retain: true});
}
if (settings.available()) {
return settings.set("nodes",moduleList);
} else {
return Promise.reject("Settings unavailable");
}
}
function loadNodeConfigs() {
var configs = settings.get("nodes");
if (!configs) {
return {};
} else if (configs['node-red']) {
return configs;
} else {
// Migrate from the 0.9.1 format of settings
var newConfigs = {};
for (var id in configs) {
/* istanbul ignore else */
if (configs.hasOwnProperty(id)) {
var nodeConfig = configs[id];
var moduleName;
var nodeSetName;
if (nodeConfig.module) {
moduleName = nodeConfig.module;
nodeSetName = nodeConfig.name.split(":")[1];
} else {
moduleName = "node-red";
nodeSetName = nodeConfig.name.replace(/^\d+-/,"").replace(/\.js$/,"");
}
if (!newConfigs[moduleName]) {
newConfigs[moduleName] = {
name: moduleName,
nodes:{}
};
}
newConfigs[moduleName].nodes[nodeSetName] = {
name: nodeSetName,
types: nodeConfig.types,
enabled: nodeConfig.enabled,
module: moduleName
};
}
}
settings.set("nodes",newConfigs);
return newConfigs;
}
}
function addModule(module) {
moduleNodes[module.name] = [];
moduleConfigs[module.name] = module;
for (var setName in module.nodes) {
if (module.nodes.hasOwnProperty(setName)) {
var set = module.nodes[setName];
moduleNodes[module.name].push(set.name);
nodeList.push(set.id);
if (!set.err) {
set.types.forEach(function(t) {
if (nodeTypeToId.hasOwnProperty(t)) {
set.err = "Type already registered";
set.err.code = "type_already_registered";
set.err.details = {
type: t,
moduleA: getNodeInfo(t).module,
moduleB: set.module
}
}
});
if (!set.err) {
set.types.forEach(function(t) {
nodeTypeToId[t] = set.id;
});
}
}
}
}
if (module.icons) {
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icon_paths[module.name] = icon_paths[module.name] || [];
module.icons.forEach(icon=>icon_paths[module.name].push(path.resolve(icon.path)) )
}
if (module.examples) {
library.addExamplesDir(module.name,module.examples.path);
}
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nodeConfigCache = {};
}
function removeNode(id) {
var config = moduleConfigs[getModule(id)].nodes[getNode(id)];
if (!config) {
throw new Error("Unrecognised id: "+id);
}
delete moduleConfigs[getModule(id)].nodes[getNode(id)];
var i = nodeList.indexOf(id);
if (i > -1) {
nodeList.splice(i,1);
}
config.types.forEach(function(t) {
var typeId = nodeTypeToId[t];
if (typeId === id) {
delete nodeConstructors[t];
delete nodeTypeToId[t];
}
});
config.enabled = false;
config.loaded = false;
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nodeConfigCache = {};
return filterNodeInfo(config);
}
function removeModule(module) {
if (!settings.available()) {
throw new Error("Settings unavailable");
}
var nodes = moduleNodes[module];
if (!nodes) {
throw new Error("Unrecognised module: "+module);
}
var infoList = [];
for (var i=0;i<nodes.length;i++) {
infoList.push(removeNode(module+"/"+nodes[i]));
}
delete moduleNodes[module];
delete moduleConfigs[module];
saveNodeList();
return infoList;
}
function getNodeInfo(typeOrId) {
var id = typeOrId;
if (nodeTypeToId.hasOwnProperty(typeOrId)) {
id = nodeTypeToId[typeOrId];
}
/* istanbul ignore else */
if (id) {
var module = moduleConfigs[getModule(id)];
if (module) {
var config = module.nodes[getNode(id)];
if (config) {
var info = filterNodeInfo(config);
if (config.hasOwnProperty("loaded")) {
info.loaded = config.loaded;
}
if (module.pending_version) {
info.pending_version = module.pending_version;
}
info.version = module.version;
return info;
}
}
}
return null;
}
function getFullNodeInfo(typeOrId) {
// Used by index.enableNodeSet so that .file can be retrieved to pass
// to loader.loadNodeSet
var id = typeOrId;
if (nodeTypeToId.hasOwnProperty(typeOrId)) {
id = nodeTypeToId[typeOrId];
}
/* istanbul ignore else */
if (id) {
var module = moduleConfigs[getModule(id)];
if (module) {
return module.nodes[getNode(id)];
}
}
return null;
}
function getNodeList(filter) {
var list = [];
for (var module in moduleConfigs) {
/* istanbul ignore else */
if (moduleConfigs.hasOwnProperty(module)) {
var nodes = moduleConfigs[module].nodes;
for (var node in nodes) {
/* istanbul ignore else */
if (nodes.hasOwnProperty(node)) {
var nodeInfo = filterNodeInfo(nodes[node]);
nodeInfo.version = moduleConfigs[module].version;
if (moduleConfigs[module].pending_version) {
nodeInfo.pending_version = moduleConfigs[module].pending_version;
}
if (!filter || filter(nodes[node])) {
list.push(nodeInfo);
}
}
}
}
}
return list;
}
function getModuleList() {
//var list = [];
//for (var module in moduleNodes) {
// /* istanbul ignore else */
// if (moduleNodes.hasOwnProperty(module)) {
// list.push(registry.getModuleInfo(module));
// }
//}
//return list;
return moduleConfigs;
}
function getModuleInfo(module) {
if (moduleNodes[module]) {
var nodes = moduleNodes[module];
var m = {
name: module,
version: moduleConfigs[module].version,
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local: moduleConfigs[module].local,
path: moduleConfigs[module].path,
nodes: []
};
if (moduleConfigs[module] && moduleConfigs[module].pending_version) {
m.pending_version = moduleConfigs[module].pending_version;
}
for (var i = 0; i < nodes.length; ++i) {
var nodeInfo = filterNodeInfo(moduleConfigs[module].nodes[nodes[i]]);
nodeInfo.version = m.version;
m.nodes.push(nodeInfo);
}
return m;
} else {
return null;
}
}
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function getCaller(){
var orig = Error.prepareStackTrace;
Error.prepareStackTrace = function(_, stack){ return stack; };
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var err = new Error();
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Error.captureStackTrace(err, arguments.callee);
var stack = err.stack;
Error.prepareStackTrace = orig;
stack.shift();
stack.shift();
return stack[0].getFileName();
}
function registerNodeConstructor(nodeSet,type,constructor) {
if (nodeConstructors.hasOwnProperty(type)) {
throw new Error(type+" already registered");
}
//TODO: Ensure type is known - but doing so will break some tests
// that don't have a way to register a node template ahead
// of registering the constructor
var nodeSetInfo = getFullNodeInfo(nodeSet);
if (nodeSetInfo) {
if (nodeSetInfo.types.indexOf(type) === -1) {
// A type is being registered for a known set, but for some reason
// we didn't spot it when parsing the HTML file.
// Registered a type is the definitive action - not the presence
// of an edit template. Ensure it is on the list of known types.
nodeSetInfo.types.push(type);
}
}
nodeConstructors[type] = constructor;
events.emit("type-registered",type);
}
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function getAllNodeConfigs(lang) {
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if (!nodeConfigCache[lang]) {
var result = "";
var script = "";
for (var i=0;i<nodeList.length;i++) {
var id = nodeList[i];
var config = moduleConfigs[getModule(id)].nodes[getNode(id)];
if (config.enabled && !config.err) {
result += "\n<!-- --- [red-module:"+id+"] --- -->\n";
result += config.config;
result += loader.getNodeHelp(config,lang||"en-US")||"";
//script += config.script;
}
}
//if (script.length > 0) {
// result += '<script type="text/javascript">';
// result += UglifyJS.minify(script, {fromString: true}).code;
// result += '</script>';
//}
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nodeConfigCache[lang] = result;
}
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return nodeConfigCache[lang];
}
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function getNodeConfig(id,lang) {
var config = moduleConfigs[getModule(id)];
if (!config) {
return null;
}
config = config.nodes[getNode(id)];
if (config) {
var result = "<!-- --- [red-module:"+id+"] --- -->\n"+config.config;
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result += loader.getNodeHelp(config,lang||"en-US")
//if (config.script) {
// result += '<script type="text/javascript">'+config.script+'</script>';
//}
return result;
} else {
return null;
}
}
function getNodeConstructor(type) {
var id = nodeTypeToId[type];
var config;
if (typeof id === "undefined") {
config = undefined;
} else {
config = moduleConfigs[getModule(id)].nodes[getNode(id)];
}
if (!config || (config.enabled && !config.err)) {
return nodeConstructors[type];
}
return null;
}
function clear() {
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nodeConfigCache = {};
moduleConfigs = {};
nodeList = [];
nodeConstructors = {};
nodeTypeToId = {};
}
function getTypeId(type) {
if (nodeTypeToId.hasOwnProperty(type)) {
return nodeTypeToId[type];
} else {
return null;
}
}
function enableNodeSet(typeOrId) {
if (!settings.available()) {
throw new Error("Settings unavailable");
}
var id = typeOrId;
if (nodeTypeToId.hasOwnProperty(typeOrId)) {
id = nodeTypeToId[typeOrId];
}
var config;
try {
config = moduleConfigs[getModule(id)].nodes[getNode(id)];
delete config.err;
config.enabled = true;
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nodeConfigCache = {};
settings.enableNodeSettings(config.types);
return saveNodeList().then(function() {
return filterNodeInfo(config);
});
} catch (err) {
throw new Error("Unrecognised id: "+typeOrId);
}
}
function disableNodeSet(typeOrId) {
if (!settings.available()) {
throw new Error("Settings unavailable");
}
var id = typeOrId;
if (nodeTypeToId.hasOwnProperty(typeOrId)) {
id = nodeTypeToId[typeOrId];
}
var config;
try {
config = moduleConfigs[getModule(id)].nodes[getNode(id)];
// TODO: persist setting
config.enabled = false;
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nodeConfigCache = {};
settings.disableNodeSettings(config.types);
return saveNodeList().then(function() {
return filterNodeInfo(config);
});
} catch (err) {
throw new Error("Unrecognised id: "+id);
}
}
function cleanModuleList() {
var removed = false;
for (var mod in moduleConfigs) {
/* istanbul ignore else */
if (moduleConfigs.hasOwnProperty(mod)) {
var nodes = moduleConfigs[mod].nodes;
var node;
if (mod == "node-red") {
// For core nodes, look for nodes that are enabled, !loaded and !errored
for (node in nodes) {
/* istanbul ignore else */
if (nodes.hasOwnProperty(node)) {
var n = nodes[node];
if (n.enabled && !n.err && !n.loaded) {
removeNode(mod+"/"+node);
removed = true;
}
}
}
} else {
if (moduleConfigs[mod] && !moduleNodes[mod]) {
// For node modules, look for missing ones
for (node in nodes) {
/* istanbul ignore else */
if (nodes.hasOwnProperty(node)) {
removeNode(mod+"/"+node);
removed = true;
}
}
delete moduleConfigs[mod];
}
}
}
}
if (removed) {
saveNodeList();
}
}
function setModulePendingUpdated(module,version) {
moduleConfigs[module].pending_version = version;
return saveNodeList().then(function() {
return getModuleInfo(module);
});
}
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var icon_paths = { };
var iconCache = {};
function getNodeIconPath(module,icon) {
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if (/\.\./.test(icon)) {
throw new Error();
}
var iconName = module+"/"+icon;
if (iconCache[iconName]) {
return iconCache[iconName];
} else {
var paths = icon_paths[module];
if (paths) {
for (var p=0;p<paths.length;p++) {
var iconPath = path.join(paths[p],icon);
try {
fs.statSync(iconPath);
iconCache[iconName] = iconPath;
return iconPath;
} catch(err) {
// iconPath doesn't exist
}
}
}
if (module !== "node-red") {
return getNodeIconPath("node-red", icon);
}
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return null;
}
}
function getNodeIcons() {
var iconList = {};
for (var module in moduleConfigs) {
if (moduleConfigs.hasOwnProperty(module)) {
if (moduleConfigs[module].icons) {
iconList[module] = [];
moduleConfigs[module].icons.forEach(icon=>{ iconList[module] = iconList[module].concat(icon.icons)})
}
}
}
return iconList;
}
var registry = module.exports = {
init: init,
load: load,
clear: clear,
registerNodeConstructor: registerNodeConstructor,
getNodeConstructor: getNodeConstructor,
addModule: addModule,
enableNodeSet: enableNodeSet,
disableNodeSet: disableNodeSet,
setModulePendingUpdated: setModulePendingUpdated,
removeModule: removeModule,
getNodeInfo: getNodeInfo,
getFullNodeInfo: getFullNodeInfo,
getNodeList: getNodeList,
getModuleList: getModuleList,
getModuleInfo: getModuleInfo,
getNodeIconPath: getNodeIconPath,
getNodeIcons: getNodeIcons,
/**
* Gets all of the node template configs
* @return all of the node templates in a single string
*/
getAllNodeConfigs: getAllNodeConfigs,
getNodeConfig: getNodeConfig,
getTypeId: getTypeId,
saveNodeList: saveNodeList,
cleanModuleList: cleanModuleList
};