mirror of
https://github.com/node-red/node-red.git
synced 2023-10-10 13:36:53 +02:00
297 lines
8.9 KiB
JavaScript
297 lines
8.9 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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var when = require("when");
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var fs = require("fs");
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var path = require("path");
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var events;
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var log;
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var i18n;
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var settings;
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var disableNodePathScan = false;
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function init(runtime) {
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settings = runtime.settings;
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events = runtime.events;
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log = runtime.log;
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i18n = runtime.i18n;
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}
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function isExcluded(name) {
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if (settings.nodesExcludes) {
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for (var i=0;i<settings.nodesExcludes.length;i++) {
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if (settings.nodesExcludes[i] == name) {
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return true;
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}
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}
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}
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return false;
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}
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function getLocalFile(file) {
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if (isExcluded(path.basename(file))) {
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return null;
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}
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try {
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fs.statSync(file.replace(/\.js$/,".html"));
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return {
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file: file,
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module: "node-red",
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name: path.basename(file).replace(/^\d+-/,"").replace(/\.js$/,""),
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version: settings.version
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};
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} catch(err) {
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return null;
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}
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}
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/**
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* Synchronously walks the directory looking for node files.
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* Emits 'node-icon-dir' events for an icon dirs found
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* @param dir the directory to search
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* @return an array of fully-qualified paths to .js files
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*/
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function getLocalNodeFiles(dir) {
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var result = [];
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var files = [];
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try {
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files = fs.readdirSync(dir);
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} catch(err) {
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return result;
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}
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files.sort();
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files.forEach(function(fn) {
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var stats = fs.statSync(path.join(dir,fn));
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if (stats.isFile()) {
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if (/\.js$/.test(fn)) {
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var info = getLocalFile(path.join(dir,fn));
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if (info) {
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result.push(info);
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}
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}
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} else if (stats.isDirectory()) {
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// Ignore /.dirs/, /lib/ /node_modules/
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if (!/^(\..*|lib|icons|node_modules|test|locales)$/.test(fn)) {
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result = result.concat(getLocalNodeFiles(path.join(dir,fn)));
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} else if (fn === "icons") {
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events.emit("node-icon-dir",path.join(dir,fn));
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}
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}
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});
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return result;
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}
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function scanDirForNodesModules(dir,moduleName) {
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var results = [];
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try {
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var files = fs.readdirSync(dir);
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for (var i=0;i<files.length;i++) {
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var fn = files[i];
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if (/^@/.test(fn)) {
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results = results.concat(scanDirForNodesModules(path.join(dir,fn),moduleName));
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} else {
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if (!isExcluded(fn) && (!moduleName || fn == moduleName)) {
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var pkgfn = path.join(dir,fn,"package.json");
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try {
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var pkg = require(pkgfn);
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if (pkg['node-red']) {
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var moduleDir = path.join(dir,fn);
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results.push({dir:moduleDir,package:pkg});
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}
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} catch(err) {
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if (err.code != "MODULE_NOT_FOUND") {
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// TODO: handle unexpected error
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}
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}
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if (fn == moduleName) {
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break;
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}
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}
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}
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}
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} catch(err) {
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}
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return results;
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}
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/**
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* Scans the node_modules path for nodes
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* @param moduleName the name of the module to be found
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* @return a list of node modules: {dir,package}
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*/
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function scanTreeForNodesModules(moduleName) {
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var dir = settings.coreNodesDir;
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var results = [];
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var userDir;
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if (settings.userDir) {
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userDir = path.join(settings.userDir,"node_modules");
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results = scanDirForNodesModules(userDir,moduleName);
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results.forEach(function(r) { r.local = true; });
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}
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if (dir) {
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var up = path.resolve(path.join(dir,".."));
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while (up !== dir) {
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var pm = path.join(dir,"node_modules");
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if (pm != userDir) {
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results = results.concat(scanDirForNodesModules(pm,moduleName));
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}
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dir = up;
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up = path.resolve(path.join(dir,".."));
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}
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}
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return results;
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}
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function getModuleNodeFiles(module) {
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var moduleDir = module.dir;
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var pkg = module.package;
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var nodes = pkg['node-red'].nodes||{};
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var results = [];
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var iconDirs = [];
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for (var n in nodes) {
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/* istanbul ignore else */
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if (nodes.hasOwnProperty(n)) {
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var file = path.join(moduleDir,nodes[n]);
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results.push({
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file: file,
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module: pkg.name,
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name: n,
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version: pkg.version
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});
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var iconDir = path.join(moduleDir,path.dirname(nodes[n]),"icons");
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if (iconDirs.indexOf(iconDir) == -1) {
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try {
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fs.statSync(iconDir);
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events.emit("node-icon-dir",iconDir);
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iconDirs.push(iconDir);
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} catch(err) {
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}
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}
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}
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}
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var examplesDir = path.join(moduleDir,"examples");
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try {
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fs.statSync(examplesDir)
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events.emit("node-examples-dir",{name:pkg.name,path:examplesDir});
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} catch(err) {
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}
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return results;
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}
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function getNodeFiles(disableNodePathScan) {
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var dir;
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// Find all of the nodes to load
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var nodeFiles = [];
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if (settings.coreNodesDir) {
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nodeFiles = getLocalNodeFiles(path.resolve(settings.coreNodesDir));
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var defaultLocalesPath = path.resolve(path.join(settings.coreNodesDir,"core","locales"));
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i18n.registerMessageCatalog("node-red",defaultLocalesPath,"messages.json");
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}
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if (settings.userDir) {
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dir = path.join(settings.userDir,"nodes");
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nodeFiles = nodeFiles.concat(getLocalNodeFiles(dir));
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}
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if (settings.nodesDir) {
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dir = settings.nodesDir;
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if (typeof settings.nodesDir == "string") {
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dir = [dir];
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}
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for (var i=0;i<dir.length;i++) {
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nodeFiles = nodeFiles.concat(getLocalNodeFiles(dir[i]));
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}
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}
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var nodeList = {
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"node-red": {
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name: "node-red",
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version: settings.version,
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nodes: {}
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}
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}
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nodeFiles.forEach(function(node) {
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nodeList["node-red"].nodes[node.name] = node;
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});
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if (!disableNodePathScan) {
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var moduleFiles = scanTreeForNodesModules();
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moduleFiles.forEach(function(moduleFile) {
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var nodeModuleFiles = getModuleNodeFiles(moduleFile);
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nodeList[moduleFile.package.name] = {
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name: moduleFile.package.name,
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version: moduleFile.package.version,
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local: moduleFile.local||false,
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nodes: {}
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};
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if (moduleFile.package['node-red'].version) {
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nodeList[moduleFile.package.name].redVersion = moduleFile.package['node-red'].version;
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}
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nodeModuleFiles.forEach(function(node) {
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node.local = moduleFile.local||false;
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nodeList[moduleFile.package.name].nodes[node.name] = node;
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});
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nodeFiles = nodeFiles.concat(nodeModuleFiles);
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});
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} else {
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console.log("node path scan disabled");
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}
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return nodeList;
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}
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function getModuleFiles(module) {
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var nodeList = {};
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var moduleFiles = scanTreeForNodesModules(module);
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if (moduleFiles.length === 0) {
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var err = new Error(log._("nodes.registry.localfilesystem.module-not-found", {module:module}));
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err.code = 'MODULE_NOT_FOUND';
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throw err;
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}
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moduleFiles.forEach(function(moduleFile) {
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var nodeModuleFiles = getModuleNodeFiles(moduleFile);
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nodeList[moduleFile.package.name] = {
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name: moduleFile.package.name,
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version: moduleFile.package.version,
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nodes: {}
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};
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if (moduleFile.package['node-red'].version) {
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nodeList[moduleFile.package.name].redVersion = moduleFile.package['node-red'].version;
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}
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nodeModuleFiles.forEach(function(node) {
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nodeList[moduleFile.package.name].nodes[node.name] = node;
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nodeList[moduleFile.package.name].nodes[node.name].local = moduleFile.local || false;
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});
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});
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return nodeList;
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}
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module.exports = {
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init: init,
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getNodeFiles: getNodeFiles,
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getLocalFile: getLocalFile,
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getModuleFiles: getModuleFiles
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}
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