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node-red/packages/node_modules/@node-red/registry/lib/localfilesystem.js
Nick O'Leary 6fb96fa3c1
Move exec and events components to util module
The exec and events components are common components that
are used by both runtime and registry. It makes sense to
move them into the util package.

This also adds some docs to the registry module
2020-12-07 11:49:01 +00:00

403 lines
13 KiB
JavaScript

/**
* 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 fs = require("fs");
var path = require("path");
var log = require("@node-red/util").log;
var i18n = require("@node-red/util").i18n;
var settings;
var disableNodePathScan = false;
var iconFileExtensions = [".png", ".gif", ".svg"];
function init(_settings) {
settings = _settings;
}
function isIncluded(name) {
if (settings.nodesIncludes) {
for (var i=0;i<settings.nodesIncludes.length;i++) {
if (settings.nodesIncludes[i] == name) {
return true;
}
}
} else {
return true;
}
return false;
}
function isExcluded(name) {
if (settings.nodesExcludes) {
for (var i=0;i<settings.nodesExcludes.length;i++) {
if (settings.nodesExcludes[i] == name) {
return true;
}
}
}
return false;
}
function getLocalFile(file) {
if (!isIncluded(path.basename(file)) || isExcluded(path.basename(file))) {
return null;
}
try {
fs.statSync(file.replace(/\.js$/,".html"));
return {
file: file,
module: "node-red",
name: path.basename(file).replace(/^\d+-/,"").replace(/\.js$/,""),
version: settings.version
};
} catch(err) {
return null;
}
}
/**
* Synchronously walks the directory looking for node files.
* @param dir the directory to search
* @return an array of fully-qualified paths to .js files
*/
function getLocalNodeFiles(dir) {
dir = path.resolve(dir);
var result = [];
var files = [];
var icons = [];
try {
files = fs.readdirSync(dir);
} catch(err) {
return {files: [], icons: []};
}
files.sort();
files.forEach(function(fn) {
var stats = fs.statSync(path.join(dir,fn));
if (stats.isFile()) {
if (/\.js$/.test(fn)) {
var info = getLocalFile(path.join(dir,fn));
if (info) {
result.push(info);
}
}
} else if (stats.isDirectory()) {
// Ignore /.dirs/, /lib/ /node_modules/
if (!/^(\..*|lib|icons|node_modules|test|locales)$/.test(fn)) {
var subDirResults = getLocalNodeFiles(path.join(dir,fn));
result = result.concat(subDirResults.files);
icons = icons.concat(subDirResults.icons);
} else if (fn === "icons") {
var iconList = scanIconDir(path.join(dir,fn));
icons.push({path:path.join(dir,fn),icons:iconList});
}
}
});
return {files: result, icons: icons}
}
function scanDirForNodesModules(dir,moduleName) {
var results = [];
var scopeName;
try {
var files = fs.readdirSync(dir);
if (moduleName) {
var m = /^(?:(@[^/]+)[/])?([^@/]+)/.exec(moduleName);
if (m) {
scopeName = m[1];
moduleName = m[2];
}
}
for (var i=0;i<files.length;i++) {
var fn = files[i];
if (/^@/.test(fn)) {
if (scopeName && scopeName === fn) {
// Looking for a specific scope/module
results = results.concat(scanDirForNodesModules(path.join(dir,fn),moduleName));
break;
} else {
results = results.concat(scanDirForNodesModules(path.join(dir,fn),moduleName));
}
} else {
if (isIncluded(fn) && !isExcluded(fn) && (!moduleName || fn == moduleName)) {
var pkgfn = path.join(dir,fn,"package.json");
try {
var pkg = require(pkgfn);
if (pkg['node-red']) {
var moduleDir = path.join(dir,fn);
results.push({dir:moduleDir,package:pkg});
}
} catch(err) {
if (err.code != "MODULE_NOT_FOUND") {
// TODO: handle unexpected error
}
}
if (fn == moduleName) {
break;
}
}
}
}
} catch(err) {
}
return results;
}
/**
* Scans the node_modules path for nodes
* @param moduleName the name of the module to be found
* @return a list of node modules: {dir,package}
*/
function scanTreeForNodesModules(moduleName) {
var dir = settings.coreNodesDir;
var results = [];
var userDir;
if (settings.userDir) {
userDir = path.join(settings.userDir,"node_modules");
results = scanDirForNodesModules(userDir,moduleName);
results.forEach(function(r) { r.local = true; });
}
if (dir) {
var up = path.resolve(path.join(dir,".."));
while (up !== dir) {
var pm = path.join(dir,"node_modules");
if (pm != userDir) {
results = results.concat(scanDirForNodesModules(pm,moduleName));
}
dir = up;
up = path.resolve(path.join(dir,".."));
}
}
return results;
}
function getModuleNodeFiles(module) {
var moduleDir = module.dir;
var pkg = module.package;
var nodes = pkg['node-red'].nodes||{};
var results = [];
var iconDirs = [];
var iconList = [];
for (var n in nodes) {
/* istanbul ignore else */
if (nodes.hasOwnProperty(n)) {
var file = path.join(moduleDir,nodes[n]);
results.push({
file: file,
module: pkg.name,
name: n,
version: pkg.version
});
var iconDir = path.join(moduleDir,path.dirname(nodes[n]),"icons");
if (iconDirs.indexOf(iconDir) == -1) {
try {
fs.statSync(iconDir);
var icons = scanIconDir(iconDir);
iconList.push({path:iconDir,icons:icons});
iconDirs.push(iconDir);
} catch(err) {
}
}
}
}
var result = {files:results,icons:iconList};
var examplesDir = path.join(moduleDir,"examples");
try {
fs.statSync(examplesDir)
result.examples = {path:examplesDir};
} catch(err) {
}
return result;
}
function getNodeFiles(disableNodePathScan) {
var dir;
// Find all of the nodes to load
var nodeFiles = [];
var results;
var dir;
var iconList = [];
if (settings.coreNodesDir) {
results = getLocalNodeFiles(path.resolve(settings.coreNodesDir));
nodeFiles = nodeFiles.concat(results.files);
iconList = iconList.concat(results.icons);
var defaultLocalesPath = path.join(settings.coreNodesDir,"locales");
i18n.registerMessageCatalog("node-red",defaultLocalesPath,"messages.json");
}
if (settings.userDir) {
dir = path.join(settings.userDir,"lib","icons");
var icons = scanIconDir(dir);
if (icons.length > 0) {
iconList.push({path:dir,icons:icons});
}
dir = path.join(settings.userDir,"nodes");
results = getLocalNodeFiles(path.resolve(dir));
nodeFiles = nodeFiles.concat(results.files);
iconList = iconList.concat(results.icons);
}
if (settings.nodesDir) {
dir = settings.nodesDir;
if (typeof settings.nodesDir == "string") {
dir = [dir];
}
for (var i=0;i<dir.length;i++) {
results = getLocalNodeFiles(dir[i]);
nodeFiles = nodeFiles.concat(results.files);
iconList = iconList.concat(results.icons);
}
}
var nodeList = {
"node-red": {
name: "node-red",
version: settings.version,
nodes: {},
icons: iconList
}
}
nodeFiles.forEach(function(node) {
nodeList["node-red"].nodes[node.name] = node;
});
if (settings.coreNodesDir) {
var examplesDir = path.join(settings.coreNodesDir,"examples");
nodeList["node-red"].examples = {path: examplesDir};
}
if (!disableNodePathScan) {
var moduleFiles = scanTreeForNodesModules();
// Filter the module list to ignore global modules
// that have also been installed locally - allowing the user to
// update a module they may not otherwise be able to touch
moduleFiles.sort(function(A,B) {
if (A.local && !B.local) {
return -1
} else if (!A.local && B.local) {
return 1
}
return 0;
})
var knownModules = {};
moduleFiles = moduleFiles.filter(function(mod) {
var result;
if (!knownModules[mod.package.name]) {
knownModules[mod.package.name] = true;
result = true;
} else {
result = false;
}
log.debug("Module: "+mod.package.name+" "+mod.package.version+(result?"":" *ignored due to local copy*"));
log.debug(" "+mod.dir);
return result;
});
moduleFiles.forEach(function(moduleFile) {
var nodeModuleFiles = getModuleNodeFiles(moduleFile);
nodeList[moduleFile.package.name] = {
name: moduleFile.package.name,
version: moduleFile.package.version,
path: moduleFile.dir,
local: moduleFile.local||false,
nodes: {},
icons: nodeModuleFiles.icons,
examples: nodeModuleFiles.examples
};
if (moduleFile.package['node-red'].version) {
nodeList[moduleFile.package.name].redVersion = moduleFile.package['node-red'].version;
}
nodeModuleFiles.files.forEach(function(node) {
node.local = moduleFile.local||false;
nodeList[moduleFile.package.name].nodes[node.name] = node;
});
nodeFiles = nodeFiles.concat(nodeModuleFiles.files);
});
} else {
// console.log("node path scan disabled");
}
return nodeList;
}
function getModuleFiles(module) {
var nodeList = {};
var moduleFiles = scanTreeForNodesModules(module);
if (moduleFiles.length === 0) {
var err = new Error(log._("nodes.registry.localfilesystem.module-not-found", {module:module}));
err.code = 'MODULE_NOT_FOUND';
throw err;
}
moduleFiles.forEach(function(moduleFile) {
var nodeModuleFiles = getModuleNodeFiles(moduleFile);
nodeList[moduleFile.package.name] = {
name: moduleFile.package.name,
version: moduleFile.package.version,
path: moduleFile.dir,
nodes: {},
icons: nodeModuleFiles.icons,
examples: nodeModuleFiles.examples
};
if (moduleFile.package['node-red'].version) {
nodeList[moduleFile.package.name].redVersion = moduleFile.package['node-red'].version;
}
nodeModuleFiles.files.forEach(function(node) {
nodeList[moduleFile.package.name].nodes[node.name] = node;
nodeList[moduleFile.package.name].nodes[node.name].local = moduleFile.local || false;
});
});
return nodeList;
}
// If this finds an svg and a png with the same name, it will only list the svg
function scanIconDir(dir) {
var iconList = [];
var svgs = {};
try {
var files = fs.readdirSync(dir);
files.forEach(function(file) {
var stats = fs.statSync(path.join(dir, file));
var ext = path.extname(file).toLowerCase();
if (stats.isFile() && iconFileExtensions.indexOf(ext) !== -1) {
iconList.push(file);
if (ext === ".svg") {
svgs[file.substring(0,file.length-4)] = true;
}
}
});
} catch(err) {
}
iconList = iconList.filter(f => {
return /.svg$/i.test(f) || !svgs[f.substring(0,f.length-4)]
})
return iconList;
}
module.exports = {
init: init,
getNodeFiles: getNodeFiles,
getLocalFile: getLocalFile,
getModuleFiles: getModuleFiles
}