setting tool to agregate library descriptions

+{
+    "type": "module"
+}
\ No newline at end of file

+/** 
+ * This tool is intended to build a description of a repository of components
+ */
+
+import process from 'node:process';
+import * as fs from 'node:fs';
+import path from 'node:path';
+
+/** 
+ * possible arguments:
+ *  - "-o" with output file
+ *  - "-d" with input directory
+ *  - "-h" or "--help" displays usage
+ */
+
+let outputFile = "repos.json";
+let inputDir = ".";
+
+const usage = function(idx) {
+    console.log(path.basename(process.argv[1])," [-o output_file] [-d component_dir] [-h]");
+    console.log("\toutput_file is the generated repository json file (by default 'repos.json')");
+    console.log("\tcomponent_dir is the directory storing components (by default '.')");
+    return 0;
+};
+
+
+const helpers = {
+    '-h' : usage,
+    '--help': usage,
+    '-o' : function(idx) {
+        outputFile = process.argv[idx+1];
+        return 1;
+    },
+    '-d' : function(idx) {
+        inputDir = process.argv[idx+1];
+        return 1;
+    }
+};
+
+for (let i=2; i<process.argv.length; i++) {
+    if (helpers.hasOwnProperty(process.argv[i])) {
+        let shift = helpers[process.argv[i]](i);
+        i+=shift;
+    }
+}
+
+const getFiles = function(dir, filter, files_) {
+    files_ = files_ || [];
+    let files = fs.readdirSync(dir);
+    for (let i in files) {
+        let name = dir + '/' + files[i];
+        let stat = fs.statSync(name);
+        if (stat.isDirectory()) {
+            getFiles(name, files_);
+        } else {
+            if (path.extname(name) === filter)
+                files_.push(name);
+        }
+    }
+    return files_;
+};
+
+
+const files = getFiles(path.resolve(inputDir),'.js');
+
+const list= {};
+
+files.forEach(async (element) => {
+    try {
+        const components = await import(path.resolve(element));
+        if (components.__arcs__ !== undefined) {
+            console.log(`${element} contains a description`);
+            Object.assign(list, components.__arcs__);
+        } else {
+            console.log(`${element} does not contain a description`);
+        }
+    } catch (e) {
+        console.log(`${element} is not a valid component`);
+    }
+});
+
+console.log(list);
+