Allow reading from folders

Author: m-mohr

README.md

@@ -2,7 +2,7 @@
 
 Simple proof-of-concept to validate STAC Items, Catalogs, Collections and core extensions with node.
 
-Version: 0.1.0 - supports STAC 1.0.0-beta.1
+Version: 0.2.0 - supports STAC 1.0.0-beta.1
 
 ## Setup
 
@@ -13,6 +13,7 @@ Version: 0.1.0 - supports STAC 1.0.0-beta.1
 
 - Validate a single file: `stac-node-validator /path/to/your/file.json`
 - Validate multiple files: `stac-node-validator /path/to/your/catalog.json /path/to/your/item.json`
+- Validate a single folder (considers all `json` files in `examples` folders): `stac-node-validator ./stac-spec`
 - Validate all examples in the STAC spec repo (only present if installed from GitHub): `stac-node-validator`
 
 ### Development

index.js

@@ -15,7 +15,13 @@ async function run() {
 		let files = process.argv.slice(2);
 		if (files.length === 0) {
 			console.log('No file specified, validating all examples in STAC spec repository');
-			files = await readExamples();
+			files = await readExamples('./stac-spec/');
+		}
+		else if (files.length === 1) {
+			let stat = await fs.lstat(files[0]);
+			if (stat.isDirectory()) {
+				files = await readExamples(files[0]);
+			}
 		}
 
 		let stats = {
@@ -77,10 +83,10 @@ async function run() {
 	}
 }
 
-async function readExamples() {
+async function readExamples(folder) {
 	var files = [];
-	for await (let file of klaw('./stac-spec/')) {
-		let relPath = path.relative('./stac-spec/', file.path);
+	for await (let file of klaw(folder)) {
+		let relPath = path.relative(folder, file.path);
 		if (relPath.includes(path.sep + 'examples' + path.sep) && path.extname(relPath) === '.json') {
 			files.push(file.path);
 		}
@@ -96,10 +102,10 @@ async function loadSchema(name) {
 		let file;
 		switch(name) {
 			case 'core':
-				file = './core.json';
+				file = path.join(__dirname, './core.json');
 				break;
 			default:
-				file = './stac-spec/extensions/' + name + '/json-schema/schema.json';
+				file = path.join(__dirname, './stac-spec/extensions/' + name + '/json-schema/schema.json');
 		}
 		if (!await fs.exists(file)) {
 			throw "No schema file for " + name;

package.json

@@ -1,6 +1,6 @@
 {
   "name": "stac-node-validator",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "description": "STAC Validator for NodeJS",
   "author": "Matthias Mohr",
   "license": "Apache-2.0",