Add new file for generating JSON schema from TypeScript file

- Added a new TypeScript file `generate.ts` to handle the generation of JSON schema from a given TypeScript file. The script validates input parameters, generates a UUID, creates the schema configuration, and writes the resulting JSON schema to an output file.

Author: Mearman

src/util/generate.ts

@@ -0,0 +1,53 @@
+import fs from "fs";
+import path, { dirname } from "path";
+import { Config, createGenerator } from "ts-json-schema-generator";
+import { fileURLToPath } from "url";
+
+const file = process.argv[2];
+if (!file) {
+	console.error("No file path provided");
+	process.exit(1);
+} else if (!fs.existsSync(file)) {
+	console.error("Provided path does not exist");
+	process.exit(1);
+} else if (!fs.lstatSync(file).isFile()) {
+	console.error("Provided path is not a file");
+	process.exit(1);
+} else if (!file.endsWith(".ts")) {
+	console.error("Provided file is not a typescript file");
+	process.exit(1);
+}
+const rootType = process.argv[3].trim();
+if (!rootType) {
+	console.error("No root type provided");
+	process.exit(1);
+} else if (rootType.length === 0) {
+	console.error("Root type cannot be empty");
+	process.exit(1);
+}
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
+const projectRoot = path.resolve(__dirname, "../../");
+const srcRoot = path.join(projectRoot, "src");
+const tsconfig = path.join(projectRoot, "tsconfig.json");
+
+function generate(file: string, rootType: string = "JsonCanvas") {
+	const relativePath = path.relative(__dirname, file);
+	const config: Config = {
+		path: relativePath,
+		tsconfig: tsconfig,
+		type: rootType,
+		topRef: true,
+		additionalProperties: false,
+		sortProps: true,
+	};
+
+	const outputPath = path.join(projectRoot, "jsoncanvas.schema.json");
+	const gnerator = createGenerator(config);
+	const schema = gnerator.createSchema(config.type);
+	const schemaString = JSON.stringify(schema, null, 2);
+	fs.writeFileSync(outputPath, schemaString);
+}
+
+generate(file);