Added TypeScript command line worker program, updated its build script.

python/qrcodegen-batch-test.py

@@ -33,6 +33,7 @@ CHILD_PROGRAMS = [
 	["python2", "../python/qrcodegen-worker.py"],  # Python 2 program
 	["python3", "../python/qrcodegen-worker.py"],  # Python 3 program
 	["java", "-cp", "../java/src/main/java", "-ea:io.nayuki.qrcodegen...", "io/nayuki/qrcodegen/QrCodeGeneratorWorker"],  # Java program
+	["node", "../typescript/qrcodegen-worker.js"],  # TypeScript program
 	["../c/qrcodegen-worker"],  # C program
 	["../cpp/QrCodeGeneratorWorker"],  # C++ program
 	["../rust/target/debug/examples/qrcodegen-worker"],  # Rust program

typescript/build.sh

@@ -21,4 +21,9 @@
 #   Software.
 # 
 
-tsc --strict --target ES6 qrcodegen.ts qrcodegen-demo.ts
+tsc --strict --lib DOM,DOM.Iterable,ES6 --target ES6 qrcodegen.ts qrcodegen-demo.ts
+
+if [ '!' -d node_modules ]; then
+	npm install @types/node
+fi
+tsc --strict --target ES2017 --outFile qrcodegen-worker.js qrcodegen.ts qrcodegen-worker.ts

typescript/qrcodegen-worker.ts

@@ -0,0 +1,130 @@
+/* 
+ * QR Code generator test worker (TypeScript)
+ * 
+ * This program reads data and encoding parameters from standard input and writes
+ * QR Code bitmaps to standard output. The I/O format is one integer per line.
+ * Run with no command line arguments. The program is intended for automated
+ * batch testing of end-to-end functionality of this QR Code generator library.
+ * 
+ * Copyright (c) Project Nayuki. (MIT License)
+ * https://www.nayuki.io/page/qr-code-generator-library
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ * - The above copyright notice and this permission notice shall be included in
+ *   all copies or substantial portions of the Software.
+ * - The Software is provided "as is", without warranty of any kind, express or
+ *   implied, including but not limited to the warranties of merchantability,
+ *   fitness for a particular purpose and noninfringement. In no event shall the
+ *   authors or copyright holders be liable for any claim, damages or other
+ *   liability, whether in an action of contract, tort or otherwise, arising from,
+ *   out of or in connection with the Software or the use or other dealings in the
+ *   Software.
+ */
+
+"use strict";
+
+
+async function main(): Promise<void> {
+	while (true) {
+		// Read data or exit
+		const length: number = await input.readInt();
+		if (length == -1)
+			break;
+		let data: Array<number> = [];
+		for (let i = 0; i < length; i++)
+			data.push(await input.readInt());
+		
+		// Read encoding parameters
+		const errCorLvl : number = await input.readInt();
+		const minVersion: number = await input.readInt();
+		const maxVersion: number = await input.readInt();
+		const mask      : number = await input.readInt();
+		const boostEcl  : number = await input.readInt();
+		
+		// Make segments for encoding
+		let segs: Array<qrcodegen.QrSegment>;
+		if (data.every(b => b < 128)) {  // Is ASCII
+			const s: string = data.map(b => String.fromCharCode(b)).join("");
+			segs = qrcodegen.QrSegment.makeSegments(s);
+		} else
+			segs = [qrcodegen.QrSegment.makeBytes(data)];
+		
+		try {  // Try to make QR Code symbol
+			const qr = qrcodegen.QrCode.encodeSegments(
+				segs, ECC_LEVELS[errCorLvl], minVersion, maxVersion, mask, boostEcl != 0);
+			// Print grid of modules
+			await printLine(qr.version);
+			for (let y = 0; y < qr.size; y++) {
+				for (let x = 0; x < qr.size; x++)
+					await printLine(qr.getModule(x, y) ? 1 : 0);
+			}
+			
+		} catch (e) {
+			if (e == "Data too long")
+				await printLine(-1);
+		}
+	}
+}
+
+
+namespace input {
+	
+	let queue: Array<string> = [];
+	let callback: ((line:string)=>void)|null = null;
+	
+	const readline = require("readline");
+	let reader = readline.createInterface({
+		input: process.stdin,
+		terminal: false,
+	});
+	reader.on("line", (line: string) => {
+		queue.push(line);
+		if (callback !== null) {
+			callback(queue.shift() as string);
+			callback = null;
+		}
+	});
+	
+	
+	async function readLine(): Promise<string> {
+		return new Promise(resolve => {
+			if (callback !== null)
+				throw "Illegal state";
+			if (queue.length > 0)
+				resolve(queue.shift() as string);
+			else
+				callback = resolve;
+		});
+	}
+	
+	
+	export async function readInt(): Promise<number> {
+		let s = await readLine();
+		if (!/^-?\d+$/.test(s))
+			throw "Invalid number syntax";
+		return parseInt(s, 10);
+	}
+	
+}
+
+
+async function printLine(x: Object): Promise<void> {
+	return new Promise(resolve =>
+		process.stdout.write(x + "\n", "utf-8", ()=>resolve()));
+}
+
+
+const ECC_LEVELS: Array<qrcodegen.QrCode.Ecc> = [
+	qrcodegen.QrCode.Ecc.LOW,
+	qrcodegen.QrCode.Ecc.MEDIUM,
+	qrcodegen.QrCode.Ecc.QUARTILE,
+	qrcodegen.QrCode.Ecc.HIGH,
+];
+
+
+main();