diff --git a/demo/emulator-run.ts b/demo/emulator-run.ts
index d1eb08a82c..04c6e7ab9b 100644
--- a/demo/emulator-run.ts
+++ b/demo/emulator-run.ts
@@ -1,46 +1,70 @@
 import * as fs from 'fs';
+import packageJson from '../package.json';
+import sade from 'sade';
 import { GDBTCPServer } from '../src/gdb/gdb-tcp-server.js';
+import { RP2040 } from '../src/index.js';
 import { Simulator } from '../src/simulator.js';
 import { bootromB1 } from './bootrom.js';
 import { loadHex } from './intelhex.js';
 import { loadUF2 } from './load-flash.js';
-import minimist from 'minimist';
-
-const args = minimist(process.argv.slice(2), {
-  string: [
-    'image', // An image to load, hex and UF2 are supported
-  ],
-});
-
-const simulator = new Simulator();
-const mcu = simulator.rp2040;
-mcu.loadBootrom(bootromB1);
-
-const imageName = args.image ?? 'hello_uart.hex';
-
-// Check the extension of the file
-const extension = imageName.split('.').pop();
-if (extension === 'hex') {
-  // Create an array with the compiled code of blink
-  // Execute the instructions from this array, one by one.
-  const hex = fs.readFileSync(imageName, 'utf-8');
-
-  console.log(`Loading hex image ${imageName}`);
-  loadHex(hex, mcu.flash, 0x10000000);
-} else if (extension === 'uf2') {
-  console.log(`Loading uf2 image ${imageName}`);
-  loadUF2(imageName, mcu);
-} else {
-  console.log(`Unsupported file type: ${extension}`);
-  process.exit(1);
+
+type CliOptions = {
+  image: string;
+  gdb: boolean;
+  'gdb-port': number;
+};
+
+function loadImage(imageName: string, mcu: RP2040) {
+  const extension = imageName.split('.').pop();
+
+  if (extension === 'hex') {
+    // Create an array with the compiled code of blink
+    // Execute the instructions from this array, one by one.
+    const hex = fs.readFileSync(imageName, 'utf-8');
+    console.log(`Loading hex image ${imageName}`);
+    loadHex(hex, mcu.flash, 0x10000000);
+  } else if (extension === 'uf2') {
+    console.log(`Loading uf2 image ${imageName}`);
+    loadUF2(imageName, mcu);
+  } else {
+    console.log(`Unsupported file type: ${extension}`);
+    process.exit(1);
+  }
 }
 
-const gdbServer = new GDBTCPServer(simulator, 3333);
-console.log(`RP2040 GDB Server ready! Listening on port ${gdbServer.port}`);
+function simulateImage(opts: CliOptions) {
+  const simulator = new Simulator();
+  const mcu = simulator.rp2040;
+  mcu.loadBootrom(bootromB1);
 
-mcu.uart[0].onByte = (value) => {
-  process.stdout.write(new Uint8Array([value]));
-};
+  try {
+    loadImage(opts.image, mcu);
+  } catch (err) {
+    const message = err instanceof Error ? err.message : String(err);
+
+    console.log(`Error: Failed to load image file: "${message}"`);
+    process.exit(1);
+  }
+
+  if (opts.gdb) {
+    const gdbServer = new GDBTCPServer(simulator, opts['gdb-port']);
+    console.log(`RP2040 GDB Server ready! Listening on port ${gdbServer.port}`);
+  }
+
+  mcu.uart[0].onByte = (value) => {
+    process.stdout.write(new Uint8Array([value]));
+  };
+
+  simulator.rp2040.core.PC = 0x10000000;
+  simulator.execute();
+}
 
-simulator.rp2040.core.PC = 0x10000000;
-simulator.execute();
+sade('rp2040js', true)
+  .version(packageJson.version)
+  .describe(packageJson.description)
+  .option('-i, --image', 'Provide an image to run (.uf2, .hex)', 'hello_uart.hex')
+  .option('-g, --gdb', 'If a GDB server should be started or not', true)
+  .option('-p, --gdb-port', 'The port to start the gdb server on', 3333)
+  .example('--image ./hello_world.uf2')
+  .action(simulateImage)
+  .parse(process.argv);
diff --git a/demo/micropython-run.ts b/demo/micropython-run.ts
index 2eed8686a4..7de8f0f1ee 100644
--- a/demo/micropython-run.ts
+++ b/demo/micropython-run.ts
@@ -1,94 +1,126 @@
 import fs from 'fs';
-import minimist from 'minimist';
+import packageJson from '../package.json';
+import sade from 'sade';
 import { GDBTCPServer } from '../src/gdb/gdb-tcp-server.js';
+import { RP2040 } from '../src/index.js';
 import { Simulator } from '../src/simulator.js';
 import { USBCDC } from '../src/usb/cdc.js';
 import { ConsoleLogger, LogLevel } from '../src/utils/logging.js';
 import { bootromB1 } from './bootrom.js';
 import { loadCircuitpythonFlashImage, loadMicropythonFlashImage, loadUF2 } from './load-flash.js';
 
-const args = minimist(process.argv.slice(2), {
-  string: [
-    'image', // UF2 image to load; defaults to "RPI_PICO-20230426-v1.20.0.uf2"
-    'expect-text', // Text to expect on the serial console, process will exit with code 0 if found
-  ],
-  boolean: [
-    'gdb', // start GDB server on 3333
-    'circuitpython', // use CircuitPython instead of MicroPython
-  ],
-});
-const expectText = args['expect-text'];
-
-const simulator = new Simulator();
-const mcu = simulator.rp2040;
-mcu.loadBootrom(bootromB1);
-mcu.logger = new ConsoleLogger(LogLevel.Error);
-
-let imageName: string;
-if (!args.circuitpython) {
-  imageName = args.image ?? 'RPI_PICO-20230426-v1.20.0.uf2';
-} else {
-  imageName = args.image ?? 'adafruit-circuitpython-raspberry_pi_pico-en_US-8.0.2.uf2';
-}
-console.log(`Loading uf2 image ${imageName}`);
-loadUF2(imageName, mcu);
-
-if (fs.existsSync('littlefs.img') && !args.circuitpython) {
-  console.log(`Loading uf2 image littlefs.img`);
-  loadMicropythonFlashImage('littlefs.img', mcu);
-} else if (fs.existsSync('fat12.img') && args.circuitpython) {
-  loadCircuitpythonFlashImage('fat12.img', mcu);
-  // Instead of reading from file, it would also be possible to generate the LittleFS image on-the-fly here, e.g. using
-  // https://github.com/wokwi/littlefs-wasm or https://github.com/littlefs-project/littlefs-js
-}
+type CliOptions = {
+  image: string | null;
+  'expect-text': string | null;
+  gdb: boolean;
+  'gdb-port': number;
+  'circuit-python': boolean;
+};
+
+function loadImage(mcu: RP2040, image: string | null, useCircuitPython: boolean) {
+  let selectedImage: string;
+  if (image) selectedImage = image;
+  else if (useCircuitPython)
+    selectedImage = 'adafruit-circuitpython-raspberry_pi_pico-en_US-8.0.2.uf2';
+  else selectedImage = 'RPI_PICO-20230426-v1.20.0.uf2';
+
+  console.log(`Loading uf2 image ${selectedImage}`);
+
+  try {
+    loadUF2(selectedImage, mcu);
+  } catch (err) {
+    const message = err instanceof Error ? err.message : String(err);
+
+    console.log(`Error: Failed to load image file: "${message}"`);
+    process.exit(1);
+  }
 
-if (args.gdb) {
-  const gdbServer = new GDBTCPServer(simulator, 3333);
-  console.log(`RP2040 GDB Server ready! Listening on port ${gdbServer.port}`);
+  if (fs.existsSync('littlefs.img') && !useCircuitPython) {
+    console.log(`Loading uf2 image littlefs.img`);
+    loadMicropythonFlashImage('littlefs.img', mcu);
+  } else if (fs.existsSync('fat12.img') && useCircuitPython) {
+    loadCircuitpythonFlashImage('fat12.img', mcu);
+    // Instead of reading from file, it would also be possible to generate the LittleFS image on-the-fly here, e.g. using
+    // https://github.com/wokwi/littlefs-wasm or https://github.com/littlefs-project/littlefs-js
+  }
 }
 
-const cdc = new USBCDC(mcu.usbCtrl);
-cdc.onDeviceConnected = () => {
-  if (!args.circuitpython) {
-    // We send a newline so the user sees the MicroPython prompt
-    cdc.sendSerialByte('\r'.charCodeAt(0));
-    cdc.sendSerialByte('\n'.charCodeAt(0));
-  } else {
+function handleDeviceConnected(cdc: USBCDC, useCircuitPython: boolean) {
+  if (useCircuitPython) {
     cdc.sendSerialByte(3);
+    return;
   }
-};
 
-let currentLine = '';
-cdc.onSerialData = (value) => {
+  // We send a newline so the user sees the MicroPython prompt
+  cdc.sendSerialByte('\r'.charCodeAt(0));
+  cdc.sendSerialByte('\n'.charCodeAt(0));
+}
+
+function testWriteSerialData(value: Uint8Array, expectText: string, decoder: TextDecoder) {
   process.stdout.write(value);
 
-  for (const byte of value) {
-    const char = String.fromCharCode(byte);
-    if (char === '\n') {
-      if (expectText && currentLine.includes(expectText)) {
-        console.log(`Expected text found: "${expectText}"`);
-        console.log('TEST PASSED.');
-        process.exit(0);
-      }
-      currentLine = '';
-    } else {
-      currentLine += char;
-    }
-  }
-};
+  const current = decoder.decode(value);
 
-if (process.stdin.isTTY) {
-  process.stdin.setRawMode(true);
-}
-process.stdin.on('data', (chunk) => {
-  // 24 is Ctrl+X
-  if (chunk[0] === 24) {
+  if (current.includes(expectText)) {
+    console.log(`\nExpected text found: "${expectText}"`);
+    console.log('TEST PASSED.');
     process.exit(0);
   }
-  for (const byte of chunk) {
-    cdc.sendSerialByte(byte);
+}
+
+function installSerialDataWriter(cdc: USBCDC, expectText: string | null) {
+  if (expectText) {
+    const decoder = new TextDecoder();
+    cdc.onSerialData = (value) => testWriteSerialData(value, expectText, decoder);
+  } else {
+    cdc.onSerialData = (value) => process.stdout.write(value);
+  }
+}
+
+function simulateMicropythonImage(opts: CliOptions) {
+  const simulator = new Simulator();
+  const mcu = simulator.rp2040;
+  mcu.loadBootrom(bootromB1);
+  mcu.logger = new ConsoleLogger(LogLevel.Error);
+
+  loadImage(mcu, opts.image, opts['circuit-python']);
+
+  if (opts.gdb) {
+    const gdbServer = new GDBTCPServer(simulator, opts['gdb-port']);
+    console.log(`RP2040 GDB Server ready! Listening on port ${gdbServer.port}`);
   }
-});
 
-simulator.rp2040.core.PC = 0x10000000;
-simulator.execute();
+  const cdc = new USBCDC(mcu.usbCtrl);
+  cdc.onDeviceConnected = () => handleDeviceConnected(cdc, opts['circuit-python']);
+  installSerialDataWriter(cdc, opts['expect-text']);
+
+  if (process.stdin.isTTY) process.stdin.setRawMode(true);
+
+  process.stdin.on('data', (chunk) => {
+    // 24 is Ctrl+X
+    if (chunk[0] === 24) {
+      process.exit(0);
+    }
+    for (const byte of chunk) {
+      cdc.sendSerialByte(byte);
+    }
+  });
+
+  simulator.rp2040.core.PC = 0x10000000;
+  simulator.execute();
+}
+
+sade('rp2040js-micropython', true)
+  .version(packageJson.version)
+  .describe(packageJson.description)
+  .option('-i, --image', 'UF2 image to load')
+  .option(
+    '-e, --expect-text',
+    'Text to expect on the serial console, process will exit with code 0 if found',
+  )
+  .option('-g, --gdb', 'If a GDB server should be started on 3333 or not', false)
+  .option('-p, --gdb-port', 'The port to start the gdb server on', 3333)
+  .option('-c, --circuit-python', 'If CircuitPython should be used instead of MicroPython', false)
+  .example('--image ./my-image.uf2')
+  .action(simulateMicropythonImage)
+  .parse(process.argv);
diff --git a/package-lock.json b/package-lock.json
index c5abda1923..9e5a920934 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,16 +9,15 @@
       "version": "1.1.1",
       "license": "MIT",
       "devDependencies": {
-        "@types/minimist": "^1.2.2",
         "@types/node": "^18",
         "@typescript-eslint/eslint-plugin": "^6.7.3",
         "@typescript-eslint/parser": "^6.7.3",
         "eslint": "^8.50.0",
         "husky": "^8.0.3",
         "lint-staged": "^15.4.3",
-        "minimist": "^1.2.7",
         "prettier": "^3.0.3",
         "rimraf": "^5.0.5",
+        "sade": "^1.8.1",
         "tsx": "^4.19.3",
         "typescript": "^5.7.3",
         "uf2": "^1.0.0",
@@ -949,12 +948,6 @@
       "integrity": "sha512-RbSSoHliUbnXj3ny0CNFOoxrIDV6SUGyStHsvDqosw6CkdPV8TtWGlfecuK4ToyMEAql6pzNxgCFKanovUzlgQ==",
       "dev": true
     },
-    "node_modules/@types/minimist": {
-      "version": "1.2.2",
-      "resolved": "https://registry.npmjs.org/@types/minimist/-/minimist-1.2.2.tgz",
-      "integrity": "sha512-jhuKLIRrhvCPLqwPcx6INqmKeiA5EWrsCOPhrlFSrbrmU4ZMPjj5Ul/oLCMDO98XRUIwVm78xICz4EPCektzeQ==",
-      "dev": true
-    },
     "node_modules/@types/node": {
       "version": "18.19.76",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-18.19.76.tgz",
@@ -3283,15 +3276,6 @@
         "node": "*"
       }
     },
-    "node_modules/minimist": {
-      "version": "1.2.7",
-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.7.tgz",
-      "integrity": "sha512-bzfL1YUZsP41gmu/qjrEk0Q6i2ix/cVeAhbCbqH9u3zYutS1cLg00qhrD0M2MVdCcx4Sc0UpP2eBWo9rotpq6g==",
-      "dev": true,
-      "funding": {
-        "url": "https://github.com/sponsors/ljharb"
-      }
-    },
     "node_modules/minipass": {
       "version": "7.0.3",
       "resolved": "https://registry.npmjs.org/minipass/-/minipass-7.0.3.tgz",
@@ -3301,6 +3285,16 @@
         "node": ">=16 || 14 >=14.17"
       }
     },
+    "node_modules/mri": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/mri/-/mri-1.2.0.tgz",
+      "integrity": "sha512-tzzskb3bG8LvYGFF/mDTpq3jpI6Q9wc3LEmBaghu+DdCssd1FakN7Bc0hVNmEyGq1bq3RgfkCb3cmQLpNPOroA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=4"
+      }
+    },
     "node_modules/ms": {
       "version": "2.1.3",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
@@ -3888,6 +3882,19 @@
         "queue-microtask": "^1.2.2"
       }
     },
+    "node_modules/sade": {
+      "version": "1.8.1",
+      "resolved": "https://registry.npmjs.org/sade/-/sade-1.8.1.tgz",
+      "integrity": "sha512-xal3CZX1Xlo/k4ApwCFrHVACi9fBqJ7V+mwhBsuf/1IOKbBy098Fex+Wa/5QMubw09pSZ/u8EY8PWgevJsXp1A==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "mri": "^1.1.0"
+      },
+      "engines": {
+        "node": ">=6"
+      }
+    },
     "node_modules/safer-buffer": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
@@ -5341,12 +5348,6 @@
       "integrity": "sha512-RbSSoHliUbnXj3ny0CNFOoxrIDV6SUGyStHsvDqosw6CkdPV8TtWGlfecuK4ToyMEAql6pzNxgCFKanovUzlgQ==",
       "dev": true
     },
-    "@types/minimist": {
-      "version": "1.2.2",
-      "resolved": "https://registry.npmjs.org/@types/minimist/-/minimist-1.2.2.tgz",
-      "integrity": "sha512-jhuKLIRrhvCPLqwPcx6INqmKeiA5EWrsCOPhrlFSrbrmU4ZMPjj5Ul/oLCMDO98XRUIwVm78xICz4EPCektzeQ==",
-      "dev": true
-    },
     "@types/node": {
       "version": "18.19.76",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-18.19.76.tgz",
@@ -6978,18 +6979,18 @@
         "brace-expansion": "^1.1.7"
       }
     },
-    "minimist": {
-      "version": "1.2.7",
-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.7.tgz",
-      "integrity": "sha512-bzfL1YUZsP41gmu/qjrEk0Q6i2ix/cVeAhbCbqH9u3zYutS1cLg00qhrD0M2MVdCcx4Sc0UpP2eBWo9rotpq6g==",
-      "dev": true
-    },
     "minipass": {
       "version": "7.0.3",
       "resolved": "https://registry.npmjs.org/minipass/-/minipass-7.0.3.tgz",
       "integrity": "sha512-LhbbwCfz3vsb12j/WkWQPZfKTsgqIe1Nf/ti1pKjYESGLHIVjWU96G9/ljLH4F9mWNVhlQOm0VySdAWzf05dpg==",
       "dev": true
     },
+    "mri": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/mri/-/mri-1.2.0.tgz",
+      "integrity": "sha512-tzzskb3bG8LvYGFF/mDTpq3jpI6Q9wc3LEmBaghu+DdCssd1FakN7Bc0hVNmEyGq1bq3RgfkCb3cmQLpNPOroA==",
+      "dev": true
+    },
     "ms": {
       "version": "2.1.3",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
@@ -7368,6 +7369,15 @@
         "queue-microtask": "^1.2.2"
       }
     },
+    "sade": {
+      "version": "1.8.1",
+      "resolved": "https://registry.npmjs.org/sade/-/sade-1.8.1.tgz",
+      "integrity": "sha512-xal3CZX1Xlo/k4ApwCFrHVACi9fBqJ7V+mwhBsuf/1IOKbBy098Fex+Wa/5QMubw09pSZ/u8EY8PWgevJsXp1A==",
+      "dev": true,
+      "requires": {
+        "mri": "^1.1.0"
+      }
+    },
     "safer-buffer": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
diff --git a/package.json b/package.json
index 387a115d87..30305b7ea2 100644
--- a/package.json
+++ b/package.json
@@ -44,6 +44,7 @@
   },
   "scripts": {
     "build": "rimraf dist && tsc && tsc -p tsconfig.cjs.json && node build-scripts/dist-package-json",
+    "build:demo": "rimraf dist && tsc -p tsconfig.demo.json",
     "prepublish": "npm run build",
     "prepare": "husky install",
     "format:check": "prettier --check **/*.{ts,js} !**/dist/** !**/node_modules/**",
@@ -57,16 +58,15 @@
     "test:micropython-spi": "tsx test/micropython-spi-test.ts"
   },
   "devDependencies": {
-    "@types/minimist": "^1.2.2",
     "@types/node": "^18",
     "@typescript-eslint/eslint-plugin": "^6.7.3",
     "@typescript-eslint/parser": "^6.7.3",
     "eslint": "^8.50.0",
     "husky": "^8.0.3",
     "lint-staged": "^15.4.3",
-    "minimist": "^1.2.7",
     "prettier": "^3.0.3",
     "rimraf": "^5.0.5",
+    "sade": "^1.8.1",
     "tsx": "^4.19.3",
     "typescript": "^5.7.3",
     "uf2": "^1.0.0",
diff --git a/test/micropython-spi-test.ts b/test/micropython-spi-test.ts
index 8285f55d0d..50bc433a44 100644
--- a/test/micropython-spi-test.ts
+++ b/test/micropython-spi-test.ts
@@ -1,36 +1,38 @@
 import fs from 'fs';
-import minimist from 'minimist';
+import sade from 'sade';
+import packageJson from '../package.json';
+import { ConsoleLogger, LogLevel } from '../src/utils/logging.js';
+import { GPIOPinState, Simulator } from '../src/index.js';
 import { bootromB1 } from '../demo/bootrom.js';
 import { loadMicropythonFlashImage, loadUF2 } from '../demo/load-flash.js';
-import { GPIOPinState, Simulator } from '../src/index.js';
-import { ConsoleLogger, LogLevel } from '../src/utils/logging.js';
 
-const args = minimist(process.argv.slice(2));
-
-const simulator = new Simulator();
-const mcu = simulator.rp2040;
-mcu.loadBootrom(bootromB1);
-mcu.logger = new ConsoleLogger(LogLevel.Error);
+type CliOpts = {
+  _: string[];
+};
 
-const imageName = 'micropython.uf2';
-console.log(`Loading uf2 image ${imageName}`);
-loadUF2(imageName, mcu);
+function runTest(opts: CliOpts) {
+  const simulator = new Simulator();
+  const mcu = simulator.rp2040;
+  mcu.loadBootrom(bootromB1);
+  mcu.logger = new ConsoleLogger(LogLevel.Error);
 
-const littlefs = 'littlefs-spi.img';
+  const imageName = 'micropython.uf2';
+  console.log(`Loading uf2 image ${imageName}`);
+  loadUF2(imageName, mcu);
 
-if (fs.existsSync(littlefs)) {
-  console.log(`Loading littlefs image ${littlefs}`);
-  loadMicropythonFlashImage(littlefs, mcu);
-}
+  const littlefs = 'littlefs-spi.img';
 
-let spiBuf = '';
-mcu.gpio[5].addListener((state: GPIOPinState, oldState: GPIOPinState) => {
-  if (!spiBuf) {
-    return;
+  if (fs.existsSync(littlefs)) {
+    console.log(`Loading littlefs image ${littlefs}`);
+    loadMicropythonFlashImage(littlefs, mcu);
   }
 
-  if (state === GPIOPinState.High && oldState === GPIOPinState.Low) {
-    if (spiBuf !== args._?.shift()) {
+  let spiBuf = '';
+  mcu.gpio[5].addListener((state: GPIOPinState, oldState: GPIOPinState) => {
+    if (!spiBuf) return;
+    if (state !== GPIOPinState.High || oldState !== GPIOPinState.Low) return;
+
+    if (spiBuf !== opts._?.shift()) {
       console.log('SPI TEST FAILED.');
       process.exit(1);
     } else {
@@ -38,20 +40,28 @@ mcu.gpio[5].addListener((state: GPIOPinState, oldState: GPIOPinState) => {
       spiBuf = '';
     }
 
-    if (args._.length === 0) {
+    if (opts._.length === 0) {
       console.log('SPI TEST PASSED.');
       process.exit(0);
     }
-  }
-});
-
-const transmitAlarm = mcu.clock.createAlarm(() => {
-  mcu.spi[0].completeTransmit(0);
-});
-mcu.spi[0].onTransmit = (char) => {
-  spiBuf += String.fromCharCode(char);
-  transmitAlarm.schedule(2000); // 2us per byte, so 4 MHz SPI
-};
+  });
+
+  const transmitAlarm = mcu.clock.createAlarm(() => {
+    mcu.spi[0].completeTransmit(0);
+  });
+
+  mcu.spi[0].onTransmit = (char) => {
+    spiBuf += String.fromCharCode(char);
+    transmitAlarm.schedule(2000); // 2us per byte, so 4 MHz SPI
+  };
+
+  mcu.core.PC = 0x10000000;
+  simulator.execute();
+}
 
-mcu.core.PC = 0x10000000;
-simulator.execute();
+sade('test', true)
+  .version(packageJson.version)
+  .describe(packageJson.description)
+  .example('test "hello world" "h" "0123456789abcdef0123456789abcdef0123456789abcdef"')
+  .action(runTest)
+  .parse(process.argv);
diff --git a/tsconfig.demo.json b/tsconfig.demo.json
new file mode 100644
index 0000000000..e3e056adf7
--- /dev/null
+++ b/tsconfig.demo.json
@@ -0,0 +1,10 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "rootDir": ".",
+    "outDir": "./dist",
+    "resolveJsonModule": true
+  },
+  "include": ["src/**/*.ts", "demo/**/*.ts"],
+  "exclude": ["src/**/*.spec.ts", "demo/**/*.spec.ts"]
+}