add makeosc utility

apps/makeosc/.gitignore

@@ -0,0 +1 @@
+dist

apps/makeosc/README.md

@@ -0,0 +1,41 @@
+![npm](https://img.shields.io/npm/v/makeosc)
+
+# makeosc
+
+Simple NodeJS script for generating OSC bytes output to stdout.
+
+## Usage
+
+```
+Usage: makeosc [options]
+
+simple util to make osc buffers
+
+Options:
+  -V, --version        output the version number
+  --address <address>  OSC address
+  --args <args...>     osc args (default: [])
+  --slip               slip encode message (default: false)
+  --types <types...>   osc arg types (choices: "s", "i", "f", "b", default: [])
+  -h, --help           display help for command
+```
+
+- using npx `npx makeosc@latest --address /hello`
+- install using `npm install -g makeosc@latest` and run `makeosc --address /hello`
+
+## Notes
+
+- `--types` option is a space seperate list of type characters that will determine what the corresponding argument type will be set to
+  - optional
+  - uses type codes from the OSC spec
+- `--args` option is a space-separated list of arguments. If a corresponding type is not found in the `--types` option it will default to string (`s`).
+  - blobs (`b`) are to be entered as hex string representing the buffer to be sent so the ASCII string `hello` would be `68656c6c6f`
+- the default protocol is UDP but can be changed to TCP using the `--protocol` flag
+
+## Examples
+
+- `makeosc --address /test --args 1.0`
+- `makeosc --address /this/is/sent/via/tcp`
+- `makeosc --address /test/with/types --args 1 2.0 three --types i f`
+  - note that `types` is not the same length as `args` so the remaining argument (`three`) will default to string
+- `makeosc --address /blob --args 68656c6c6f --types b`

apps/makeosc/package.json

@@ -0,0 +1,33 @@
+{
+  "name": "makeosc",
+  "version": "0.0.1",
+  "description": "Simple NodeJS utility for generating osc buffers",
+  "main": "dist/main.js",
+  "bin": {
+    "makeosc": "dist/main.js"
+  },
+  "scripts": {
+    "prebuild": "rimraf dist",
+    "build": "esbuild src/main.js --bundle --platform=node --outfile=dist/main.js",
+    "prepack": "npm run build"
+  },
+  "author": {
+    "name": "Joel Wetzell",
+    "email": "me@jwetzell.com",
+    "url": "https://jwetzell.com"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/jwetzell/osc-js.git"
+  },
+  "license": "MIT",
+  "dependencies": {
+    "@jwetzell/osc": "0.2.2",
+    "commander": "^11.0.0",
+    "slip": "^1.0.2"
+  },
+  "devDependencies": {
+    "esbuild": "0.24.0",
+    "rimraf": "6.0.1"
+  }
+}

apps/makeosc/src/main.js

@@ -0,0 +1,45 @@
+#!/usr/bin/env node
+
+const { Option, program } = require('commander');
+const slip = require('slip');
+const { argToTypedArg } = require('./utils');
+const osc = require('@jwetzell/osc');
+const packageInfo = require('../package.json');
+
+program.name(packageInfo.name);
+program.version(packageInfo.version);
+program.description('simple util to make osc buffers');
+program.addOption(new Option('--address <address>', 'OSC address').makeOptionMandatory());
+program.addOption(new Option('--args <args...>', 'osc args').default([]));
+program.addOption(new Option('--slip', 'slip encode message').default(false));
+program.addOption(new Option('--types <types...>', 'osc arg types').choices(['s', 'i', 'f', 'b']).default([]));
+program.action((options) => {
+  const { address, args, types } = options;
+
+  const typedArgs = args?.map((rawArg, index) => {
+    const argType = types[index] || 's';
+
+    return {
+      type: argType,
+      value: argToTypedArg(rawArg, argType),
+    };
+  });
+
+  let oscMsgBuffer = osc.messageToBuffer({
+    address,
+    args: typedArgs,
+  });
+
+  if (options.slip) {
+    oscMsgBuffer = slip.encode(oscMsgBuffer);
+  }
+
+  process.stdout.write(oscMsgBuffer);
+});
+program.parse();
+
+process.stdout.on('error', (err) => {
+  if (err.code === 'EPIPE') {
+    process.exit(0);
+  }
+});

apps/makeosc/src/utils.js

@@ -0,0 +1,31 @@
+const oscTypeConverterMap = {
+  s: {
+    fromString: (string) => string,
+  },
+  f: {
+    fromString: (string) => Number.parseFloat(string),
+  },
+  i: {
+    fromString: (string) => Number.parseInt(string, 10),
+  },
+  b: {
+    fromString: (string) => Buffer.from(string, 'hex'),
+  },
+};
+
+function argToTypedArg(rawArg, type = 's') {
+  const typeConverter = oscTypeConverterMap[type];
+  if (typeConverter === undefined) {
+    throw new Error('osc type error: unknown type '.concat(type));
+  }
+
+  if (typeConverter.fromString === undefined) {
+    throw new Error('osc type error: no string converter for type '.concat(type));
+  }
+
+  return typeConverter.fromString(rawArg);
+}
+
+module.exports = {
+  argToTypedArg,
+};