switch sendosc to osc library

apps/sendosc/package.json

@@ -22,6 +22,7 @@
   },
   "license": "MIT",
   "dependencies": {
+    "@jwetzell/osc": "0.2.2",
     "commander": "^11.0.0",
     "slip": "^1.0.2"
   },

apps/sendosc/src/main.js

@@ -4,7 +4,8 @@ const { Option, program } = require('commander');
 const dgram = require('dgram');
 const net = require('net');
 const slip = require('slip');
-const osc = require('./osc');
+const osc = require('@jwetzell/osc');
+const {argToTypedArg} = require('./utils')
 const packageInfo = require('../package.json');
 
 program.name(packageInfo.name);
@@ -25,11 +26,11 @@ program.action((options) => {
 
     return {
       type: argType,
-      value: osc.argToTypedArg(rawArg, argType),
+      value: argToTypedArg(rawArg, argType),
     };
   });
 
-  let oscMsgBuffer = osc.toBuffer({
+  let oscMsgBuffer = osc.messageToBuffer({
     address,
     args: typedArgs,
   });

apps/sendosc/src/osc.js

@@ -1,83 +0,0 @@
-const oscTypeConverterMap = {
-  s: {
-    toBuffer: (string) => {
-      let oscString = `${string}\u0000`;
-      const padSize = 4 - (oscString.length % 4);
-      if (padSize < 4) {
-        oscString = oscString.padEnd(oscString.length + padSize, '\u0000');
-      }
-      return Buffer.from(oscString, 'ascii');
-    },
-    fromString: (string) => string,
-  },
-  f: {
-    toBuffer: (number) => {
-      const buffer = Buffer.alloc(4);
-      buffer.writeFloatBE(number);
-      return buffer;
-    },
-    fromString: (string) => Number.parseFloat(string),
-  },
-  i: {
-    toBuffer: (number) => {
-      const buffer = Buffer.alloc(4);
-      buffer.writeInt32BE(number);
-      return buffer;
-    },
-    fromString: (string) => Number.parseInt(string, 10),
-  },
-  b: {
-    toBuffer: (data) => {
-      const sizeBuffer = oscTypeConverterMap.i.toBuffer(data.length);
-      const padSize = 4 - (data.length % 4);
-      const padBuffer = Buffer.from(Array(padSize).fill(0));
-      return Buffer.concat([sizeBuffer, data, padBuffer]);
-    },
-    fromString: (string) => Buffer.from(string, 'hex'),
-  },
-};
-
-function argsToBuffer(args) {
-  const argBuffers = [];
-
-  for (let index = 0; index < args.length; index += 1) {
-    const arg = args[index];
-    const typeConverter = oscTypeConverterMap[arg.type];
-    if (typeConverter === undefined) {
-      throw new Error('osc type error: unknown type '.concat(arg.type));
-    }
-
-    if (typeConverter.fromString === undefined) {
-      throw new Error('osc type error: no string converter for type '.concat(arg.type));
-    }
-
-    argBuffers.push(typeConverter.toBuffer(arg.value));
-  }
-  return Buffer.concat(argBuffers);
-}
-
-function toBuffer({ address, args }) {
-  const addressBuffer = oscTypeConverterMap.s.toBuffer(address);
-  const typeString = args.map((arg) => arg.type).join('');
-  const typesBuffer = oscTypeConverterMap.s.toBuffer(`,${typeString}`);
-  const argsBuffer = argsToBuffer(args);
-  return Buffer.concat([addressBuffer, typesBuffer, argsBuffer]);
-}
-
-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 = {
-  toBuffer,
-  argToTypedArg,
-};

apps/sendosc/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,
+};

package-lock.json

@@ -22,6 +22,7 @@
       "version": "1.0.1",
       "license": "MIT",
       "dependencies": {
+        "@jwetzell/osc": "0.2.2",
         "commander": "^11.0.0",
         "slip": "^1.0.2"
       },