feat: updating cargo.toml and package.json before version commit and tag

* Related #28

Author: tegefaulkes

package.json

@@ -20,7 +20,7 @@
     "prepare": "tsc -p ./tsconfig.build.json",
     "prebuild": "node ./scripts/prebuild.js",
     "build": "rimraf ./dist && tsc -p ./tsconfig.build.json",
-    "postversion": "node ./scripts/postversion.js",
+    "version": "node ./scripts/version.js",
     "prepublishOnly": "node ./scripts/prepublishOnly.js",
     "ts-node": "ts-node",
     "test": "jest",

scripts/postversion.js renamed to scripts/version.js

@@ -1,8 +1,9 @@
 #!/usr/bin/env node
 
 /**
- * This runs after `npm version` command.
- * This will update the `package.json` optional native dependencies
+ * This runs after `npm version` command updates the version but before changes are commited.
+ * This will update the `cargo.toml` version to match the new `package.json` verson.
+ * This will also update the `package.json` optional native dependencies
  * to match the same version as the version of this package.
  * This maintains the same version between this master package
  * and the optional native dependencies.
@@ -12,6 +13,9 @@
  * to prevent `npm` from attempting to download unpublished packages.
  */
 
+const process = require('process');
+const path = require('path');
+const fs = require('fs');
 const os = require('os');
 const childProcess = require('child_process');
 const packageJSON = require('../package.json');
@@ -20,6 +24,27 @@ const platform = os.platform();
 
 /* eslint-disable no-console */
 async function main() {
+
+  console.error(
+    'Updating the cargo.toml version to match new version',
+  );
+  const projectRoot = path.join(__dirname, '..');
+  const cargoTOMLPath = path.join(projectRoot, 'Cargo.toml');
+  const cargoTOML = await fs.promises.readFile(cargoTOMLPath, 'utf-8');
+  const cargoTOMLMatch = cargoTOML.match(/version\s*=\s*"(.*)"/);
+  const cargoTOMLUpdated = cargoTOML.replace(cargoTOMLMatch[0], `version = "${packageJSON.version}"`);
+  await fs.promises.writeFile(cargoTOMLPath, cargoTOMLUpdated, 'utf-8');
+
+  console.error(
+    'Staging changes in git',
+  );
+  childProcess.execFileSync('git', ['add', cargoTOMLPath], {
+    stdio: ['inherit', 'inherit', 'inherit'],
+    windowsHide: true,
+    encoding: 'utf-8',
+    shell: platform === 'win32' ? true : false,
+  });
+
   console.error(
     'Updating the package.json with optional native dependencies and package-lock.json',
   );