Include package version and git revision during build

eslint.config.js

@@ -5,7 +5,7 @@ import eslintPluginPrettierRecommended from 'eslint-plugin-prettier/recommended'
 import tseslint from 'typescript-eslint';
 
 export default tseslint.config(
-    { ignores: ['dist/*', 'eslint.config.js'] },
+    { ignores: ['dist/*', 'eslint.config.js', 'prebuild.js', 'postbuild.js'] },
     eslint.configs.recommended,
     ...tseslint.configs.recommendedTypeChecked,
     ...tseslint.configs.stylisticTypeChecked,

package.json

@@ -49,6 +49,7 @@
     "mocha": "^10.7.3",
     "mocha-ctrf-json-reporter": "^0.0.6",
     "prettier": "3.3.3",
+    "replace-in-file": "^8.1.0",
     "rimraf": "^6.0.1",
     "ts-node": "^10.9.2",
     "tsx": "^4.18.0",
@@ -75,6 +76,6 @@
     "lint": "eslint src tests",
     "format": "prettier --write src tests",
     "test": "mocha 'tests/**/*test.ts'",
-    "build": "rimraf dist && tsc -p tsconfig.json"
+    "build": "rimraf dist && node prebuild.js && tsc -p tsconfig.json; node postbuild.js"
   }
 }

postbuild.js

@@ -0,0 +1,5 @@
+import * as fs from 'node:fs';
+
+try {
+    fs.renameSync('src/util/Version.ts.bak', 'src/util/Version.ts');
+} catch {}

prebuild.js

@@ -0,0 +1,13 @@
+import {replaceInFileSync} from 'replace-in-file'
+import {execSync} from 'node:child_process';
+import * as fs from 'node:fs';
+
+const gitRevision = execSync('git rev-parse --short HEAD').toString().trim();
+
+fs.copyFileSync('src/util/Version.ts', 'src/util/Version.ts.bak');
+
+replaceInFileSync({
+    files: 'src/util/Version.ts',
+    from: '@VERSION@',
+    to: `${process.env.npm_package_version}-${gitRevision}`,
+});

src/util/Version.ts

@@ -1,6 +1,6 @@
 export class Version {
     public static readonly productName = 'c2pa-ts';
-    public static readonly productVersion = '0.1.0';
+    public static readonly productVersion = '@VERSION@';
 
     private constructor() {}
 }