danielsharvey · June 6, 2019 02:47 · Jun 6, 2019 · Feb 13, 2018
diff --git a/build_number.json b/build_number.json
@@ -0,0 +1,3 @@
+{
+    "buildNumber": 1
+}
diff --git a/package-partial.json b/package-partial.json
@@ -0,0 +1,5 @@
+{
+  "scripts": {
+    "prestart": "node version.js"
+  }
+}
diff --git a/version.ts b/version.ts
@@ -1,21 +1,62 @@
+
+// See https://medium.com/@amcdnl/version-stamping-your-app-with-the-angular-cli-d563284bb94d
+
 const { gitDescribeSync } = require('git-describe');
-const { version } = require('../package.json');
 const { resolve, relative } = require('path');
 const { writeFileSync } = require('fs-extra');
 
+const moment = require('moment');
+
+const { version } = require('./package.json');
+var { buildNumber } = require('./build_number.json');
+
+buildNumber++;
+
 const gitInfo = gitDescribeSync({
     dirtyMark: false,
     dirtySemver: false
 });
 
-gitInfo.version = version;
+let prerelease = version.split('-');
+let _version = prerelease.shift();
+let [major, minor, patch] = _version.split('.');
+
+if(gitInfo.dirty) prerelease.push('dirty');
+
+let raw = [_version, ...prerelease].join('-');
+let build = [buildNumber, gitInfo.distance, gitInfo.hash].filter(v => v).join('.');
+
+// full: <version>[-prerelease][-dirty]+<buildNumber>.<distance>.<sha>
+
+let versionInfo = {
+  raw: raw, // '4.0.0-rc.6',
+  major: major, // 4,
+  minor: minor, // 0,
+  patch: patch, // 0,
+  prerelease: prerelease, // [ 'local' ],
+  buildNumber: buildNumber,
+  build: build, // 'sha.73808dd',
+  version: version, // '4.0.0-local',
+  // codeName: 'snapshot',
+  // isSnapshot: true,
+  full: [raw, build].join('+'), // '4.0.0-local+sha.73808dd',
+  // branch: 'master',
+  // commitSHA: '73808dd38b5ccd729404936834d1568bd066de81'
+  hash: gitInfo.hash,
+  buildDate: moment().format(),
+};
+
+const bnFile = resolve(__dirname, 'build_number.json');
+writeFileSync(bnFile,
+`${JSON.stringify({buildNumber:buildNumber}, null, 4)}
+`, { encoding: 'utf-8' });
 
-const file = resolve(__dirname, '..', 'src', 'environments', 'version.ts');
+const file = resolve(__dirname, 'angular_src', 'environments', 'version.ts');
 writeFileSync(file,
 `// IMPORTANT: THIS FILE IS AUTO GENERATED! DO NOT MANUALLY EDIT OR CHECKIN!
 /* tslint:disable */
-export const VERSION = ${JSON.stringify(gitInfo, null, 4)};
+export const VERSION = ${JSON.stringify(versionInfo, null, 4)};
 /* tslint:enable */
 `, { encoding: 'utf-8' });
 
-console.log(`Wrote version info ${gitInfo.raw} to ${relative(resolve(__dirname, '..'), file)}`);
+console.log(`Wrote version info ${versionInfo.version} to ${relative(resolve(__dirname, '.'), file)}`);
diff --git a/version.ts b/version.ts
@@ -0,0 +1,21 @@
+const { gitDescribeSync } = require('git-describe');
+const { version } = require('../package.json');
+const { resolve, relative } = require('path');
+const { writeFileSync } = require('fs-extra');
+
+const gitInfo = gitDescribeSync({
+    dirtyMark: false,
+    dirtySemver: false
+});
+
+gitInfo.version = version;
+
+const file = resolve(__dirname, '..', 'src', 'environments', 'version.ts');
+writeFileSync(file,
+`// IMPORTANT: THIS FILE IS AUTO GENERATED! DO NOT MANUALLY EDIT OR CHECKIN!
+/* tslint:disable */
+export const VERSION = ${JSON.stringify(gitInfo, null, 4)};
+/* tslint:enable */
+`, { encoding: 'utf-8' });
+
+console.log(`Wrote version info ${gitInfo.raw} to ${relative(resolve(__dirname, '..'), file)}`);