From 38346c679a8cb7ce328a9584a18529110f641325 Mon Sep 17 00:00:00 2001
From: Kamil Piechaczek <pomek@users.noreply.github.com>
Date: Thu, 17 Oct 2024 10:17:25 +0200
Subject: [PATCH] Feature (release-tools): Created a new util exposed as
 `getNextInternal()` to generate an internal release version, e.g.
 `0.0.0-internal-20240102.0`.

---
 .../ckeditor5-dev-release-tools/lib/index.js  |  1 +
 .../lib/utils/versions.js                     | 32 +++++++++++++++----
 .../tests/index.js                            |  8 +++++
 .../tests/utils/versions.js                   | 30 +++++++++++++++++
 4 files changed, 65 insertions(+), 6 deletions(-)

diff --git a/packages/ckeditor5-dev-release-tools/lib/index.js b/packages/ckeditor5-dev-release-tools/lib/index.js
index d547988d8..7ea9bb078 100644
--- a/packages/ckeditor5-dev-release-tools/lib/index.js
+++ b/packages/ckeditor5-dev-release-tools/lib/index.js
@@ -20,6 +20,7 @@ export {
 	getNextPreRelease,
 	getLastNightly,
 	getNextNightly,
+	getNextInternal,
 	getCurrent,
 	getLastTagFromGit
 } from './utils/versions.js';
diff --git a/packages/ckeditor5-dev-release-tools/lib/utils/versions.js b/packages/ckeditor5-dev-release-tools/lib/utils/versions.js
index adca5e36c..50ec2c066 100644
--- a/packages/ckeditor5-dev-release-tools/lib/utils/versions.js
+++ b/packages/ckeditor5-dev-release-tools/lib/utils/versions.js
@@ -93,16 +93,24 @@ export async function getNextPreRelease( releaseIdentifier, cwd = process.cwd()
  * @returns {Promise<string>}
  */
 export async function getNextNightly( cwd = process.cwd() ) {
-	const today = new Date();
-	const year = today.getFullYear().toString();
-	const month = ( today.getMonth() + 1 ).toString().padStart( 2, '0' );
-	const day = today.getDate().toString().padStart( 2, '0' );
-
-	const nextNightlyReleaseIdentifier = `0.0.0-nightly-${ year }${ month }${ day }`;
+	const nextNightlyReleaseIdentifier = `0.0.0-nightly-${ getDateIdentifier() }`;
 
 	return getNextPreRelease( nextNightlyReleaseIdentifier, cwd );
 }
 
+/**
+ * Returns the next available internal version in the format of "0.0.0-internal-YYYYMMDD.X", where the "YYYYMMDD" is the current date for
+ * the internal release and the "X" is the sequential number starting from 0.
+ *
+ * @param {string} [cwd=process.cwd()]
+ * @returns {Promise<string>}
+ */
+export async function getNextInternal( cwd = process.cwd() ) {
+	const nextInternalReleaseIdentifier = `0.0.0-internal-${ getDateIdentifier() }`;
+
+	return getNextPreRelease( nextInternalReleaseIdentifier, cwd );
+}
+
 /**
  * Returns a name of the last created tag.
  *
@@ -129,6 +137,18 @@ export function getCurrent( cwd = process.cwd() ) {
 	return getPackageJson( cwd ).version;
 }
 
+/**
+ * @returns {string}
+ */
+function getDateIdentifier() {
+	const today = new Date();
+	const year = today.getFullYear().toString();
+	const month = ( today.getMonth() + 1 ).toString().padStart( 2, '0' );
+	const day = today.getDate().toString().padStart( 2, '0' );
+
+	return `${ year }${ month }${ day }`;
+}
+
 /**
  * @typedef {string} ReleaseIdentifier The pre-release identifier without the last dynamic part (the pre-release sequential number).
  * It consists of the core base version ("<major>.<minor>.<path>"), a hyphen ("-"), and a pre-release identifier name (e.g. "alpha").
diff --git a/packages/ckeditor5-dev-release-tools/tests/index.js b/packages/ckeditor5-dev-release-tools/tests/index.js
index dd4bb16b2..95a386969 100644
--- a/packages/ckeditor5-dev-release-tools/tests/index.js
+++ b/packages/ckeditor5-dev-release-tools/tests/index.js
@@ -24,6 +24,7 @@ import {
 	getNextPreRelease,
 	getLastNightly,
 	getNextNightly,
+	getNextInternal,
 	getCurrent,
 	getLastTagFromGit
 } from '../lib/utils/versions.js';
@@ -179,6 +180,13 @@ describe( 'dev-release-tools/index', () => {
 		} );
 	} );
 
+	describe( 'getNextInternal()', () => {
+		it( 'should be a function', () => {
+			expect( getNextInternal ).to.be.a( 'function' );
+			expect( index.getNextInternal ).to.equal( getNextInternal );
+		} );
+	} );
+
 	describe( 'getLastTagFromGit()', () => {
 		it( 'should be a function', () => {
 			expect( getLastTagFromGit ).to.be.a( 'function' );
diff --git a/packages/ckeditor5-dev-release-tools/tests/utils/versions.js b/packages/ckeditor5-dev-release-tools/tests/utils/versions.js
index c774e54a1..2b1d7105e 100644
--- a/packages/ckeditor5-dev-release-tools/tests/utils/versions.js
+++ b/packages/ckeditor5-dev-release-tools/tests/utils/versions.js
@@ -15,6 +15,7 @@ import {
 	getLastNightly,
 	getNextPreRelease,
 	getNextNightly,
+	getNextInternal,
 	getLastTagFromGit,
 	getCurrent
 } from '../../lib/utils/versions.js';
@@ -355,6 +356,35 @@ describe( 'versions', () => {
 		} );
 	} );
 
+	describe( 'getNextInternal()', () => {
+		beforeEach( () => {
+			vi.mocked( getPackageJson ).mockReturnValue( { name: 'ckeditor5' } );
+
+			vi.useFakeTimers();
+			vi.setSystemTime( new Date( '2023-06-15 12:00:00' ) );
+		} );
+
+		afterEach( () => {
+			vi.useRealTimers();
+		} );
+
+		it( 'asks for a last internal pre-release version', () => {
+			vi.mocked( pacote ).packument.mockResolvedValue( {
+				name: 'ckeditor5',
+				versions: {
+					'0.0.0-internal-20230615.0': {},
+					'37.0.0-alpha.0': {},
+					'42.0.0': {}
+				}
+			} );
+
+			return getNextInternal()
+				.then( result => {
+					expect( result ).to.equal( '0.0.0-internal-20230615.1' );
+				} );
+		} );
+	} );
+
 	describe( 'getLastTagFromGit()', () => {
 		it( 'returns last tag if exists', () => {
 			vi.mocked( tools.shExec ).mockReturnValue( 'v1.0.0' );