From 3b133729dc473e9cc023a3885aaa26c71e7b3fcf Mon Sep 17 00:00:00 2001
From: Ryan Welcher <me@ryanwelcher.com>
Date: Fri, 7 Oct 2022 11:10:05 -0400
Subject: [PATCH] [Create Block] Allows custom keys to be generated in
 block.json files and package.json files (#44649)

* Add any custom fields added to template defaults or variants to the block.json file.

* Introduce customPackageJSON to template to allow customization of the resulting package.json file.

* Update changelog.

* Update changelog to include PR reference.

* Provide a dedicated key for customBlockJSON.

* Update changelog.

* Add docs for new template properties.
---
 packages/create-block/CHANGELOG.md              | 4 ++++
 packages/create-block/docs/external-template.md | 2 ++
 packages/create-block/lib/init-block.js         | 2 ++
 packages/create-block/lib/init-package-json.js  | 2 ++
 packages/create-block/lib/scaffold.js           | 4 ++++
 5 files changed, 14 insertions(+)

diff --git a/packages/create-block/CHANGELOG.md b/packages/create-block/CHANGELOG.md
index b2ed3b07f182e..e638ddbb49c41 100644
--- a/packages/create-block/CHANGELOG.md
+++ b/packages/create-block/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+### New Feature
+
+-   Add new `customPackageJSON` and `customBlockJSON` keys to allow templates to define custom keys for the resulting `package.json` and `block.json` files respectively.[#44649](https://github.com/WordPress/gutenberg/pull/44649)
+
 ## 4.3.0 (2022-10-05)
 
 ## 4.2.0 (2022-09-21)
diff --git a/packages/create-block/docs/external-template.md b/packages/create-block/docs/external-template.md
index cb06530ee165a..5eac143a49f1a 100644
--- a/packages/create-block/docs/external-template.md
+++ b/packages/create-block/docs/external-template.md
@@ -74,6 +74,7 @@ The following configurable variables are used with the template files. Template
 -   `customScripts` (default: {}) – the list of custom scripts to add to `package.json` . It also allows overriding default scripts.
 -   `npmDependencies` (default: `[]`) – the list of remote npm packages to be installed in the project with [`npm install`](https://docs.npmjs.com/cli/v8/commands/npm-install) when `wpScripts` is enabled.
 -   `npmDevDependencies` (default: `[]`) – the list of remote npm packages to be installed in the project with [`npm install --save-dev`](https://docs.npmjs.com/cli/v8/commands/npm-install) when `wpScripts` is enabled.
+-   `customPackageJSON` (no default) - allows definition of additional properties for the generated package.json file.
 
 **Plugin header fields** ([learn more](https://developer.wordpress.org/plugins/plugin-basics/header-requirements/)):
 
@@ -101,3 +102,4 @@ The following configurable variables are used with the template files. Template
 -   `editorScript` (default: `'file:./index.js'`) – an editor script definition.
 -   `editorStyle` (default: `'file:./index.css'`) – an editor style definition.
 -   `style` (default: `'file:./style-index.css'`) – a frontend and editor style definition.
+-   `customBlockJSON` (no default) - allows definition of additional properties for the generated block.json file.
diff --git a/packages/create-block/lib/init-block.js b/packages/create-block/lib/init-block.js
index f58008e7f5252..e8a321f85fed7 100644
--- a/packages/create-block/lib/init-block.js
+++ b/packages/create-block/lib/init-block.js
@@ -29,6 +29,7 @@ async function initBlockJSON( {
 	editorScript,
 	editorStyle,
 	style,
+	customBlockJSON,
 } ) {
 	info( '' );
 	info( 'Creating a "block.json" file.' );
@@ -56,6 +57,7 @@ async function initBlockJSON( {
 					editorScript,
 					editorStyle,
 					style,
+					...customBlockJSON,
 				} ).filter( ( [ , value ] ) => !! value )
 			),
 			null,
diff --git a/packages/create-block/lib/init-package-json.js b/packages/create-block/lib/init-package-json.js
index 06bb170394d01..bbc4436ac1d0e 100644
--- a/packages/create-block/lib/init-package-json.js
+++ b/packages/create-block/lib/init-package-json.js
@@ -24,6 +24,7 @@ module.exports = async ( {
 	npmDevDependencies,
 	customScripts,
 	isDynamicVariant,
+	customPackageJSON,
 } ) => {
 	const cwd = join( process.cwd(), slug );
 
@@ -58,6 +59,7 @@ module.exports = async ( {
 					...( wpEnv && { env: 'wp-env' } ),
 					...customScripts,
 				},
+				...customPackageJSON,
 			} ).filter( ( [ , value ] ) => !! value )
 		)
 	);
diff --git a/packages/create-block/lib/scaffold.js b/packages/create-block/lib/scaffold.js
index 5f603ed346633..6f57cdb85a393 100644
--- a/packages/create-block/lib/scaffold.js
+++ b/packages/create-block/lib/scaffold.js
@@ -44,6 +44,8 @@ module.exports = async (
 		editorStyle,
 		style,
 		variantVars,
+		customPackageJSON,
+		customBlockJSON,
 	}
 ) => {
 	slug = slug.toLowerCase();
@@ -99,6 +101,8 @@ module.exports = async (
 		editorScript,
 		editorStyle,
 		style,
+		customPackageJSON,
+		customBlockJSON,
 		...variantVars,
 	};