Add back format-js with a deprecation note

package.json

@@ -230,6 +230,7 @@
  "fixtures:generate": "cross-env GENERATE_MISSING_FIXTURES=y npm run test-unit",
  "fixtures:regenerate": "npm run fixtures:clean && npm run fixtures:generate",
  "format": "wp-scripts format",
+ "format-js": "wp-scripts format-js",
  "format-php": "wp-env run composer run-script format",
  "lint": "concurrently \"npm run lint-lockfile\" \"npm run lint-js\" \"npm run lint-pkg-json\" \"npm run lint-css\"",
  "lint-js": "wp-scripts lint-js",

packages/scripts/scripts/format-js.js

@@ -0,0 +1,36 @@
+/**
+ * External dependencies
+ */
+const chalk = require( 'chalk' );
+
+/**
+ * Internal dependencies
+ */
+const { getNodeArgsFromCLI, spawnScript } = require( '../utils' );
+
+const { scriptArgs, nodeArgs } = getNodeArgsFromCLI();
+
+const keypress = async () => {
+ process.stdin.setRawMode( true );
+ return new Promise( ( resolve ) =>
+ process.stdin.once( 'data', () => {
+ process.stdin.setRawMode( false );
+ resolve();
+ } )
+ );
+};
+
+( async () => {
+ const message =
+ `Please note that the ${ chalk.red(
+ 'format-js'
+ ) } script has been renamed to ${ chalk.green( 'format' ) }.\n` +
+ "If you're calling it from any of your own scripts, please update them accordingly.\n" +
+ 'Press any key to continiue.';
+
+ // eslint-disable-next-line no-console
+ console.log( message );
+
+ await keypress();
+ spawnScript( 'format', scriptArgs, nodeArgs );
+} )();