Actually add all the code.

plugins/acf-pods-bindings/.editorconfig

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+# This file is for unifying the coding style for different editors and IDEs
+# editorconfig.org
+
+# WordPress Coding Standards
+# https://make.wordpress.org/core/handbook/coding-standards/
+
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+indent_style = tab
+
+[*.{yml,yaml}]
+indent_style = space
+indent_size = 2

plugins/acf-pods-bindings/index.php

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+<?php
+/**
+ * Plugin Name: ACF/PODS bindings
+ * Description: Examples on creating custom bindings for ACF and PODS.
+ * Requires at least: 6.5
+ * Requires Plugins:   gutenberg
+ * Requires PHP:      7.0
+ * Version:           0.1.0
+ * Author:            The WordPress Contributors
+ * License:           GPL-2.0-or-later
+ * License URI:       https://www.gnu.org/licenses/gpl-2.0.html
+ * Text Domain:       custom-bindings
+ *
+ * @package           twitch-streams
+ */
+
+add_action( 'init', 'twitch_register_block_bindings' );
+
+function twitch_register_block_bindings() {
+
+	// Register post meta to the post type of "post"
+	register_post_meta(
+		'post',
+		'string_binding',
+		array(
+			'show_in_rest' => true,
+			'single'       => true,
+			'type'         => 'string',
+			'default'      => 'Message from meta',
+		)
+	);
+
+
+	// Block binding for Pods
+	register_block_bindings_source(
+		'twitch/pods',
+		array(
+			'label'              => __( 'PODS', 'custom-bindings' ),
+			'get_value_callback' => 'twitch_user_data_bindings',
+			'uses_context'       => [ 'postId', 'postType' ],
+		)
+	);
+
+	register_block_bindings_source(
+		'twitch/acf',
+		array(
+			'label'              => __( 'Advanced Custom Fields', 'custom-bindings' ),
+			'get_value_callback' => 'twitch_acf_data_bindings',
+			'uses_context'       => [ 'postId', 'postType' ],
+		)
+	);
+}
+
+
+function twitch_user_data_bindings( $source_args, $block_instance ) {
+	$post_id   = $block_instance->context['postId'];
+	$post_type = $block_instance->context['postType'];
+	// Get Pods stuff
+	$product_fields = pods( $post_type, $post_id );
+
+	// If there are no PODs bail.
+	if ( ! $product_fields ) {
+		return null;
+	}
+	// Return the data based on the key argument.
+	$data = $product_fields->display( $source_args['key'] );
+	return $data;
+
+
+	// switch ( $source_args['key'] ) {
+	// 	case 'price':
+	// 		$price = $product_fields->field( 'price', null, true );
+	// 		return '<p>' . $price . '</p>';
+	// 	case 'sale_price':
+	// 		return $product_fields->field( $source_args['key'] );
+	// 	case 'release_date':
+	// 		return $product_fields->field( $source_args['key'] );
+	// 	default:
+	// 		return $product_fields->field( $source_args['key'] );
+	// }
+}
+
+function twitch_acf_data_bindings( $source_args, $block_instance ) {
+	$post_id   = $block_instance->context['postId'];
+	$post_type = $block_instance->context['postType'];
+
+	// Get the ACF field
+	$value = get_field( $source_args['key'] );
+
+	// Don't do this. Check for things and be better
+	return $value;
+
+}
+
+
+// Enqueue filename from a plugin
+add_action(
+	'enqueue_block_editor_assets',
+	function() {
+		$assets_file = plugin_dir_path( __FILE__ ) . '/build/index.asset.php';
+
+		if ( file_exists( $assets_file ) ) {
+			$assets = include $assets_file;
+			wp_enqueue_script(
+				'script-handle',
+				plugin_dir_url( __FILE__ ) . '/build/index.js',
+				$assets['dependencies'],
+				$assets['version'],
+				true
+			);
+		}
+	}
+);