first commit after npx @wordpress/create-block@latest

build/blocks-manifest.php

@@ -0,0 +1,26 @@
+<?php
+// This file is generated. Do not modify it manually.
+return array(
+	'wp-printable-qrcode' => array(
+		'$schema' => 'https://schemas.wp.org/trunk/block.json',
+		'apiVersion' => 3,
+		'name' => 'wppqr/wp-printable-qrcode',
+		'version' => '0.1.0',
+		'title' => 'Printable QR code',
+		'category' => 'widgets',
+		'icon' => 'smiley',
+		'description' => 'Print a QR code to the web view',
+		'example' => array(
+			
+		),
+		'supports' => array(
+			'html' => false
+		),
+		'textdomain' => 'wp-printable-qrcode',
+		'editorScript' => 'file:./index.js',
+		'editorStyle' => 'file:./index.css',
+		'style' => 'file:./style-index.css',
+		'render' => 'file:./render.php',
+		'viewScript' => 'file:./view.js'
+	)
+);

build/wp-printable-qrcode/block.json

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+{
+  "$schema": "https://schemas.wp.org/trunk/block.json",
+  "apiVersion": 3,
+  "name": "wppqr/wp-printable-qrcode",
+  "version": "0.1.0",
+  "title": "Printable QR code",
+  "category": "widgets",
+  "icon": "smiley",
+  "description": "Print a QR code to the web view",
+  "example": {},
+  "supports": {
+    "html": false
+  },
+  "textdomain": "wp-printable-qrcode",
+  "editorScript": "file:./index.js",
+  "editorStyle": "file:./index.css",
+  "style": "file:./style-index.css",
+  "render": "file:./render.php",
+  "viewScript": "file:./view.js"
+}

build/wp-printable-qrcode/index-rtl.css

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+.wp-block-wppqr-wp-printable-qrcode{border:1px dotted red}

build/wp-printable-qrcode/index.asset.php

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+<?php return array('dependencies' => array('react-jsx-runtime', 'wp-block-editor', 'wp-blocks', 'wp-i18n'), 'version' => 'c9aefbfb813ae2ba43ca');

build/wp-printable-qrcode/index.css

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+.wp-block-wppqr-wp-printable-qrcode{border:1px dotted red}

build/wp-printable-qrcode/index.js

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+(()=>{"use strict";var r,e={247:()=>{const r=window.wp.blocks,e=window.wp.i18n,o=window.wp.blockEditor,i=window.ReactJSXRuntime,n=JSON.parse('{"UU":"wppqr/wp-printable-qrcode"}');(0,r.registerBlockType)(n.UU,{edit:function(){return(0,i.jsx)("p",{...(0,o.useBlockProps)(),children:(0,e.__)("Printable QR code – hello from the editor!","wp-printable-qrcode")})}})}},o={};function i(r){var n=o[r];if(void 0!==n)return n.exports;var t=o[r]={exports:{}};return e[r](t,t.exports,i),t.exports}i.m=e,r=[],i.O=(e,o,n,t)=>{if(!o){var p=1/0;for(s=0;s<r.length;s++){for(var[o,n,t]=r[s],l=!0,a=0;a<o.length;a++)(!1&t||p>=t)&&Object.keys(i.O).every((r=>i.O[r](o[a])))?o.splice(a--,1):(l=!1,t<p&&(p=t));if(l){r.splice(s--,1);var c=n();void 0!==c&&(e=c)}}return e}t=t||0;for(var s=r.length;s>0&&r[s-1][2]>t;s--)r[s]=r[s-1];r[s]=[o,n,t]},i.o=(r,e)=>Object.prototype.hasOwnProperty.call(r,e),(()=>{var r={350:0,994:0};i.O.j=e=>0===r[e];var e=(e,o)=>{var n,t,[p,l,a]=o,c=0;if(p.some((e=>0!==r[e]))){for(n in l)i.o(l,n)&&(i.m[n]=l[n]);if(a)var s=a(i)}for(e&&e(o);c<p.length;c++)t=p[c],i.o(r,t)&&r[t]&&r[t][0](),r[t]=0;return i.O(s)},o=globalThis.webpackChunkwp_printable_qrcode=globalThis.webpackChunkwp_printable_qrcode||[];o.forEach(e.bind(null,0)),o.push=e.bind(null,o.push.bind(o))})();var n=i.O(void 0,[994],(()=>i(247)));n=i.O(n)})();

build/wp-printable-qrcode/render.php

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+<?php
+/**
+ * @see https://github.com/WordPress/gutenberg/blob/trunk/docs/reference-guides/block-api/block-metadata.md#render
+ */
+?>
+<p <?php echo get_block_wrapper_attributes(); ?>>
+	<?php esc_html_e( 'Printable QR code – hello from a dynamic block!', 'wp-printable-qrcode' ); ?>
+</p>

build/wp-printable-qrcode/style-index-rtl.css

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+.wp-block-wppqr-wp-printable-qrcode{background-color:#21759b;color:#fff;padding:2px}

build/wp-printable-qrcode/style-index.css

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+.wp-block-wppqr-wp-printable-qrcode{background-color:#21759b;color:#fff;padding:2px}

build/wp-printable-qrcode/view.asset.php

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+<?php return array('dependencies' => array(), 'version' => '96b8a0b5a958166fdbb4');

build/wp-printable-qrcode/view.js

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+console.log("Hello World! (from wppqr-wp-printable-qrcode block)");