chore: adjust iframe placeholder font size

Related to #994

packages/form-js-viewer/assets/form-js-base.css

@@ -1013,6 +1013,10 @@
   overflow: hidden;
 }
 
+.fjs-container .fjs-iframe-placeholder .fjs-iframe-placeholder-text {
+  font-size: var(--font-size-label);
+}
+
 .fjs-container .fjs-form-field-table {
   display: flex;
   flex-direction: column;

packages/form-js-viewer/rollup.config-1705764078731.cjs

@@ -0,0 +1,97 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+var alias = require('@rollup/plugin-alias');
+var babel = require('@rollup/plugin-babel');
+var copy = require('rollup-plugin-copy');
+var reactSvg = require('@svgr/rollup');
+var resolve = require('@rollup/plugin-node-resolve');
+var pkg = require('./package.json');
+
+function pgl(plugins = []) {
+
+  return [
+    alias({
+      entries: [
+        { find: 'react', replacement: 'preact/compat' },
+        { find: 'react-dom', replacement: 'preact/compat' }
+      ]
+    }),
+    resolve({
+      resolveOnly: [ 'diagram-js' ]
+    }),
+    reactSvg(),
+    babel({
+      babelHelpers: 'bundled',
+      plugins: [
+        [ '@babel/plugin-transform-react-jsx', {
+          'importSource': 'preact',
+          'runtime': 'automatic'
+        } ]
+      ]
+    }),
+    ...plugins
+  ];
+
+}
+
+
+var rollup_config = [
+  {
+    input: 'src/index.js',
+    output: [
+      {
+        sourcemap: true,
+        format: 'commonjs',
+        file: pkg.main
+      },
+      {
+        sourcemap: true,
+        format: 'esm',
+        file: pkg.module
+      }
+    ],
+    external: [
+      'min-dash',
+      'big.js',
+      'preact',
+      'preact/jsx-runtime',
+      'preact/hooks',
+      'preact/compat',
+      'preact-markup',
+      'flatpickr',
+      'showdown',
+      '@carbon/grid',
+      'feelers'
+    ],
+    plugins: pgl([
+      copy({
+        targets: [
+          { src: 'assets/form-js-base.css', dest: 'dist/assets' },
+          { src: '../../node_modules/flatpickr/dist/themes/light.css', dest: 'dist/assets/flatpickr' }
+        ]
+      })
+    ]),
+
+    onwarn(warning, warn) {
+
+      // TODO(@barmac): remove once https://github.com/moment/luxon/issues/193 is resolved
+      if (warning.code === 'CIRCULAR_DEPENDENCY') {
+        if (warning.message.includes('luxon')) {
+          return;
+        }
+      }
+
+      if (warning.code === 'THIS_IS_UNDEFINED') {
+        if (warning.id.includes('flatpickr')) {
+          return;
+        }
+      }
+
+      warn(warning);
+    }
+  }
+];
+
+exports.default = rollup_config;