flowgram.ai/apps/docs/components/node-form/effect/preview.tsx

import {
  DEFAULT_INITIAL_DATA,
  defaultInitialDataTs,
  fieldWrapperCss,
  fieldWrapperTs,
} from '@flowgram.ai/demo-node-form';

import { Editor } from '../editor.tsx';
import { PreviewEditor } from '../../preview-editor.tsx';
import { nodeRegistry } from './node-registry.tsx';

const nodeRegistryFile = {
  code: `import {
  DataEvent,
  EffectProps,
  Field,
  FieldRenderProps,
  FormMeta,
  ValidateTrigger,
  WorkflowNodeRegistry,
} from '@flowgram.ai/free-layout-editor';
import { FieldWrapper } from '@flowgram.ai/demo-node-form';
import { Input } from '@douyinfe/semi-ui';
import '../index.css';

const render = () => (
  <div className="demo-node-content">
    <div className="demo-node-title">Effect Examples</div>
    <Field name="field1">
      {({ field }: FieldRenderProps<string>) => (
        <FieldWrapper
          title="Basic effect"
          note={'The following field will console.log field value on value change'}
        >
          <Input size={'small'} {...field} />
        </FieldWrapper>
      )}
    </Field>

    <Field name="field2">
      {({ field }: FieldRenderProps<string>) => (
        <FieldWrapper
          title="Control other fields"
          note={'The following field will change Field 3 value on value change'}
        >
          <Input size={'small'} {...field} />
        </FieldWrapper>
      )}
    </Field>
    <Field name="field3">
      {({ field }: FieldRenderProps<string>) => (
        <FieldWrapper title="Controlled by other fields">
          <Input size={'small'} {...field} />
        </FieldWrapper>
      )}
    </Field>
  </div>
);

interface FormData {
  field1: string;
  field2: string;
  field3: string;
}

const formMeta: FormMeta<FormData> = {
  render,
  validateTrigger: ValidateTrigger.onChange,
  effect: {
    field1: [
      {
        event: DataEvent.onValueChange,
        effect: ({ value }: EffectProps<string, FormData>) => {
          console.log('field1 value:', value);
        },
      },
    ],
    field2: [
      {
        event: DataEvent.onValueChange,
        effect: ({ value, form }: EffectProps<string, FormData>) => {
          form.setValueIn('field3', 'field2 value is ' + value);
        },
      },
    ],
  },
};

export const nodeRegistry: WorkflowNodeRegistry = {
  type: 'custom',
  meta: {},
  defaultPorts: [{ type: 'output' }, { type: 'input' }],
  formMeta,
};

`,
  active: true,
};

export const NodeFormEffectPreview = () => {
  const files = {
    'node-registry.tsx': nodeRegistryFile,
    'initial-data.ts': { code: defaultInitialDataTs, active: true },
    'field-wrapper.tsx': { code: fieldWrapperTs, active: true },
    'field-wrapper.css': { code: fieldWrapperCss, active: true },
  };
  return (
    <PreviewEditor files={files} previewStyle={{ height: 500 }} editorStyle={{ height: 500 }}>
      <Editor registry={nodeRegistry} initialData={DEFAULT_INITIAL_DATA} />
    </PreviewEditor>
  );
};