feat: Implement initial version of formatter app

packages/backend/src/apps/formatter/actions/text/index.ts

@@ -0,0 +1,64 @@
+import defineAction from '../../../../helpers/define-action';
+import capitalize from './transformers/capitalize';
+import htmlToMarkdown from './transformers/html-to-markdown';
+import markdownToHtml from './transformers/markdown-to-html';
+import useDefaultValue from './transformers/use-default-value';
+import extractEmailAddress from './transformers/extract-email-address';
+
+const transformers = {
+  capitalize,
+  htmlToMarkdown,
+  markdownToHtml,
+  useDefaultValue,
+  extractEmailAddress,
+};
+
+export default defineAction({
+  name: 'Text',
+  key: 'text',
+  description:
+    'Transform text data to capitalize, extract emails, apply default value, and much more.',
+  arguments: [
+    {
+      label: 'Transform',
+      key: 'transform',
+      type: 'dropdown' as const,
+      required: true,
+      description: 'Pick a channel to send the message to.',
+      variables: true,
+      options: [
+        { label: 'Capitalize', value: 'capitalize' },
+        { label: 'Convert HTML to Markdown', value: 'htmlToMarkdown' },
+        { label: 'Convert Markdown to HTML', value: 'markdownToHtml' },
+        { label: 'Use Default Value', value: 'useDefaultValue' },
+        { label: 'Extract Email Address', value: 'extractEmailAddress' },
+      ],
+      additionalFields: {
+        type: 'query',
+        name: 'getDynamicFields',
+        arguments: [
+          {
+            name: 'key',
+            value: 'listTransformOptions',
+          },
+          {
+            name: 'parameters.transform',
+            value: '{parameters.transform}',
+          },
+        ],
+      },
+    },
+  ],
+
+  async run($) {
+    const transformerName = $.step.parameters
+      .transform as keyof typeof transformers;
+    const output = transformers[transformerName]($);
+
+    $.setActionItem({
+      raw: {
+        output,
+      },
+    });
+  },
+});

packages/backend/src/apps/formatter/actions/text/transformers/capitalize.ts

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+import { IGlobalVariable } from '@automatisch/types';
+import { startCase } from 'lodash';
+
+const capitalize = ($: IGlobalVariable) => {
+  const input = $.step.parameters.input as string;
+
+  return startCase(input);
+};
+
+export default capitalize;

packages/backend/src/apps/formatter/actions/text/transformers/extract-email-address.ts

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+import { IGlobalVariable } from '@automatisch/types';
+
+const extractEmailAddress = ($: IGlobalVariable) => {
+  const input = $.step.parameters.input as string;
+  const emailRegexp =
+    /[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?/;
+
+  const email = input.match(emailRegexp);
+  return email ? email[0] : '';
+};
+
+export default extractEmailAddress;

packages/backend/src/apps/formatter/actions/text/transformers/html-to-markdown.ts

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+import { IGlobalVariable } from '@automatisch/types';
+import { NodeHtmlMarkdown } from 'node-html-markdown';
+
+const htmlToMarkdown = ($: IGlobalVariable) => {
+  const input = $.step.parameters.input as string;
+
+  const markdown = NodeHtmlMarkdown.translate(input);
+  return markdown;
+};
+
+export default htmlToMarkdown;

packages/backend/src/apps/formatter/actions/text/transformers/markdown-to-html.ts

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+import { IGlobalVariable } from '@automatisch/types';
+import showdown from 'showdown';
+
+const converter = new showdown.Converter();
+
+const markdownToHtml = ($: IGlobalVariable) => {
+  const input = $.step.parameters.input as string;
+
+  const html = converter.makeHtml(input);
+  return html;
+};
+
+export default markdownToHtml;

packages/backend/src/apps/formatter/actions/text/transformers/use-default-value.ts

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+import { IGlobalVariable } from '@automatisch/types';
+
+const useDefaultValue = ($: IGlobalVariable) => {
+  const input = $.step.parameters.input as string;
+
+  if (input && input.trim().length > 0) {
+    return input;
+  }
+
+  return $.step.parameters.defaultValue as string;
+};
+
+export default useDefaultValue;