upload code from https://git.alicorns.co.jp/alicorn-dev/data-fetch-plugin/src/branch/master

src/js/kintone-rest-api-client.ts

@@ -0,0 +1,62 @@
+import { KintoneRestAPIClient } from '@kintone/rest-api-client';
+
+export const client = new KintoneRestAPIClient();
+
+export type App = {
+  appId: string;
+  name: string;
+};
+
+export type Properties = Awaited<ReturnType<typeof client.app.getFormFields>>['properties'];
+export type Layout = Awaited<ReturnType<typeof client.app.getFormLayout>>['layout'];
+
+export type OneOf = Properties[string];
+export type FieldType = OneOf['type'];
+
+const typeNames = [
+  'RECORD_NUMBER',
+  'CREATOR',
+  'CREATED_TIME',
+  'MODIFIER',
+  'UPDATED_TIME',
+  'CATEGORY',
+  'STATUS',
+  'STATUS_ASSIGNEE',
+  'SINGLE_LINE_TEXT',
+  'NUMBER',
+  'CALC',
+  'MULTI_LINE_TEXT',
+  'RICH_TEXT',
+  'LINK',
+  'CHECK_BOX',
+  'RADIO_BUTTON',
+  'DROP_DOWN',
+  'MULTI_SELECT',
+  'FILE',
+  'DATE',
+  'TIME',
+  'DATETIME',
+  'USER_SELECT',
+  'ORGANIZATION_SELECT',
+  'GROUP_SELECT',
+  'GROUP',
+  'REFERENCE_TABLE',
+  'SUBTABLE',
+] as const satisfies readonly FieldType[];
+
+export const types = typeNames.reduce(
+  (acc, name) => {
+    acc[name] = name;
+    return acc;
+  },
+  {} as Record<(typeof typeNames)[number], (typeof typeNames)[number]>,
+);
+
+type ExtractOneOf<T extends FieldType> = Extract<OneOf, { type: T }>;
+function createTypeGuard<T extends FieldType>(type: T) {
+  return (value: OneOf): value is ExtractOneOf<T> => value?.type === type;
+}
+
+export const isType = Object.fromEntries(
+  typeNames.map((typeName) => [typeName, createTypeGuard(typeName as FieldType)]),
+) as { [K in (typeof typeNames)[number]]: (value: OneOf) => value is ExtractOneOf<K> };