1 files changed, 74 insertions, 0 deletions
diff --git a/admin/src/utils/checkboxListValidator.ts b/admin/src/utils/checkboxListValidator.ts
new file mode 100644
index 0000000..771531f
--- /dev/null
+++ b/admin/src/utils/checkboxListValidator.ts
@@ -0,0 +1,74 @@
+import slugify from '@sindresorhus/slugify';
+import { translatedErrors } from '@strapi/admin/strapi-admin';
+import * as yup from 'yup';
+
+const GRAPHQL_ENUM_REGEX = /^[_A-Za-z][_0-9A-Za-z]*$/;
+
+const toRegressedEnumValue = (value?: string) => {
+  if (!value) {
+    return '';
+  }
+
+  return slugify(value, {
+    decamelize: false,
+    lowercase: false,
+    separator: '_',
+  });
+};
+
+const hasUniqueValues = (values: string[]) => {
+  const seen = new Set<string>();
+
+  for (const value of values) {
+    if (seen.has(value)) {
+      return false;
+    }
+
+    seen.add(value);
+  }
+
+  return true;
+};
+
+export const checkboxListOptionsValidator = () => ({
+  enum: yup
+    .array()
+    .of(yup.string())
+    .min(1, translatedErrors.min.id)
+    .test({
+      name: 'areEnumValuesUnique',
+      message: 'content-type-builder.error.validation.enum-duplicate',
+      test(values) {
+        if (!values) {
+          return false;
+        }
+
+        const normalizedValues = values.map(toRegressedEnumValue);
+
+        return hasUniqueValues(normalizedValues);
+      },
+    })
+    .test({
+      name: 'doesNotHaveEmptyValues',
+      message: 'content-type-builder.error.validation.enum-empty-string',
+      test(values) {
+        if (!values) {
+          return false;
+        }
+
+        return !values.map(toRegressedEnumValue).some((value) => value === '');
+      },
+    })
+    .test({
+      name: 'doesMatchRegex',
+      message: 'content-type-builder.error.validation.enum-regex',
+      test(values) {
+        if (!values) {
+          return false;
+        }
+
+        return values.map(toRegressedEnumValue).every((value) => GRAPHQL_ENUM_REGEX.test(value));
+      },
+    }),
+  enumName: yup.string().nullable(),
+});