Feat: multi content authoring (#4139)

packages/netlify-cms-core/src/constants/__tests__/configSchema.spec.js

@@ -450,5 +450,59 @@ describe('config', () => {
         );
       }).not.toThrow();
     });
+
+    describe('i18n', () => {
+      it('should throw error when locale has invalid characters', () => {
+        expect(() => {
+          validateConfig(
+            merge({}, validConfig, {
+              i18n: {
+                structure: 'multiple_folders',
+                locales: ['en', 'tr.TR'],
+              },
+            }),
+          );
+        }).toThrowError(`'i18n.locales[1]' should match pattern "^[a-zA-Z-_]+$"`);
+      });
+
+      it('should throw error when locale is less than 2 characters', () => {
+        expect(() => {
+          validateConfig(
+            merge({}, validConfig, {
+              i18n: {
+                structure: 'multiple_folders',
+                locales: ['en', 't'],
+              },
+            }),
+          );
+        }).toThrowError(`'i18n.locales[1]' should NOT be shorter than 2 characters`);
+      });
+
+      it('should throw error when locale is more than 10 characters', () => {
+        expect(() => {
+          validateConfig(
+            merge({}, validConfig, {
+              i18n: {
+                structure: 'multiple_folders',
+                locales: ['en', 'a_very_long_locale'],
+              },
+            }),
+          );
+        }).toThrowError(`'i18n.locales[1]' should NOT be longer than 10 characters`);
+      });
+
+      it('should allow valid locales strings', () => {
+        expect(() => {
+          validateConfig(
+            merge({}, validConfig, {
+              i18n: {
+                structure: 'multiple_folders',
+                locales: ['en', 'tr-TR', 'zh_CHS'],
+              },
+            }),
+          );
+        }).not.toThrow();
+      });
+    });
   });
 });

packages/netlify-cms-core/src/constants/configSchema.js

@@ -1,8 +1,43 @@
 import AJV from 'ajv';
-import { select, uniqueItemProperties, instanceof as instanceOf } from 'ajv-keywords/keywords';
+import {
+  select,
+  uniqueItemProperties,
+  instanceof as instanceOf,
+  prohibited,
+} from 'ajv-keywords/keywords';
 import ajvErrors from 'ajv-errors';
 import { formatExtensions, frontmatterFormats, extensionFormatters } from 'Formats/formats';
 import { getWidgets } from 'Lib/registry';
+import { I18N_STRUCTURE, I18N_FIELD } from '../lib/i18n';
+
+const localeType = { type: 'string', minLength: 2, maxLength: 10, pattern: '^[a-zA-Z-_]+$' };
+
+const i18n = {
+  type: 'object',
+  properties: {
+    structure: { type: 'string', enum: Object.values(I18N_STRUCTURE) },
+    locales: {
+      type: 'array',
+      minItems: 2,
+      items: localeType,
+      uniqueItems: true,
+    },
+    default_locale: localeType,
+  },
+};
+
+const i18nRoot = {
+  ...i18n,
+  required: ['structure', 'locales'],
+};
+
+const i18nCollection = {
+  oneOf: [{ type: 'boolean' }, i18n],
+};
+
+const i18nField = {
+  oneOf: [{ type: 'boolean' }, { type: 'string', enum: Object.values(I18N_FIELD) }],
+};
 
 /**
  * Config for fields in both file and folder collections.
@@ -20,6 +55,7 @@ const fieldsConfig = () => ({
       label: { type: 'string' },
       widget: { type: 'string' },
       required: { type: 'boolean' },
+      i18n: i18nField,
       hint: { type: 'string' },
       pattern: {
         type: 'array',
@@ -100,6 +136,7 @@ const getConfigSchema = () => ({
       ],
     },
     locale: { type: 'string', examples: ['en', 'fr', 'de'] },
+    i18n: i18nRoot,
     site_url: { type: 'string', examples: ['https://example.com'] },
     display_url: { type: 'string', examples: ['https://example.com'] },
     logo_url: { type: 'string', examples: ['https://example.com/images/logo.svg'] },
@@ -219,6 +256,7 @@ const getConfigSchema = () => ({
             additionalProperties: false,
             minProperties: 1,
           },
+          i18n: i18nCollection,
         },
         required: ['name', 'label'],
         oneOf: [{ required: ['files'] }, { required: ['folder', 'fields'] }],
@@ -289,6 +327,7 @@ export function validateConfig(config) {
   uniqueItemProperties(ajv);
   select(ajv);
   instanceOf(ajv);
+  prohibited(ajv);
   ajvErrors(ajv);
 
   const valid = ajv.validate(getConfigSchema(), config);