Merge pull request #144 from social-native/fix/empty-mapping

Fix empty mapping

package.json

@@ -1,6 +1,6 @@
 {
     "name": "elastic-composer",
-    "version": "4.6.1",
+    "version": "4.6.2",
     "description": "",
     "main": "dist/index.cjs.js",
     "module": "dist/index.es.js",

src/__tests__/mapping_parser.test.ts

@@ -27,3 +27,10 @@ test('it should work when mappings have a "dynamic" field', () => {
         'agg_historic_percent_approved_invite_to_submitted.all_time': 'double'
     });
 });
+
+test('it should work when mappings is empty', () => {
+    const fakeMapping = { 'creator-crm-testing': { mappings: {} } };
+    const actual = MappingParser.flattenMappings710(fakeMapping);
+    expect(actual).toEqual({})
+
+})

src/mapping_parser.ts

@@ -36,6 +36,9 @@ export default class MappingParser {
     public static flattenMappings710(rawMappings: ESMapping710): Record<string, ESMappingType> {
         let flattenedMappings = {};
         Object.values(rawMappings).forEach(({mappings}) => {
+            if (!mappings.properties) {
+                return;
+            }
             flattenedMappings = {
                 ...flattenedMappings,
                 ...MappingParser.flattenMappingProperty(mappings.properties)

src/types.ts

@@ -578,7 +578,7 @@ export type ESMapping710 = {
   [index: string]: {
       mappings: {
           dynamic?: string;
-          properties: ESMappingProperties
+          properties?: ESMappingProperties
       }
   }   
 }