feat: [MC-1035] Pass through enableRankByRegion (#75)

* fix: openapi-typescript failed to run

TypeError [ERR_UNKNOWN_FILE_EXTENSION]: Unknown file extension .mts for scripts/generateOpenAPITypes.mts

* feat: pass enableRankingByRegion to recommendation-api

* fix: pass enableRankingByRegion to query

.eslintrc.js

@@ -1,3 +1,4 @@
 module.exports = {
   extends: ['@pocket-tools/eslint-config'],
+  ignorePatterns: ['src/generated/**'],
 };

openapi.yml

@@ -309,6 +309,13 @@ paths:
           description: This region string is Fx domain language, and built from Fx expectations. Parameter values are not case sensitive. See [Firefox Home & New Tab Regional Differences](https://mozilla-hub.atlassian.net/wiki/spaces/FPS/pages/80448805/Regional+Differences).
           schema:
             type: string
+        - name: enableRankingByRegion
+          in: query
+          required: false
+          description: Returns recommendations specific to the region if set to 1.
+          schema:
+            type: integer
+            enum: [0, 1]
       responses:
         '200':
           description: OK

package.json

@@ -7,7 +7,7 @@
     "build": "rm -rf dist && tsc",
     "codegen": "npm run codegen:graphql-types",
     "codegen:graphql-types": "graphql-codegen",
-    "codegen:openapi-types": "npm run lint-openapi && ts-node-esm -P scripts/tsconfig.openapi-typescript.json scripts/generateOpenAPITypes.mts",
+    "codegen:openapi-types": "openapi-typescript ./openapi.yml -o ./src/generated/openapi/types.ts",
     "docs": "redocly preview-docs openapi.yml",
     "watch": "tsc -w & nodemon",
     "start": "node dist/main.js",
@@ -68,7 +68,7 @@
     "jest": "29.7.0",
     "nock": "13.2.4",
     "nodemon": "2.0.20",
-    "openapi-typescript": "^6.0.3",
+    "openapi-typescript": "^6.7.5",
     "supertest": "6.3.3",
     "ts-jest": "29.1.2",
     "ts-node": "^10.9.2"

scripts/README.md

@@ -3,15 +3,3 @@
 These files are scripts intended to be run during local development, or during CI/CD.
 
 These are not transpiled into `dist`, and cannot be executed in production environments.
-
-## generateOpenAPITypes.mts
-
-To execute this script:
-
-```bash
-npm run codegen
-```
-
-This script generates `src/generated/openapi/types.ts`.  This requires a separate tsconfig that permits the usage of ESModules, which lives in `tsconfig.openapi-typescript.json`.
-
-This script does not validate `openapi.yml`.  It is recommended to lint that file after changing its contents.

src/api/desktop/recommendations/inputs.spec.ts

@@ -177,6 +177,12 @@ describe('input.ts recommendations query parameters', () => {
     });
   });
 
+  it('sets enableRankingByRegion to false if no default is provided', () => {
+    const res = setDefaultsAndCoerceTypes({});
+    // validation should return an error in this case, validating defaults though
+    expect(res.enableRankingByRegion).toStrictEqual(false);
+  });
+
   describe('handleQueryParameters', () => {
     it('returns errors if invalid query parameters', () => {
       const params: RecommendationsQueryParameterStrings = {
@@ -198,6 +204,44 @@ describe('input.ts recommendations query parameters', () => {
       );
     });
 
+    it('returns enableRankingByRegion as true when set to 1', () => {
+      const params: RecommendationsQueryParameterStrings = {
+        count: faker.datatype.number({ min: 1, max: 30 }).toString(),
+        locale: 'fr',
+        region: 'FR',
+        enableRankingByRegion: '1',
+      };
+
+      const variables = handleQueryParameters(params);
+      expect(variables).toStrictEqual(
+        expect.objectContaining<NewTabRecommendationsQueryVariables>({
+          count: parseInt(params.count, 10),
+          locale: params.locale,
+          region: params.region,
+          enableRankingByRegion: true,
+        })
+      );
+    });
+
+    it('returns enableRankingByRegion as false when set to 0', () => {
+      const params: RecommendationsQueryParameterStrings = {
+        count: faker.datatype.number({ min: 1, max: 30 }).toString(),
+        locale: 'fr',
+        region: 'FR',
+        enableRankingByRegion: '0',
+      };
+
+      const variables = handleQueryParameters(params);
+      expect(variables).toStrictEqual(
+        expect.objectContaining<NewTabRecommendationsQueryVariables>({
+          count: parseInt(params.count, 10),
+          locale: params.locale,
+          region: params.region,
+          enableRankingByRegion: false,
+        })
+      );
+    });
+
     it('returns GraphQL query variables on success', () => {
       const params: RecommendationsQueryParameterStrings = {
         count: faker.datatype.number({ min: 1, max: 30 }).toString(),
@@ -211,6 +255,7 @@ describe('input.ts recommendations query parameters', () => {
           count: parseInt(params.count, 10),
           locale: params.locale,
           region: params.region,
+          enableRankingByRegion: false,
         })
       );
     });

src/api/desktop/recommendations/inputs.ts

@@ -25,6 +25,7 @@ export type RecommendationsQueryParameterStrings = Partial<
  * This type captures that uncertainty.
  */
 type PreValidatedQueryParameters = {
+  enableRankingByRegion?: boolean;
   count: number;
   locale?: string;
   region?: string;
@@ -120,6 +121,7 @@ export const setDefaultsAndCoerceTypes = (
   return {
     ...withDefaults,
     count: parseInt(withDefaults.count, 10),
+    enableRankingByRegion: withDefaults.enableRankingByRegion == '1',
   };
 };
 
@@ -132,7 +134,7 @@ export const setDefaultsAndCoerceTypes = (
  */
 export const validate = (
   query: PreValidatedQueryParameters
-): BFFFxErrorInstanceType | RecommendationsQueryParameters => {
+): BFFFxErrorInstanceType | PreValidatedQueryParameters => {
   // errorDetails is empty if all fields are valid
   const errorDetails = [
     isValidCount(query.count),
@@ -160,7 +162,7 @@ export const validate = (
     return error;
   }
 
-  return query as RecommendationsQueryParameters;
+  return query as PreValidatedQueryParameters;
 };
 
 /**