test: update tests

Author: JB1905

lib/types/rates.d.ts

@@ -1,3 +1 @@
-export declare type Rates = {
-    [name: string]: number;
-};
+export declare type Rates = Record<string, number>;

lib/useCurrency.d.ts

@@ -1,3 +1,2 @@
 import { Options } from './interfaces/Options';
-import { Rates } from './types/rates';
-export declare const useCurrency: (amount: number, { from, to, base, rates, keepPrecision }: Options) => number | Rates | undefined;
+export declare const useCurrency: (amount: number, { from, to, base, rates, keepPrecision }: Options) => number | Record<string, number> | undefined;

package.json

@@ -35,16 +35,16 @@
     "@testing-library/react-hooks": "^3.2.1",
     "@types/jest": "^25.2.1",
     "@types/react": "^16.9.34",
-    "@typescript-eslint/parser": "^2.28.0",
+    "@typescript-eslint/parser": "^2.30.0",
     "eslint": "^6.8.0",
-    "eslint-config-prettier": "^6.10.1",
+    "eslint-config-prettier": "^6.11.0",
     "eslint-plugin-prettier": "^3.1.3",
     "eslint-plugin-react": "^7.19.0",
-    "eslint-plugin-react-hooks": "^3.0.0",
+    "eslint-plugin-react-hooks": "^4.0.0",
     "husky": "^4.2.5",
-    "jest": "^25.3.0",
-    "lint-staged": "^10.1.6",
-    "prettier": "^2.0.4",
+    "jest": "^25.5.4",
+    "lint-staged": "^10.2.2",
+    "prettier": "^2.0.5",
     "react": "^16.13.1",
     "react-test-renderer": "^16.13.1",
     "rollup-plugin-terser": "^5.3.0",

src/types/rates.ts

@@ -1,3 +1 @@
-export type Rates = {
-  [name: string]: number;
-};
+export type Rates = Record<string, number>;

test/useCurrency.spec.ts

@@ -91,4 +91,21 @@ describe('useCurrency', () => {
 
     expect(result.current).toBe(192.85714285714286);
   });
+
+  it('should throw an error', () => {
+    try {
+      const options = {
+        from: '',
+        to: '',
+        base: '',
+        rates,
+      };
+
+      renderHook(() => useCurrency(200, options));
+    } catch (err) {
+      expect(err.message).toBe(
+        '`rates` object does not contain either `from` or `to` currency!'
+      );
+    }
+  });
 });

tsconfig.json

@@ -9,5 +9,5 @@
     "moduleResolution": "node",
     "esModuleInterop": true
   },
-  "exclude": ["test"]
+  "exclude": ["lib", "test"]
 }