wip: code formatting nits continued

test/some.spec.js

@@ -0,0 +1,84 @@
+import lodashStable from 'lodash';
+import { identity, empties, stubFalse, stubTrue } from './utils';
+import some from '../src/some';
+
+describe('some', () => {
+    it('should return `true` if `predicate` returns truthy for any element', () => {
+        expect(some([false, 1, ''], identity)).toBe(true);
+        expect(some([null, 'a', 0], identity)).toBe(true);
+    });
+
+    it('should return `false` for empty collections', () => {
+        const expected = lodashStable.map(empties, stubFalse);
+
+        const actual = lodashStable.map(empties, (value) => {
+            try {
+                return some(value, identity);
+            } catch (e) {}
+        });
+
+        expect(actual).toEqual(expected);
+    });
+
+    it('should return `true` as soon as `predicate` returns truthy', () => {
+        let count = 0;
+
+        assert.strictEqual(
+            some([null, true, null], (value) => {
+                count++;
+                return value;
+            }),
+            true,
+        );
+
+        expect(count).toBe(2);
+    });
+
+    it('should return `false` if `predicate` returns falsey for all elements', () => {
+        expect(some([false, false, false], identity)).toBe(false);
+        expect(some([null, 0, ''], identity)).toBe(false);
+    });
+
+    it('should use `_.identity` when `predicate` is nullish', () => {
+        const values = [, null, undefined];
+        let expected = lodashStable.map(values, stubFalse);
+
+        let actual = lodashStable.map(values, (value, index) => {
+            const array = [0, 0];
+            return index ? some(array, value) : some(array);
+        });
+
+        expect(actual).toEqual(expected);
+
+        expected = lodashStable.map(values, stubTrue);
+        actual = lodashStable.map(values, (value, index) => {
+            const array = [0, 1];
+            return index ? some(array, value) : some(array);
+        });
+
+        expect(actual).toEqual(expected);
+    });
+
+    it('should work with `_.property` shorthands', () => {
+        const objects = [
+            { a: 0, b: 0 },
+            { a: 0, b: 1 },
+        ];
+        expect(some(objects, 'a')).toBe(false);
+        expect(some(objects, 'b')).toBe(true);
+    });
+
+    it('should work with `_.matches` shorthands', () => {
+        const objects = [
+            { a: 0, b: 0 },
+            { a: 1, b: 1 },
+        ];
+        expect(some(objects, { a: 0 })).toBe(true);
+        expect(some(objects, { b: 2 })).toBe(false);
+    });
+
+    it('should work as an iteratee for methods like `_.map`', () => {
+        const actual = lodashStable.map([[1]], some);
+        expect(actual).toEqual([true]);
+    });
+});