Add object/{some,every} implementation

Author: przemyslawzalewski

object/every.test.ts

@@ -0,0 +1,27 @@
+/* eslint-env jest */
+// @ts-ignore ambiguous import
+import every from "./every.ts";
+
+describe("every", () => {
+  it("test if every element passes the given predicate", () => {
+    const adult = ({ age }: { age: number }) => age >= 18;
+
+    expect(
+      every(adult)({
+        tom: { age: 25 },
+        john: { age: 16 },
+        alice: { age: 18 }
+      })
+    ).toBe(false);
+  });
+
+  it("test if every element passes the given predicate", () => {
+    expect(
+      every((x: number) => x >= 0)({
+        x: 5,
+        y: 3,
+        z: 0
+      })
+    ).toBe(true);
+  });
+});

object/every.ts

@@ -0,0 +1,5 @@
+import entries from "./entries";
+
+export default (f: (value: any, key: string, context: object) => boolean) => (
+  xs: object
+): boolean => entries(xs).every(([key, value]) => f(value, key, xs));

object/some.test.ts

@@ -0,0 +1,27 @@
+/* eslint-env jest */
+// @ts-ignore ambiguous import
+import some from "./some.ts";
+
+describe("some", () => {
+  it("test if any element passes the given predicate", () => {
+    const adult = ({ age }: { age: number }) => age >= 18;
+
+    expect(
+      some(adult)({
+        tom: { age: 25 },
+        john: { age: 16 },
+        alice: { age: 18 }
+      })
+    ).toBe(true);
+  });
+
+  it("test if any element passes the given predicate", () => {
+    expect(
+      some((x: number) => x < 0)({
+        x: 5,
+        y: 3,
+        z: 0
+      })
+    ).toBe(false);
+  });
+});

object/some.ts

@@ -0,0 +1,5 @@
+import entries from "./entries";
+
+export default (f: (value: any, key: string, context: object) => boolean) => (
+  xs: object
+): boolean => entries(xs).some(([key, value]) => f(value, key, xs));