Initial commit: Opencode Filter

tests/filter.test.ts

@@ -0,0 +1,55 @@
+import { describe, it, expect } from "vitest";
+import { OpenCodeFilter } from "../src/index.js";
+
+describe("OpenCodeFilter", () => {
+  it("should create a filter instance", () => {
+    const filter = new OpenCodeFilter();
+    expect(filter).toBeDefined();
+  });
+
+  it("should process data with include rule", async () => {
+    const filter = new OpenCodeFilter({
+      rules: [
+        {
+          name: "positive-numbers",
+          condition: (item) => typeof item === "number" && item > 0,
+          action: "include",
+        },
+      ],
+    });
+
+    const data = [1, -1, 2, -2, 3, -3];
+    const result = await filter.process(data);
+
+    expect(result).toEqual([1, 2, 3]);
+  });
+
+  it("should process data with exclude rule", async () => {
+    const filter = new OpenCodeFilter({
+      rules: [
+        {
+          name: "exclude-negative",
+          condition: (item) => typeof item === "number" && item < 0,
+          action: "exclude",
+        },
+      ],
+    });
+
+    const data = [1, -1, 2, -2, 3, -3];
+    const result = await filter.process(data);
+
+    expect(result).toEqual([1, 2, 3]);
+  });
+
+  it("should add rules dynamically", () => {
+    const filter = new OpenCodeFilter();
+    filter.addRule({
+      name: "test-rule",
+      condition: () => true,
+      action: "include",
+    });
+
+    // If no error thrown, test passes
+    expect(true).toBe(true);
+  });
+});