V1 with working cmdline interface for easy of using GIT

node_modules/zod/dist/esm/v3/benchmarks/union.js

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+import Benchmark from "benchmark";
+import { z } from "zod/v3";
+const doubleSuite = new Benchmark.Suite("z.union: double");
+const manySuite = new Benchmark.Suite("z.union: many");
+const aSchema = z.object({
+    type: z.literal("a"),
+});
+const objA = {
+    type: "a",
+};
+const bSchema = z.object({
+    type: z.literal("b"),
+});
+const objB = {
+    type: "b",
+};
+const cSchema = z.object({
+    type: z.literal("c"),
+});
+const objC = {
+    type: "c",
+};
+const dSchema = z.object({
+    type: z.literal("d"),
+});
+const double = z.union([aSchema, bSchema]);
+const many = z.union([aSchema, bSchema, cSchema, dSchema]);
+doubleSuite
+    .add("valid: a", () => {
+    double.parse(objA);
+})
+    .add("valid: b", () => {
+    double.parse(objB);
+})
+    .add("invalid: null", () => {
+    try {
+        double.parse(null);
+    }
+    catch (_err) { }
+})
+    .add("invalid: wrong shape", () => {
+    try {
+        double.parse(objC);
+    }
+    catch (_err) { }
+})
+    .on("cycle", (e) => {
+    console.log(`${doubleSuite.name}: ${e.target}`);
+});
+manySuite
+    .add("valid: a", () => {
+    many.parse(objA);
+})
+    .add("valid: c", () => {
+    many.parse(objC);
+})
+    .add("invalid: null", () => {
+    try {
+        many.parse(null);
+    }
+    catch (_err) { }
+})
+    .add("invalid: wrong shape", () => {
+    try {
+        many.parse({ type: "unknown" });
+    }
+    catch (_err) { }
+})
+    .on("cycle", (e) => {
+    console.log(`${manySuite.name}: ${e.target}`);
+});
+export default {
+    suites: [doubleSuite, manySuite],
+};