First commit

node_modules/zod/src/v3/benchmarks/discriminatedUnion.ts

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