test: add benchmark tests to splitProps and mergeProps (WIP)

packages/solid/test/component.bench.ts

@@ -0,0 +1,144 @@
+import { mergeProps, splitProps } from "../src";
+import * as old from "./component.old";
+import { bench } from "vitest";
+
+const staticDesc = {
+  value: 1,
+  writable: true,
+  configurable: true,
+  enumerable: true,
+};
+const signalDesc = {
+  get() {
+    return 1;
+  },
+  configurable: true,
+  enumerable: true,
+};
+const createObject = (
+  prefix: string,
+  amount: number,
+  desc: (index: number) => PropertyDescriptor
+) => {
+  const proto: Record<string, any> = {};
+  for (let index = 0; index < amount; ++index)
+    proto[`${prefix}${index}`] = desc(index);
+  return Object.defineProperties({}, proto) as Record<string, any>;
+};
+
+const keys = (o: Record<string, any>) => Object.keys(o);
+
+type Test = {
+  title: string;
+  benchs: { title: string; func: any }[];
+};
+
+function createTest<
+  T extends (...args: any[]) => any,
+  G extends (...args: any[]) => any
+>(options: {
+  subjects: {
+    name: string;
+    func: T;
+  }[];
+  generator: Record<string, G>;
+  inputs: (generator: G) => Record<string, Parameters<T>>;
+}) {
+  const tests: Test[] = [];
+  for (const generatorName in options.generator) {
+    const generator = options.generator[generatorName];
+    const inputs = options.inputs(generator);
+    for (const title in inputs) {
+      const args = inputs[title];
+      const test: Test = { title: `${title} (${generatorName})`, benchs: [] };
+      for (const subject of options.subjects) {
+        test.benchs.push({
+          title: subject.name,
+          func: () => subject.func(...args),
+        });
+      }
+      tests.push(test);
+    }
+  }
+  return tests;
+}
+
+type SplitProps = (...args: any[]) => Record<string, any>[]
+
+const generator = {
+  static: (amount: number) =>
+    createObject("static", amount, () => staticDesc),
+  dynamic: (amount: number) =>
+    createObject("dynamic", amount, () => signalDesc),
+  mixed: (amount: number) =>
+    createObject("mixed", amount, (v) => (v % 2 ? staticDesc : signalDesc)),
+} as const
+
+const splitPropsTests = createTest({
+  subjects: [
+    {
+      name: "splitProps",
+      func: splitProps as SplitProps,
+    },
+    {
+      name: "oldSplitProps",
+      func: old.splitProps as SplitProps,
+    },
+  ],
+  generator,
+  inputs: (g) => ({
+    "splitProps(5, 1)": [g(5), keys(g(1))],
+    "splitProps(5, 1, 2)": [g(5), keys(g(1)), keys(g(2))],
+    "splitProps(0, 15)": [g(0), keys(g(15))],
+    "splitProps(0, 3, 2)": [g(0), keys(g(3)), keys(g(2))],
+    "splitProps(0, 100)": [g(0), keys(g(100))],
+    "splitProps(0, 100, 3, 2)": [g(0), keys(g(100)), keys(g(3)), keys(g(2))],
+    "splitProps(25, 100)": [g(25), keys(g(100))],
+    "splitProps(50, 100)": [g(50), keys(g(100))],
+    "splitProps(100, 25)": [g(100), keys(g(25))],
+  }),
+});
+
+const mergePropsTest = createTest({
+  subjects: [
+    {
+      name: "mergeProps",
+      func: mergeProps,
+    },
+    {
+      name: "oldMergeProps",
+      func: old.mergeProps ,
+    },
+  ],
+  generator,
+  inputs: (g) => ({
+    "mergeProps(5, 1)": [g(5), (g(1))],
+    "mergeProps(5, 1, 2)": [g(5), (g(1)), (g(2))],
+    "mergeProps(0, 15)": [g(0), (g(15))],
+    "mergeProps(0, 3, 2)": [g(0), (g(3)), (g(2))],
+    "mergeProps(0, 100)": [g(0), (g(100))],
+    "mergeProps(0, 100, 3, 2)": [g(0), (g(100)), (g(3)), (g(2))],
+    "mergeProps(25, 100)": [g(25), (g(100))],
+    "mergeProps(50, 100)": [g(50), (g(100))],
+    "mergeProps(100, 25)": [g(100), (g(25))],
+  }),
+});
+
+const iterations = 100
+
+for (const test of splitPropsTests) {
+  describe(test.title, () => {
+    for (const { title, func } of test.benchs) bench(title, func, {
+      iterations
+    });
+  });
+}
+
+
+for (const test of mergePropsTest) {
+  describe(test.title, () => {
+    for (const { title, func } of test.benchs) bench(title, func, {
+      iterations
+    });
+  });
+}

packages/solid/test/component.old.ts

@@ -0,0 +1,161 @@
+import { $PROXY, MergeProps, SplitProps, createMemo } from "../src";
+import { EffectFunction } from "../types";
+
+function trueFn() {
+  return true;
+}
+
+function resolveSource(s: any) {
+  return !(s = typeof s === "function" ? s() : s) ? {} : s;
+}
+
+const propTraps: ProxyHandler<{
+  get: (k: string | number | symbol) => any;
+  has: (k: string | number | symbol) => boolean;
+  keys: () => string[];
+}> = {
+  get(_, property, receiver) {
+    if (property === $PROXY) return receiver;
+    return _.get(property);
+  },
+  has(_, property) {
+    if (property === $PROXY) return true;
+    return _.has(property);
+  },
+  set: trueFn,
+  deleteProperty: trueFn,
+  getOwnPropertyDescriptor(_, property) {
+    return {
+      configurable: true,
+      enumerable: true,
+      get() {
+        return _.get(property);
+      },
+      set: trueFn,
+      deleteProperty: trueFn
+    };
+  },
+  ownKeys(_) {
+    return _.keys();
+  }
+};
+export function splitProps<
+  T extends Record<any, any>,
+  K extends [readonly (keyof T)[], ...(readonly (keyof T)[])[]]
+>(props: T, ...keys: K): SplitProps<T, K> {
+  const blocked = new Set<keyof T>(keys.length > 1 ? keys.flat() : keys[0]);
+  if ($PROXY in props) {
+    const res = keys.map(k => {
+      return new Proxy(
+        {
+          get(property) {
+            return k.includes(property) ? props[property as any] : undefined;
+          },
+          has(property) {
+            return k.includes(property) && property in props;
+          },
+          keys() {
+            return k.filter(property => property in props);
+          }
+        },
+        propTraps
+      );
+    });
+    res.push(
+      new Proxy(
+        {
+          get(property) {
+            return blocked.has(property) ? undefined : props[property as any];
+          },
+          has(property) {
+            return blocked.has(property) ? false : property in props;
+          },
+          keys() {
+            return Object.keys(props).filter(k => !blocked.has(k));
+          }
+        },
+        propTraps
+      )
+    );
+    return res as SplitProps<T, K>;
+  }
+  const descriptors = Object.getOwnPropertyDescriptors(props);
+  keys.push(Object.keys(descriptors).filter(k => !blocked.has(k as keyof T)) as (keyof T)[]);
+  return keys.map(k => {
+    const clone = {};
+    for (let i = 0; i < k.length; i++) {
+      const key = k[i];
+      if (!(key in props)) continue; // skip defining keys that don't exist
+      Object.defineProperty(
+        clone,
+        key,
+        descriptors[key]
+          ? descriptors[key]
+          : {
+              get() {
+                return props[key];
+              },
+              set() {
+                return true;
+              },
+              enumerable: true
+            }
+      );
+    }
+    return clone;
+  }) as SplitProps<T, K>;
+}
+
+export function mergeProps<T extends unknown[]>(...sources: T): MergeProps<T> {
+  let proxy = false;
+  for (let i = 0; i < sources.length; i++) {
+    const s = sources[i];
+    proxy = proxy || (!!s && $PROXY in (s as object));
+    sources[i] =
+      typeof s === "function" ? ((proxy = true), createMemo(s as EffectFunction<unknown>)) : s;
+  }
+  if (proxy) {
+    return new Proxy(
+      {
+        get(property: string | number | symbol) {
+          for (let i = sources.length - 1; i >= 0; i--) {
+            const v = resolveSource(sources[i])[property];
+            if (v !== undefined) return v;
+          }
+        },
+        has(property: string | number | symbol) {
+          for (let i = sources.length - 1; i >= 0; i--) {
+            if (property in resolveSource(sources[i])) return true;
+          }
+          return false;
+        },
+        keys() {
+          const keys = [];
+          for (let i = 0; i < sources.length; i++)
+            keys.push(...Object.keys(resolveSource(sources[i])));
+          return [...new Set(keys)];
+        }
+      },
+      propTraps
+    ) as unknown as MergeProps<T>;
+  }
+  const target = {} as MergeProps<T>;
+  for (let i = sources.length - 1; i >= 0; i--) {
+    if (sources[i]) {
+      const descriptors = Object.getOwnPropertyDescriptors(sources[i]);
+      for (const key in descriptors) {
+        if (key in target) continue;
+        Object.defineProperty(target, key, {
+          enumerable: true,
+          get() {
+            for (let i = sources.length - 1; i >= 0; i--) {
+              const v = ((sources[i] as any) || {})[key];
+              if (v !== undefined) return v;
+            }
+          }
+        });
+      }
+    }
+  }
+  return target;
+}