wol
03f2c49b7e
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86 lines
2.9 KiB
JavaScript
86 lines
2.9 KiB
JavaScript
"use strict";
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var __defProp = Object.defineProperty;
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var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
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var __getOwnPropNames = Object.getOwnPropertyNames;
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var __hasOwnProp = Object.prototype.hasOwnProperty;
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var __export = (target, all) => {
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for (var name in all)
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__defProp(target, name, { get: all[name], enumerable: true });
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};
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var __copyProps = (to, from, except, desc) => {
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if (from && typeof from === "object" || typeof from === "function") {
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for (let key of __getOwnPropNames(from))
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if (!__hasOwnProp.call(to, key) && key !== except)
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__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
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}
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return to;
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};
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var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
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// src/hooks/use-strict-memo.tsx
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var use_strict_memo_exports = {};
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__export(use_strict_memo_exports, {
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useStrictMemo: () => useStrictMemo
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});
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module.exports = __toCommonJS(use_strict_memo_exports);
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var import_react = require("react");
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var import_results = require("../utils/results");
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var cached = /* @__PURE__ */ new Map();
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function unwrapFromInner(dependencies, inner) {
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if (dependencies.length === 0 !== "isNotNestedMap" in inner) {
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return import_results.Result.error(void 0);
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}
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if ("isNotNestedMap" in inner) {
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if (dependencies.length === 0) {
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return import_results.Result.ok(inner.value);
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} else {
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return import_results.Result.error(void 0);
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}
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} else {
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if (dependencies.length === 0) {
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return import_results.Result.error(void 0);
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} else {
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const [key, ...rest] = dependencies;
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const newInner = inner.get(key);
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if (!newInner) {
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return import_results.Result.error(void 0);
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}
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return unwrapFromInner(rest, newInner);
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}
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}
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}
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function wrapToInner(dependencies, value) {
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if (dependencies.length === 0) {
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return { isNotNestedMap: true, value };
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}
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const [key, ...rest] = dependencies;
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const inner = wrapToInner(rest, value);
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const isObject = typeof key === "object" && key !== null;
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const isUnregisteredSymbol = typeof key === "symbol" && Symbol.keyFor(key) === void 0;
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const isWeak = isObject || isUnregisteredSymbol;
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const mapType = isWeak ? WeakMap : Map;
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return new mapType([[key, inner]]);
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}
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function useStrictMemo(callback, dependencies) {
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const id = (0, import_react.useId)();
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(0, import_react.useInsertionEffect)(() => {
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return () => {
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cached.delete(id);
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};
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}, [id]);
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const c = cached.get(id);
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if (c) {
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const unwrapped = unwrapFromInner(dependencies, c);
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if (unwrapped.status === "ok") {
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return unwrapped.data;
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}
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}
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const value = callback();
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cached.set(id, wrapToInner(dependencies, value));
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return value;
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}
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// Annotate the CommonJS export names for ESM import in node:
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0 && (module.exports = {
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useStrictMemo
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});
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//# sourceMappingURL=use-strict-memo.js.map
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