react-stable-ref/lib/useStableRefTester.js

An assortment of utilities for testing against unstable references in React

"use strict";
var __read = (this && this.__read) || function (o, n) {
    var m = typeof Symbol === "function" && o[Symbol.iterator];
    if (!m) return o;
    var i = m.call(o), r, ar = [], e;
    try {
        while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
    }
    catch (error) { e = { error: error }; }
    finally {
        try {
            if (r && !r.done && (m = i["return"])) m.call(i);
        }
        finally { if (e) throw e.error; }
    }
    return ar;
};
Object.defineProperty(exports, "__esModule", { value: true });
var react_1 = require("react");
var useStableRefTester = function (timeout) {
    if (timeout === void 0) { timeout = 1000; }
    if (process.env.NODE_ENV === 'production') {
        console.warn('useStableRefTester is only intended for development purposes only. Please remove from production bundles.');
    }
    var _a = __read(react_1.useState(0), 2), count = _a[0], setCount = _a[1];
    react_1.useEffect(function () {
        var token = setTimeout(function () {
            console.log('[useStableRefTester]', "Render count: #" + count);
            setCount(count + 1);
        }, timeout);
        return function () { return clearTimeout(token); };
    }, [count, timeout]);
    return count;
};
exports.default = useStableRefTester;
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