react-magic-state/dist/core/canObserve.js

React state management without the hassle.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const observableTypes = new WeakMap();
function canObserve(target) {
    var _a;
    if (target == null) {
        return false;
    }
    const constructor = (_a = target) === null || _a === void 0 ? void 0 : _a.constructor;
    if (observableTypes.has(constructor)) {
        return observableTypes.get(constructor);
    }
    let result = false;
    if (constructor === Object) {
        result = true;
    }
    else if (constructor === Array) {
        result = true;
    }
    else if (!isBuiltIn(constructor)) {
        result = true;
    }
    observableTypes.set(constructor, result);
    return result;
}
exports.canObserve = canObserve;
function isBuiltIn(constructor) {
    return (constructor.toString().indexOf("[native code]") >= 0);
}