@vlsergey/react-promise/lib/esm/PromisesComponent.js

React wrappers for Promises

var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        if (typeof b !== "function" && b !== null)
            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
var __values = (this && this.__values) || function(o) {
    var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
    if (m) return m.call(o);
    if (o && typeof o.length === "number") return {
        next: function () {
            if (o && i >= o.length) o = void 0;
            return { value: o && o[i++], done: !o };
        }
    };
    throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
import { PureComponent } from 'react';
import * as memoize from './memoize';
import shallowCompare from './shallowCompare';
var PromisesComponent = /** @class */ (function (_super) {
    __extends(PromisesComponent, _super);
    function PromisesComponent(props) {
        var _this = _super.call(this, props) || this;
        _this.mounted = false;
        _this.prevPromises = undefined;
        _this.state = {
            error: null,
            errors: {},
            values: {},
        };
        _this.cleanValues = function () {
            _this.resetValues();
        };
        _this.setValue = function (key, value) {
            var _a;
            if (_this.mounted) {
                _this.setState(function (state) {
                    var _a;
                    return ({
                        values: __assign(__assign({}, state.values), (_a = {}, _a[key] = value, _a)),
                    });
                });
            }
            else {
                /* eslint-disable-next-line react/no-direct-mutation-state */
                _this.state = __assign(__assign({}, _this.state), { values: __assign(__assign({}, _this.state.values), (_a = {}, _a[key] = value, _a)) });
            }
        };
        _this.resetValues = function () {
            if (_this.mounted) {
                _this.setState({
                    error: null,
                    errors: {},
                    values: {},
                });
            }
            else {
                /* eslint-disable-next-line react/no-direct-mutation-state */
                _this.state = __assign(__assign({}, _this.state), { error: null, errors: {}, values: {} });
            }
        };
        _this.subscribe();
        return _this;
    }
    PromisesComponent.prototype.componentDidMount = function () {
        this.mounted = true;
        this.subscribe();
    };
    PromisesComponent.prototype.componentDidUpdate = function () {
        this.subscribe();
    };
    PromisesComponent.prototype.componentWillUnmount = function () {
        this.unsubscribe();
        this.mounted = false;
    };
    PromisesComponent.prototype.subscribe = function () {
        var e_1, _a;
        var _this = this;
        var _b = this.props, cleanOnChange = _b.cleanOnChange, promises = _b.promises;
        if (shallowCompare(this.prevPromises, promises)) {
            return;
        }
        if (cleanOnChange)
            this.resetValues();
        this.prevPromises = promises;
        if (promises === null || promises === undefined)
            return;
        var _loop_1 = function (k) {
            var key = k;
            var promise = promises[key];
            var cachedResult = memoize.find(promise);
            if (cachedResult)
                this_1.setValue(key, cachedResult);
            promise
                .then(function (value) {
                memoize.set(promise, value);
                if (_this.prevPromises === promises) {
                    _this.setValue(key, value);
                }
            })
                .catch(function (error) {
                if (_this.prevPromises === promises) {
                    _this.setState(function (state) {
                        var _a;
                        return ({
                            error: error,
                            errors: __assign(__assign({}, state.errors), (_a = {}, _a[key] = error, _a)),
                        });
                    });
                }
            });
        };
        var this_1 = this;
        try {
            for (var _c = __values(Object.keys(promises)), _d = _c.next(); !_d.done; _d = _c.next()) {
                var k = _d.value;
                _loop_1(k);
            }
        }
        catch (e_1_1) { e_1 = { error: e_1_1 }; }
        finally {
            try {
                if (_d && !_d.done && (_a = _c.return)) _a.call(_c);
            }
            finally { if (e_1) throw e_1.error; }
        }
    };
    PromisesComponent.prototype.unsubscribe = function () {
        this.prevPromises = undefined;
    };
    PromisesComponent.prototype.render = function () {
        var children = this.props.children;
        var _a = this.state, error = _a.error, values = _a.values;
        if (error !== null) {
            throw error;
        }
        return children(values);
    };
    return PromisesComponent;
}(PureComponent));
export default PromisesComponent;