@airgap/coinlib-core/actions/Action.js

The @airgap/coinlib-core is a protocol agnostic library to prepare, sign and broadcast cryptocurrency transactions.

"use strict";
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var __generator = (this && this.__generator) || function (thisArg, body) {
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Object.defineProperty(exports, "__esModule", { value: true });
exports.Action = exports.ActionState = void 0;
var errors_1 = require("../errors");
var coinlib_error_1 = require("../errors/coinlib-error");
var StateMachine_1 = require("./StateMachine");
var ActionState;
(function (ActionState) {
    ActionState[ActionState["READY"] = 0] = "READY";
    ActionState[ActionState["EXECUTING"] = 1] = "EXECUTING";
    ActionState[ActionState["COMPLETED"] = 2] = "COMPLETED";
    ActionState[ActionState["CANCELLED"] = 3] = "CANCELLED";
})(ActionState = exports.ActionState || (exports.ActionState = {}));
var Action = /** @class */ (function () {
    function Action(context) {
        this.stateMachine = new StateMachine_1.StateMachine(ActionState.READY, new Map([
            [ActionState.READY, []],
            [ActionState.EXECUTING, [ActionState.READY]],
            [ActionState.COMPLETED, [ActionState.EXECUTING]],
            [ActionState.CANCELLED, [ActionState.READY, ActionState.EXECUTING]]
        ]));
        this.context = context;
    }
    Object.defineProperty(Action.prototype, "identifier", {
        get: function () {
            return 'action';
        },
        enumerable: false,
        configurable: true
    });
    Action.prototype.getState = function () {
        return this.stateMachine.getState();
    };
    Action.prototype.start = function () {
        return __awaiter(this, void 0, void 0, function () {
            var result, error_1;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0:
                        _a.trys.push([0, 2, , 3]);
                        this.stateMachine.transitionTo(ActionState.EXECUTING);
                        return [4 /*yield*/, this.perform()];
                    case 1:
                        result = _a.sent();
                        this.handleSuccess(result);
                        return [3 /*break*/, 3];
                    case 2:
                        error_1 = _a.sent();
                        this.handleError(error_1);
                        return [3 /*break*/, 3];
                    case 3: return [2 /*return*/];
                }
            });
        });
    };
    Action.prototype.cancel = function () {
        this.stateMachine.transitionTo(ActionState.CANCELLED);
        if (this.onCancel) {
            this.onCancel();
        }
    };
    Action.prototype.addValidTransition = function (from, to) {
        this.stateMachine.addValidStateTransition(from, to);
    };
    Action.prototype.handleSuccess = function (result) {
        this.result = result;
        this.stateMachine.transitionTo(ActionState.COMPLETED);
        if (this.onComplete) {
            this.onComplete(result);
        }
    };
    Action.prototype.handleError = function (error) {
        this.error = error;
        this.stateMachine.transitionTo(ActionState.COMPLETED);
        if (this.onError) {
            this.onError(error);
        }
        throw new errors_1.InvalidValueError(coinlib_error_1.Domain.ACTIONS, error.message);
    };
    return Action;
}());
exports.Action = Action;
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