@triviality/commander/CommanderBootstrapService.js

Commander as a Triviality Module

"use strict";
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var __values = (this && this.__values) || function(o) {
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Object.defineProperty(exports, "__esModule", { value: true });
/**
 * Shows errors when no valid command is found or no command given.
 */
var CommanderBootstrapService = /** @class */ (function () {
    function CommanderBootstrapService(commander, commands, logger) {
        this.commander = commander;
        this.commands = commands;
        this.logger = logger;
    }
    CommanderBootstrapService.prototype.handle = function (argv) {
        if (argv === void 0) { argv = process.argv; }
        return __awaiter(this, void 0, void 0, function () {
            var pending, _a, _b, service;
            var e_1, _c;
            var _this = this;
            return __generator(this, function (_d) {
                switch (_d.label) {
                    case 0:
                        pending = [];
                        try {
                            for (_a = __values(this.commands), _b = _a.next(); !_b.done; _b = _a.next()) {
                                service = _b.value;
                                pending.push(Promise.resolve(service.configure(this.commander)));
                            }
                        }
                        catch (e_1_1) { e_1 = { error: e_1_1 }; }
                        finally {
                            try {
                                if (_b && !_b.done && (_c = _a.return)) _c.call(_a);
                            }
                            finally { if (e_1) throw e_1.error; }
                        }
                        return [4 /*yield*/, Promise.all(pending)];
                    case 1:
                        _d.sent();
                        this.commander.allowUnknownOption(false);
                        this.commander.on('command:*', function () {
                            _this.logger.error('Invalid command: %s\nSee --help for a list of available commands.', _this.commander.args.join(' '));
                            return Promise.reject();
                        });
                        this.commander.parse(argv);
                        if (this.commander.args.length === 0) {
                            this.logger.error('No command given. \nSee --help for a list of available commands.');
                            return [2 /*return*/, Promise.reject()];
                        }
                        return [2 /*return*/, Promise.resolve()];
                }
            });
        });
    };
    return CommanderBootstrapService;
}());
exports.CommanderBootstrapService = CommanderBootstrapService;
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