@sudoo/coco/command/command.js

:ocean: A simple command line tool framework

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
const declare_1 = require("../panic/declare");
const util_1 = require("./util");
class Command {
    constructor(command) {
        this._command = command;
        this._arguments = [];
        this._options = [];
        this._listeners = [];
    }
    static create(command) {
        return new Command([command]);
    }
    static commands(commands) {
        return new Command(commands);
    }
    static multiple(...commands) {
        return new Command(commands);
    }
    static root() {
        return new Command([]);
    }
    get commands() {
        return this._command;
    }
    get simulate() {
        return this._command.join(' ');
    }
    match(argv) {
        return this._command.every((value, index) => {
            if (value === argv[index]) {
                return true;
            }
            return false;
        });
    }
    argument(arg, ...args) {
        this._arguments.push(arg, ...args);
        return this;
    }
    arguments(args) {
        this._arguments.push(...args);
        return this;
    }
    option(option, ...options) {
        this._options.push(option, ...options);
        return this;
    }
    options(options) {
        this._options.push(...options);
        return this;
    }
    execute(args, globalOptions) {
        return __awaiter(this, void 0, void 0, function* () {
            const shifted = args.slice(this._command.length);
            const record = this.parseArgs(shifted, globalOptions);
            const promises = this._listeners.map((executable) => {
                return executable(record);
            });
            yield Promise.all(promises);
            return;
        });
    }
    then(func) {
        this._listeners.push(func);
        return this;
    }
    findOption(key, globalOptions) {
        for (const option of this._options.concat(globalOptions)) {
            if (option.match(key)) {
                return option;
            }
        }
        return null;
    }
    parseArgs(args, globalOptions) {
        const result = {};
        const tempArguments = [];
        const matchOptionSet = new Set();
        for (let pointer = 0; pointer < args.length; pointer++) {
            const current = args[pointer];
            if (util_1.isOption(current)) {
                const option = this.findOption(current, globalOptions);
                if (!option) {
                    throw declare_1.panic.code(declare_1.ERROR_CODE.OPTION_NOT_FOUND, current);
                }
                if (matchOptionSet.has(option)) {
                    throw declare_1.panic.code(declare_1.ERROR_CODE.DUPLICATED_OPTION, current);
                }
                if (option.isBoolean) {
                    result[option.name] = "true";
                }
                else {
                    const next = args[++pointer];
                    result[option.name] = next;
                }
                matchOptionSet.add(option);
            }
            else {
                tempArguments.push(current);
            }
        }
        if (tempArguments.length > this._arguments.length) {
            throw declare_1.panic.code(declare_1.ERROR_CODE.TOO_MANY_ARGUMENTS);
        }
        for (const argument of this._arguments) {
            const first = tempArguments.shift();
            if (!first) {
                if (!argument.isOptional) {
                    throw declare_1.panic.code(declare_1.ERROR_CODE.INSUFFICIENT_ARGUMENTS);
                }
                return result;
            }
            result[argument.name] = first;
        }
        const optionRequirementsMat = [...this._options, ...globalOptions]
            .filter((option) => option.isRequired)
            .every((option) => matchOptionSet.has(option));
        if (!optionRequirementsMat) {
            throw declare_1.panic.code(declare_1.ERROR_CODE.REQUIRED_OPTION_INSUFFICIENT);
        }
        return result;
    }
}
exports.Command = Command;