@fimbul/wotan/src/optparse.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.OptionParser = void 0;
const debug = require("debug");
const ymir_1 = require("@fimbul/ymir");
const log = debug('wotan:optparse');
var OptionParser;
(function (OptionParser) {
    function parse(options, specs, config) {
        const result = {};
        let name;
        for (name of Object.keys(specs))
            result[name] = specs[name](options && options[name], reportMismatch);
        if (config.exhaustive && options)
            for (const key of Object.keys(options))
                if (specs[key] === undefined)
                    report(`Unexpected option '${key}'.`);
        return result;
        function reportMismatch(type) {
            report(`Expected a value of type '${type}' for option '${name}'.`);
        }
        function report(message) {
            message = config.context + ': ' + message;
            if (config.validate)
                throw new ymir_1.ConfigurationError(message);
            log(message);
        }
    }
    OptionParser.parse = parse;
    let Transform;
    (function (Transform) {
        function withDefault(parseFn, defaultValue) {
            return (value, report) => {
                const result = parseFn(value, report);
                return result === undefined ? defaultValue : result;
            };
        }
        Transform.withDefault = withDefault;
        function noDefault(parseFn) {
            return (value, report) => {
                return value === undefined ? undefined : parseFn(value, report);
            };
        }
        Transform.noDefault = noDefault;
        function map(parseFn, cb) {
            return (value, report) => { var _a; return (_a = parseFn(value, report)) === null || _a === void 0 ? void 0 : _a.map(cb); };
        }
        Transform.map = map;
        function transform(parseFn, cb) {
            return (value, report) => cb(parseFn(value, report));
        }
        Transform.transform = transform;
    })(Transform = OptionParser.Transform || (OptionParser.Transform = {}));
    let Factory;
    (function (Factory) {
        function parsePrimitive(...types) {
            return (value, report) => {
                for (const type of types)
                    if (typeof value === type)
                        return value;
                if (value !== undefined)
                    report(types.join(' | '));
                return;
            };
        }
        Factory.parsePrimitive = parsePrimitive;
        function parsePrimitiveOrArray(type) {
            return (value, report) => {
                if (Array.isArray(value) && value.every((v) => typeof v === type))
                    return value;
                if (typeof value === 'string')
                    return [value];
                if (value !== undefined)
                    report('string | string[]');
                return;
            };
        }
        Factory.parsePrimitiveOrArray = parsePrimitiveOrArray;
    })(Factory = OptionParser.Factory || (OptionParser.Factory = {}));
})(OptionParser = exports.OptionParser || (exports.OptionParser = {}));
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