des('-')).forEach(key => {
                delete argv[key];
            });
        }
        if (configuration['strip-aliased']) {
            [].concat(...Object.keys(aliases).map(k => aliases[k])).forEach(alias => {
                if (configuration['camel-case-expansion'] && alias.includes('-')) {
                    delete argv[alias.split('.').map(prop => camelCase(prop)).join('.')];
                }
                delete argv[alias];
            });
        }
        // Push argument into positional array, applying numeric coercion:
        function pushPositional(arg) {
            const maybeCoercedNumber = maybeCoerceNumber('_', arg);
            if (typeof maybeCoercedNumber === 'string' || typeof maybeCoercedNumber === 'number') {
                argv._.push(maybeCoercedNumber);
            }
        }
        // how many arguments should we consume, based
        // on the nargs option?
        function eatNargs(i, key, args, argAfterEqualSign) {
            let ii;
            let toEat = checkAllAliases(key, flags.nargs);
            // NaN has a special meaning for the array type, indicating that one or
            // more values are expected.
            toEat = typeof toEat !== 'number' || isNaN(toEat) ? 1 : toEat;
            if (toEat === 0) {
                if (!isUndefined(argAfterEqualSign)) {
                    error = Error(__('Argument unexpected for: %s', key));
                }
                setArg(key, defaultValue(key));
                return i;
            }
            let available = isUndefined(argAfterEqualSign) ? 0 : 1;
            if (configuration['nargs-eats-options']) {
                // classic behavior, yargs eats positional and dash arguments.
                if (args.length - (i + 1) + available < toEat) {
                    error = Error(__('Not enough arguments following: %s', key));
                }
                available = toEat;
            }
            else {
                // nargs will not consume flag arguments, e.g., -abc, --foo,
                // and terminates when one is observed.
                for (ii = i + 1; ii < args.length; ii++) {
                    if (!args[ii].match(/^-[^0-9]/) || args[ii].match(negative) || isUnknownOptionAsArg(args[ii]))
                        available++;
                    else
                        break;
                }
                if (available < toEat)
                    error = Error(__('Not enough arguments following: %s', key));
            }
            let consumed = Math.min(available, toEat);
            if (!isUndefined(argAfterEqualSign) && consumed > 0) {
                setArg(key, argAfterEqualSign);
                consumed--;
            }
            for (ii = i + 1; ii < (consumed + i + 1); ii++) {
                setArg(key, args[ii]);
            }
            return (i + consumed);
        }
        // if an option is an array, eat all non-hyphenated arguments
        // following it... YUM!
        // e.g., --foo apple banana cat becomes ["apple", "banana", "cat"]
        function eatArray(i, key, args, argAfterEqualSign) {
            let argsToSet = [];
            let next = argAfterEqualSign || args[i + 1];
            // If both array and nargs are configured, enforce the nargs count:
            const nargsCount = checkAllAliases(key, flags.nargs);
            if (checkAllAliases(key, flags.bools) && !(/^(true|false)$/.test(next))) {
                argsToSet.push(true);
            }
            else if (isUndefined(next) ||
                (isUndefined(argAfterEqualSign) && /^-/.test(next) && !negative.test(next) && !isUnknownOptionAsArg(next))) {
                // for keys without value ==> argsToSet remains an empty []
                // set user default value, if available
                if (defaults[key] !== undefined) {
                    const defVal = defaults[key];
                    argsToSet = Array.isArray(defVal) ? defVal : [defVal];
                }
            }
            else {
                // value in --option=value is eaten as is
                if (!isUndefined(argAfterEqualSign)) {
                    argsToSet.push(processValue(key, argAfterEqualSign, true));
                }
                for (let ii = i + 1; ii < args.length; ii++) {
                    if ((!configuration['greedy-arrays'] && argsToSet.length > 0) ||
                        (nargsCount && typeof nargsCount === 'number' && argsToSet.length >= nargsCount))
                        break;
                    next = args[ii];
                    if (/^-/.test(next) && !negative.test(next) && !isUnknownOptionAsArg(next))
                        break;
                    i = ii;
                    argsToSet.push(processValue(key, next, inputIsString));
                }
            }
            // If both array and nargs are configured, create an error if less than
            // nargs positionals were found. NaN has special meaning, indicating
            // that at least one value is required (more are okay).
            if (typeof nargsCount === 'number' && ((nargsCount && argsToSet.length < nargsCount) ||
                (isNaN(nargsCount) && argsToSet.length === 0))) {
                error = Error(__('Not enough arguments following: %s', key));
            }
            setArg(key, argsToSet);
            return i;
        }
        function setArg(key, val, shouldStripQuotes = inputIsString) {
            if (/-/.test(key) && configuration['camel-case-expansion']) {
                const alias = key.split('.').map(function (prop) {
                    return camelCase(prop);
                }).join('.');
                addNewAlias(key, alias);
            }
            const value = processValue(key, val, shouldStripQuotes);
            const splitKey = key.split('.');
            setKey(argv, splitKey, value);
            // handle populating aliases of the full key
            if (flags.aliases[key]) {
                flags.aliases[key].forEach(function (x) {
                    const keyProperties = x.split('.');
                    setKey(argv, keyProperties, value);
                });
            }
            // handle populating aliases of the first element of the dot-notation key
            if (splitKey.length > 1 && configuration['dot-notation']) {
                (flags.aliases[splitKey[0]] || []).forEach(function (x) {
                    let keyProperties = x.split('.');
                    // expand alias with nested objects in key
                    const a = [].concat(splitKey);
                    a.shift(); // nuke the old key.
                    keyProperties = keyProperties.concat(a);
                    // populate alias only if is not already an alias of the full key
                    // (already populated above)
                    if (!(flags.aliases[key] || []).includes(keyProperties.join('.'))) {
                        setKey(argv, keyProperties, value);
                    }
                });
            }
            // Set normalize getter and setter when key is in 'normalize' but isn't an array
            if (checkAllAliases(key, flags.normalize) && !checkAllAliases(key, flags.arrays)) {
                const keys = [key].concat(flags.aliases[key] || []);
                keys.forEach(function (key) {
                    Object.defineProperty(argvReturn, key, {
                        enumerable: true,
                        get() {
                            return val;
                        },
                        set(value) {
                            val = typeof value === 'string' ? mixin.normalize(value) : value;
                        }
                    });
                });
            }
        }
        function addNewAlias(key, alias) {
            if (!(flags.aliases[key] && flags.aliases[key].length)) {
                flags.aliases[key] = [alias];
                newAliases[alias] = true;
            }
            if (!(flags.aliases[alias] && flags.aliases[alias].length)) {
                addNewAlias(alias, key);
            }
        }
        function processValue(key, val, shouldStripQuotes) {
            // strings may be quoted, clean this up as we assign values.
            if (shouldStripQuotes) {
                val = stripQuotes(val);
            }
            // handle parsing boolean arguments --foo=true --bar false.
            if (checkAllAliases(key, flags.bools) || checkAllAliases(key, flags.counts)) {
                if (typeof val === 'string')
                    val = val === 'true';
            }
            let value = Array.isArray(val)
                ? val.map(function (v) { return maybeCoerceNumber(key, v); })
                : maybeCoerceNumber(key, val);
            // increment a count given as arg (either no value or value parsed as boolean)
            if (checkAllAliases(key, flags.counts) && (isUndefined(value) || typeof value === 'boolean')) {
                value = increment();
            }
            // Set normalized value when key is in 'normalize' and in 'arrays'
            if (checkAllAliases(key, flags.normalize) && checkAllAliases(key, flags.arrays)) {
                if (Array.isArray(val))
                    value = val.map((val) => { return mixin.normalize(val); });
                else
                    value = mixin.normalize(val);
            }
            return value;
        }
        function maybeCoerceNumber(key, value) {
            if (!configuration['parse-positional-numbers'] && key === '_')
                return value;
            if (!checkAllAliases(key, flags.strings) && !checkAllAliases(key, flags.bools) && !Array.isArray(value)) {
                const shouldCoerceNumber = looksLikeNumber(value) && configuration['parse-numbers'] && (Number.isSafeInteger(Math.floor(parseFloat(`${value}`))));
                if (shouldCoerceNumber || (!isUndefined(value) && checkAllAliases(key, flags.numbers))) {
                    value = Number(value);
                }
            }
            return value;
        }
        // set args from config.json file, this should be
        // applied last so that defaults can be applied.
        function setConfig(argv) {
            const configLookup = Object.create(null);
            // expand defaults/aliases, in-case any happen to reference
            // the config.json file.
            applyDefaultsAndAliases(configLookup, flags.aliases, defaults);
            Object.keys(flags.configs).forEach(function (configKey) {
                const configPath = argv[configKey] || configLookup[configKey];
                if (configPath) {
                    try {
                        let config = null;
                        const resolvedConfigPath = mixin.resolve(mixin.cwd(), configPath);
                        const resolveConfig = flags.configs[configKey];
                        if (typeof resolveConfig === 'function') {
                            try {
                                config = resolveConfig(resolvedConfigPath);
                            }
                            catch (e) {
                                config = e;
                            }
                            if (config instanceof Error) {
                                error = config;
                                return;
                            }
                        }
                        else {
                            config = mixin.require(resolvedConfigPath);
                        }
                        setConfigObject(config);
                    }
                    catch (ex) {
                        // Deno will receive a PermissionDenied error if an attempt is
                        // made to load config without the --allow-read flag:
                        if (ex.name === 'PermissionDenied')
                            error = ex;
                        else if (argv[configKey])
                            error = Error(__('Invalid JSON config file: %s', configPath));
                    }
                }
            });
        }
        // set args from config object.
        // it recursively checks nested objects.
        function setConfigObject(config, prev) {
            Object.keys(config).forEach(function (key) {
                const value = config[key];
                const fullKey = prev ? prev + '.' + key : key;
                // if the value is an inner object and we have dot-notation
                // enabled, treat inner objects in config the same as
                // heavily nested dot notations (foo.bar.apple).
                if (typeof value === 'object' && value !== null && !Array.isArray(value) && configuration['dot-notation']) {
                    // if the value is an object but not an array, check nested object
                    setConfigObject(value, fullKey);
                }
                else {
                    // setting arguments via CLI takes precedence over
                    // values within the config file.
                    if (!hasKey(argv, fullKey.split('.')) || (checkAllAliases(fullKey, flags.arrays) && configuration['combine-arrays'])) {
                        setArg(fullKey, value);
                    }
                }
            });
        }
        // set all config objects passed in opts
        function setConfigObjects() {
            if (typeof configObjects !== 'undefined') {
                configObjects.forEach(function (configObject) {
                    setConfigObject(configObject);
                });
            }
        }
        function applyEnvVars(argv, configOnly) {
            if (typeof envPrefix === 'undefined')
                return;
            const prefix = typeof envPrefix === 'string' ? envPrefix : '';
            const env = mixin.env();
            Object.keys(env).forEach(function (envVar) {
                if (prefix === '' || envVar.lastIndexOf(prefix, 0) === 0) {
                    // get array of nested keys and convert them to camel case
                    const keys = envVar.split('__').map(function (key, i) {
                        if (i === 0) {
                            key = key.substring(prefix.length);
                        }
                        return camelCase(key);
                    });
                    if (((configOnly && flags.configs[keys.join('.')]) || !configOnly) && !hasKey(argv, keys)) {
                        setArg(keys.join('.'), env[envVar]);
                    }
                }
            });
        }
        function applyCoercions(argv) {
            let coerce;
            const applied = new Set();
            Object.keys(argv).forEach(function (key) {
                if (!applied.has(key)) { // If we haven't already coerced this option via one of its aliases
                    coerce = checkAllAliases(key, flags.coercions);
                    if (typeof coerce === 'function') {
                        try {
                            const value = maybeCoerceNumber(key, coerce(argv[key]));
                            ([].concat(flags.aliases[key] || [], key)).forEach(ali => {
                                applied.add(ali);
                                argv[ali] = value;
                            });
                        }
                        catch (err) {
                            error = err;
                        }
                    }
                }
            });
        }
        function setPlaceholderKeys(argv) {
            flags.keys.forEach((key) => {
                // don't set placeholder keys for dot notation options 'foo.bar'.
                if (~key.indexOf('.'))
                    return;
                if (typeof argv[key] === 'undefined')
                    argv[key] = undefined;
            });
            return argv;
        }
        function applyDefaultsAndAliases(obj, aliases, defaults, canLog = false) {
            Object.keys(defaults).forEach(function (key) {
                if (!hasKey(obj, key.split('.'))) {
                    setKey(obj, key.split('.'), defaults[key]);
                    if (canLog)
                        defaulted[key] = true;
                    (aliases[key] || []).forEach(function (x) {
                        if (hasKey(obj, x.split('.')))
                            return;
                        setKey(obj, x.split('.'), defaults[key]);
                    });
                }
            });
        }
        function hasKey(obj, keys) {
            let o = obj;
            if (!configuration['dot-notation'])
                keys = [keys.join('.')];
            keys.slice(0, -1).forEach(function (key) {
                o = (o[key] || {});
            });
            const key = keys[keys.length - 1];
            if (typeof o !== 'object')
                return false;
            else
                return key in o;
        }
        function setKey(obj, keys, value) {
            let o = obj;
            if (!configuration['dot-notation'])
                keys = [keys.join('.')];
            keys.slice(0, -1).forEach(function (key) {
                // TODO(bcoe): in the next major version of yargs, switch to
                // Object.create(null) for dot notation:
                key = sanitizeKey(key);
                if (typeof o === 'object' && o[key] === undefined) {
                    o[key] = {};
                }
                if (typeof o[key] !== 'object' || Array.isArray(o[key])) {
                    // ensure that o[key] is an array, and that the last item is an empty object.
                    if (Array.isArray(o[key])) {
                        o[key].push({});
                    }
                    else {
                        o[key] = [o[key], {}];
                    }
                    // we want to update the empty object at the end of the o[key] array, so set o to that object
                    o = o[key][o[key].length - 1];
                }
                else {
                    o = o[key];
                }
            });
            // TODO(bcoe): in the next major version of yargs, switch to
            // Object.create(null) for dot notation:
            const key = sanitizeKey(keys[keys.length - 1]);
            const isTypeArray = checkAllAliases(keys.join('.'), flags.arrays);
            const isValueArray = Array.isArray(value);
            let duplicate = configuration['duplicate-arguments-array'];
            // nargs has higher priority than duplicate
            if (!duplicate && checkAllAliases(key, flags.nargs)) {
                duplicate = true;
                if ((!isUndefined(o[key]) && flags.nargs[key] === 1) || (Array.isArray(o[key]) && o[key].length === flags.nargs[key])) {
                    o[key] = undefined;
                }
            }
            if (value === increment()) {
                o[key] = increment(o[key]);
            }
            else if (Array.isArray(o[key])) {
                if (duplicate && isTypeArray && isValueArray) {
                    o[key] = configuration['flatten-duplicate-arrays'] ? o[key].concat(value) : (Array.isArray(o[key][0]) ? o[key] : [o[key]]).concat([value]);
                }
                else if (!duplicate && Boolean(isTypeArray) === Boolean(isValueArray)) {
                    o[key] = value;
                }
                else {
                    o[key] = o[key].concat([value]);
                }
            }
            else if (o[key] === undefined && isTypeArray) {
                o[key] = isValueArray ? value : [value];
            }
            else if (duplicate && !(o[key] === undefined ||
                checkAllAliases(key, flags.counts) ||
                checkAllAliases(key, flags.bools))) {
                o[key] = [o[key], value];
            }
            else {
                o[key] = value;
            }
        }
        // extend the aliases list with inferred aliases.
        function extendAliases(...args) {
            args.forEach(function (obj) {
                Object.keys(obj || {}).forEach(function (key) {
                    // short-circuit if we've already added a key
                    // to the aliases array, for example it might
                    // exist in both 'opts.default' and 'opts.key'.
                    if (flags.aliases[key])
                        return;
                    flags.aliases[key] = [].concat(aliases[key] || []);
                    // For "--option-name", also set argv.optionName
                    flags.aliases[key].concat(key).forEach(function (x) {
                        if (/-/.test(x) && configuration['camel-case-expansion']) {
                            const c = camelCase(x);
                            if (c !== key && flags.aliases[key].indexOf(c) === -1) {
                                flags.aliases[key].push(c);
                                newAliases[c] = true;
                            }
                        }
                    });
                    // For "--optionName", also set argv['option-name']
                    flags.aliases[key].concat(key).forEach(function (x) {
                        if (x.length > 1 && /[A-Z]/.test(x) && configuration['camel-case-expansion']) {
                            const c = decamelize(x, '-');
                            if (c !== key && flags.aliases[key].indexOf(c) === -1) {
                                flags.aliases[key].push(c);
                                newAliases[c] = true;
                            }
                        }
                    });
                    flags.aliases[key].forEach(function (x) {
                        flags.aliases[x] = [key].concat(flags.aliases[key].filter(function (y) {
                            return x !== y;
                        }));
                    });
                });
            });
        }
        function checkAllAliases(key, flag) {
            const toCheck = [].concat(flags.aliases[key] || [], key);
            const keys = Object.keys(flag);
            const setAlias = toCheck.find(key => keys.includes(key));
            return setAlias ? flag[setAlias] : false;
        }
        function hasAnyFlag(key) {
            const flagsKeys = Object.keys(flags);
            const toCheck = [].concat(flagsKeys.map(k => flags[k]));
            return toCheck.some(function (flag) {
                return Array.isArray(flag) ? flag.includes(key) : flag[key];
            });
        }
        function hasFlagsMatching(arg, ...patterns) {
            const toCheck = [].concat(...patterns);
            return toCheck.some(function (pattern) {
                const match = arg.match(pattern);
                return match && hasAnyFlag(match[1]);
            });
        }
        // based on a simplified version of the short flag group parsing logic
        function hasAllShortFlags(arg) {
            // if this is a negative number, or doesn't start with a single hyphen, it's not a short flag group
            if (arg.match(negative) || !arg.match(/^-[^-]+/)) {
                return false;
            }
            let hasAllFlags = true;
            let next;
            const letters = arg.slice(1).split('');
            for (let j = 0; j < letters.length; j++) {
                next = arg.slice(j + 2);
                if (!hasAnyFlag(letters[j])) {
                    hasAllFlags = false;
                    break;
                }
                if ((letters[j + 1] && letters[j + 1] === '=') ||
                    next === '-' ||
                    (/[A-Za-z]/.test(letters[j]) && /^-?\d+(\.\d*)?(e-?\d+)?$/.test(next)) ||
                    (letters[j + 1] && letters[j + 1].match(/\W/))) {
                    break;
                }
            }
            return hasAllFlags;
        }
        function isUnknownOptionAsArg(arg) {
            return configuration['unknown-options-as-args'] && isUnknownOption(arg);
        }
        function isUnknownOption(arg) {
            arg = arg.replace(/^-{3,}/, '--');
            // ignore negative numbers
            if (arg.match(negative)) {
                return false;
            }
            // if this is a short option group and all of them are configured, it isn't unknown
            if (hasAllShortFlags(arg)) {
                return false;
            }
            // e.g. '--count=2'
            const flagWithEquals = /^-+([^=]+?)=[\s\S]*$/;
            // e.g. '-a' or '--arg'
            const normalFlag = /^-+([^=]+?)$/;
            // e.g. '-a-'
            const flagEndingInHyphen = /^-+([^=]+?)-$/;
            // e.g. '-abc123'
            const flagEndingInDigits = /^-+([^=]+?\d+)$/;
            // e.g. '-a/usr/local'
            const flagEndingInNonWordCharacters = /^-+([^=]+?)\W+.*$/;
            // check the different types of flag styles, including negatedBoolean, a pattern defined near the start of the parse method
            return !hasFlagsMatching(arg, flagWithEquals, negatedBoolean, normalFlag, flagEndingInHyphen, flagEndingInDigits, flagEndingInNonWordCharacters);
        }
        // make a best effort to pick a default value
        // for an option based on name and type.
        function defaultValue(key) {
            if (!checkAllAliases(key, flags.bools) &&
                !checkAllAliases(key, flags.counts) &&
                `${key}` in defaults) {
                return defaults[key];
            }
            else {
                return defaultForType(guessType(key));
            }
        }
        // return a default value, given the type of a flag.,
        function defaultForType(type) {
            const def = {
                [DefaultValuesForTypeKey.BOOLEAN]: true,
                [DefaultValuesForTypeKey.STRING]: '',
                [DefaultValuesForTypeKey.NUMBER]: undefined,
                [DefaultValuesForTypeKey.ARRAY]: []
            };
            return def[type];
        }
        // given a flag, enforce a default type.
        function guessType(key) {
            let type = DefaultValuesForTypeKey.BOOLEAN;
            if (checkAllAliases(key, flags.strings))
                type = DefaultValuesForTypeKey.STRING;
            else if (checkAllAliases(key, flags.numbers))
                type = DefaultValuesForTypeKey.NUMBER;
            else if (checkAllAliases(key, flags.bools))
                type = DefaultValuesForTypeKey.BOOLEAN;
            else if (checkAllAliases(key, flags.arrays))
                type = DefaultValuesForTypeKey.ARRAY;
            return type;
        }
        function isUndefined(num) {
            return num === undefined;
        }
        // check user configuration settings for inconsistencies
        function checkConfiguration() {
            // count keys should not be set as array/narg
            Object.keys(flags.counts).find(key => {
                if (checkAllAliases(key, flags.arrays)) {
                    error = Error(__('Invalid configuration: %s, opts.count excludes opts.array.', key));
                    return true;
                }
                else if (checkAllAliases(key, flags.nargs)) {
                    error = Error(__('Invalid configuration: %s, opts.count excludes opts.narg.', key));
                    return true;
                }
                return false;
            });
        }
        return {
            aliases: Object.assign({}, flags.aliases),
            argv: Object.assign(argvReturn, argv),
            configuration: configuration,
            defaulted: Object.assign({}, defaulted),
            error: error,
            newAliases: Object.assign({}, newAliases)
        };
    }
}
// if any aliases reference each other, we should
// merge them together.
function combineAliases(aliases) {
    const aliasArrays = [];
    const combined = Object.create(null);
    let change = true;
    // turn alias lookup hash {key: ['alias1', 'alias2']} into
    // a simple array ['key', 'alias1', 'alias2']
    Object.keys(aliases).forEach(function (key) {
        aliasArrays.push([].concat(aliases[key], key));
    });
    // combine arrays until zero changes are
    // made in an iteration.
    while (change) {
        change = false;
        for (let i = 0; i < aliasArrays.length; i++) {
            for (let ii = i + 1; ii < aliasArrays.length; ii++) {
                const intersect = aliasArrays[i].filter(function (v) {
                    return aliasArrays[ii].indexOf(v) !== -1;
                });
                if (intersect.length) {
                    aliasArrays[i] = aliasArrays[i].concat(aliasArrays[ii]);
                    aliasArrays.splice(ii, 1);
                    change = true;
                    break;
                }
            }
        }
    }
    // map arrays back to the hash-lookup (de-dupe while
    // we're at it).
    aliasArrays.forEach(function (aliasArray) {
        aliasArray = aliasArray.filter(function (v, i, self) {
            return self.indexOf(v) === i;
        });
        const lastAlias = aliasArray.pop();
        if (lastAlias !== undefined && typeof lastAlias === 'string') {
            combined[lastAlias] = aliasArray;
        }
    });
    return combined;
}
// this function should only be called when a count is given as an arg
// it is NOT called to set a default value
// thus we can start the count at 1 instead of 0
function increment(orig) {
    return orig !== undefined ? orig + 1 : 1;
}
// TODO(bcoe): in the next major version of yargs, switch to
// Object.create(null) for dot notation:
function sanitizeKey(key) {
    if (key === '__proto__')
        return '___proto___';
    return key;
}
function stripQuotes(val) {
    return (typeof val === 'string' &&
        (val[0] === "'" || val[0] === '"') &&
        val[val.length - 1] === val[0])
        ? val.substring(1, val.length - 1)
        : val;
}

/**
 * @fileoverview Main entrypoint for libraries using yargs-parser in Node.js
 * CJS and ESM environments.
 *
 * @license
 * Copyright (c) 2016, Contributors
 * SPDX-License-Identifier: ISC
 */
var _a, _b, _c;
// See https://github.com/yargs/yargs-parser#supported-nodejs-versions for our
// version support policy. The YARGS_MIN_NODE_VERSION is used for testing only.
const minNodeVersion = (process && process.env && process.env.YARGS_MIN_NODE_VERSION)
    ? Number(process.env.YARGS_MIN_NODE_VERSION)
    : 12;
const nodeVersion = (_b = (_a = process === null || process === void 0 ? void 0 : process.versions) === null || _a === void 0 ? void 0 : _a.node) !== null && _b !== void 0 ? _b : (_c = process === null || process === void 0 ? void 0 : process.version) === null || _c === void 0 ? void 0 : _c.slice(1);
if (nodeVersion) {
    const major = Number(nodeVersion.match(/^([^.]+)/)[1]);
    if (major < minNodeVersion) {
        throw Error(`yargs parser supports a minimum Node.js version of ${minNodeVersion}. Read our version support policy: https://github.com/yargs/yargs-parser#supported-nodejs-versions`);
    }
}
// Creates a yargs-parser instance using Node.js standard libraries:
const env = process ? process.env : {};
const parser = new YargsParser({
    cwd: process.cwd,
    env: () => {
        return env;
    },
    format: require$$2.format,
    normalize: require$$0.normalize,
    resolve: require$$0.resolve,
    // TODO: figure  out a  way to combine ESM and CJS coverage, such  that
    // we can exercise all the lines below:
    require: (path) => {
        if (typeof require !== 'undefined') {
            return require(path);
        }
        else if (path.match(/\.json$/)) {
            // Addresses: https://github.com/yargs/yargs/issues/2040
            return JSON.parse(require$$0$1.readFileSync(path, 'utf8'));
        }
        else {
            throw Error('only .json config files are supported in ESM');
        }
    }
});
const yargsParser = function Parser(args, opts) {
    const result = parser.parse(args.slice(), opts);
    return result.argv;
};
yargsParser.detailed = function (args, opts) {
    return parser.parse(args.slice(), opts);
};
yargsParser.camelCase = camelCase;
yargsParser.decamelize = decamelize;
yargsParser.looksLikeNumber = looksLikeNumber;

/******************************************************************************
Copyright (c) Microsoft Corporation.

Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
***************************************************************************** */
/* global Reflect, Promise, SuppressedError, Symbol, Iterator */


function __addDisposableResource(env, value, async) {
    if (value !== null && value !== void 0) {
        if (typeof value !== "object" && typeof value !== "function") throw new TypeError("Object expected.");
        var dispose, inner;
        if (async) {
            if (!Symbol.asyncDispose) throw new TypeError("Symbol.asyncDispose is not defined.");
            dispose = value[Symbol.asyncDispose];
        }
        if (dispose === void 0) {
            if (!Symbol.dispose) throw new TypeError("Symbol.dispose is not defined.");
            dispose = value[Symbol.dispose];
            if (async) inner = dispose;
        }
        if (typeof dispose !== "function") throw new TypeError("Object not disposable.");
        if (inner) dispose = function() { try { inner.call(this); } catch (e) { return Promise.reject(e); } };
        env.stack.push({ value: value, dispose: dispose, async: async });
    }
    else if (async) {
        env.stack.push({ async: true });
    }
    return value;

}

var _SuppressedError = typeof SuppressedError === "function" ? SuppressedError : function (error, suppressed, message) {
    var e = new Error(message);
    return e.name = "SuppressedError", e.error = error, e.suppressed = suppressed, e;
};

function __disposeResources(env) {
    function fail(e) {
        env.error = env.hasError ? new _SuppressedError(e, env.error, "An error was suppressed during disposal.") : e;
        env.hasError = true;
    }
    var r, s = 0;
    function next() {
        while (r = env.stack.pop()) {
            try {
                if (!r.async && s === 1) return s = 0, env.stack.push(r), Promise.resolve().then(next);
                if (r.dispose) {
                    var result = r.dispose.call(r.value);
                    if (r.async) return s |= 2, Promise.resolve(result).then(next, function(e) { fail(e); return next(); });
                }
                else s |= 1;
            }
            catch (e) {
                fail(e);
            }
        }
        if (s === 1) return env.hasError ? Promise.reject(env.error) : Promise.resolve();
        if (env.hasError) throw env.error;
    }
    return next();
}

const toZeroIfInfinity = value => Number.isFinite(value) ? value : 0;

function parseNumber(milliseconds) {
	return {
		days: Math.trunc(milliseconds / 86_400_000),
		hours: Math.trunc(milliseconds / 3_600_000 % 24),
		minutes: Math.trunc(milliseconds / 60_000 % 60),
		seconds: Math.trunc(milliseconds / 1000 % 60),
		milliseconds: Math.trunc(milliseconds % 1000),
		microseconds: Math.trunc(toZeroIfInfinity(milliseconds * 1000) % 1000),
		nanoseconds: Math.trunc(toZeroIfInfinity(milliseconds * 1e6) % 1000),
	};
}

function parseBigint(milliseconds) {
	return {
		days: milliseconds / 86_400_000n,
		hours: milliseconds / 3_600_000n % 24n,
		minutes: milliseconds / 60_000n % 60n,
		seconds: milliseconds / 1000n % 60n,
		milliseconds: milliseconds % 1000n,
		microseconds: 0n,
		nanoseconds: 0n,
	};
}

function parseMilliseconds(milliseconds) {
	switch (typeof milliseconds) {
		case 'number': {
			if (Number.isFinite(milliseconds)) {
				return parseNumber(milliseconds);
			}

			break;
		}

		case 'bigint': {
			return parseBigint(milliseconds);
		}

		// No default
	}

	throw new TypeError('Expected a finite number or bigint');
}

const isZero = value => value === 0 || value === 0n;
const pluralize = (word, count) => (count === 1 || count === 1n) ? word : `${word}s`;

const SECOND_ROUNDING_EPSILON = 0.000_000_1;
const ONE_DAY_IN_MILLISECONDS = 24n * 60n * 60n * 1000n;

function prettyMilliseconds(milliseconds, options) {
	const isBigInt = typeof milliseconds === 'bigint';
	if (!isBigInt && !Number.isFinite(milliseconds)) {
		throw new TypeError('Expected a finite number or bigint');
	}

	options = {...options};

	const sign = milliseconds < 0 ? '-' : '';
	milliseconds = milliseconds < 0 ? -milliseconds : milliseconds; // Cannot use `Math.abs()` because of BigInt support.

	if (options.colonNotation) {
		options.compact = false;
		options.formatSubMilliseconds = false;
		options.separateMilliseconds = false;
		options.verbose = false;
	}

	if (options.compact) {
		options.unitCount = 1;
		options.secondsDecimalDigits = 0;
		options.millisecondsDecimalDigits = 0;
	}

	let result = [];

	const floorDecimals = (value, decimalDigits) => {
		const flooredInterimValue = Math.floor((value * (10 ** decimalDigits)) + SECOND_ROUNDING_EPSILON);
		const flooredValue = Math.round(flooredInterimValue) / (10 ** decimalDigits);
		return flooredValue.toFixed(decimalDigits);
	};

	const add = (value, long, short, valueString) => {
		if (
			(result.length === 0 || !options.colonNotation)
			&& isZero(value)
			&& !(options.colonNotation && short === 'm')) {
			return;
		}

		valueString ??= String(value);
		if (options.colonNotation) {
			const wholeDigits = valueString.includes('.') ? valueString.split('.')[0].length : valueString.length;
			const minLength = result.length > 0 ? 2 : 1;
			valueString = '0'.repeat(Math.max(0, minLength - wholeDigits)) + valueString;
		} else {
			valueString += options.verbose ? ' ' + pluralize(long, value) : short;
		}

		result.push(valueString);
	};

	const parsed = parseMilliseconds(milliseconds);
	const days = BigInt(parsed.days);

	if (options.hideYearAndDays) {
		add((BigInt(days) * 24n) + BigInt(parsed.hours), 'hour', 'h');
	} else {
		if (options.hideYear) {
			add(days, 'day', 'd');
		} else {
			add(days / 365n, 'year', 'y');
			add(days % 365n, 'day', 'd');
		}

		add(Number(parsed.hours), 'hour', 'h');
	}

	add(Number(parsed.minutes), 'minute', 'm');

	if (!options.hideSeconds) {
		if (
			options.separateMilliseconds
			|| options.formatSubMilliseconds
			|| (!options.colonNotation && milliseconds < 1000 && !options.subSecondsAsDecimals)
		) {
			const seconds = Number(parsed.seconds);
			const milliseconds = Number(parsed.milliseconds);
			const microseconds = Number(parsed.microseconds);
			const nanoseconds = Number(parsed.nanoseconds);

			add(seconds, 'second', 's');

			if (options.formatSubMilliseconds) {
				add(milliseconds, 'millisecond', 'ms');
				add(microseconds, 'microsecond', 'µs');
				add(nanoseconds, 'nanosecond', 'ns');
			} else {
				const millisecondsAndBelow
					= milliseconds
					+ (microseconds / 1000)
					+ (nanoseconds / 1e6);

				const millisecondsDecimalDigits
					= typeof options.millisecondsDecimalDigits === 'number'
						? options.millisecondsDecimalDigits
						: 0;

				const roundedMilliseconds = millisecondsAndBelow >= 1
					? Math.round(millisecondsAndBelow)
					: Math.ceil(millisecondsAndBelow);

				const millisecondsString = millisecondsDecimalDigits
					? millisecondsAndBelow.toFixed(millisecondsDecimalDigits)
					: roundedMilliseconds;

				add(
					Number.parseFloat(millisecondsString),
					'millisecond',
					'ms',
					millisecondsString,
				);
			}
		} else {
			const seconds = (
				(isBigInt ? Number(milliseconds % ONE_DAY_IN_MILLISECONDS) : milliseconds)
				/ 1000
			) % 60;
			const secondsDecimalDigits
				= typeof options.secondsDecimalDigits === 'number'
					? options.secondsDecimalDigits
					: 1;
			const secondsFixed = floorDecimals(seconds, secondsDecimalDigits);
			const secondsString = options.keepDecimalsOnWholeSeconds
				? secondsFixed
				: secondsFixed.replace(/\.0+$/, '');
			add(Number.parseFloat(secondsString), 'second', 's', secondsString);
		}
	}

	if (result.length === 0) {
		return sign + '0' + (options.verbose ? ' milliseconds' : 'ms');
	}

	const separator = options.colonNotation ? ':' : ' ';
	if (typeof options.unitCount === 'number') {
		result = result.slice(0, Math.max(options.unitCount, 1));
	}

	return sign + result.join(separator);
}

const BYTE_UNITS = [
	'B',
	'kB',
	'MB',
	'GB',
	'TB',
	'PB',
	'EB',
	'ZB',
	'YB',
];

const BIBYTE_UNITS = [
	'B',
	'KiB',
	'MiB',
	'GiB',
	'TiB',
	'PiB',
	'EiB',
	'ZiB',
	'YiB',
];

const BIT_UNITS = [
	'b',
	'kbit',
	'Mbit',
	'Gbit',
	'Tbit',
	'Pbit',
	'Ebit',
	'Zbit',
	'Ybit',
];

const BIBIT_UNITS = [
	'b',
	'kibit',
	'Mibit',
	'Gibit',
	'Tibit',
	'Pibit',
	'Eibit',
	'Zibit',
	'Yibit',
];

/*
Formats the given number using `Number#toLocaleString`.
- If locale is a string, the value is expected to be a locale-key (for example: `de`).
- If locale is true, the system default locale is used for translation.
- If no value for locale is specified, the number is returned unmodified.
*/
const toLocaleString = (number, locale, options) => {
	let result = number;
	if (typeof locale === 'string' || Array.isArray(locale)) {
		result = number.toLocaleString(locale, options);
	} else if (locale === true || options !== undefined) {
		result = number.toLocaleString(undefined, options);
	}

	return result;
};

const log10 = numberOrBigInt => {
	if (typeof numberOrBigInt === 'number') {
		return Math.log10(numberOrBigInt);
	}

	const string = numberOrBigInt.toString(10);

	return string.length + Math.log10(`0.${string.slice(0, 15)}`);
};

const log = numberOrBigInt => {
	if (typeof numberOrBigInt === 'number') {
		return Math.log(numberOrBigInt);
	}

	return log10(numberOrBigInt) * Math.log(10);
};

const divide = (numberOrBigInt, divisor) => {
	if (typeof numberOrBigInt === 'number') {
		return numberOrBigInt / divisor;
	}

	const integerPart = numberOrBigInt / BigInt(divisor);
	const remainder = numberOrBigInt % BigInt(divisor);
	return Number(integerPart) + (Number(remainder) / divisor);
};

const applyFixedWidth = (result, fixedWidth) => {
	if (fixedWidth === undefined) {
		return result;
	}

	if (typeof fixedWidth !== 'number' || !Number.isSafeInteger(fixedWidth) || fixedWidth < 0) {
		throw new TypeError(`Expected fixedWidth to be a non-negative integer, got ${typeof fixedWidth}: ${fixedWidth}`);
	}

	if (fixedWidth === 0) {
		return result;
	}

	return result.length < fixedWidth ? result.padStart(fixedWidth, ' ') : result;
};

const buildLocaleOptions = options => {
	const {minimumFractionDigits, maximumFractionDigits} = options;

	if (minimumFractionDigits === undefined && maximumFractionDigits === undefined) {
		return undefined;
	}

	return {
		...(minimumFractionDigits !== undefined && {minimumFractionDigits}),
		...(maximumFractionDigits !== undefined && {maximumFractionDigits}),
		roundingMode: 'trunc',
	};
};

function prettyBytes(number, options) {
	if (typeof number !== 'bigint' && !Number.isFinite(number)) {
		throw new TypeError(`Expected a finite number, got ${typeof number}: ${number}`);
	}

	options = {
		bits: false,
		binary: false,
		space: true,
		nonBreakingSpace: false,
		...options,
	};

	const UNITS = options.bits
		? (options.binary ? BIBIT_UNITS : BIT_UNITS)
		: (options.binary ? BIBYTE_UNITS : BYTE_UNITS);

	const separator = options.space ? (options.nonBreakingSpace ? '\u00A0' : ' ') : '';

	// Handle signed zero case
	const isZero = typeof number === 'number' ? number === 0 : number === 0n;
	if (options.signed && isZero) {
		const result = ` 0${separator}${UNITS[0]}`;
		return applyFixedWidth(result, options.fixedWidth);
	}

	const isNegative = number < 0;
	const prefix = isNegative ? '-' : (options.signed ? '+' : '');

	if (isNegative) {
		number = -number;
	}

	const localeOptions = buildLocaleOptions(options);
	let result;

	if (number < 1) {
		const numberString = toLocaleString(number, options.locale, localeOptions);
		result = prefix + numberString + separator + UNITS[0];
	} else {
		const exponent = Math.min(Math.floor(options.binary ? log(number) / Math.log(1024) : log10(number) / 3), UNITS.length - 1);
		number = divide(number, (options.binary ? 1024 : 1000) ** exponent);

		if (!localeOptions) {
			const minPrecision = Math.max(3, Math.floor(number).toString().length);
			number = number.toPrecision(minPrecision);
		}

		const numberString = toLocaleString(Number(number), options.locale, localeOptions);
		const unit = UNITS[exponent];
		result = prefix + numberString + separator + unit;
	}

	return applyFixedWidth(result, options.fixedWidth);
}

function printTimings(timings) {
    for (const [label, [time, memory, total]] of Object.entries(timings)) {
        const appliedColor = label[0] === '#' ? (label[1] === '#' ? rollup.bold : rollup.underline) : (text) => text;
        const row = `${label}: ${time.toFixed(0)}ms, ${prettyBytes(memory)} / ${prettyBytes(total)}`;
        console.info(appliedColor(row));
    }
}

async function build(inputOptions, warnings, silent = false) {
    const env_1 = { stack: [], error: void 0, hasError: false };
    try {
        const outputOptions = inputOptions.output;
        const useStdout = !outputOptions[0].file && !outputOptions[0].dir;
        const start = Date.now();
        const files = useStdout ? ['stdout'] : outputOptions.map(t => parseAst_js.relativeId(t.file || t.dir));
        if (!silent) {
            let inputFiles;
            if (typeof inputOptions.input === 'string') {
                inputFiles = inputOptions.input;
            }
            else if (Array.isArray(inputOptions.input)) {
                inputFiles = inputOptions.input.join(', ');
            }
            else if (typeof inputOptions.input === 'object' && inputOptions.input !== null) {
                inputFiles = Object.values(inputOptions.input).join(', ');
            }
            rollup.stderr(rollup.cyan(`\n${rollup.bold(inputFiles)} → ${rollup.bold(files.join(', '))}...`));
        }
        const bundle = __addDisposableResource(env_1, await rollup.rollup(inputOptions), true);
        if (useStdout) {
            const output = outputOptions[0];
            if (output.sourcemap && output.sourcemap !== 'inline') {
                rollup.handleError(parseAst_js.logOnlyInlineSourcemapsForStdout());
            }
            const { output: outputs } = await bundle.generate(output);
            for (const file of outputs) {
                if (outputs.length > 1)
                    process$1.stdout.write(`\n${rollup.cyan(rollup.bold(`//→ ${file.fileName}:`))}\n`);
                process$1.stdout.write(file.type === 'asset' ? file.source : file.code);
            }
            if (!silent) {
                warnings.flush();
            }
            return;
        }
        await Promise.all(outputOptions.map(bundle.write));
        if (!silent) {
            warnings.flush();
            rollup.stderr(rollup.green(`created ${rollup.bold(files.join(', '))} in ${rollup.bold(prettyMilliseconds(Date.now() - start))}`));
            if (bundle && bundle.getTimings) {
                printTimings(bundle.getTimings());
            }
        }
    }
    catch (e_1) {
        env_1.error = e_1;
        env_1.hasError = true;
    }
    finally {
        const result_1 = __disposeResources(env_1);
        if (result_1)
            await result_1;
    }
}

const DEFAULT_CONFIG_BASE = 'rollup.config';
async function getConfigPath(commandConfig) {
    if (commandConfig === true) {
        return path.resolve(await findConfigFileNameInCwd());
    }
    if (commandConfig.slice(0, 5) === 'node:') {
        const packageName = commandConfig.slice(5);
        try {
            return require.resolve(`rollup-config-${packageName}`, { paths: [process$1.cwd()] });
        }
        catch {
            try {
                return require.resolve(packageName, { paths: [process$1.cwd()] });
            }
            catch (error) {
                if (error.code === 'MODULE_NOT_FOUND') {
                    rollup.handleError(parseAst_js.logMissingExternalConfig(commandConfig));
                }
                throw error;
            }
        }
    }
    return path.resolve(commandConfig);
}
async function findConfigFileNameInCwd() {
    const filesInWorkingDirectory = new Set(await promises.readdir(process$1.cwd()));
    for (const extension of ['mjs', 'cjs', 'ts']) {
        const fileName = `${DEFAULT_CONFIG_BASE}.${extension}`;
        if (filesInWorkingDirectory.has(fileName))
            return fileName;
    }
    return `${DEFAULT_CONFIG_BASE}.js`;
}

async function loadConfigFromCommand(commandOptions, watchMode) {
    const warnings = loadConfigFile_js.batchWarnings(commandOptions);
    if (!commandOptions.input && (commandOptions.stdin || !process$1.stdin.isTTY)) {
        commandOptions.input = loadConfigFile_js.stdinName;
    }
    const options = await rollup.mergeOptions({ input: [] }, watchMode, commandOptions, warnings.log);
    await loadConfigFile_js.addCommandPluginsToInputOptions(options, commandOptions);
    return { options: [options], warnings };
}

async function runRollup(command) {
    let inputSource;
    if (command._.length > 0) {
        if (command.input) {
            rollup.handleError(parseAst_js.logDuplicateImportOptions());
        }
        inputSource = command._;
    }
    else if (typeof command.input === 'string') {
        inputSource = [command.input];
    }
    else {
        inputSource = command.input;
    }
    if (inputSource && inputSource.length > 0) {
        if (inputSource.some((input) => input.includes('='))) {
            command.input = {};
            for (const input of inputSource) {
                const equalsIndex = input.indexOf('=');
                const value = input.slice(Math.max(0, equalsIndex + 1));
                const key = input.slice(0, Math.max(0, equalsIndex)) || parseAst_js.getAliasName(input);
                command.input[key] = value;
            }
        }
        else {
            command.input = inputSource;
        }
    }
    if (command.environment) {
        const environment = Array.isArray(command.environment)
            ? command.environment
            : [command.environment];
        for (const argument of environment) {
            for (const pair of argument.split(',')) {
                const [key, ...value] = pair.split(':');
                process$1.env[key] = value.length === 0 ? String(true) : value.join(':');
            }
        }
    }
    if (rollup.isWatchEnabled(command.watch)) {
        await fseventsImporter.loadFsEvents();
        const { watch } = await Promise.resolve().then(() => require('../shared/watch-cli.js'));
        await watch(command);
    }
    else {
        try {
            const { options, warnings } = await getConfigs(command);
            try {
                for (const inputOptions of options) {
                    if (!inputOptions.cache) {
                        // We explicitly disable the cache when unused as the CLI will not
                        // use the cache object on the bundle when not in watch mode. This
                        // improves performance as the cache is not generated.
                        inputOptions.cache = false;
                    }
                    await build(inputOptions, warnings, command.silent);
                }
                if (command.failAfterWarnings && warnings.warningOccurred) {
                    warnings.flush();
                    rollup.handleError(parseAst_js.logFailAfterWarnings());
                }
            }
            catch (error) {
                warnings.flush();
                rollup.handleError(error);
            }
        }
        catch (error) {
            rollup.handleError(error);
        }
    }
}
async function getConfigs(command) {
    if (command.config) {
        const configFile = await getConfigPath(command.config);
        const { options, warnings } = await loadConfigFile_js.loadConfigFile(configFile, command, false);
        return { options, warnings };
    }
    return await loadConfigFromCommand(command, false);
}

const command = yargsParser(process$1.argv.slice(2), {
    alias: rollup.commandAliases,
    configuration: { 'camel-case-expansion': false }
});
if (command.help || (process$1.argv.length <= 2 && process$1.stdin.isTTY)) {
    console.log(`\n${help}\n`);
}
else if (command.version) {
    console.log(`rollup v${rollup.version}`);
}
else {
    try {
        // eslint-disable-next-line @typescript-eslint/no-require-imports
        require('source-map-support').install();
    }
    catch {
        // do nothing
    }
    const promise = runRollup(command);
    if (command.forceExit) {
        promise.then(() => process$1.exit());
    }
}

exports.getConfigPath = getConfigPath;
exports.loadConfigFromCommand = loadConfigFromCommand;
exports.prettyMilliseconds = prettyMilliseconds;
exports.printTimings = printTimings;
//# sourceMappingURL=rollup.map