Deprecation

5 files changed, 0 insertions, 1222 deletions

diff --git a/node_modules/yargs-parser/build/lib/index.js b/node_modules/yargs-parser/build/lib/index.js
deleted file mode 100644
index 7c5d3fd..0000000
--- a/node_modules/yargs-parser/build/lib/index.js
+++ /dev/null
@@ -1,60 +0,0 @@
-/**
- * @fileoverview Main entrypoint for libraries using yargs-parser in Node.js
- * CJS and ESM environments.
- *
- * @license
- * Copyright (c) 2016, Contributors
- * SPDX-License-Identifier: ISC
- */
-import { format } from 'util';
-import { normalize, resolve } from 'path';
-import { camelCase, decamelize, looksLikeNumber } from './string-utils.js';
-import { YargsParser } from './yargs-parser.js';
-import { readFileSync } from 'fs';
-// 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;
-if (process && process.version) {
-    const major = Number(process.version.match(/v([^.]+)/)[1]);
-    if (major < minNodeVersion) {
-        throw Error(`yargs parser supports a minimum Node.js version of ${minNodeVersion}. Read our version support policy: https://github.com/yargs/yargs-parser#supported-nodejs-versions`);
-    }
-}
-// Creates a yargs-parser instance using Node.js standard libraries:
-const env = process ? process.env : {};
-const parser = new YargsParser({
-    cwd: process.cwd,
-    env: () => {
-        return env;
-    },
-    format,
-    normalize,
-    resolve,
-    // TODO: figure  out a  way to combine ESM and CJS coverage, such  that
-    // we can exercise all the lines below:
-    require: (path) => {
-        if (typeof require !== 'undefined') {
-            return require(path);
-        }
-        else if (path.match(/\.json$/)) {
-            // Addresses: https://github.com/yargs/yargs/issues/2040
-            return JSON.parse(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;
-export default yargsParser;
diff --git a/node_modules/yargs-parser/build/lib/string-utils.js b/node_modules/yargs-parser/build/lib/string-utils.js
deleted file mode 100644
index 4e8bd99..0000000
--- a/node_modules/yargs-parser/build/lib/string-utils.js
+++ /dev/null
@@ -1,65 +0,0 @@
-/**
- * @license
- * Copyright (c) 2016, Contributors
- * SPDX-License-Identifier: ISC
- */
-export function camelCase(str) {
-    // Handle the case where an argument is provided as camel case, e.g., fooBar.
-    // by ensuring that the string isn't already mixed case:
-    const isCamelCase = str !== str.toLowerCase() && str !== str.toUpperCase();
-    if (!isCamelCase) {
-        str = str.toLowerCase();
-    }
-    if (str.indexOf('-') === -1 && str.indexOf('_') === -1) {
-        return str;
-    }
-    else {
-        let camelcase = '';
-        let nextChrUpper = false;
-        const leadingHyphens = str.match(/^-+/);
-        for (let i = leadingHyphens ? leadingHyphens[0].length : 0; i < str.length; i++) {
-            let chr = str.charAt(i);
-            if (nextChrUpper) {
-                nextChrUpper = false;
-                chr = chr.toUpperCase();
-            }
-            if (i !== 0 && (chr === '-' || chr === '_')) {
-                nextChrUpper = true;
-            }
-            else if (chr !== '-' && chr !== '_') {
-                camelcase += chr;
-            }
-        }
-        return camelcase;
-    }
-}
-export function decamelize(str, joinString) {
-    const lowercase = str.toLowerCase();
-    joinString = joinString || '-';
-    let notCamelcase = '';
-    for (let i = 0; i < str.length; i++) {
-        const chrLower = lowercase.charAt(i);
-        const chrString = str.charAt(i);
-        if (chrLower !== chrString && i > 0) {
-            notCamelcase += `${joinString}${lowercase.charAt(i)}`;
-        }
-        else {
-            notCamelcase += chrString;
-        }
-    }
-    return notCamelcase;
-}
-export function looksLikeNumber(x) {
-    if (x === null || x === undefined)
-        return false;
-    // if loaded from config, may already be a number.
-    if (typeof x === 'number')
-        return true;
-    // hexadecimal.
-    if (/^0x[0-9a-f]+$/i.test(x))
-        return true;
-    // don't treat 0123 as a number; as it drops the leading '0'.
-    if (/^0[^.]/.test(x))
-        return false;
-    return /^[-]?(?:\d+(?:\.\d*)?|\.\d+)(e[-+]?\d+)?$/.test(x);
-}
diff --git a/node_modules/yargs-parser/build/lib/tokenize-arg-string.js b/node_modules/yargs-parser/build/lib/tokenize-arg-string.js
deleted file mode 100644
index 5e732ef..0000000
--- a/node_modules/yargs-parser/build/lib/tokenize-arg-string.js
+++ /dev/null
@@ -1,40 +0,0 @@
-/**
- * @license
- * Copyright (c) 2016, Contributors
- * SPDX-License-Identifier: ISC
- */
-// take an un-split argv string and tokenize it.
-export function tokenizeArgString(argString) {
-    if (Array.isArray(argString)) {
-        return argString.map(e => typeof e !== 'string' ? e + '' : e);
-    }
-    argString = argString.trim();
-    let i = 0;
-    let prevC = null;
-    let c = null;
-    let opening = null;
-    const args = [];
-    for (let ii = 0; ii < argString.length; ii++) {
-        prevC = c;
-        c = argString.charAt(ii);
-        // split on spaces unless we're in quotes.
-        if (c === ' ' && !opening) {
-            if (!(prevC === ' ')) {
-                i++;
-            }
-            continue;
-        }
-        // don't split the string if we're in matching
-        // opening or closing single and double quotes.
-        if (c === opening) {
-            opening = null;
-        }
-        else if ((c === "'" || c === '"') && !opening) {
-            opening = c;
-        }
-        if (!args[i])
-            args[i] = '';
-        args[i] += c;
-    }
-    return args;
-}
diff --git a/node_modules/yargs-parser/build/lib/yargs-parser-types.js b/node_modules/yargs-parser/build/lib/yargs-parser-types.js
deleted file mode 100644
index 63b7c31..0000000
--- a/node_modules/yargs-parser/build/lib/yargs-parser-types.js
+++ /dev/null
@@ -1,12 +0,0 @@
-/**
- * @license
- * Copyright (c) 2016, Contributors
- * SPDX-License-Identifier: ISC
- */
-export var DefaultValuesForTypeKey;
-(function (DefaultValuesForTypeKey) {
-    DefaultValuesForTypeKey["BOOLEAN"] = "boolean";
-    DefaultValuesForTypeKey["STRING"] = "string";
-    DefaultValuesForTypeKey["NUMBER"] = "number";
-    DefaultValuesForTypeKey["ARRAY"] = "array";
-})(DefaultValuesForTypeKey || (DefaultValuesForTypeKey = {}));
diff --git a/node_modules/yargs-parser/build/lib/yargs-parser.js b/node_modules/yargs-parser/build/lib/yargs-parser.js
deleted file mode 100644
index 90e3746..0000000
--- a/node_modules/yargs-parser/build/lib/yargs-parser.js
+++ /dev/null
@@ -1,1045 +0,0 @@
-/**
- * @license
- * Copyright (c) 2016, Contributors
- * SPDX-License-Identifier: ISC
- */
-import { tokenizeArgString } from './tokenize-arg-string.js';
-import { DefaultValuesForTypeKey } from './yargs-parser-types.js';
-import { camelCase, decamelize, looksLikeNumber } from './string-utils.js';
-let mixin;
-export class YargsParser {
-    constructor(_mixin) {
-        mixin = _mixin;
-    }
-    parse(argsInput, options) {
-        const opts = Object.assign({
-            alias: undefined,
-            array: undefined,
-            boolean: undefined,
-            config: undefined,
-            configObjects: undefined,
-            configuration: undefined,
-            coerce: undefined,
-            count: undefined,
-            default: undefined,
-            envPrefix: undefined,
-            narg: undefined,
-            normalize: undefined,
-            string: undefined,
-            number: undefined,
-            __: undefined,
-            key: undefined
-        }, options);
-        // allow a string argument to be passed in rather
-        // than an argv array.
-        const args = tokenizeArgString(argsInput);
-        // tokenizeArgString adds extra quotes to args if argsInput is a string
-        // only strip those extra quotes in processValue if argsInput is a string
-        const inputIsString = typeof argsInput === 'string';
-        // aliases might have transitive relationships, normalize this.
-        const aliases = combineAliases(Object.assign(Object.create(null), opts.alias));
-        const configuration = Object.assign({
-            'boolean-negation': true,
-            'camel-case-expansion': true,
-            'combine-arrays': false,
-            'dot-notation': true,
-            'duplicate-arguments-array': true,
-            'flatten-duplicate-arrays': true,
-            'greedy-arrays': true,
-            'halt-at-non-option': false,
-            'nargs-eats-options': false,
-            'negation-prefix': 'no-',
-            'parse-numbers': true,
-            'parse-positional-numbers': true,
-            'populate--': false,
-            'set-placeholder-key': false,
-            'short-option-groups': true,
-            'strip-aliased': false,
-            'strip-dashed': false,
-            'unknown-options-as-args': false
-        }, opts.configuration);
-        const defaults = Object.assign(Object.create(null), opts.default);
-        const configObjects = opts.configObjects || [];
-        const envPrefix = opts.envPrefix;
-        const notFlagsOption = configuration['populate--'];
-        const notFlagsArgv = notFlagsOption ? '--' : '_';
-        const newAliases = Object.create(null);
-        const defaulted = Object.create(null);
-        // allow a i18n handler to be passed in, default to a fake one (util.format).
-        const __ = opts.__ || mixin.format;
-        const flags = {
-            aliases: Object.create(null),
-            arrays: Object.create(null),
-            bools: Object.create(null),
-            strings: Object.create(null),
-            numbers: Object.create(null),
-            counts: Object.create(null),
-            normalize: Object.create(null),
-            configs: Object.create(null),
-            nargs: Object.create(null),
-            coercions: Object.create(null),
-            keys: []
-        };
-        const negative = /^-([0-9]+(\.[0-9]+)?|\.[0-9]+)$/;
-        const negatedBoolean = new RegExp('^--' + configuration['negation-prefix'] + '(.+)');
-        [].concat(opts.array || []).filter(Boolean).forEach(function (opt) {
-            const key = typeof opt === 'object' ? opt.key : opt;
-            // assign to flags[bools|strings|numbers]
-            const assignment = Object.keys(opt).map(function (key) {
-                const arrayFlagKeys = {
-                    boolean: 'bools',
-                    string: 'strings',
-                    number: 'numbers'
-                };
-                return arrayFlagKeys[key];
-            }).filter(Boolean).pop();
-            // assign key to be coerced
-            if (assignment) {
-                flags[assignment][key] = true;
-            }
-            flags.arrays[key] = true;
-            flags.keys.push(key);
-        });
-        [].concat(opts.boolean || []).filter(Boolean).forEach(function (key) {
-            flags.bools[key] = true;
-            flags.keys.push(key);
-        });
-        [].concat(opts.string || []).filter(Boolean).forEach(function (key) {
-            flags.strings[key] = true;
-            flags.keys.push(key);
-        });
-        [].concat(opts.number || []).filter(Boolean).forEach(function (key) {
-            flags.numbers[key] = true;
-            flags.keys.push(key);
-        });
-        [].concat(opts.count || []).filter(Boolean).forEach(function (key) {
-            flags.counts[key] = true;
-            flags.keys.push(key);
-        });
-        [].concat(opts.normalize || []).filter(Boolean).forEach(function (key) {
-            flags.normalize[key] = true;
-            flags.keys.push(key);
-        });
-        if (typeof opts.narg === 'object') {
-            Object.entries(opts.narg).forEach(([key, value]) => {
-                if (typeof value === 'number') {
-                    flags.nargs[key] = value;
-                    flags.keys.push(key);
-                }
-            });
-        }
-        if (typeof opts.coerce === 'object') {
-            Object.entries(opts.coerce).forEach(([key, value]) => {
-                if (typeof value === 'function') {
-                    flags.coercions[key] = value;
-                    flags.keys.push(key);
-                }
-            });
-        }
-        if (typeof opts.config !== 'undefined') {
-            if (Array.isArray(opts.config) || typeof opts.config === 'string') {
-                ;
-                [].concat(opts.config).filter(Boolean).forEach(function (key) {
-                    flags.configs[key] = true;
-                });
-            }
-            else if (typeof opts.config === 'object') {
-                Object.entries(opts.config).forEach(([key, value]) => {
-                    if (typeof value === 'boolean' || typeof value === 'function') {
-                        flags.configs[key] = value;
-                    }
-                });
-            }
-        }
-        // create a lookup table that takes into account all
-        // combinations of aliases: {f: ['foo'], foo: ['f']}
-        extendAliases(opts.key, aliases, opts.default, flags.arrays);
-        // apply default values to all aliases.
-        Object.keys(defaults).forEach(function (key) {
-            (flags.aliases[key] || []).forEach(function (alias) {
-                defaults[alias] = defaults[key];
-            });
-        });
-        let error = null;
-        checkConfiguration();
-        let notFlags = [];
-        const argv = Object.assign(Object.create(null), { _: [] });
-        // TODO(bcoe): for the first pass at removing object prototype  we didn't
-        // remove all prototypes from objects returned by this API, we might want
-        // to gradually move towards doing so.
-        const argvReturn = {};
-        for (let i = 0; i < args.length; i++) {
-            const arg = args[i];
-            const truncatedArg = arg.replace(/^-{3,}/, '---');
-            let broken;
-            let key;
-            let letters;
-            let m;
-            let next;
-            let value;
-            // any unknown option (except for end-of-options, "--")
-            if (arg !== '--' && isUnknownOptionAsArg(arg)) {
-                pushPositional(arg);
-                // ---, ---=, ----, etc,
-            }
-            else if (truncatedArg.match(/---+(=|$)/)) {
-                // options without key name are invalid.
-                pushPositional(arg);
-                continue;
-                // -- separated by =
-            }
-            else if (arg.match(/^--.+=/) || (!configuration['short-option-groups'] && arg.match(/^-.+=/))) {
-                // Using [\s\S] instead of . because js doesn't support the
-                // 'dotall' regex modifier. See:
-                // http://stackoverflow.com/a/1068308/13216
-                m = arg.match(/^--?([^=]+)=([\s\S]*)$/);
-                // arrays format = '--f=a b c'
-                if (m !== null && Array.isArray(m) && m.length >= 3) {
-                    if (checkAllAliases(m[1], flags.arrays)) {
-                        i = eatArray(i, m[1], args, m[2]);
-                    }
-                    else if (checkAllAliases(m[1], flags.nargs) !== false) {
-                        // nargs format = '--f=monkey washing cat'
-                        i = eatNargs(i, m[1], args, m[2]);
-                    }
-                    else {
-                        setArg(m[1], m[2], true);
-                    }
-                }
-            }
-            else if (arg.match(negatedBoolean) && configuration['boolean-negation']) {
-                m = arg.match(negatedBoolean);
-                if (m !== null && Array.isArray(m) && m.length >= 2) {
-                    key = m[1];
-                    setArg(key, checkAllAliases(key, flags.arrays) ? [false] : false);
-                }
-                // -- separated by space.
-            }
-            else if (arg.match(/^--.+/) || (!configuration['short-option-groups'] && arg.match(/^-[^-]+/))) {
-                m = arg.match(/^--?(.+)/);
-                if (m !== null && Array.isArray(m) && m.length >= 2) {
-                    key = m[1];
-                    if (checkAllAliases(key, flags.arrays)) {
-                        // array format = '--foo a b c'
-                        i = eatArray(i, key, args);
-                    }
-                    else if (checkAllAliases(key, flags.nargs) !== false) {
-                        // nargs format = '--foo a b c'
-                        // should be truthy even if: flags.nargs[key] === 0
-                        i = eatNargs(i, key, args);
-                    }
-                    else {
-                        next = args[i + 1];
-                        if (next !== undefined && (!next.match(/^-/) ||
-                            next.match(negative)) &&
-                            !checkAllAliases(key, flags.bools) &&
-                            !checkAllAliases(key, flags.counts)) {
-                            setArg(key, next);
-                            i++;
-                        }
-                        else if (/^(true|false)$/.test(next)) {
-                            setArg(key, next);
-                            i++;
-                        }
-                        else {
-                            setArg(key, defaultValue(key));
-                        }
-                    }
-                }
-                // dot-notation flag separated by '='.
-            }
-            else if (arg.match(/^-.\..+=/)) {
-                m = arg.match(/^-([^=]+)=([\s\S]*)$/);
-                if (m !== null && Array.isArray(m) && m.length >= 3) {
-                    setArg(m[1], m[2]);
-                }
-                // dot-notation flag separated by space.
-            }
-            else if (arg.match(/^-.\..+/) && !arg.match(negative)) {
-                next = args[i + 1];
-                m = arg.match(/^-(.\..+)/);
-                if (m !== null && Array.isArray(m) && m.length >= 2) {
-                    key = m[1];
-                    if (next !== undefined && !next.match(/^-/) &&
-                        !checkAllAliases(key, flags.bools) &&
-                        !checkAllAliases(key, flags.counts)) {
-                        setArg(key, next);
-                        i++;
-                    }
-                    else {
-                        setArg(key, defaultValue(key));
-                    }
-                }
-            }
-            else if (arg.match(/^-[^-]+/) && !arg.match(negative)) {
-                letters = arg.slice(1, -1).split('');
-                broken = false;
-                for (let j = 0; j < letters.length; j++) {
-                    next = arg.slice(j + 2);
-                    if (letters[j + 1] && letters[j + 1] === '=') {
-                        value = arg.slice(j + 3);
-                        key = letters[j];
-                        if (checkAllAliases(key, flags.arrays)) {
-                            // array format = '-f=a b c'
-                            i = eatArray(i, key, args, value);
-                        }
-                        else if (checkAllAliases(key, flags.nargs) !== false) {
-                            // nargs format = '-f=monkey washing cat'
-                            i = eatNargs(i, key, args, value);
-                        }
-                        else {
-                            setArg(key, value);
-                        }
-                        broken = true;
-                        break;
-                    }
-                    if (next === '-') {
-                        setArg(letters[j], next);
-                        continue;
-                    }
-                    // current letter is an alphabetic character and next value is a number
-                    if (/[A-Za-z]/.test(letters[j]) &&
-                        /^-?\d+(\.\d*)?(e-?\d+)?$/.test(next) &&
-                        checkAllAliases(next, flags.bools) === false) {
-                        setArg(letters[j], next);
-                        broken = true;
-                        break;
-                    }
-                    if (letters[j + 1] && letters[j + 1].match(/\W/)) {
-                        setArg(letters[j], next);
-                        broken = true;
-                        break;
-                    }
-                    else {
-                        setArg(letters[j], defaultValue(letters[j]));
-                    }
-                }
-                key = arg.slice(-1)[0];
-                if (!broken && key !== '-') {
-                    if (checkAllAliases(key, flags.arrays)) {
-                        // array format = '-f a b c'
-                        i = eatArray(i, key, args);
-                    }
-                    else if (checkAllAliases(key, flags.nargs) !== false) {
-                        // nargs format = '-f a b c'
-                        // should be truthy even if: flags.nargs[key] === 0
-                        i = eatNargs(i, key, args);
-                    }
-                    else {
-                        next = args[i + 1];
-                        if (next !== undefined && (!/^(-|--)[^-]/.test(next) ||
-                            next.match(negative)) &&
-                            !checkAllAliases(key, flags.bools) &&
-                            !checkAllAliases(key, flags.counts)) {
-                            setArg(key, next);
-                            i++;
-                        }
-                        else if (/^(true|false)$/.test(next)) {
-                            setArg(key, next);
-                            i++;
-                        }
-                        else {
-                            setArg(key, defaultValue(key));
-                        }
-                    }
-                }
-            }
-            else if (arg.match(/^-[0-9]$/) &&
-                arg.match(negative) &&
-                checkAllAliases(arg.slice(1), flags.bools)) {
-                // single-digit boolean alias, e.g: xargs -0
-                key = arg.slice(1);
-                setArg(key, defaultValue(key));
-            }
-            else if (arg === '--') {
-                notFlags = args.slice(i + 1);
-                break;
-            }
-            else if (configuration['halt-at-non-option']) {
-                notFlags = args.slice(i);
-                break;
-            }
-            else {
-                pushPositional(arg);
-            }
-        }
-        // order of precedence:
-        // 1. command line arg
-        // 2. value from env var
-        // 3. value from config file
-        // 4. value from config objects
-        // 5. configured default value
-        applyEnvVars(argv, true); // special case: check env vars that point to config file
-        applyEnvVars(argv, false);
-        setConfig(argv);
-        setConfigObjects();
-        applyDefaultsAndAliases(argv, flags.aliases, defaults, true);
-        applyCoercions(argv);
-        if (configuration['set-placeholder-key'])
-            setPlaceholderKeys(argv);
-        // for any counts either not in args or without an explicit default, set to 0
-        Object.keys(flags.counts).forEach(function (key) {
-            if (!hasKey(argv, key.split('.')))
-                setArg(key, 0);
-        });
-        // '--' defaults to undefined.
-        if (notFlagsOption && notFlags.length)
-            argv[notFlagsArgv] = [];
-        notFlags.forEach(function (key) {
-            argv[notFlagsArgv].push(key);
-        });
-        if (configuration['camel-case-expansion'] && configuration['strip-dashed']) {
-            Object.keys(argv).filter(key => key !== '--' && key.includes('-')).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;
-}