v3 new release (#80)

node_modules/yargs/build/lib/usage.js

@@ -0,0 +1,540 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.usage = void 0;
+// this file handles outputting usage instructions,
+// failures, etc. keeps logging in one place.
+const common_types_1 = require("./common-types");
+const obj_filter_1 = require("./obj-filter");
+const path = require("path");
+const yerror_1 = require("./yerror");
+const decamelize = require("decamelize");
+const setBlocking = require("set-blocking");
+const stringWidth = require("string-width");
+function usage(yargs, y18n) {
+    const __ = y18n.__;
+    const self = {};
+    // methods for ouputting/building failure message.
+    const fails = [];
+    self.failFn = function failFn(f) {
+        fails.push(f);
+    };
+    let failMessage = null;
+    let showHelpOnFail = true;
+    self.showHelpOnFail = function showHelpOnFailFn(arg1 = true, arg2) {
+        function parseFunctionArgs() {
+            return typeof arg1 === 'string' ? [true, arg1] : [arg1, arg2];
+        }
+        const [enabled, message] = parseFunctionArgs();
+        failMessage = message;
+        showHelpOnFail = enabled;
+        return self;
+    };
+    let failureOutput = false;
+    self.fail = function fail(msg, err) {
+        const logger = yargs._getLoggerInstance();
+        if (fails.length) {
+            for (let i = fails.length - 1; i >= 0; --i) {
+                fails[i](msg, err, self);
+            }
+        }
+        else {
+            if (yargs.getExitProcess())
+                setBlocking(true);
+            // don't output failure message more than once
+            if (!failureOutput) {
+                failureOutput = true;
+                if (showHelpOnFail) {
+                    yargs.showHelp('error');
+                    logger.error();
+                }
+                if (msg || err)
+                    logger.error(msg || err);
+                if (failMessage) {
+                    if (msg || err)
+                        logger.error('');
+                    logger.error(failMessage);
+                }
+            }
+            err = err || new yerror_1.YError(msg);
+            if (yargs.getExitProcess()) {
+                return yargs.exit(1);
+            }
+            else if (yargs._hasParseCallback()) {
+                return yargs.exit(1, err);
+            }
+            else {
+                throw err;
+            }
+        }
+    };
+    // methods for ouputting/building help (usage) message.
+    let usages = [];
+    let usageDisabled = false;
+    self.usage = (msg, description) => {
+        if (msg === null) {
+            usageDisabled = true;
+            usages = [];
+            return self;
+        }
+        usageDisabled = false;
+        usages.push([msg, description || '']);
+        return self;
+    };
+    self.getUsage = () => {
+        return usages;
+    };
+    self.getUsageDisabled = () => {
+        return usageDisabled;
+    };
+    self.getPositionalGroupName = () => {
+        return __('Positionals:');
+    };
+    let examples = [];
+    self.example = (cmd, description) => {
+        examples.push([cmd, description || '']);
+    };
+    let commands = [];
+    self.command = function command(cmd, description, isDefault, aliases, deprecated = false) {
+        // the last default wins, so cancel out any previously set default
+        if (isDefault) {
+            commands = commands.map((cmdArray) => {
+                cmdArray[2] = false;
+                return cmdArray;
+            });
+        }
+        commands.push([cmd, description || '', isDefault, aliases, deprecated]);
+    };
+    self.getCommands = () => commands;
+    let descriptions = {};
+    self.describe = function describe(keyOrKeys, desc) {
+        if (Array.isArray(keyOrKeys)) {
+            keyOrKeys.forEach((k) => {
+                self.describe(k, desc);
+            });
+        }
+        else if (typeof keyOrKeys === 'object') {
+            Object.keys(keyOrKeys).forEach((k) => {
+                self.describe(k, keyOrKeys[k]);
+            });
+        }
+        else {
+            descriptions[keyOrKeys] = desc;
+        }
+    };
+    self.getDescriptions = () => descriptions;
+    let epilogs = [];
+    self.epilog = (msg) => {
+        epilogs.push(msg);
+    };
+    let wrapSet = false;
+    let wrap;
+    self.wrap = (cols) => {
+        wrapSet = true;
+        wrap = cols;
+    };
+    function getWrap() {
+        if (!wrapSet) {
+            wrap = windowWidth();
+            wrapSet = true;
+        }
+        return wrap;
+    }
+    const deferY18nLookupPrefix = '__yargsString__:';
+    self.deferY18nLookup = str => deferY18nLookupPrefix + str;
+    self.help = function help() {
+        if (cachedHelpMessage)
+            return cachedHelpMessage;
+        normalizeAliases();
+        // handle old demanded API
+        const base$0 = yargs.customScriptName ? yargs.$0 : path.basename(yargs.$0);
+        const demandedOptions = yargs.getDemandedOptions();
+        const demandedCommands = yargs.getDemandedCommands();
+        const deprecatedOptions = yargs.getDeprecatedOptions();
+        const groups = yargs.getGroups();
+        const options = yargs.getOptions();
+        let keys = [];
+        keys = keys.concat(Object.keys(descriptions));
+        keys = keys.concat(Object.keys(demandedOptions));
+        keys = keys.concat(Object.keys(demandedCommands));
+        keys = keys.concat(Object.keys(options.default));
+        keys = keys.filter(filterHiddenOptions);
+        keys = Object.keys(keys.reduce((acc, key) => {
+            if (key !== '_')
+                acc[key] = true;
+            return acc;
+        }, {}));
+        const theWrap = getWrap();
+        const ui = require('cliui')({
+            width: theWrap,
+            wrap: !!theWrap
+        });
+        // the usage string.
+        if (!usageDisabled) {
+            if (usages.length) {
+                // user-defined usage.
+                usages.forEach((usage) => {
+                    ui.div(`${usage[0].replace(/\$0/g, base$0)}`);
+                    if (usage[1]) {
+                        ui.div({ text: `${usage[1]}`, padding: [1, 0, 0, 0] });
+                    }
+                });
+                ui.div();
+            }
+            else if (commands.length) {
+                let u = null;
+                // demonstrate how commands are used.
+                if (demandedCommands._) {
+                    u = `${base$0} <${__('command')}>\n`;
+                }
+                else {
+                    u = `${base$0} [${__('command')}]\n`;
+                }
+                ui.div(`${u}`);
+            }
+        }
+        // your application's commands, i.e., non-option
+        // arguments populated in '_'.
+        if (commands.length) {
+            ui.div(__('Commands:'));
+            const context = yargs.getContext();
+            const parentCommands = context.commands.length ? `${context.commands.join(' ')} ` : '';
+            if (yargs.getParserConfiguration()['sort-commands'] === true) {
+                commands = commands.sort((a, b) => a[0].localeCompare(b[0]));
+            }
+            commands.forEach((command) => {
+                const commandString = `${base$0} ${parentCommands}${command[0].replace(/^\$0 ?/, '')}`; // drop $0 from default commands.
+                ui.span({
+                    text: commandString,
+                    padding: [0, 2, 0, 2],
+                    width: maxWidth(commands, theWrap, `${base$0}${parentCommands}`) + 4
+                }, { text: command[1] });
+                const hints = [];
+                if (command[2])
+                    hints.push(`[${__('default')}]`);
+                if (command[3] && command[3].length) {
+                    hints.push(`[${__('aliases:')} ${command[3].join(', ')}]`);
+                }
+                if (command[4]) {
+                    if (typeof command[4] === 'string') {
+                        hints.push(`[${__('deprecated: %s', command[4])}]`);
+                    }
+                    else {
+                        hints.push(`[${__('deprecated')}]`);
+                    }
+                }
+                if (hints.length) {
+                    ui.div({ text: hints.join(' '), padding: [0, 0, 0, 2], align: 'right' });
+                }
+                else {
+                    ui.div();
+                }
+            });
+            ui.div();
+        }
+        // perform some cleanup on the keys array, making it
+        // only include top-level keys not their aliases.
+        const aliasKeys = (Object.keys(options.alias) || [])
+            .concat(Object.keys(yargs.parsed.newAliases) || []);
+        keys = keys.filter(key => !yargs.parsed.newAliases[key] && aliasKeys.every(alias => (options.alias[alias] || []).indexOf(key) === -1));
+        // populate 'Options:' group with any keys that have not
+        // explicitly had a group set.
+        const defaultGroup = __('Options:');
+        if (!groups[defaultGroup])
+            groups[defaultGroup] = [];
+        addUngroupedKeys(keys, options.alias, groups, defaultGroup);
+        // display 'Options:' table along with any custom tables:
+        Object.keys(groups).forEach((groupName) => {
+            if (!groups[groupName].length)
+                return;
+            // if we've grouped the key 'f', but 'f' aliases 'foobar',
+            // normalizedKeys should contain only 'foobar'.
+            const normalizedKeys = groups[groupName].filter(filterHiddenOptions).map((key) => {
+                if (~aliasKeys.indexOf(key))
+                    return key;
+                for (let i = 0, aliasKey; (aliasKey = aliasKeys[i]) !== undefined; i++) {
+                    if (~(options.alias[aliasKey] || []).indexOf(key))
+                        return aliasKey;
+                }
+                return key;
+            });
+            if (normalizedKeys.length < 1)
+                return;
+            ui.div(groupName);
+            // actually generate the switches string --foo, -f, --bar.
+            const switches = normalizedKeys.reduce((acc, key) => {
+                acc[key] = [key].concat(options.alias[key] || [])
+                    .map(sw => {
+                    // for the special positional group don't
+                    // add '--' or '-' prefix.
+                    if (groupName === self.getPositionalGroupName())
+                        return sw;
+                    else {
+                        return (
+                        // matches yargs-parser logic in which single-digits
+                        // aliases declared with a boolean type are now valid
+                        /^[0-9]$/.test(sw)
+                            ? ~options.boolean.indexOf(key) ? '-' : '--'
+                            : sw.length > 1 ? '--' : '-') + sw;
+                    }
+                })
+                    .join(', ');
+                return acc;
+            }, {});
+            normalizedKeys.forEach((key) => {
+                const kswitch = switches[key];
+                let desc = descriptions[key] || '';
+                let type = null;
+                if (~desc.lastIndexOf(deferY18nLookupPrefix))
+                    desc = __(desc.substring(deferY18nLookupPrefix.length));
+                if (~options.boolean.indexOf(key))
+                    type = `[${__('boolean')}]`;
+                if (~options.count.indexOf(key))
+                    type = `[${__('count')}]`;
+                if (~options.string.indexOf(key))
+                    type = `[${__('string')}]`;
+                if (~options.normalize.indexOf(key))
+                    type = `[${__('string')}]`;
+                if (~options.array.indexOf(key))
+                    type = `[${__('array')}]`;
+                if (~options.number.indexOf(key))
+                    type = `[${__('number')}]`;
+                const deprecatedExtra = (deprecated) => typeof deprecated === 'string'
+                    ? `[${__('deprecated: %s', deprecated)}]`
+                    : `[${__('deprecated')}]`;
+                const extra = [
+                    (key in deprecatedOptions) ? deprecatedExtra(deprecatedOptions[key]) : null,
+                    type,
+                    (key in demandedOptions) ? `[${__('required')}]` : null,
+                    options.choices && options.choices[key] ? `[${__('choices:')} ${self.stringifiedValues(options.choices[key])}]` : null,
+                    defaultString(options.default[key], options.defaultDescription[key])
+                ].filter(Boolean).join(' ');
+                ui.span({ text: kswitch, padding: [0, 2, 0, 2], width: maxWidth(switches, theWrap) + 4 }, desc);
+                if (extra)
+                    ui.div({ text: extra, padding: [0, 0, 0, 2], align: 'right' });
+                else
+                    ui.div();
+            });
+            ui.div();
+        });
+        // describe some common use-cases for your application.
+        if (examples.length) {
+            ui.div(__('Examples:'));
+            examples.forEach((example) => {
+                example[0] = example[0].replace(/\$0/g, base$0);
+            });
+            examples.forEach((example) => {
+                if (example[1] === '') {
+                    ui.div({
+                        text: example[0],
+                        padding: [0, 2, 0, 2]
+                    });
+                }
+                else {
+                    ui.div({
+                        text: example[0],
+                        padding: [0, 2, 0, 2],
+                        width: maxWidth(examples, theWrap) + 4
+                    }, {
+                        text: example[1]
+                    });
+                }
+            });
+            ui.div();
+        }
+        // the usage string.
+        if (epilogs.length > 0) {
+            const e = epilogs.map(epilog => epilog.replace(/\$0/g, base$0)).join('\n');
+            ui.div(`${e}\n`);
+        }
+        // Remove the trailing white spaces
+        return ui.toString().replace(/\s*$/, '');
+    };
+    // return the maximum width of a string
+    // in the left-hand column of a table.
+    function maxWidth(table, theWrap, modifier) {
+        let width = 0;
+        // table might be of the form [leftColumn],
+        // or {key: leftColumn}
+        if (!Array.isArray(table)) {
+            table = Object.values(table).map(v => [v]);
+        }
+        table.forEach((v) => {
+            width = Math.max(stringWidth(modifier ? `${modifier} ${v[0]}` : v[0]), width);
+        });
+        // if we've enabled 'wrap' we should limit
+        // the max-width of the left-column.
+        if (theWrap)
+            width = Math.min(width, parseInt((theWrap * 0.5).toString(), 10));
+        return width;
+    }
+    // make sure any options set for aliases,
+    // are copied to the keys being aliased.
+    function normalizeAliases() {
+        // handle old demanded API
+        const demandedOptions = yargs.getDemandedOptions();
+        const options = yargs.getOptions();
+        (Object.keys(options.alias) || []).forEach((key) => {
+            options.alias[key].forEach((alias) => {
+                // copy descriptions.
+                if (descriptions[alias])
+                    self.describe(key, descriptions[alias]);
+                // copy demanded.
+                if (alias in demandedOptions)
+                    yargs.demandOption(key, demandedOptions[alias]);
+                // type messages.
+                if (~options.boolean.indexOf(alias))
+                    yargs.boolean(key);
+                if (~options.count.indexOf(alias))
+                    yargs.count(key);
+                if (~options.string.indexOf(alias))
+                    yargs.string(key);
+                if (~options.normalize.indexOf(alias))
+                    yargs.normalize(key);
+                if (~options.array.indexOf(alias))
+                    yargs.array(key);
+                if (~options.number.indexOf(alias))
+                    yargs.number(key);
+            });
+        });
+    }
+    // if yargs is executing an async handler, we take a snapshot of the
+    // help message to display on failure:
+    let cachedHelpMessage;
+    self.cacheHelpMessage = function () {
+        cachedHelpMessage = this.help();
+    };
+    // however this snapshot must be cleared afterwards
+    // not to be be used by next calls to parse
+    self.clearCachedHelpMessage = function () {
+        cachedHelpMessage = undefined;
+    };
+    // given a set of keys, place any keys that are
+    // ungrouped under the 'Options:' grouping.
+    function addUngroupedKeys(keys, aliases, groups, defaultGroup) {
+        let groupedKeys = [];
+        let toCheck = null;
+        Object.keys(groups).forEach((group) => {
+            groupedKeys = groupedKeys.concat(groups[group]);
+        });
+        keys.forEach((key) => {
+            toCheck = [key].concat(aliases[key]);
+            if (!toCheck.some(k => groupedKeys.indexOf(k) !== -1)) {
+                groups[defaultGroup].push(key);
+            }
+        });
+        return groupedKeys;
+    }
+    function filterHiddenOptions(key) {
+        return yargs.getOptions().hiddenOptions.indexOf(key) < 0 || yargs.parsed.argv[yargs.getOptions().showHiddenOpt];
+    }
+    self.showHelp = (level) => {
+        const logger = yargs._getLoggerInstance();
+        if (!level)
+            level = 'error';
+        const emit = typeof level === 'function' ? level : logger[level];
+        emit(self.help());
+    };
+    self.functionDescription = (fn) => {
+        const description = fn.name ? decamelize(fn.name, '-') : __('generated-value');
+        return ['(', description, ')'].join('');
+    };
+    self.stringifiedValues = function stringifiedValues(values, separator) {
+        let string = '';
+        const sep = separator || ', ';
+        const array = [].concat(values);
+        if (!values || !array.length)
+            return string;
+        array.forEach((value) => {
+            if (string.length)
+                string += sep;
+            string += JSON.stringify(value);
+        });
+        return string;
+    };
+    // format the default-value-string displayed in
+    // the right-hand column.
+    function defaultString(value, defaultDescription) {
+        let string = `[${__('default:')} `;
+        if (value === undefined && !defaultDescription)
+            return null;
+        if (defaultDescription) {
+            string += defaultDescription;
+        }
+        else {
+            switch (typeof value) {
+                case 'string':
+                    string += `"${value}"`;
+                    break;
+                case 'object':
+                    string += JSON.stringify(value);
+                    break;
+                default:
+                    string += value;
+            }
+        }
+        return `${string}]`;
+    }
+    // guess the width of the console window, max-width 80.
+    function windowWidth() {
+        const maxWidth = 80;
+        // CI is not a TTY
+        /* c8 ignore next 2 */
+        if (typeof process === 'object' && process.stdout && process.stdout.columns) {
+            return Math.min(maxWidth, process.stdout.columns);
+        }
+        else {
+            return maxWidth;
+        }
+    }
+    // logic for displaying application version.
+    let version = null;
+    self.version = (ver) => {
+        version = ver;
+    };
+    self.showVersion = () => {
+        const logger = yargs._getLoggerInstance();
+        logger.log(version);
+    };
+    self.reset = function reset(localLookup) {
+        // do not reset wrap here
+        // do not reset fails here
+        failMessage = null;
+        failureOutput = false;
+        usages = [];
+        usageDisabled = false;
+        epilogs = [];
+        examples = [];
+        commands = [];
+        descriptions = obj_filter_1.objFilter(descriptions, k => !localLookup[k]);
+        return self;
+    };
+    const frozens = [];
+    self.freeze = function freeze() {
+        frozens.push({
+            failMessage,
+            failureOutput,
+            usages,
+            usageDisabled,
+            epilogs,
+            examples,
+            commands,
+            descriptions
+        });
+    };
+    self.unfreeze = function unfreeze() {
+        const frozen = frozens.pop();
+        common_types_1.assertNotStrictEqual(frozen, undefined);
+        ({
+            failMessage,
+            failureOutput,
+            usages,
+            usageDisabled,
+            epilogs,
+            examples,
+            commands,
+            descriptions
+        } = frozen);
+    };
+    return self;
+}
+exports.usage = usage;