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v3 new release (#80)
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node_modules/yargs/build/lib/validation.js
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vendored
Normal file
330
node_modules/yargs/build/lib/validation.js
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.validation = void 0;
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const argsert_1 = require("./argsert");
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const common_types_1 = require("./common-types");
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const levenshtein_1 = require("./levenshtein");
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const obj_filter_1 = require("./obj-filter");
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const specialKeys = ['$0', '--', '_'];
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// validation-type-stuff, missing params,
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// bad implications, custom checks.
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function validation(yargs, usage, y18n) {
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const __ = y18n.__;
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const __n = y18n.__n;
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const self = {};
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// validate appropriate # of non-option
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// arguments were provided, i.e., '_'.
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self.nonOptionCount = function nonOptionCount(argv) {
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const demandedCommands = yargs.getDemandedCommands();
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// don't count currently executing commands
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const _s = argv._.length - yargs.getContext().commands.length;
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if (demandedCommands._ && (_s < demandedCommands._.min || _s > demandedCommands._.max)) {
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if (_s < demandedCommands._.min) {
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if (demandedCommands._.minMsg !== undefined) {
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usage.fail(
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// replace $0 with observed, $1 with expected.
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demandedCommands._.minMsg
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? demandedCommands._.minMsg.replace(/\$0/g, _s.toString()).replace(/\$1/, demandedCommands._.min.toString())
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: null);
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}
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else {
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usage.fail(__n('Not enough non-option arguments: got %s, need at least %s', 'Not enough non-option arguments: got %s, need at least %s', _s, _s, demandedCommands._.min));
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}
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}
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else if (_s > demandedCommands._.max) {
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if (demandedCommands._.maxMsg !== undefined) {
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usage.fail(
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// replace $0 with observed, $1 with expected.
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demandedCommands._.maxMsg
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? demandedCommands._.maxMsg.replace(/\$0/g, _s.toString()).replace(/\$1/, demandedCommands._.max.toString())
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: null);
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}
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else {
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usage.fail(__n('Too many non-option arguments: got %s, maximum of %s', 'Too many non-option arguments: got %s, maximum of %s', _s, _s, demandedCommands._.max));
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}
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}
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}
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};
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// validate the appropriate # of <required>
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// positional arguments were provided:
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self.positionalCount = function positionalCount(required, observed) {
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if (observed < required) {
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usage.fail(__n('Not enough non-option arguments: got %s, need at least %s', 'Not enough non-option arguments: got %s, need at least %s', observed, observed, required));
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}
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};
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// make sure all the required arguments are present.
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self.requiredArguments = function requiredArguments(argv) {
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const demandedOptions = yargs.getDemandedOptions();
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let missing = null;
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for (const key of Object.keys(demandedOptions)) {
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if (!Object.prototype.hasOwnProperty.call(argv, key) || typeof argv[key] === 'undefined') {
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missing = missing || {};
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missing[key] = demandedOptions[key];
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}
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}
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if (missing) {
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const customMsgs = [];
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for (const key of Object.keys(missing)) {
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const msg = missing[key];
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if (msg && customMsgs.indexOf(msg) < 0) {
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customMsgs.push(msg);
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}
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}
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const customMsg = customMsgs.length ? `\n${customMsgs.join('\n')}` : '';
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usage.fail(__n('Missing required argument: %s', 'Missing required arguments: %s', Object.keys(missing).length, Object.keys(missing).join(', ') + customMsg));
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}
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};
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// check for unknown arguments (strict-mode).
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self.unknownArguments = function unknownArguments(argv, aliases, positionalMap, isDefaultCommand) {
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const commandKeys = yargs.getCommandInstance().getCommands();
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const unknown = [];
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const currentContext = yargs.getContext();
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Object.keys(argv).forEach((key) => {
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if (specialKeys.indexOf(key) === -1 &&
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!Object.prototype.hasOwnProperty.call(positionalMap, key) &&
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!Object.prototype.hasOwnProperty.call(yargs._getParseContext(), key) &&
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!self.isValidAndSomeAliasIsNotNew(key, aliases)) {
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unknown.push(key);
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}
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});
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if ((currentContext.commands.length > 0) || (commandKeys.length > 0) || isDefaultCommand) {
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argv._.slice(currentContext.commands.length).forEach((key) => {
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if (commandKeys.indexOf(key) === -1) {
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unknown.push(key);
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}
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});
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}
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if (unknown.length > 0) {
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usage.fail(__n('Unknown argument: %s', 'Unknown arguments: %s', unknown.length, unknown.join(', ')));
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}
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};
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self.unknownCommands = function unknownCommands(argv) {
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const commandKeys = yargs.getCommandInstance().getCommands();
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const unknown = [];
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const currentContext = yargs.getContext();
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if ((currentContext.commands.length > 0) || (commandKeys.length > 0)) {
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argv._.slice(currentContext.commands.length).forEach((key) => {
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if (commandKeys.indexOf(key) === -1) {
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unknown.push(key);
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}
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});
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}
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if (unknown.length > 0) {
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usage.fail(__n('Unknown command: %s', 'Unknown commands: %s', unknown.length, unknown.join(', ')));
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return true;
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}
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else {
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return false;
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}
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};
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// check for a key that is not an alias, or for which every alias is new,
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// implying that it was invented by the parser, e.g., during camelization
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self.isValidAndSomeAliasIsNotNew = function isValidAndSomeAliasIsNotNew(key, aliases) {
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if (!Object.prototype.hasOwnProperty.call(aliases, key)) {
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return false;
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}
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const newAliases = yargs.parsed.newAliases;
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for (const a of [key, ...aliases[key]]) {
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if (!Object.prototype.hasOwnProperty.call(newAliases, a) || !newAliases[key]) {
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return true;
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}
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}
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return false;
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};
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// validate arguments limited to enumerated choices
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self.limitedChoices = function limitedChoices(argv) {
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const options = yargs.getOptions();
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const invalid = {};
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if (!Object.keys(options.choices).length)
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return;
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Object.keys(argv).forEach((key) => {
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if (specialKeys.indexOf(key) === -1 &&
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Object.prototype.hasOwnProperty.call(options.choices, key)) {
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[].concat(argv[key]).forEach((value) => {
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// TODO case-insensitive configurability
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if (options.choices[key].indexOf(value) === -1 &&
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value !== undefined) {
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invalid[key] = (invalid[key] || []).concat(value);
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}
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});
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}
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});
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const invalidKeys = Object.keys(invalid);
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if (!invalidKeys.length)
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return;
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let msg = __('Invalid values:');
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invalidKeys.forEach((key) => {
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msg += `\n ${__('Argument: %s, Given: %s, Choices: %s', key, usage.stringifiedValues(invalid[key]), usage.stringifiedValues(options.choices[key]))}`;
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});
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usage.fail(msg);
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};
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// custom checks, added using the `check` option on yargs.
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let checks = [];
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self.check = function check(f, global) {
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checks.push({
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func: f,
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global
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});
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};
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self.customChecks = function customChecks(argv, aliases) {
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for (let i = 0, f; (f = checks[i]) !== undefined; i++) {
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const func = f.func;
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let result = null;
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try {
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result = func(argv, aliases);
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}
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catch (err) {
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usage.fail(err.message ? err.message : err, err);
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continue;
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}
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if (!result) {
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usage.fail(__('Argument check failed: %s', func.toString()));
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}
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else if (typeof result === 'string' || result instanceof Error) {
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usage.fail(result.toString(), result);
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}
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}
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};
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// check implications, argument foo implies => argument bar.
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let implied = {};
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self.implies = function implies(key, value) {
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argsert_1.argsert('<string|object> [array|number|string]', [key, value], arguments.length);
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if (typeof key === 'object') {
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Object.keys(key).forEach((k) => {
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self.implies(k, key[k]);
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});
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}
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else {
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yargs.global(key);
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if (!implied[key]) {
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implied[key] = [];
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}
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if (Array.isArray(value)) {
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value.forEach((i) => self.implies(key, i));
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}
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else {
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common_types_1.assertNotStrictEqual(value, undefined);
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implied[key].push(value);
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}
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}
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};
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self.getImplied = function getImplied() {
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return implied;
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};
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function keyExists(argv, val) {
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// convert string '1' to number 1
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const num = Number(val);
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val = isNaN(num) ? val : num;
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if (typeof val === 'number') {
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// check length of argv._
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val = argv._.length >= val;
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}
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else if (val.match(/^--no-.+/)) {
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// check if key/value doesn't exist
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val = val.match(/^--no-(.+)/)[1];
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val = !argv[val];
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}
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else {
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// check if key/value exists
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val = argv[val];
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}
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return val;
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}
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self.implications = function implications(argv) {
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const implyFail = [];
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Object.keys(implied).forEach((key) => {
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const origKey = key;
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(implied[key] || []).forEach((value) => {
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let key = origKey;
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const origValue = value;
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key = keyExists(argv, key);
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value = keyExists(argv, value);
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if (key && !value) {
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implyFail.push(` ${origKey} -> ${origValue}`);
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}
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});
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});
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if (implyFail.length) {
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let msg = `${__('Implications failed:')}\n`;
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implyFail.forEach((value) => {
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msg += (value);
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});
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usage.fail(msg);
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}
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};
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let conflicting = {};
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self.conflicts = function conflicts(key, value) {
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argsert_1.argsert('<string|object> [array|string]', [key, value], arguments.length);
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if (typeof key === 'object') {
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Object.keys(key).forEach((k) => {
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self.conflicts(k, key[k]);
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});
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}
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else {
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yargs.global(key);
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if (!conflicting[key]) {
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conflicting[key] = [];
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}
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if (Array.isArray(value)) {
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value.forEach((i) => self.conflicts(key, i));
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}
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else {
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conflicting[key].push(value);
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}
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}
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};
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self.getConflicting = () => conflicting;
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self.conflicting = function conflictingFn(argv) {
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Object.keys(argv).forEach((key) => {
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if (conflicting[key]) {
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conflicting[key].forEach((value) => {
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// we default keys to 'undefined' that have been configured, we should not
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// apply conflicting check unless they are a value other than 'undefined'.
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if (value && argv[key] !== undefined && argv[value] !== undefined) {
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usage.fail(__('Arguments %s and %s are mutually exclusive', key, value));
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}
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});
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}
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});
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};
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self.recommendCommands = function recommendCommands(cmd, potentialCommands) {
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const threshold = 3; // if it takes more than three edits, let's move on.
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potentialCommands = potentialCommands.sort((a, b) => b.length - a.length);
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let recommended = null;
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let bestDistance = Infinity;
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for (let i = 0, candidate; (candidate = potentialCommands[i]) !== undefined; i++) {
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const d = levenshtein_1.levenshtein(cmd, candidate);
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if (d <= threshold && d < bestDistance) {
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bestDistance = d;
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recommended = candidate;
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}
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}
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if (recommended)
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usage.fail(__('Did you mean %s?', recommended));
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};
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self.reset = function reset(localLookup) {
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implied = obj_filter_1.objFilter(implied, k => !localLookup[k]);
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conflicting = obj_filter_1.objFilter(conflicting, k => !localLookup[k]);
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checks = checks.filter(c => c.global);
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return self;
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};
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const frozens = [];
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self.freeze = function freeze() {
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frozens.push({
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implied,
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checks,
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conflicting
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});
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};
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self.unfreeze = function unfreeze() {
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const frozen = frozens.pop();
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common_types_1.assertNotStrictEqual(frozen, undefined);
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({
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implied,
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checks,
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conflicting
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} = frozen);
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};
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return self;
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}
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exports.validation = validation;
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