1191 lines
48 KiB
JavaScript
1191 lines
48 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.isYargsInstance = exports.rebase = exports.Yargs = void 0;
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const command_1 = require("./command");
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const common_types_1 = require("./common-types");
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const yerror_1 = require("./yerror");
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const usage_1 = require("./usage");
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const argsert_1 = require("./argsert");
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const fs = require("fs");
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const completion_1 = require("./completion");
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const path = require("path");
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const validation_1 = require("./validation");
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const obj_filter_1 = require("./obj-filter");
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const apply_extends_1 = require("./apply-extends");
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const middleware_1 = require("./middleware");
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const processArgv = require("./process-argv");
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const is_promise_1 = require("./is-promise");
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const Parser = require("yargs-parser");
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const y18nFactory = require("y18n");
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const setBlocking = require("set-blocking");
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const findUp = require("find-up");
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const requireMainFilename = require("require-main-filename");
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function Yargs(processArgs = [], cwd = process.cwd(), parentRequire = require) {
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const self = {};
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let command;
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let completion = null;
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let groups = {};
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const globalMiddleware = [];
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let output = '';
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const preservedGroups = {};
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let usage;
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let validation;
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let handlerFinishCommand = null;
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const y18n = y18nFactory({
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directory: path.resolve(__dirname, '../../locales'),
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updateFiles: false
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});
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self.middleware = middleware_1.globalMiddlewareFactory(globalMiddleware, self);
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self.scriptName = function (scriptName) {
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self.customScriptName = true;
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self.$0 = scriptName;
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return self;
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};
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// ignore the node bin, specify this in your
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// bin file with #!/usr/bin/env node
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let default$0;
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if (/\b(node|iojs|electron)(\.exe)?$/.test(process.argv[0])) {
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default$0 = process.argv.slice(1, 2);
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}
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else {
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default$0 = process.argv.slice(0, 1);
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}
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self.$0 = default$0
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.map(x => {
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const b = rebase(cwd, x);
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return x.match(/^(\/|([a-zA-Z]:)?\\)/) && b.length < x.length ? b : x;
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})
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.join(' ').trim();
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if (process.env._ !== undefined && processArgv.getProcessArgvBin() === process.env._) {
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self.$0 = process.env._.replace(`${path.dirname(process.execPath)}/`, '');
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}
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// use context object to keep track of resets, subcommand execution, etc
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// submodules should modify and check the state of context as necessary
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const context = { resets: -1, commands: [], fullCommands: [], files: [] };
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self.getContext = () => context;
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// puts yargs back into an initial state. any keys
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// that have been set to "global" will not be reset
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// by this action.
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let options;
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self.resetOptions = self.reset = function resetOptions(aliases = {}) {
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context.resets++;
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options = options || {};
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// put yargs back into an initial state, this
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// logic is used to build a nested command
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// hierarchy.
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const tmpOptions = {};
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tmpOptions.local = options.local ? options.local : [];
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tmpOptions.configObjects = options.configObjects ? options.configObjects : [];
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// if a key has been explicitly set as local,
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// we should reset it before passing options to command.
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const localLookup = {};
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tmpOptions.local.forEach((l) => {
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localLookup[l] = true;
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(aliases[l] || []).forEach((a) => {
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localLookup[a] = true;
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});
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});
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// add all groups not set to local to preserved groups
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Object.assign(preservedGroups, Object.keys(groups).reduce((acc, groupName) => {
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const keys = groups[groupName].filter(key => !(key in localLookup));
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if (keys.length > 0) {
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acc[groupName] = keys;
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}
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return acc;
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}, {}));
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// groups can now be reset
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groups = {};
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const arrayOptions = [
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'array', 'boolean', 'string', 'skipValidation',
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'count', 'normalize', 'number',
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'hiddenOptions'
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];
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const objectOptions = [
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'narg', 'key', 'alias', 'default', 'defaultDescription',
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'config', 'choices', 'demandedOptions', 'demandedCommands', 'coerce',
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'deprecatedOptions'
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];
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arrayOptions.forEach(k => {
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tmpOptions[k] = (options[k] || []).filter(k => !localLookup[k]);
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});
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objectOptions.forEach((k) => {
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tmpOptions[k] = obj_filter_1.objFilter(options[k], k => !localLookup[k]);
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});
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tmpOptions.envPrefix = options.envPrefix;
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options = tmpOptions;
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// if this is the first time being executed, create
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// instances of all our helpers -- otherwise just reset.
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usage = usage ? usage.reset(localLookup) : usage_1.usage(self, y18n);
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validation = validation ? validation.reset(localLookup) : validation_1.validation(self, usage, y18n);
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command = command ? command.reset() : command_1.command(self, usage, validation, globalMiddleware);
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if (!completion)
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completion = completion_1.completion(self, usage, command);
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completionCommand = null;
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output = '';
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exitError = null;
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hasOutput = false;
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self.parsed = false;
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return self;
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};
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self.resetOptions();
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// temporary hack: allow "freezing" of reset-able state for parse(msg, cb)
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const frozens = [];
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function freeze() {
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frozens.push({
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options,
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configObjects: options.configObjects.slice(0),
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exitProcess,
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groups,
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strict,
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strictCommands,
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completionCommand,
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output,
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exitError,
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hasOutput,
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parsed: self.parsed,
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parseFn,
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parseContext,
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handlerFinishCommand
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});
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usage.freeze();
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validation.freeze();
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command.freeze();
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}
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function unfreeze() {
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const frozen = frozens.pop();
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common_types_1.assertNotStrictEqual(frozen, undefined);
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let configObjects;
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({
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options,
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configObjects,
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exitProcess,
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groups,
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output,
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exitError,
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hasOutput,
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parsed: self.parsed,
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strict,
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strictCommands,
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completionCommand,
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parseFn,
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parseContext,
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handlerFinishCommand
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} = frozen);
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options.configObjects = configObjects;
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usage.unfreeze();
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validation.unfreeze();
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command.unfreeze();
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}
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self.boolean = function (keys) {
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argsert_1.argsert('<array|string>', [keys], arguments.length);
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populateParserHintArray('boolean', keys);
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return self;
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};
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self.array = function (keys) {
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argsert_1.argsert('<array|string>', [keys], arguments.length);
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populateParserHintArray('array', keys);
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return self;
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};
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self.number = function (keys) {
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argsert_1.argsert('<array|string>', [keys], arguments.length);
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populateParserHintArray('number', keys);
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return self;
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};
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self.normalize = function (keys) {
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argsert_1.argsert('<array|string>', [keys], arguments.length);
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populateParserHintArray('normalize', keys);
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return self;
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};
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self.count = function (keys) {
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argsert_1.argsert('<array|string>', [keys], arguments.length);
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populateParserHintArray('count', keys);
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return self;
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};
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self.string = function (keys) {
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argsert_1.argsert('<array|string>', [keys], arguments.length);
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populateParserHintArray('string', keys);
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return self;
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};
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self.requiresArg = function (keys) {
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// the 2nd paramter [number] in the argsert the assertion is mandatory
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// as populateParserHintSingleValueDictionary recursively calls requiresArg
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// with Nan as a 2nd parameter, although we ignore it
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argsert_1.argsert('<array|string|object> [number]', [keys], arguments.length);
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// If someone configures nargs at the same time as requiresArg,
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// nargs should take precedent,
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// see: https://github.com/yargs/yargs/pull/1572
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// TODO: make this work with aliases, using a check similar to
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// checkAllAliases() in yargs-parser.
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if (typeof keys === 'string' && options.narg[keys]) {
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return self;
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}
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else {
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populateParserHintSingleValueDictionary(self.requiresArg, 'narg', keys, NaN);
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}
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return self;
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};
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self.skipValidation = function (keys) {
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argsert_1.argsert('<array|string>', [keys], arguments.length);
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populateParserHintArray('skipValidation', keys);
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return self;
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};
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function populateParserHintArray(type, keys) {
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keys = [].concat(keys);
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keys.forEach((key) => {
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key = sanitizeKey(key);
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options[type].push(key);
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});
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}
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self.nargs = function (key, value) {
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argsert_1.argsert('<string|object|array> [number]', [key, value], arguments.length);
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populateParserHintSingleValueDictionary(self.nargs, 'narg', key, value);
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return self;
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};
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self.choices = function (key, value) {
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argsert_1.argsert('<object|string|array> [string|array]', [key, value], arguments.length);
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populateParserHintArrayDictionary(self.choices, 'choices', key, value);
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return self;
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};
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self.alias = function (key, value) {
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argsert_1.argsert('<object|string|array> [string|array]', [key, value], arguments.length);
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populateParserHintArrayDictionary(self.alias, 'alias', key, value);
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return self;
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};
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// TODO: actually deprecate self.defaults.
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self.default = self.defaults = function (key, value, defaultDescription) {
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argsert_1.argsert('<object|string|array> [*] [string]', [key, value, defaultDescription], arguments.length);
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if (defaultDescription) {
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common_types_1.assertSingleKey(key);
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options.defaultDescription[key] = defaultDescription;
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}
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if (typeof value === 'function') {
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common_types_1.assertSingleKey(key);
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if (!options.defaultDescription[key])
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options.defaultDescription[key] = usage.functionDescription(value);
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value = value.call();
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}
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populateParserHintSingleValueDictionary(self.default, 'default', key, value);
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return self;
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};
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self.describe = function (key, desc) {
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argsert_1.argsert('<object|string|array> [string]', [key, desc], arguments.length);
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setKey(key, true);
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usage.describe(key, desc);
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return self;
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};
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function setKey(key, set) {
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populateParserHintSingleValueDictionary(setKey, 'key', key, set);
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return self;
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}
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function demandOption(keys, msg) {
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argsert_1.argsert('<object|string|array> [string]', [keys, msg], arguments.length);
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populateParserHintSingleValueDictionary(self.demandOption, 'demandedOptions', keys, msg);
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return self;
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}
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self.demandOption = demandOption;
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self.coerce = function (keys, value) {
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argsert_1.argsert('<object|string|array> [function]', [keys, value], arguments.length);
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populateParserHintSingleValueDictionary(self.coerce, 'coerce', keys, value);
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return self;
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};
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function populateParserHintSingleValueDictionary(builder, type, key, value) {
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populateParserHintDictionary(builder, type, key, value, (type, key, value) => {
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options[type][key] = value;
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});
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}
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function populateParserHintArrayDictionary(builder, type, key, value) {
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populateParserHintDictionary(builder, type, key, value, (type, key, value) => {
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options[type][key] = (options[type][key] || []).concat(value);
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});
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}
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function populateParserHintDictionary(builder, type, key, value, singleKeyHandler) {
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if (Array.isArray(key)) {
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// an array of keys with one value ['x', 'y', 'z'], function parse () {}
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key.forEach((k) => {
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builder(k, value);
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});
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}
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else if (((key) => typeof key === 'object')(key)) {
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// an object of key value pairs: {'x': parse () {}, 'y': parse() {}}
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for (const k of common_types_1.objectKeys(key)) {
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builder(k, key[k]);
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}
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}
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else {
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singleKeyHandler(type, sanitizeKey(key), value);
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}
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}
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function sanitizeKey(key) {
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if (key === '__proto__')
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return '___proto___';
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return key;
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}
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function deleteFromParserHintObject(optionKey) {
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// delete from all parsing hints:
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// boolean, array, key, alias, etc.
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common_types_1.objectKeys(options).forEach((hintKey) => {
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// configObjects is not a parsing hint array
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if (((key) => key === 'configObjects')(hintKey))
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return;
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const hint = options[hintKey];
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if (Array.isArray(hint)) {
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if (~hint.indexOf(optionKey))
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hint.splice(hint.indexOf(optionKey), 1);
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}
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else if (typeof hint === 'object') {
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delete hint[optionKey];
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}
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});
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// now delete the description from usage.js.
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delete usage.getDescriptions()[optionKey];
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}
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self.config = function config(key = 'config', msg, parseFn) {
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argsert_1.argsert('[object|string] [string|function] [function]', [key, msg, parseFn], arguments.length);
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// allow a config object to be provided directly.
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if ((typeof key === 'object') && !Array.isArray(key)) {
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key = apply_extends_1.applyExtends(key, cwd, self.getParserConfiguration()['deep-merge-config']);
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options.configObjects = (options.configObjects || []).concat(key);
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return self;
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}
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// allow for a custom parsing function.
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if (typeof msg === 'function') {
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parseFn = msg;
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msg = undefined;
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}
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self.describe(key, msg || usage.deferY18nLookup('Path to JSON config file'));
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(Array.isArray(key) ? key : [key]).forEach((k) => {
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options.config[k] = parseFn || true;
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});
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return self;
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};
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self.example = function (cmd, description) {
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argsert_1.argsert('<string|array> [string]', [cmd, description], arguments.length);
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if (Array.isArray(cmd)) {
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cmd.forEach((exampleParams) => self.example(...exampleParams));
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}
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else {
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usage.example(cmd, description);
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}
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return self;
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};
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self.command = function (cmd, description, builder, handler, middlewares, deprecated) {
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argsert_1.argsert('<string|array|object> [string|boolean] [function|object] [function] [array] [boolean|string]', [cmd, description, builder, handler, middlewares, deprecated], arguments.length);
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command.addHandler(cmd, description, builder, handler, middlewares, deprecated);
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return self;
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};
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self.commandDir = function (dir, opts) {
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argsert_1.argsert('<string> [object]', [dir, opts], arguments.length);
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const req = parentRequire || require;
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command.addDirectory(dir, self.getContext(), req, require('get-caller-file')(), opts);
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return self;
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};
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// TODO: deprecate self.demand in favor of
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// .demandCommand() .demandOption().
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self.demand = self.required = self.require = function demand(keys, max, msg) {
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// you can optionally provide a 'max' key,
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// which will raise an exception if too many '_'
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// options are provided.
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if (Array.isArray(max)) {
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max.forEach((key) => {
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common_types_1.assertNotStrictEqual(msg, true);
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demandOption(key, msg);
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});
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max = Infinity;
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}
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else if (typeof max !== 'number') {
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msg = max;
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max = Infinity;
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}
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if (typeof keys === 'number') {
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common_types_1.assertNotStrictEqual(msg, true);
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self.demandCommand(keys, max, msg, msg);
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}
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else if (Array.isArray(keys)) {
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keys.forEach((key) => {
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common_types_1.assertNotStrictEqual(msg, true);
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demandOption(key, msg);
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});
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}
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else {
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if (typeof msg === 'string') {
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demandOption(keys, msg);
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}
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else if (msg === true || typeof msg === 'undefined') {
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demandOption(keys);
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}
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}
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return self;
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};
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self.demandCommand = function demandCommand(min = 1, max, minMsg, maxMsg) {
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argsert_1.argsert('[number] [number|string] [string|null|undefined] [string|null|undefined]', [min, max, minMsg, maxMsg], arguments.length);
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if (typeof max !== 'number') {
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minMsg = max;
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max = Infinity;
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}
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self.global('_', false);
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options.demandedCommands._ = {
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min,
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max,
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minMsg,
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maxMsg
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};
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return self;
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};
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self.getDemandedOptions = () => {
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argsert_1.argsert([], 0);
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return options.demandedOptions;
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};
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self.getDemandedCommands = () => {
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argsert_1.argsert([], 0);
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|
return options.demandedCommands;
|
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};
|
|
self.deprecateOption = function deprecateOption(option, message) {
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argsert_1.argsert('<string> [string|boolean]', [option, message], arguments.length);
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options.deprecatedOptions[option] = message;
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|
return self;
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};
|
|
self.getDeprecatedOptions = () => {
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argsert_1.argsert([], 0);
|
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return options.deprecatedOptions;
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};
|
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self.implies = function (key, value) {
|
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argsert_1.argsert('<string|object> [number|string|array]', [key, value], arguments.length);
|
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validation.implies(key, value);
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return self;
|
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};
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self.conflicts = function (key1, key2) {
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argsert_1.argsert('<string|object> [string|array]', [key1, key2], arguments.length);
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validation.conflicts(key1, key2);
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return self;
|
|
};
|
|
self.usage = function (msg, description, builder, handler) {
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argsert_1.argsert('<string|null|undefined> [string|boolean] [function|object] [function]', [msg, description, builder, handler], arguments.length);
|
|
if (description !== undefined) {
|
|
common_types_1.assertNotStrictEqual(msg, null);
|
|
// .usage() can be used as an alias for defining
|
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// a default command.
|
|
if ((msg || '').match(/^\$0( |$)/)) {
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return self.command(msg, description, builder, handler);
|
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}
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else {
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throw new yerror_1.YError('.usage() description must start with $0 if being used as alias for .command()');
|
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}
|
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}
|
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else {
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usage.usage(msg);
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return self;
|
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}
|
|
};
|
|
self.epilogue = self.epilog = function (msg) {
|
|
argsert_1.argsert('<string>', [msg], arguments.length);
|
|
usage.epilog(msg);
|
|
return self;
|
|
};
|
|
self.fail = function (f) {
|
|
argsert_1.argsert('<function>', [f], arguments.length);
|
|
usage.failFn(f);
|
|
return self;
|
|
};
|
|
self.onFinishCommand = function (f) {
|
|
argsert_1.argsert('<function>', [f], arguments.length);
|
|
handlerFinishCommand = f;
|
|
return self;
|
|
};
|
|
self.getHandlerFinishCommand = () => handlerFinishCommand;
|
|
self.check = function (f, _global) {
|
|
argsert_1.argsert('<function> [boolean]', [f, _global], arguments.length);
|
|
validation.check(f, _global !== false);
|
|
return self;
|
|
};
|
|
self.global = function global(globals, global) {
|
|
argsert_1.argsert('<string|array> [boolean]', [globals, global], arguments.length);
|
|
globals = [].concat(globals);
|
|
if (global !== false) {
|
|
options.local = options.local.filter(l => globals.indexOf(l) === -1);
|
|
}
|
|
else {
|
|
globals.forEach((g) => {
|
|
if (options.local.indexOf(g) === -1)
|
|
options.local.push(g);
|
|
});
|
|
}
|
|
return self;
|
|
};
|
|
self.pkgConf = function pkgConf(key, rootPath) {
|
|
argsert_1.argsert('<string> [string]', [key, rootPath], arguments.length);
|
|
let conf = null;
|
|
// prefer cwd to require-main-filename in this method
|
|
// since we're looking for e.g. "nyc" config in nyc consumer
|
|
// rather than "yargs" config in nyc (where nyc is the main filename)
|
|
const obj = pkgUp(rootPath || cwd);
|
|
// If an object exists in the key, add it to options.configObjects
|
|
if (obj[key] && typeof obj[key] === 'object') {
|
|
conf = apply_extends_1.applyExtends(obj[key], rootPath || cwd, self.getParserConfiguration()['deep-merge-config']);
|
|
options.configObjects = (options.configObjects || []).concat(conf);
|
|
}
|
|
return self;
|
|
};
|
|
const pkgs = {};
|
|
function pkgUp(rootPath) {
|
|
const npath = rootPath || '*';
|
|
if (pkgs[npath])
|
|
return pkgs[npath];
|
|
let obj = {};
|
|
try {
|
|
let startDir = rootPath || requireMainFilename(parentRequire);
|
|
// When called in an environment that lacks require.main.filename, such as a jest test runner,
|
|
// startDir is already process.cwd(), and should not be shortened.
|
|
// Whether or not it is _actually_ a directory (e.g., extensionless bin) is irrelevant, find-up handles it.
|
|
if (!rootPath && path.extname(startDir)) {
|
|
startDir = path.dirname(startDir);
|
|
}
|
|
const pkgJsonPath = findUp.sync('package.json', {
|
|
cwd: startDir
|
|
});
|
|
common_types_1.assertNotStrictEqual(pkgJsonPath, undefined);
|
|
obj = JSON.parse(fs.readFileSync(pkgJsonPath).toString());
|
|
}
|
|
catch (noop) { }
|
|
pkgs[npath] = obj || {};
|
|
return pkgs[npath];
|
|
}
|
|
let parseFn = null;
|
|
let parseContext = null;
|
|
self.parse = function parse(args, shortCircuit, _parseFn) {
|
|
argsert_1.argsert('[string|array] [function|boolean|object] [function]', [args, shortCircuit, _parseFn], arguments.length);
|
|
freeze();
|
|
if (typeof args === 'undefined') {
|
|
const argv = self._parseArgs(processArgs);
|
|
const tmpParsed = self.parsed;
|
|
unfreeze();
|
|
// TODO: remove this compatibility hack when we release yargs@15.x:
|
|
self.parsed = tmpParsed;
|
|
return argv;
|
|
}
|
|
// a context object can optionally be provided, this allows
|
|
// additional information to be passed to a command handler.
|
|
if (typeof shortCircuit === 'object') {
|
|
parseContext = shortCircuit;
|
|
shortCircuit = _parseFn;
|
|
}
|
|
// by providing a function as a second argument to
|
|
// parse you can capture output that would otherwise
|
|
// default to printing to stdout/stderr.
|
|
if (typeof shortCircuit === 'function') {
|
|
parseFn = shortCircuit;
|
|
shortCircuit = false;
|
|
}
|
|
// completion short-circuits the parsing process,
|
|
// skipping validation, etc.
|
|
if (!shortCircuit)
|
|
processArgs = args;
|
|
if (parseFn)
|
|
exitProcess = false;
|
|
const parsed = self._parseArgs(args, !!shortCircuit);
|
|
completion.setParsed(self.parsed);
|
|
if (parseFn)
|
|
parseFn(exitError, parsed, output);
|
|
unfreeze();
|
|
return parsed;
|
|
};
|
|
self._getParseContext = () => parseContext || {};
|
|
self._hasParseCallback = () => !!parseFn;
|
|
self.option = self.options = function option(key, opt) {
|
|
argsert_1.argsert('<string|object> [object]', [key, opt], arguments.length);
|
|
if (typeof key === 'object') {
|
|
Object.keys(key).forEach((k) => {
|
|
self.options(k, key[k]);
|
|
});
|
|
}
|
|
else {
|
|
if (typeof opt !== 'object') {
|
|
opt = {};
|
|
}
|
|
options.key[key] = true; // track manually set keys.
|
|
if (opt.alias)
|
|
self.alias(key, opt.alias);
|
|
const deprecate = opt.deprecate || opt.deprecated;
|
|
if (deprecate) {
|
|
self.deprecateOption(key, deprecate);
|
|
}
|
|
const demand = opt.demand || opt.required || opt.require;
|
|
// A required option can be specified via "demand: true".
|
|
if (demand) {
|
|
self.demand(key, demand);
|
|
}
|
|
if (opt.demandOption) {
|
|
self.demandOption(key, typeof opt.demandOption === 'string' ? opt.demandOption : undefined);
|
|
}
|
|
if (opt.conflicts) {
|
|
self.conflicts(key, opt.conflicts);
|
|
}
|
|
if ('default' in opt) {
|
|
self.default(key, opt.default);
|
|
}
|
|
if (opt.implies !== undefined) {
|
|
self.implies(key, opt.implies);
|
|
}
|
|
if (opt.nargs !== undefined) {
|
|
self.nargs(key, opt.nargs);
|
|
}
|
|
if (opt.config) {
|
|
self.config(key, opt.configParser);
|
|
}
|
|
if (opt.normalize) {
|
|
self.normalize(key);
|
|
}
|
|
if (opt.choices) {
|
|
self.choices(key, opt.choices);
|
|
}
|
|
if (opt.coerce) {
|
|
self.coerce(key, opt.coerce);
|
|
}
|
|
if (opt.group) {
|
|
self.group(key, opt.group);
|
|
}
|
|
if (opt.boolean || opt.type === 'boolean') {
|
|
self.boolean(key);
|
|
if (opt.alias)
|
|
self.boolean(opt.alias);
|
|
}
|
|
if (opt.array || opt.type === 'array') {
|
|
self.array(key);
|
|
if (opt.alias)
|
|
self.array(opt.alias);
|
|
}
|
|
if (opt.number || opt.type === 'number') {
|
|
self.number(key);
|
|
if (opt.alias)
|
|
self.number(opt.alias);
|
|
}
|
|
if (opt.string || opt.type === 'string') {
|
|
self.string(key);
|
|
if (opt.alias)
|
|
self.string(opt.alias);
|
|
}
|
|
if (opt.count || opt.type === 'count') {
|
|
self.count(key);
|
|
}
|
|
if (typeof opt.global === 'boolean') {
|
|
self.global(key, opt.global);
|
|
}
|
|
if (opt.defaultDescription) {
|
|
options.defaultDescription[key] = opt.defaultDescription;
|
|
}
|
|
if (opt.skipValidation) {
|
|
self.skipValidation(key);
|
|
}
|
|
const desc = opt.describe || opt.description || opt.desc;
|
|
self.describe(key, desc);
|
|
if (opt.hidden) {
|
|
self.hide(key);
|
|
}
|
|
if (opt.requiresArg) {
|
|
self.requiresArg(key);
|
|
}
|
|
}
|
|
return self;
|
|
};
|
|
self.getOptions = () => options;
|
|
self.positional = function (key, opts) {
|
|
argsert_1.argsert('<string> <object>', [key, opts], arguments.length);
|
|
if (context.resets === 0) {
|
|
throw new yerror_1.YError(".positional() can only be called in a command's builder function");
|
|
}
|
|
// .positional() only supports a subset of the configuration
|
|
// options available to .option().
|
|
const supportedOpts = ['default', 'defaultDescription', 'implies', 'normalize',
|
|
'choices', 'conflicts', 'coerce', 'type', 'describe',
|
|
'desc', 'description', 'alias'];
|
|
opts = obj_filter_1.objFilter(opts, (k, v) => {
|
|
let accept = supportedOpts.indexOf(k) !== -1;
|
|
// type can be one of string|number|boolean.
|
|
if (k === 'type' && ['string', 'number', 'boolean'].indexOf(v) === -1)
|
|
accept = false;
|
|
return accept;
|
|
});
|
|
// copy over any settings that can be inferred from the command string.
|
|
const fullCommand = context.fullCommands[context.fullCommands.length - 1];
|
|
const parseOptions = fullCommand ? command.cmdToParseOptions(fullCommand) : {
|
|
array: [],
|
|
alias: {},
|
|
default: {},
|
|
demand: {}
|
|
};
|
|
common_types_1.objectKeys(parseOptions).forEach((pk) => {
|
|
const parseOption = parseOptions[pk];
|
|
if (Array.isArray(parseOption)) {
|
|
if (parseOption.indexOf(key) !== -1)
|
|
opts[pk] = true;
|
|
}
|
|
else {
|
|
if (parseOption[key] && !(pk in opts))
|
|
opts[pk] = parseOption[key];
|
|
}
|
|
});
|
|
self.group(key, usage.getPositionalGroupName());
|
|
return self.option(key, opts);
|
|
};
|
|
self.group = function group(opts, groupName) {
|
|
argsert_1.argsert('<string|array> <string>', [opts, groupName], arguments.length);
|
|
const existing = preservedGroups[groupName] || groups[groupName];
|
|
if (preservedGroups[groupName]) {
|
|
// we now only need to track this group name in groups.
|
|
delete preservedGroups[groupName];
|
|
}
|
|
const seen = {};
|
|
groups[groupName] = (existing || []).concat(opts).filter((key) => {
|
|
if (seen[key])
|
|
return false;
|
|
return (seen[key] = true);
|
|
});
|
|
return self;
|
|
};
|
|
// combine explicit and preserved groups. explicit groups should be first
|
|
self.getGroups = () => Object.assign({}, groups, preservedGroups);
|
|
// as long as options.envPrefix is not undefined,
|
|
// parser will apply env vars matching prefix to argv
|
|
self.env = function (prefix) {
|
|
argsert_1.argsert('[string|boolean]', [prefix], arguments.length);
|
|
if (prefix === false)
|
|
delete options.envPrefix;
|
|
else
|
|
options.envPrefix = prefix || '';
|
|
return self;
|
|
};
|
|
self.wrap = function (cols) {
|
|
argsert_1.argsert('<number|null|undefined>', [cols], arguments.length);
|
|
usage.wrap(cols);
|
|
return self;
|
|
};
|
|
let strict = false;
|
|
self.strict = function (enabled) {
|
|
argsert_1.argsert('[boolean]', [enabled], arguments.length);
|
|
strict = enabled !== false;
|
|
return self;
|
|
};
|
|
self.getStrict = () => strict;
|
|
let strictCommands = false;
|
|
self.strictCommands = function (enabled) {
|
|
argsert_1.argsert('[boolean]', [enabled], arguments.length);
|
|
strictCommands = enabled !== false;
|
|
return self;
|
|
};
|
|
self.getStrictCommands = () => strictCommands;
|
|
let parserConfig = {};
|
|
self.parserConfiguration = function parserConfiguration(config) {
|
|
argsert_1.argsert('<object>', [config], arguments.length);
|
|
parserConfig = config;
|
|
return self;
|
|
};
|
|
self.getParserConfiguration = () => parserConfig;
|
|
self.showHelp = function (level) {
|
|
argsert_1.argsert('[string|function]', [level], arguments.length);
|
|
if (!self.parsed)
|
|
self._parseArgs(processArgs); // run parser, if it has not already been executed.
|
|
if (command.hasDefaultCommand()) {
|
|
context.resets++; // override the restriction on top-level positoinals.
|
|
command.runDefaultBuilderOn(self);
|
|
}
|
|
usage.showHelp(level);
|
|
return self;
|
|
};
|
|
let versionOpt = null;
|
|
self.version = function version(opt, msg, ver) {
|
|
const defaultVersionOpt = 'version';
|
|
argsert_1.argsert('[boolean|string] [string] [string]', [opt, msg, ver], arguments.length);
|
|
// nuke the key previously configured
|
|
// to return version #.
|
|
if (versionOpt) {
|
|
deleteFromParserHintObject(versionOpt);
|
|
usage.version(undefined);
|
|
versionOpt = null;
|
|
}
|
|
if (arguments.length === 0) {
|
|
ver = guessVersion();
|
|
opt = defaultVersionOpt;
|
|
}
|
|
else if (arguments.length === 1) {
|
|
if (opt === false) { // disable default 'version' key.
|
|
return self;
|
|
}
|
|
ver = opt;
|
|
opt = defaultVersionOpt;
|
|
}
|
|
else if (arguments.length === 2) {
|
|
ver = msg;
|
|
msg = undefined;
|
|
}
|
|
versionOpt = typeof opt === 'string' ? opt : defaultVersionOpt;
|
|
msg = msg || usage.deferY18nLookup('Show version number');
|
|
usage.version(ver || undefined);
|
|
self.boolean(versionOpt);
|
|
self.describe(versionOpt, msg);
|
|
return self;
|
|
};
|
|
function guessVersion() {
|
|
const obj = pkgUp();
|
|
return obj.version || 'unknown';
|
|
}
|
|
let helpOpt = null;
|
|
self.addHelpOpt = self.help = function addHelpOpt(opt, msg) {
|
|
const defaultHelpOpt = 'help';
|
|
argsert_1.argsert('[string|boolean] [string]', [opt, msg], arguments.length);
|
|
// nuke the key previously configured
|
|
// to return help.
|
|
if (helpOpt) {
|
|
deleteFromParserHintObject(helpOpt);
|
|
helpOpt = null;
|
|
}
|
|
if (arguments.length === 1) {
|
|
if (opt === false)
|
|
return self;
|
|
}
|
|
// use arguments, fallback to defaults for opt and msg
|
|
helpOpt = typeof opt === 'string' ? opt : defaultHelpOpt;
|
|
self.boolean(helpOpt);
|
|
self.describe(helpOpt, msg || usage.deferY18nLookup('Show help'));
|
|
return self;
|
|
};
|
|
const defaultShowHiddenOpt = 'show-hidden';
|
|
options.showHiddenOpt = defaultShowHiddenOpt;
|
|
self.addShowHiddenOpt = self.showHidden = function addShowHiddenOpt(opt, msg) {
|
|
argsert_1.argsert('[string|boolean] [string]', [opt, msg], arguments.length);
|
|
if (arguments.length === 1) {
|
|
if (opt === false)
|
|
return self;
|
|
}
|
|
const showHiddenOpt = typeof opt === 'string' ? opt : defaultShowHiddenOpt;
|
|
self.boolean(showHiddenOpt);
|
|
self.describe(showHiddenOpt, msg || usage.deferY18nLookup('Show hidden options'));
|
|
options.showHiddenOpt = showHiddenOpt;
|
|
return self;
|
|
};
|
|
self.hide = function hide(key) {
|
|
argsert_1.argsert('<string>', [key], arguments.length);
|
|
options.hiddenOptions.push(key);
|
|
return self;
|
|
};
|
|
self.showHelpOnFail = function showHelpOnFail(enabled, message) {
|
|
argsert_1.argsert('[boolean|string] [string]', [enabled, message], arguments.length);
|
|
usage.showHelpOnFail(enabled, message);
|
|
return self;
|
|
};
|
|
var exitProcess = true;
|
|
self.exitProcess = function (enabled = true) {
|
|
argsert_1.argsert('[boolean]', [enabled], arguments.length);
|
|
exitProcess = enabled;
|
|
return self;
|
|
};
|
|
self.getExitProcess = () => exitProcess;
|
|
var completionCommand = null;
|
|
self.completion = function (cmd, desc, fn) {
|
|
argsert_1.argsert('[string] [string|boolean|function] [function]', [cmd, desc, fn], arguments.length);
|
|
// a function to execute when generating
|
|
// completions can be provided as the second
|
|
// or third argument to completion.
|
|
if (typeof desc === 'function') {
|
|
fn = desc;
|
|
desc = undefined;
|
|
}
|
|
// register the completion command.
|
|
completionCommand = cmd || completionCommand || 'completion';
|
|
if (!desc && desc !== false) {
|
|
desc = 'generate completion script';
|
|
}
|
|
self.command(completionCommand, desc);
|
|
// a function can be provided
|
|
if (fn)
|
|
completion.registerFunction(fn);
|
|
return self;
|
|
};
|
|
self.showCompletionScript = function ($0, cmd) {
|
|
argsert_1.argsert('[string] [string]', [$0, cmd], arguments.length);
|
|
$0 = $0 || self.$0;
|
|
_logger.log(completion.generateCompletionScript($0, cmd || completionCommand || 'completion'));
|
|
return self;
|
|
};
|
|
self.getCompletion = function (args, done) {
|
|
argsert_1.argsert('<array> <function>', [args, done], arguments.length);
|
|
completion.getCompletion(args, done);
|
|
};
|
|
self.locale = function (locale) {
|
|
argsert_1.argsert('[string]', [locale], arguments.length);
|
|
if (!locale) {
|
|
guessLocale();
|
|
return y18n.getLocale();
|
|
}
|
|
detectLocale = false;
|
|
y18n.setLocale(locale);
|
|
return self;
|
|
};
|
|
self.updateStrings = self.updateLocale = function (obj) {
|
|
argsert_1.argsert('<object>', [obj], arguments.length);
|
|
detectLocale = false;
|
|
y18n.updateLocale(obj);
|
|
return self;
|
|
};
|
|
let detectLocale = true;
|
|
self.detectLocale = function (detect) {
|
|
argsert_1.argsert('<boolean>', [detect], arguments.length);
|
|
detectLocale = detect;
|
|
return self;
|
|
};
|
|
self.getDetectLocale = () => detectLocale;
|
|
var hasOutput = false;
|
|
var exitError = null;
|
|
// maybe exit, always capture
|
|
// context about why we wanted to exit.
|
|
self.exit = (code, err) => {
|
|
hasOutput = true;
|
|
exitError = err;
|
|
if (exitProcess)
|
|
process.exit(code);
|
|
};
|
|
// we use a custom logger that buffers output,
|
|
// so that we can print to non-CLIs, e.g., chat-bots.
|
|
const _logger = {
|
|
log(...args) {
|
|
if (!self._hasParseCallback())
|
|
console.log(...args);
|
|
hasOutput = true;
|
|
if (output.length)
|
|
output += '\n';
|
|
output += args.join(' ');
|
|
},
|
|
error(...args) {
|
|
if (!self._hasParseCallback())
|
|
console.error(...args);
|
|
hasOutput = true;
|
|
if (output.length)
|
|
output += '\n';
|
|
output += args.join(' ');
|
|
}
|
|
};
|
|
self._getLoggerInstance = () => _logger;
|
|
// has yargs output an error our help
|
|
// message in the current execution context.
|
|
self._hasOutput = () => hasOutput;
|
|
self._setHasOutput = () => {
|
|
hasOutput = true;
|
|
};
|
|
let recommendCommands;
|
|
self.recommendCommands = function (recommend = true) {
|
|
argsert_1.argsert('[boolean]', [recommend], arguments.length);
|
|
recommendCommands = recommend;
|
|
return self;
|
|
};
|
|
self.getUsageInstance = () => usage;
|
|
self.getValidationInstance = () => validation;
|
|
self.getCommandInstance = () => command;
|
|
self.terminalWidth = () => {
|
|
argsert_1.argsert([], 0);
|
|
return typeof process.stdout.columns !== 'undefined' ? process.stdout.columns : null;
|
|
};
|
|
Object.defineProperty(self, 'argv', {
|
|
get: () => self._parseArgs(processArgs),
|
|
enumerable: true
|
|
});
|
|
self._parseArgs = function parseArgs(args, shortCircuit, _calledFromCommand, commandIndex) {
|
|
let skipValidation = !!_calledFromCommand;
|
|
args = args || processArgs;
|
|
options.__ = y18n.__;
|
|
options.configuration = self.getParserConfiguration();
|
|
const populateDoubleDash = !!options.configuration['populate--'];
|
|
const config = Object.assign({}, options.configuration, {
|
|
'populate--': true
|
|
});
|
|
const parsed = Parser.detailed(args, Object.assign({}, options, {
|
|
configuration: config
|
|
}));
|
|
let argv = parsed.argv;
|
|
if (parseContext)
|
|
argv = Object.assign({}, argv, parseContext);
|
|
const aliases = parsed.aliases;
|
|
argv.$0 = self.$0;
|
|
self.parsed = parsed;
|
|
try {
|
|
guessLocale(); // guess locale lazily, so that it can be turned off in chain.
|
|
// while building up the argv object, there
|
|
// are two passes through the parser. If completion
|
|
// is being performed short-circuit on the first pass.
|
|
if (shortCircuit) {
|
|
return (populateDoubleDash || _calledFromCommand) ? argv : self._copyDoubleDash(argv);
|
|
}
|
|
// if there's a handler associated with a
|
|
// command defer processing to it.
|
|
if (helpOpt) {
|
|
// consider any multi-char helpOpt alias as a valid help command
|
|
// unless all helpOpt aliases are single-char
|
|
// note that parsed.aliases is a normalized bidirectional map :)
|
|
const helpCmds = [helpOpt]
|
|
.concat(aliases[helpOpt] || [])
|
|
.filter(k => k.length > 1);
|
|
// check if help should trigger and strip it from _.
|
|
if (~helpCmds.indexOf(argv._[argv._.length - 1])) {
|
|
argv._.pop();
|
|
argv[helpOpt] = true;
|
|
}
|
|
}
|
|
const handlerKeys = command.getCommands();
|
|
const requestCompletions = completion.completionKey in argv;
|
|
const skipRecommendation = argv[helpOpt] || requestCompletions;
|
|
const skipDefaultCommand = skipRecommendation && (handlerKeys.length > 1 || handlerKeys[0] !== '$0');
|
|
if (argv._.length) {
|
|
if (handlerKeys.length) {
|
|
let firstUnknownCommand;
|
|
for (let i = (commandIndex || 0), cmd; argv._[i] !== undefined; i++) {
|
|
cmd = String(argv._[i]);
|
|
if (~handlerKeys.indexOf(cmd) && cmd !== completionCommand) {
|
|
// commands are executed using a recursive algorithm that executes
|
|
// the deepest command first; we keep track of the position in the
|
|
// argv._ array that is currently being executed.
|
|
const innerArgv = command.runCommand(cmd, self, parsed, i + 1);
|
|
return populateDoubleDash ? innerArgv : self._copyDoubleDash(innerArgv);
|
|
}
|
|
else if (!firstUnknownCommand && cmd !== completionCommand) {
|
|
firstUnknownCommand = cmd;
|
|
break;
|
|
}
|
|
}
|
|
// run the default command, if defined
|
|
if (command.hasDefaultCommand() && !skipDefaultCommand) {
|
|
const innerArgv = command.runCommand(null, self, parsed);
|
|
return populateDoubleDash ? innerArgv : self._copyDoubleDash(innerArgv);
|
|
}
|
|
// recommend a command if recommendCommands() has
|
|
// been enabled, and no commands were found to execute
|
|
if (recommendCommands && firstUnknownCommand && !skipRecommendation) {
|
|
validation.recommendCommands(firstUnknownCommand, handlerKeys);
|
|
}
|
|
}
|
|
// generate a completion script for adding to ~/.bashrc.
|
|
if (completionCommand && ~argv._.indexOf(completionCommand) && !requestCompletions) {
|
|
if (exitProcess)
|
|
setBlocking(true);
|
|
self.showCompletionScript();
|
|
self.exit(0);
|
|
}
|
|
}
|
|
else if (command.hasDefaultCommand() && !skipDefaultCommand) {
|
|
const innerArgv = command.runCommand(null, self, parsed);
|
|
return populateDoubleDash ? innerArgv : self._copyDoubleDash(innerArgv);
|
|
}
|
|
// we must run completions first, a user might
|
|
// want to complete the --help or --version option.
|
|
if (requestCompletions) {
|
|
if (exitProcess)
|
|
setBlocking(true);
|
|
// we allow for asynchronous completions,
|
|
// e.g., loading in a list of commands from an API.
|
|
args = [].concat(args);
|
|
const completionArgs = args.slice(args.indexOf(`--${completion.completionKey}`) + 1);
|
|
completion.getCompletion(completionArgs, (completions) => {
|
|
;
|
|
(completions || []).forEach((completion) => {
|
|
_logger.log(completion);
|
|
});
|
|
self.exit(0);
|
|
});
|
|
return (populateDoubleDash || _calledFromCommand) ? argv : self._copyDoubleDash(argv);
|
|
}
|
|
// Handle 'help' and 'version' options
|
|
// if we haven't already output help!
|
|
if (!hasOutput) {
|
|
Object.keys(argv).forEach((key) => {
|
|
if (key === helpOpt && argv[key]) {
|
|
if (exitProcess)
|
|
setBlocking(true);
|
|
skipValidation = true;
|
|
self.showHelp('log');
|
|
self.exit(0);
|
|
}
|
|
else if (key === versionOpt && argv[key]) {
|
|
if (exitProcess)
|
|
setBlocking(true);
|
|
skipValidation = true;
|
|
usage.showVersion();
|
|
self.exit(0);
|
|
}
|
|
});
|
|
}
|
|
// Check if any of the options to skip validation were provided
|
|
if (!skipValidation && options.skipValidation.length > 0) {
|
|
skipValidation = Object.keys(argv).some(key => options.skipValidation.indexOf(key) >= 0 && argv[key] === true);
|
|
}
|
|
// If the help or version options where used and exitProcess is false,
|
|
// or if explicitly skipped, we won't run validations.
|
|
if (!skipValidation) {
|
|
if (parsed.error)
|
|
throw new yerror_1.YError(parsed.error.message);
|
|
// if we're executed via bash completion, don't
|
|
// bother with validation.
|
|
if (!requestCompletions) {
|
|
self._runValidation(argv, aliases, {}, parsed.error);
|
|
}
|
|
}
|
|
}
|
|
catch (err) {
|
|
if (err instanceof yerror_1.YError)
|
|
usage.fail(err.message, err);
|
|
else
|
|
throw err;
|
|
}
|
|
return (populateDoubleDash || _calledFromCommand) ? argv : self._copyDoubleDash(argv);
|
|
};
|
|
// to simplify the parsing of positionals in commands,
|
|
// we temporarily populate '--' rather than _, with arguments
|
|
// after the '--' directive. After the parse, we copy these back.
|
|
self._copyDoubleDash = function (argv) {
|
|
if (is_promise_1.isPromise(argv) || !argv._ || !argv['--'])
|
|
return argv;
|
|
argv._.push.apply(argv._, argv['--']);
|
|
// TODO(bcoe): refactor command parsing such that this delete is not
|
|
// necessary: https://github.com/yargs/yargs/issues/1482
|
|
try {
|
|
delete argv['--'];
|
|
}
|
|
catch (_err) { }
|
|
return argv;
|
|
};
|
|
self._runValidation = function runValidation(argv, aliases, positionalMap, parseErrors, isDefaultCommand = false) {
|
|
if (parseErrors)
|
|
throw new yerror_1.YError(parseErrors.message);
|
|
validation.nonOptionCount(argv);
|
|
validation.requiredArguments(argv);
|
|
let failedStrictCommands = false;
|
|
if (strictCommands) {
|
|
failedStrictCommands = validation.unknownCommands(argv);
|
|
}
|
|
if (strict && !failedStrictCommands) {
|
|
validation.unknownArguments(argv, aliases, positionalMap, isDefaultCommand);
|
|
}
|
|
validation.customChecks(argv, aliases);
|
|
validation.limitedChoices(argv);
|
|
validation.implications(argv);
|
|
validation.conflicting(argv);
|
|
};
|
|
function guessLocale() {
|
|
if (!detectLocale)
|
|
return;
|
|
const locale = process.env.LC_ALL || process.env.LC_MESSAGES || process.env.LANG || process.env.LANGUAGE || 'en_US';
|
|
self.locale(locale.replace(/[.:].*/, ''));
|
|
}
|
|
// an app should almost always have --version and --help,
|
|
// if you *really* want to disable this use .help(false)/.version(false).
|
|
self.help();
|
|
self.version();
|
|
return self;
|
|
}
|
|
exports.Yargs = Yargs;
|
|
// rebase an absolute path to a relative one with respect to a base directory
|
|
// exported for tests
|
|
function rebase(base, dir) {
|
|
return path.relative(base, dir);
|
|
}
|
|
exports.rebase = rebase;
|
|
function isYargsInstance(y) {
|
|
return !!y && (typeof y._parseArgs === 'function');
|
|
}
|
|
exports.isYargsInstance = isYargsInstance;
|