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Direktori : /opt/alt/alt-nodejs11/root/lib/node_modules/npm/node_modules/yargs/lib/ |
Current File : //opt/alt/alt-nodejs11/root/lib/node_modules/npm/node_modules/yargs/lib/completion.js |
'use strict' const fs = require('fs') const path = require('path') // add bash completions to your // yargs-powered applications. module.exports = function completion (yargs, usage, command) { const self = { completionKey: 'get-yargs-completions' } // get a list of completion commands. // 'args' is the array of strings from the line to be completed self.getCompletion = function getCompletion (args, done) { const completions = [] const current = args.length ? args[args.length - 1] : '' const argv = yargs.parse(args, true) const aliases = yargs.parsed.aliases // a custom completion function can be provided // to completion(). if (completionFunction) { if (completionFunction.length < 3) { const result = completionFunction(current, argv) // promise based completion function. if (typeof result.then === 'function') { return result.then((list) => { process.nextTick(() => { done(list) }) }).catch((err) => { process.nextTick(() => { throw err }) }) } // synchronous completion function. return done(result) } else { // asynchronous completion function return completionFunction(current, argv, (completions) => { done(completions) }) } } const handlers = command.getCommandHandlers() for (let i = 0, ii = args.length; i < ii; ++i) { if (handlers[args[i]] && handlers[args[i]].builder) { const builder = handlers[args[i]].builder if (typeof builder === 'function') { const y = yargs.reset() builder(y) return y.argv } } } if (!current.match(/^-/)) { usage.getCommands().forEach((usageCommand) => { const commandName = command.parseCommand(usageCommand[0]).cmd if (args.indexOf(commandName) === -1) { completions.push(commandName) } }) } if (current.match(/^-/)) { Object.keys(yargs.getOptions().key).forEach((key) => { // If the key and its aliases aren't in 'args', add the key to 'completions' const keyAndAliases = [key].concat(aliases[key] || []) const notInArgs = keyAndAliases.every(val => args.indexOf(`--${val}`) === -1) if (notInArgs) { completions.push(`--${key}`) } }) } done(completions) } // generate the completion script to add to your .bashrc. self.generateCompletionScript = function generateCompletionScript ($0, cmd) { let script = fs.readFileSync( path.resolve(__dirname, '../completion.sh.hbs'), 'utf-8' ) const name = path.basename($0) // add ./to applications not yet installed as bin. if ($0.match(/\.js$/)) $0 = `./${$0}` script = script.replace(/{{app_name}}/g, name) script = script.replace(/{{completion_command}}/g, cmd) return script.replace(/{{app_path}}/g, $0) } // register a function to perform your own custom // completions., this function can be either // synchrnous or asynchronous. let completionFunction = null self.registerFunction = (fn) => { completionFunction = fn } return self }