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e8b508144f
Summary: This is an initial step of rewriting the CLI interface to use `rnpm` one (commander, plugins etc.). It's scope is to move all existing commands to use rnpm CLI interface, so that we get plugins, flags and our existing ecosystem working out of the box. <s>This is still WIP and some of the commands are left commented out.</s> For the `config` of `rnpm` (functions get info about project and dependency), <s>I am thinking we can merge them with</s> we decided to merge it with [`default.config.js`](e57683e420/local-cli/default.config.js (L33)), so they are available on the `new Config()` [instance](e57683e420/local-cli/cliEntry.js (L59)) (which means we don't have to change anything and current plugins, like runIOS and runAndroid can just start using it [w/o depending on any extra argument](https://github.com/grabbou/react-native/blob/e57683e420210749a5a6b802b4e Closes https://github.com/facebook/react-native/pull/7899 Differential Revision: D3613193 Pulled By: bestander fbshipit-source-id: 09a072f3b21e5239dfcd8da88a205bd28dc5d037
81 lines
2.4 KiB
JavaScript
81 lines
2.4 KiB
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* Wrapper on-top of `optimist` in order to properly support boolean flags
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* and have a slightly less awkward API.
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*
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* Usage example:
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* var argv = parseCommandLine([{
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* command: 'web',
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* description: 'Run in a web browser instead of iOS',
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* default: true
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* }])
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*
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* NOTE: This file is used internally at Facebook and not in `local-cli` itself.
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* No changes should be made to this file without prior discussion with FB team.
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*/
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'use strict';
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var optimistModule = require('optimist');
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function parseCommandLine(config, args) {
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var optimist = new optimistModule();
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args = args || process.argv;
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// optimist default API requires you to write the command name three time
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// This is a small wrapper to accept an object instead
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for (var i = 0; i < config.length; ++i) {
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if (config[i].type === 'string') {
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optimist.string(config[i].command);
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} else {
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optimist.boolean(config[i].command);
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}
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optimist
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.default(config[i].command, config[i].default)
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.describe(config[i].command, config[i].description);
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if (config[i].required) {
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optimist.demand(config[i].command);
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}
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}
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var argv = optimist.parse(args);
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// optimist doesn't have support for --dev=false, instead it returns 'false'
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for (var i = 0; i < config.length; ++i) {
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var command = config[i].command;
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if (argv[command] === undefined) {
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argv[command] = config[i].default;
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}
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if (argv[command] === 'true') {
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argv[command] = true;
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}
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if (argv[command] === 'false') {
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argv[command] = false;
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}
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if (config[i].type === 'string') {
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// According to https://github.com/substack/node-optimist#numbers,
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// every argument that looks like a number should be converted to one.
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var strValue = argv[command];
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var numValue = strValue ? Number(strValue) : undefined;
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if (typeof numValue === 'number' && !isNaN(numValue)) {
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argv[command] = numValue;
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}
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}
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}
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// Show --help
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if (argv.help || argv.h) {
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optimist.showHelp();
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process.exit();
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}
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return argv;
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}
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module.exports = parseCommandLine;
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