98 lines
2.6 KiB
JavaScript
Executable File
98 lines
2.6 KiB
JavaScript
Executable File
#!/usr/bin/env node
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/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @format
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*/
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'use strict';
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const {name, version: currentVersion} = require('./package.json');
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const cli = require('@react-native-community/cli');
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const chalk = require('chalk');
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const {get} = require('https');
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const {URL} = require('url');
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const isNpxRuntime = process.env.npm_lifecycle_event === 'npx';
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const isInitCommand = process.argv[2] === 'init';
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const DEFAULT_REGISTRY_HOST =
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process.env.npm_config_registry ?? 'https://registry.npmjs.org/';
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const HEAD = '1000.0.0';
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async function getLatestVersion(registryHost = DEFAULT_REGISTRY_HOST) {
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return new Promise((res, rej) => {
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const url = new URL(registryHost);
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url.pathname = 'react-native/latest';
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get(url.toString(), resp => {
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const buffer = [];
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resp.on('data', data => buffer.push(data));
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resp.on('end', () => {
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try {
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res(JSON.parse(Buffer.concat(buffer).toString('utf8')).version);
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} catch (e) {
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rej(e);
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}
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});
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}).on('error', e => rej(e));
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});
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}
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/**
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* Warn when users are using `npx react-native init`, to raise awareness of the changes from RFC 0759.
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* @see https://github.com/react-native-community/discussions-and-proposals/tree/main/proposals/0759-react-native-frameworks.md
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*/
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function warnWhenRunningInit() {
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if (isInitCommand) {
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console.warn(
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`\nRunning: ${chalk.grey.bold('npx @react-native-community/cli init')}\n`,
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);
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}
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}
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/**
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* npx react-native -> @react-native-community/cli
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*
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* Will perform a version check and warning if you're not running the latest community cli when executed using npx. If
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* you know what you're doing, you can skip this check:
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*
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* SKIP=true npx react-native ...
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*
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*/
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async function main() {
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if (
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isNpxRuntime &&
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!process.env.SKIP &&
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currentVersion !== HEAD &&
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isInitCommand
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) {
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try {
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const latest = await getLatestVersion();
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if (latest !== currentVersion) {
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const msg = `
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${chalk.bold.yellow('WARNING:')} You should run ${chalk.white.bold(
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'npx react-native@latest',
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)} to ensure you're always using the most current version of the CLI. NPX has cached version (${chalk.bold.yellow(
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currentVersion,
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)}) != current release (${chalk.bold.green(latest)})
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`;
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console.warn(msg);
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}
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} catch (_) {
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// Ignore errors, since it's a nice to have warning
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}
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}
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warnWhenRunningInit();
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return cli.run(name);
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}
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if (require.main === module) {
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main();
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}
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module.exports = cli;
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