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33d710e8c5
Summary: The pull request adds the `--port` option to `run-ios` allowing a developer to build and launch a react-native app using a single command line like this: ``` react-native run-ios --port 8088 ``` It defaults to the current port 8081. This pull request fixes issue #9145 and issue #14113. This patch also extends `run-android` to properly test and launch the packager with the specified port, extending the work done in PR: ##15316 1. Create a new react-native app, or simply clone this branch and then update your version of react-native using `yarn add file:./path/to/this/fork/of/react-native` 2. run `react-native run-ios --port 8088` 3. watch the packager start on the desired port (8088 in this case) and watch your app in your simulator connect to the packager and launch the app. Closes https://github.com/facebook/react-native/pull/16172 Differential Revision: D6612534 Pulled By: shergin fbshipit-source-id: 50af449f5e4c32fb76ba95f4cb7bf179e35526d5
32 lines
1.1 KiB
JavaScript
32 lines
1.1 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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'use strict';
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const fetch = require('node-fetch');
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/**
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* Indicates whether or not the packager is running. It returns a promise that
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* when fulfilled can returns one out of these possible values:
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* - `running`: the packager is running
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* - `not_running`: the packager nor any process is running on the expected
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* port.
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* - `unrecognized`: one other process is running on the port we expect the
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* packager to be running.
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*/
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function isPackagerRunning(packagerPort = (process.env.RCT_METRO_PORT || 8081)) {
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return fetch(`http://localhost:${packagerPort}/status`).then(
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res => res.text().then(body =>
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body === 'packager-status:running' ? 'running' : 'unrecognized'
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),
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() => 'not_running'
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);
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}
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module.exports = isPackagerRunning;
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