react-native/local-cli/link/link.js

165 lines
5.4 KiB
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
* @flow
*/
/* $FlowFixMe(>=0.54.0 site=react_native_oss) This comment suppresses an error
* found when Flow v0.54 was deployed. To see the error delete this comment and
* run Flow. */
const log = require('npmlog');
const path = require('path');
const uniqBy = require('lodash').uniqBy;
const flatten = require('lodash').flatten;
/* $FlowFixMe(>=0.54.0 site=react_native_oss) This comment suppresses an error
* found when Flow v0.54 was deployed. To see the error delete this comment and
* run Flow. */
const chalk = require('chalk');
/* $FlowFixMe(>=0.54.0 site=react_native_oss) This comment suppresses an error
* found when Flow v0.54 was deployed. To see the error delete this comment and
* run Flow. */
const isEmpty = require('lodash').isEmpty;
const promiseWaterfall = require('./promiseWaterfall');
const getProjectDependencies = require('./getProjectDependencies');
const getDependencyConfig = require('./getDependencyConfig');
const pollParams = require('./pollParams');
const commandStub = require('./commandStub');
const promisify = require('./promisify');
const findReactNativeScripts = require('../util/findReactNativeScripts');
import type {RNConfig} from '../core';
log.heading = 'rnpm-link';
const dedupeAssets = (assets) => uniqBy(assets, asset => path.basename(asset));
const linkDependency = (platforms, project, dependency) => {
Object.keys(platforms || {})
.forEach(platform => {
if (!project[platform] || !dependency.config[platform]) {
return null;
}
const linkConfig = platforms[platform] && platforms[platform].linkConfig && platforms[platform].linkConfig();
if (!linkConfig || !linkConfig.isInstalled || !linkConfig.register) {
return null;
}
const isInstalled = linkConfig.isInstalled(project[platform], dependency.config[platform]);
if (isInstalled) {
log.info(chalk.grey(`Platform '${platform}' module ${dependency.name} is already linked`));
return null;
}
return pollParams(dependency.config.params).then(params => {
log.info(`Linking ${dependency.name} ${platform} dependency`);
linkConfig.register(
dependency.name,
dependency.config[platform],
params,
project[platform]
);
log.info(`Platform '${platform}' module ${dependency.name} has been successfully linked`);
});
});
};
const linkAssets = (platforms, project, assets) => {
if (isEmpty(assets)) {
return;
}
Object.keys(platforms || {})
.forEach(platform => {
const linkConfig = platforms[platform] && platforms[platform].linkConfig && platforms[platform].linkConfig();
if (!linkConfig || !linkConfig.copyAssets) {
return;
}
log.info(`Linking assets to ${platform} project`);
linkConfig.copyAssets(assets, project[platform]);
});
log.info('Assets have been successfully linked to your project');
};
/**
* Updates project and links all dependencies to it.
*
* @param args If optional argument [packageName] is provided,
* only that package is processed.
* @param config CLI config, see local-cli/core/index.js
*/
function link(args: Array<string>, config: RNConfig) {
let project;
let platforms;
try {
project = config.getProjectConfig();
platforms = config.getPlatformConfig();
} catch (err) {
log.error(
'ERRPACKAGEJSON',
'No package found. Are you sure this is a React Native project?'
);
return Promise.reject(err);
}
const hasProjectConfig = Object.keys(platforms).reduce((acc, key) => acc || key in project, false);
if (!hasProjectConfig && findReactNativeScripts()) {
throw new Error(
'`react-native link` can not be used in Create React Native App projects. ' +
'If you need to include a library that relies on custom native code, ' +
'you might have to eject first. ' +
'See https://github.com/react-community/create-react-native-app/blob/master/EJECTING.md ' +
'for more information.'
);
}
let packageName = args[0];
// Check if install package by specific version (eg. package@latest)
if (packageName !== undefined) {
packageName = packageName.split('@')[0];
}
const dependencies = getDependencyConfig(
config,
packageName ? [packageName] : getProjectDependencies()
);
const assets = dedupeAssets(dependencies.reduce(
(acc, dependency) => acc.concat(dependency.config.assets),
project.assets
));
const tasks = flatten(dependencies.map(dependency => [
() => promisify(dependency.config.commands.prelink || commandStub),
() => linkDependency(platforms, project, dependency),
() => promisify(dependency.config.commands.postlink || commandStub),
]));
tasks.push(() => linkAssets(platforms, project, assets));
return promiseWaterfall(tasks).catch(err => {
log.error(
`Something went wrong while linking. Error: ${err.message} \n` +
'Please file an issue here: https://github.com/facebook/react-native/issues'
);
throw err;
});
}
module.exports = {
func: link,
description: 'links all native dependencies (updates native build files)',
name: 'link [packageName]',
};