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Add warnings while upgrading RN with react-native upgrade

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Summary: Closes https://github.com/facebook/react-native/pull/4854

Reviewed By: svcscm

Differential Revision: D2803252

Pulled By: foghina

fb-gh-sync-id: e6b05b19cf45773d7683ae8ae35643f400e51692
This commit is contained in:
Satyajit Sahoo 2016-01-05 09:57:31 -08:00 committed by facebook-github-bot-3
parent 6d9096fb3f
commit 80bf431f98
1 changed files with 55 additions and 4 deletions
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59
local-cli/upgrade/upgrade.js
View File

@ -9,16 +9,67 @@
'use strict';
const fs = require('fs');
const chalk = require('chalk');
const path = require('path');
const Promise = require('promise');
const yeoman = require('yeoman-environment');
const semver = require('semver');
module.exports = function upgrade(args, config) {
args = args || process.argv;
let env = yeoman.createEnv();
let name = JSON.parse(fs.readFileSync('package.json', 'utf8')).name;
let generatorPath = path.join(__dirname, '..', 'generator');
const env = yeoman.createEnv();
const pak = JSON.parse(fs.readFileSync('package.json', 'utf8'));
const version = pak.dependencies['react-native'];
if (version) {
if (version === 'latest' || version === '*') {
console.warn(
chalk.yellow(
'Major releases are most likely to introduce breaking changes.\n' +
'Use a proper version number in your \'package.json\' file to avoid breakage.\n' +
'e.g. - ^0.18.0'
)
);
} else {
const installed = JSON.parse(fs.readFileSync('node_modules/react-native/package.json', 'utf8'));
if (semver.satisfies(installed.version, version)) {
const v = version.replace(/^(~|\^|=)/, '').replace(/x/i, '0');
if (semver.valid(v)) {
console.log(
'Upgrading project to react-native v' + installed.version + '\n' +
'Be sure to read the release notes and breaking changes:\n' +
chalk.blue(
'https://github.com/facebook/react-native/releases/tag/v' + semver.major(v) + '.' + semver.minor(v) + '.0'
)
);
} else {
console.log(
chalk.yellow(
'A valid version number for \'react-native\' is not specified your \'package.json\' file.'
)
);
}
} else {
console.warn(
chalk.yellow(
'react-native version in \'package.json\' doesn\'t match the installed version in \'node_modules\'.\n' +
'Try running \'npm install\' to fix the issue.'
)
);
}
}
} else {
console.warn(
chalk.yellow(
'Your \'package.json\' file doesn\'t seem to have \'react-native\' as a dependency.'
)
);
}
const generatorPath = path.join(__dirname, '..', 'generator');
env.register(generatorPath, 'react:app');
let generatorArgs = ['react:app', name].concat(args);
const generatorArgs = ['react:app', pak.name].concat(args);
return new Promise((resolve) => env.run(generatorArgs, {upgrade: true}, resolve));
};