react-native/local-cli/core/index.js

100 lines
2.9 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
*/
'use strict';
const Config = require('../util/Config');
const defaultConfig = require('./default.config');
const minimist = require('minimist');
import type {GetTransformOptions} from '../../packager/src/Bundler';
import type {HasteImpl} from '../../packager/src/node-haste/Module';
import type {CommandT} from '../commands';
/**
* Configuration file of the CLI.
*/
export type ConfigT = {
extraNodeModules?: { [id: string]: string },
/**
* Specify any additional asset extentions to be used by the packager.
* For example, if you want to include a .ttf file, you would return ['ttf']
* from here and use `require('./fonts/example.ttf')` inside your app.
*/
getAssetExts?: () => Array<string>,
/**
* Specify any additional platforms to be used by the packager.
* For example, if you want to add a "custom" platform, and use modules
* ending in .custom.js, you would return ['custom'] here.
*/
getPlatforms: () => Array<string>,
/**
* Specify any additional node modules that should be processed for
* providesModule declarations.
*/
getProvidesModuleNodeModules?: () => Array<string>,
/**
* Returns the path to a custom transformer. This can also be overridden
* with the --transformer commandline argument.
*/
getTransformModulePath?: () => string,
getTransformOptions?: GetTransformOptions,
transformVariants?: () => {[name: string]: Object},
/**
* Returns a regular expression for modules that should be ignored by the
* packager on a given platform.
*/
getBlacklistRE(): RegExp,
getProjectRoots(): Array<string>,
getAssetExts(): Array<string>,
/**
* Returns an array of project commands used by the CLI to load
*/
getProjectCommands(): Array<CommandT>,
/**
* Returns project config from the current working directory
*/
getProjectConfig(): Object,
/**
* Returns dependency config from <node_modules>/packageName
*/
getDependencyConfig(pkgName: string): Object,
/**
* A module that exports:
* - a `getHasteName(filePath)` method that returns `hasteName` for module at
* `filePath`, or undefined if `filePath` is not a haste module.
*/
hasteImpl?: HasteImpl,
};
/**
* Loads the CLI configuration
*/
function getCliConfig(): ConfigT {
const cliArgs = minimist(process.argv.slice(2));
let cwd;
let configPath;
if (cliArgs.config != null) {
cwd = process.cwd();
configPath = cliArgs.config;
} else {
cwd = __dirname;
configPath = Config.findConfigPath(cwd);
}
return Config.get(cwd, defaultConfig, configPath);
}
module.exports = getCliConfig();