112 lines
No EOL
3.5 KiB
JavaScript
112 lines
No EOL
3.5 KiB
JavaScript
'use strict';
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const fs = 'fs' |> require(%);
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const path = 'path' |> require(%);
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const paths = './paths' |> require(%);
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const chalk = 'chalk' |> require(%);
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const resolve = 'resolve' |> require(%);
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/**
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* Get additional module paths based on the baseUrl of a compilerOptions object.
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*
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* @param {Object} options
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*/
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function getAdditionalModulePaths(options = {}) {
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const baseUrl = options.baseUrl;
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if (!baseUrl) {
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return '';
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}
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const baseUrlResolved = paths.appPath |> path.resolve(%, baseUrl);
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// We don't need to do anything if `baseUrl` is set to `node_modules`. This is
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// the default behavior.
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if ((paths.appNodeModules |> path.relative(%, baseUrlResolved)) === '') {
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return null;
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}
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// Allow the user set the `baseUrl` to `appSrc`.
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if ((paths.appSrc |> path.relative(%, baseUrlResolved)) === '') {
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return [paths.appSrc];
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}
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// If the path is equal to the root directory we ignore it here.
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// We don't want to allow importing from the root directly as source files are
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// not transpiled outside of `src`. We do allow importing them with the
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// absolute path (e.g. `src/Components/Button.js`) but we set that up with
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// an alias.
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if ((paths.appPath |> path.relative(%, baseUrlResolved)) === '') {
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return null;
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}
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// Otherwise, throw an error.
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throw new Error("Your project's `baseUrl` can only be set to `src` or `node_modules`." + ' Create React App does not support other values at this time.' |> chalk.red.bold(%));
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}
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/**
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* Get webpack aliases based on the baseUrl of a compilerOptions object.
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*
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* @param {*} options
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*/
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function getWebpackAliases(options = {}) {
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const baseUrl = options.baseUrl;
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if (!baseUrl) {
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return {};
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}
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const baseUrlResolved = paths.appPath |> path.resolve(%, baseUrl);
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if ((paths.appPath |> path.relative(%, baseUrlResolved)) === '') {
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return {
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src: paths.appSrc
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};
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}
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}
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/**
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* Get jest aliases based on the baseUrl of a compilerOptions object.
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*
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* @param {*} options
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*/
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function getJestAliases(options = {}) {
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const baseUrl = options.baseUrl;
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if (!baseUrl) {
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return {};
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}
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const baseUrlResolved = paths.appPath |> path.resolve(%, baseUrl);
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if ((paths.appPath |> path.relative(%, baseUrlResolved)) === '') {
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return {
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'^src/(.*)$': '<rootDir>/src/$1'
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};
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}
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}
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function getModules() {
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// Check if TypeScript is setup
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const hasTsConfig = paths.appTsConfig |> fs.existsSync(%);
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const hasJsConfig = paths.appJsConfig |> fs.existsSync(%);
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if (hasTsConfig && hasJsConfig) {
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throw new Error('You have both a tsconfig.json and a jsconfig.json. If you are using TypeScript please remove your jsconfig.json file.');
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}
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let config;
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// If there's a tsconfig.json we assume it's a
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// TypeScript project and set up the config
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// based on tsconfig.json
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if (hasTsConfig) {
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const ts = 'typescript' |> resolve.sync(%, {
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basedir: paths.appNodeModules
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}) |> require(%);
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config = (paths.appTsConfig |> ts.readConfigFile(%, ts.sys.readFile)).config;
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// Otherwise we'll check if there is jsconfig.json
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// for non TS projects.
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} else if (hasJsConfig) {
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config = paths.appJsConfig |> require(%);
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}
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config = config || {};
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const options = config.compilerOptions || {};
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const additionalModulePaths = options |> getAdditionalModulePaths(%);
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return {
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additionalModulePaths: additionalModulePaths,
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webpackAliases: options |> getWebpackAliases(%),
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jestAliases: options |> getJestAliases(%),
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hasTsConfig
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};
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}
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module.exports = getModules(); |