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77 lines
2.5 KiB
77 lines
2.5 KiB
'use strict';
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const path = require('path');
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const fs = require('fs');
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const url = require('url');
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const findMonorepo = require('react-dev-utils/workspaceUtils').findMonorepo;
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// Make sure any symlinks in the project folder are resolved:
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// https://github.com/facebook/create-react-app/issues/637
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const appDirectory = fs.realpathSync(process.cwd());
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const resolveApp = relativePath => path.resolve(appDirectory, relativePath);
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const envPublicUrl = process.env.PUBLIC_URL;
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function ensureSlash(path, needsSlash) {
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const hasSlash = path.endsWith('/');
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if (hasSlash && !needsSlash) {
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return path.substr(path, path.length - 1);
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} else if (!hasSlash && needsSlash) {
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return `${path}/`;
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} else {
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return path;
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}
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}
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const getPublicUrl = appPackageJson =>
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envPublicUrl || require(appPackageJson).homepage;
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// We use `PUBLIC_URL` environment variable or "homepage" field to infer
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// "public path" at which the app is served.
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// Webpack needs to know it to put the right <script> hrefs into HTML even in
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// single-page apps that may serve index.html for nested URLs like /todos/42.
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// We can't use a relative path in HTML because we don't want to load something
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// like /todos/42/static/js/bundle.7289d.js. We have to know the root.
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function getServedPath(appPackageJson) {
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const publicUrl = getPublicUrl(appPackageJson);
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const servedUrl =
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envPublicUrl || (publicUrl ? url.parse(publicUrl).pathname : '/');
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return ensureSlash(servedUrl, true);
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}
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// config after eject: we're in ./config/
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module.exports = {
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dotenv: resolveApp('.env'),
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appPath: resolveApp('.'),
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appBuild: resolveApp('build'),
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appPublic: resolveApp('public'),
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appHtml: resolveApp('public/index.html'),
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appIndexJs: resolveApp('src/index.js'),
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appPackageJson: resolveApp('package.json'),
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appSrc: resolveApp('src'),
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testsSetup: resolveApp('src/setupTests.js'),
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appNodeModules: resolveApp('node_modules'),
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publicUrl: getPublicUrl(resolveApp('package.json')),
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servedPath: getServedPath(resolveApp('package.json')),
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};
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let checkForMonorepo = true;
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module.exports.srcPaths = [module.exports.appSrc];
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module.exports.useYarn = fs.existsSync(
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path.join(module.exports.appPath, 'yarn.lock')
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);
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if (checkForMonorepo) {
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// if app is in a monorepo (lerna or yarn workspace), treat other packages in
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// the monorepo as if they are app source
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const mono = findMonorepo(appDirectory);
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if (mono.isAppIncluded) {
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Array.prototype.push.apply(module.exports.srcPaths, mono.pkgs);
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}
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module.exports.useYarn = module.exports.useYarn || mono.isYarnWs;
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}
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