56 lines
1.9 KiB
JavaScript
56 lines
1.9 KiB
JavaScript
"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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// Make sure any symlinks in the project folder are resolved:
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// https://github.com/facebookincubator/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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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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yarnLockFile: resolveApp("yarn.lock"),
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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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