90 lines
2.8 KiB
JavaScript
90 lines
2.8 KiB
JavaScript
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"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/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(inputPath, needsSlash) {
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const hasSlash = inputPath.endsWith("/");
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if (hasSlash && !needsSlash) {
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return inputPath.substr(0, inputPath.length - 1);
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} else if (!hasSlash && needsSlash) {
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return `${inputPath}/`;
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} else {
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return inputPath;
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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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const moduleFileExtensions = [
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"web.mjs",
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"mjs",
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"web.js",
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"js",
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"web.ts",
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"ts",
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"web.tsx",
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"tsx",
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"json",
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"web.jsx",
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"jsx",
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];
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// Resolve file paths in the same order as webpack
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const resolveModule = (resolveFn, filePath) => {
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const extension = moduleFileExtensions.find((extension) =>
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fs.existsSync(resolveFn(`${filePath}.${extension}`))
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);
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if (extension) {
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return resolveFn(`${filePath}.${extension}`);
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}
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return resolveFn(`${filePath}.js`);
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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: resolveModule(resolveApp, "src/index"),
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appPackageJson: resolveApp("package.json"),
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appSrc: resolveApp("src"),
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appTsConfig: resolveApp("tsconfig.json"),
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appJsConfig: resolveApp("jsconfig.json"),
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yarnLockFile: resolveApp("yarn.lock"),
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testsSetup: resolveModule(resolveApp, "src/setupTests"),
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proxySetup: resolveApp("src/setupProxy.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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i18nPath: resolveApp("public/locales"),
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};
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module.exports.moduleFileExtensions = moduleFileExtensions;
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