79 lines
2.9 KiB
JavaScript
79 lines
2.9 KiB
JavaScript
"use strict"
|
||
|
||
var path = require("path")
|
||
var fs = require("fs")
|
||
var url = require("url")
|
||
|
||
// Make sure any symlinks in the project folder are resolved:
|
||
// https://github.com/facebookincubator/create-react-app/issues/637
|
||
var appDirectory = fs.realpathSync(process.cwd())
|
||
function resolveApp(relativePath) {
|
||
return path.resolve(appDirectory, relativePath)
|
||
}
|
||
|
||
// We support resolving modules according to `NODE_PATH`.
|
||
// This lets you use absolute paths in imports inside large monorepos:
|
||
// https://github.com/facebookincubator/create-react-app/issues/253.
|
||
|
||
// It works similar to `NODE_PATH` in Node itself:
|
||
// https://nodejs.org/api/modules.html#modules_loading_from_the_global_folders
|
||
|
||
// We will export `nodePaths` as an array of absolute paths.
|
||
// It will then be used by Webpack configs.
|
||
// Jest doesn’t need this because it already handles `NODE_PATH` out of the box.
|
||
|
||
// Note that unlike in Node, only *relative* paths from `NODE_PATH` are honored.
|
||
// Otherwise, we risk importing Node.js core modules into an app instead of Webpack shims.
|
||
// https://github.com/facebookincubator/create-react-app/issues/1023#issuecomment-265344421
|
||
|
||
var nodePaths = (process.env.NODE_PATH || "")
|
||
.split(process.platform === "win32" ? ";" : ":")
|
||
.filter(Boolean)
|
||
.filter(folder => !path.isAbsolute(folder))
|
||
.map(resolveApp)
|
||
|
||
var envPublicUrl = process.env.PUBLIC_URL
|
||
|
||
function ensureSlash(path, needsSlash) {
|
||
var hasSlash = path.endsWith("/")
|
||
if (hasSlash && !needsSlash) {
|
||
return path.substr(path, path.length - 1)
|
||
} else if (!hasSlash && needsSlash) {
|
||
return path + "/"
|
||
} else {
|
||
return path
|
||
}
|
||
}
|
||
|
||
function getPublicUrl(appPackageJson) {
|
||
return envPublicUrl || require(appPackageJson).homepage
|
||
}
|
||
|
||
// We use `PUBLIC_URL` environment variable or "homepage" field to infer
|
||
// "public path" at which the app is served.
|
||
// Webpack needs to know it to put the right <script> hrefs into HTML even in
|
||
// single-page apps that may serve index.html for nested URLs like /todos/42.
|
||
// We can't use a relative path in HTML because we don't want to load something
|
||
// like /todos/42/static/js/bundle.7289d.js. We have to know the root.
|
||
function getServedPath(appPackageJson) {
|
||
var publicUrl = getPublicUrl(appPackageJson)
|
||
var servedUrl = envPublicUrl || (publicUrl ? url.parse(publicUrl).pathname : "/")
|
||
return ensureSlash(servedUrl, true)
|
||
}
|
||
|
||
// config after eject: we're in ./config/
|
||
module.exports = {
|
||
appBuild: resolveApp("build"),
|
||
appPublic: resolveApp("public"),
|
||
appHtml: resolveApp("public/index.html"),
|
||
appIndexJs: resolveApp("client/index.js"),
|
||
appPackageJson: resolveApp("package.json"),
|
||
appSrc: resolveApp("client"),
|
||
yarnLockFile: resolveApp("yarn.lock"),
|
||
testsSetup: resolveApp("client/setupTests.js"),
|
||
appNodeModules: resolveApp("node_modules"),
|
||
nodePaths: nodePaths,
|
||
publicUrl: getPublicUrl(resolveApp("package.json")),
|
||
servedPath: getServedPath(resolveApp("package.json"))
|
||
}
|