332 lines
14 KiB
JavaScript
332 lines
14 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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Object.defineProperty(exports, "default", {
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enumerable: true,
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get: function() {
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return getConfig;
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}
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});
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const _fs = require("fs");
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const _json5 = /*#__PURE__*/ _interop_require_default(require("next/dist/compiled/json5"));
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const _core = require("next/dist/compiled/babel/core");
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const _corelibconfig = /*#__PURE__*/ _interop_require_default(require("next/dist/compiled/babel/core-lib-config"));
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const _util = require("./util");
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const _log = /*#__PURE__*/ _interop_require_wildcard(require("../../output/log"));
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function _interop_require_default(obj) {
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return obj && obj.__esModule ? obj : {
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default: obj
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};
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}
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function _getRequireWildcardCache(nodeInterop) {
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if (typeof WeakMap !== "function") return null;
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var cacheBabelInterop = new WeakMap();
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var cacheNodeInterop = new WeakMap();
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return (_getRequireWildcardCache = function(nodeInterop) {
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return nodeInterop ? cacheNodeInterop : cacheBabelInterop;
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})(nodeInterop);
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}
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function _interop_require_wildcard(obj, nodeInterop) {
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if (!nodeInterop && obj && obj.__esModule) {
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return obj;
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}
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if (obj === null || typeof obj !== "object" && typeof obj !== "function") {
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return {
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default: obj
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};
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}
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var cache = _getRequireWildcardCache(nodeInterop);
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if (cache && cache.has(obj)) {
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return cache.get(obj);
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}
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var newObj = {};
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var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor;
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for(var key in obj){
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if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) {
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var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null;
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if (desc && (desc.get || desc.set)) {
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Object.defineProperty(newObj, key, desc);
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} else {
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newObj[key] = obj[key];
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}
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}
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}
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newObj.default = obj;
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if (cache) {
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cache.set(obj, newObj);
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}
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return newObj;
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}
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const nextDistPath = /(next[\\/]dist[\\/]shared[\\/]lib)|(next[\\/]dist[\\/]client)|(next[\\/]dist[\\/]pages)/;
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const fileExtensionRegex = /\.([a-z]+)$/;
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function getCacheCharacteristics(loaderOptions, source, filename) {
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var _fileExtensionRegex_exec;
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const { isServer, pagesDir } = loaderOptions;
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const isPageFile = filename.startsWith(pagesDir);
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const isNextDist = nextDistPath.test(filename);
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const hasModuleExports = source.indexOf("module.exports") !== -1;
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const fileExt = ((_fileExtensionRegex_exec = fileExtensionRegex.exec(filename)) == null ? void 0 : _fileExtensionRegex_exec[1]) || "unknown";
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return {
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isServer,
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isPageFile,
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isNextDist,
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hasModuleExports,
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fileExt
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};
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}
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/**
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* Return an array of Babel plugins, conditioned upon loader options and
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* source file characteristics.
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*/ function getPlugins(loaderOptions, cacheCharacteristics) {
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const { isServer, isPageFile, isNextDist, hasModuleExports } = cacheCharacteristics;
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const { hasReactRefresh, development } = loaderOptions;
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const applyCommonJsItem = hasModuleExports ? (0, _core.createConfigItem)(require("../plugins/commonjs"), {
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type: "plugin"
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}) : null;
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const reactRefreshItem = hasReactRefresh ? (0, _core.createConfigItem)([
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require("next/dist/compiled/react-refresh/babel"),
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{
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skipEnvCheck: true
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}
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], {
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type: "plugin"
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}) : null;
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const pageConfigItem = !isServer && isPageFile ? (0, _core.createConfigItem)([
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require("../plugins/next-page-config")
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], {
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type: "plugin"
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}) : null;
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const disallowExportAllItem = !isServer && isPageFile ? (0, _core.createConfigItem)([
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require("../plugins/next-page-disallow-re-export-all-exports")
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], {
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type: "plugin"
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}) : null;
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const transformDefineItem = (0, _core.createConfigItem)([
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require.resolve("next/dist/compiled/babel/plugin-transform-define"),
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{
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"process.env.NODE_ENV": development ? "development" : "production",
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"typeof window": isServer ? "undefined" : "object",
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"process.browser": isServer ? false : true
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},
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"next-js-transform-define-instance"
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], {
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type: "plugin"
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});
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const nextSsgItem = !isServer && isPageFile ? (0, _core.createConfigItem)([
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require.resolve("../plugins/next-ssg-transform")
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], {
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type: "plugin"
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}) : null;
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const commonJsItem = isNextDist ? (0, _core.createConfigItem)(require("next/dist/compiled/babel/plugin-transform-modules-commonjs"), {
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type: "plugin"
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}) : null;
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const nextFontUnsupported = (0, _core.createConfigItem)([
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require("../plugins/next-font-unsupported")
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], {
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type: "plugin"
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});
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return [
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reactRefreshItem,
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pageConfigItem,
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disallowExportAllItem,
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applyCommonJsItem,
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transformDefineItem,
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nextSsgItem,
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commonJsItem,
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nextFontUnsupported
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].filter(Boolean);
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}
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const isJsonFile = /\.(json|babelrc)$/;
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const isJsFile = /\.js$/;
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/**
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* While this function does block execution while reading from disk, it
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* should not introduce any issues. The function is only invoked when
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* generating a fresh config, and only a small handful of configs should
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* be generated during compilation.
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*/ function getCustomBabelConfig(configFilePath) {
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if (isJsonFile.exec(configFilePath)) {
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const babelConfigRaw = (0, _fs.readFileSync)(configFilePath, "utf8");
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return _json5.default.parse(babelConfigRaw);
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} else if (isJsFile.exec(configFilePath)) {
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return require(configFilePath);
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}
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throw new Error("The Next.js Babel loader does not support .mjs or .cjs config files.");
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}
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let babelConfigWarned = false;
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/**
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* Check if custom babel configuration from user only contains options that
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* can be migrated into latest Next.js features supported by SWC.
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*
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* This raises soft warning messages only, not making any errors yet.
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*/ function checkCustomBabelConfigDeprecation(config) {
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if (!config || Object.keys(config).length === 0) {
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return;
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}
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const { plugins, presets, ...otherOptions } = config;
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if (Object.keys(otherOptions ?? {}).length > 0) {
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return;
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}
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if (babelConfigWarned) {
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return;
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}
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babelConfigWarned = true;
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const isPresetReadyToDeprecate = !presets || presets.length === 0 || presets.length === 1 && presets[0] === "next/babel";
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const pluginReasons = [];
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const unsupportedPlugins = [];
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if (Array.isArray(plugins)) {
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for (const plugin of plugins){
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const pluginName = Array.isArray(plugin) ? plugin[0] : plugin;
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// [NOTE]: We cannot detect if the user uses babel-plugin-macro based transform plugins,
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// such as `styled-components/macro` in here.
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switch(pluginName){
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case "styled-components":
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case "babel-plugin-styled-components":
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pluginReasons.push(`\t- 'styled-components' can be enabled via 'compiler.styledComponents' in 'next.config.js'`);
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break;
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case "@emotion/babel-plugin":
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pluginReasons.push(`\t- '@emotion/babel-plugin' can be enabled via 'compiler.emotion' in 'next.config.js'`);
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break;
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case "babel-plugin-relay":
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pluginReasons.push(`\t- 'babel-plugin-relay' can be enabled via 'compiler.relay' in 'next.config.js'`);
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break;
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case "react-remove-properties":
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pluginReasons.push(`\t- 'react-remove-properties' can be enabled via 'compiler.reactRemoveProperties' in 'next.config.js'`);
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break;
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case "transform-remove-console":
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pluginReasons.push(`\t- 'transform-remove-console' can be enabled via 'compiler.removeConsole' in 'next.config.js'`);
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break;
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default:
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unsupportedPlugins.push(pluginName);
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break;
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}
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}
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}
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if (isPresetReadyToDeprecate && unsupportedPlugins.length === 0) {
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_log.warn(`It looks like there is a custom Babel configuration can be removed ${pluginReasons.length > 0 ? ":" : "."}`);
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if (pluginReasons.length > 0) {
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_log.warn(`Next.js supports the following features natively: `);
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_log.warn(pluginReasons.join(""));
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_log.warn(`For more details configuration options, please refer https://nextjs.org/docs/architecture/nextjs-compiler#supported-features`);
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}
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}
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}
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/**
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* Generate a new, flat Babel config, ready to be handed to Babel-traverse.
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* This config should have no unresolved overrides, presets, etc.
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*/ function getFreshConfig(cacheCharacteristics, loaderOptions, target, filename, inputSourceMap) {
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let { isServer, pagesDir, development, hasJsxRuntime, configFile } = loaderOptions;
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let customConfig = configFile ? getCustomBabelConfig(configFile) : undefined;
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checkCustomBabelConfigDeprecation(customConfig);
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let options = {
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babelrc: false,
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cloneInputAst: false,
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filename,
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inputSourceMap: inputSourceMap || undefined,
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// Set the default sourcemap behavior based on Webpack's mapping flag,
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// but allow users to override if they want.
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sourceMaps: loaderOptions.sourceMaps === undefined ? this.sourceMap : loaderOptions.sourceMaps,
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// Ensure that Webpack will get a full absolute path in the sourcemap
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// so that it can properly map the module back to its internal cached
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// modules.
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sourceFileName: filename,
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plugins: [
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...getPlugins(loaderOptions, cacheCharacteristics),
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...(customConfig == null ? void 0 : customConfig.plugins) || []
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],
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// target can be provided in babelrc
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target: isServer ? undefined : customConfig == null ? void 0 : customConfig.target,
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// env can be provided in babelrc
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env: customConfig == null ? void 0 : customConfig.env,
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presets: (()=>{
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// If presets is defined the user will have next/babel in their babelrc
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if (customConfig == null ? void 0 : customConfig.presets) {
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return customConfig.presets;
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}
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// If presets is not defined the user will likely have "env" in their babelrc
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if (customConfig) {
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return undefined;
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}
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// If no custom config is provided the default is to use next/babel
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return [
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"next/babel"
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];
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})(),
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overrides: loaderOptions.overrides,
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caller: {
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name: "next-babel-turbo-loader",
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supportsStaticESM: true,
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supportsDynamicImport: true,
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// Provide plugins with insight into webpack target.
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// https://github.com/babel/babel-loader/issues/787
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target: target,
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// Webpack 5 supports TLA behind a flag. We enable it by default
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// for Babel, and then webpack will throw an error if the experimental
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// flag isn't enabled.
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supportsTopLevelAwait: true,
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isServer,
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pagesDir,
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isDev: development,
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hasJsxRuntime,
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...loaderOptions.caller
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}
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};
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// Babel does strict checks on the config so undefined is not allowed
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if (typeof options.target === "undefined") {
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delete options.target;
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}
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Object.defineProperty(options.caller, "onWarning", {
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enumerable: false,
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writable: false,
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value: (reason)=>{
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if (!(reason instanceof Error)) {
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reason = new Error(reason);
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}
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this.emitWarning(reason);
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}
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});
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const loadedOptions = (0, _core.loadOptions)(options);
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const config = (0, _util.consumeIterator)((0, _corelibconfig.default)(loadedOptions));
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return config;
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}
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/**
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* Each key returned here corresponds with a Babel config that can be shared.
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* The conditions of permissible sharing between files is dependent on specific
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* file attributes and Next.js compiler states: `CharacteristicsGermaneToCaching`.
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*/ function getCacheKey(cacheCharacteristics) {
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const { isServer, isPageFile, isNextDist, hasModuleExports, fileExt } = cacheCharacteristics;
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const flags = 0 | (isServer ? 1 : 0) | (isPageFile ? 2 : 0) | (isNextDist ? 4 : 0) | (hasModuleExports ? 8 : 0);
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return fileExt + flags;
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}
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const configCache = new Map();
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const configFiles = new Set();
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function getConfig({ source, target, loaderOptions, filename, inputSourceMap }) {
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const cacheCharacteristics = getCacheCharacteristics(loaderOptions, source, filename);
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if (loaderOptions.configFile) {
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// Ensures webpack invalidates the cache for this loader when the config file changes
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this.addDependency(loaderOptions.configFile);
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}
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const cacheKey = getCacheKey(cacheCharacteristics);
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if (configCache.has(cacheKey)) {
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const cachedConfig = configCache.get(cacheKey);
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return {
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...cachedConfig,
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options: {
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...cachedConfig.options,
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cwd: loaderOptions.cwd,
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root: loaderOptions.cwd,
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filename,
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sourceFileName: filename
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}
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};
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}
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if (loaderOptions.configFile && !configFiles.has(loaderOptions.configFile)) {
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configFiles.add(loaderOptions.configFile);
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_log.info(`Using external babel configuration from ${loaderOptions.configFile}`);
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}
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const freshConfig = getFreshConfig.call(this, cacheCharacteristics, loaderOptions, target, filename, inputSourceMap);
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configCache.set(cacheKey, freshConfig);
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return freshConfig;
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}
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//# sourceMappingURL=get-config.js.map
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