next/dist/build/webpack/loaders/next-swc-loader.js

The React Framework

/*
Copyright (c) 2017 The swc Project Developers

Permission is hereby granted, free of charge, to any
person obtaining a copy of this software and associated
documentation files (the "Software"), to deal in the
Software without restriction, including without
limitation the rights to use, copy, modify, merge,
publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software
is furnished to do so, subject to the following
conditions:

The above copyright notice and this permission notice
shall be included in all copies or substantial portions
of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
*/ "use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
0 && (module.exports = {
    default: null,
    pitch: null,
    raw: null
});
function _export(target, all) {
    for(var name in all)Object.defineProperty(target, name, {
        enumerable: true,
        get: all[name]
    });
}
_export(exports, {
    default: function() {
        return swcLoader;
    },
    pitch: function() {
        return pitch;
    },
    raw: function() {
        return raw;
    }
});
const _swc = require("../../swc");
const _options = require("../../swc/options");
const _path = /*#__PURE__*/ _interop_require_wildcard(require("path"));
const _webpackconfig = require("../../webpack-config");
const _handleexternals = require("../../handle-externals");
const _updatetelemetryloadercontextfromswc = require("../plugins/telemetry-plugin/update-telemetry-loader-context-from-swc");
function _getRequireWildcardCache(nodeInterop) {
    if (typeof WeakMap !== "function") return null;
    var cacheBabelInterop = new WeakMap();
    var cacheNodeInterop = new WeakMap();
    return (_getRequireWildcardCache = function(nodeInterop) {
        return nodeInterop ? cacheNodeInterop : cacheBabelInterop;
    })(nodeInterop);
}
function _interop_require_wildcard(obj, nodeInterop) {
    if (!nodeInterop && obj && obj.__esModule) {
        return obj;
    }
    if (obj === null || typeof obj !== "object" && typeof obj !== "function") {
        return {
            default: obj
        };
    }
    var cache = _getRequireWildcardCache(nodeInterop);
    if (cache && cache.has(obj)) {
        return cache.get(obj);
    }
    var newObj = {
        __proto__: null
    };
    var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor;
    for(var key in obj){
        if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) {
            var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null;
            if (desc && (desc.get || desc.set)) {
                Object.defineProperty(newObj, key, desc);
            } else {
                newObj[key] = obj[key];
            }
        }
    }
    newObj.default = obj;
    if (cache) {
        cache.set(obj, newObj);
    }
    return newObj;
}
const maybeExclude = (excludePath, transpilePackages)=>{
    if (_webpackconfig.babelIncludeRegexes.some((r)=>r.test(excludePath))) {
        return false;
    }
    const shouldBeBundled = (0, _handleexternals.isResourceInPackages)(excludePath, transpilePackages);
    if (shouldBeBundled) return false;
    return excludePath.includes('node_modules');
};
// these are exact code conditions checked
// for to force transpiling a `node_module`
const FORCE_TRANSPILE_CONDITIONS = /(next\/font|next\/dynamic|use server|use client)/;
async function loaderTransform(source, inputSourceMap) {
    var _nextConfig_experimental, _nextConfig_experimental1, _nextConfig_experimental2, _nextConfig_experimental3, _nextConfig_experimental4, _nextConfig_experimental5, _nextConfig_experimental6;
    // Make the loader async
    const filename = this.resourcePath;
    // Ensure `.d.ts` are not processed.
    if (filename.endsWith('.d.ts')) {
        return [
            source,
            inputSourceMap
        ];
    }
    let loaderOptions = this.getOptions() || {};
    const shouldMaybeExclude = maybeExclude(filename, loaderOptions.transpilePackages || []);
    if (shouldMaybeExclude) {
        if (!source) {
            throw Object.defineProperty(new Error(`Invariant might be excluded but missing source`), "__NEXT_ERROR_CODE", {
                value: "E368",
                enumerable: false,
                configurable: true
            });
        }
        if (!FORCE_TRANSPILE_CONDITIONS.test(source)) {
            return [
                source,
                inputSourceMap
            ];
        }
    }
    const { isServer, rootDir, pagesDir, appDir, hasReactRefresh, nextConfig, jsConfig, supportedBrowsers, swcCacheDir, serverComponents, serverReferenceHashSalt, bundleLayer, esm } = loaderOptions;
    const isPageFile = pagesDir ? filename.startsWith(pagesDir) : false;
    const relativeFilePathFromRoot = _path.default.relative(rootDir, filename);
    const swcOptions = (0, _options.getLoaderSWCOptions)({
        pagesDir,
        appDir,
        filename,
        isServer,
        isPageFile,
        development: this.mode === 'development' || !!((_nextConfig_experimental = nextConfig.experimental) == null ? void 0 : _nextConfig_experimental.allowDevelopmentBuild),
        isDynamicIo: (_nextConfig_experimental1 = nextConfig.experimental) == null ? void 0 : _nextConfig_experimental1.dynamicIO,
        hasReactRefresh,
        modularizeImports: nextConfig == null ? void 0 : nextConfig.modularizeImports,
        optimizePackageImports: nextConfig == null ? void 0 : (_nextConfig_experimental2 = nextConfig.experimental) == null ? void 0 : _nextConfig_experimental2.optimizePackageImports,
        swcPlugins: nextConfig == null ? void 0 : (_nextConfig_experimental3 = nextConfig.experimental) == null ? void 0 : _nextConfig_experimental3.swcPlugins,
        compilerOptions: nextConfig == null ? void 0 : nextConfig.compiler,
        optimizeServerReact: nextConfig == null ? void 0 : (_nextConfig_experimental4 = nextConfig.experimental) == null ? void 0 : _nextConfig_experimental4.optimizeServerReact,
        jsConfig,
        supportedBrowsers,
        swcCacheDir,
        relativeFilePathFromRoot,
        serverComponents,
        serverReferenceHashSalt,
        bundleLayer,
        esm,
        cacheHandlers: (_nextConfig_experimental5 = nextConfig.experimental) == null ? void 0 : _nextConfig_experimental5.cacheHandlers,
        useCacheEnabled: (_nextConfig_experimental6 = nextConfig.experimental) == null ? void 0 : _nextConfig_experimental6.useCache
    });
    const programmaticOptions = {
        ...swcOptions,
        filename,
        inputSourceMap: inputSourceMap ? JSON.stringify(inputSourceMap) : undefined,
        // Set the default sourcemap behavior based on Webpack's mapping flag,
        sourceMaps: this.sourceMap,
        inlineSourcesContent: this.sourceMap,
        // Ensure that Webpack will get a full absolute path in the sourcemap
        // so that it can properly map the module back to its internal cached
        // modules.
        sourceFileName: filename
    };
    if (!programmaticOptions.inputSourceMap) {
        delete programmaticOptions.inputSourceMap;
    }
    // auto detect development mode
    if (this.mode && programmaticOptions.jsc && programmaticOptions.jsc.transform && programmaticOptions.jsc.transform.react && !Object.prototype.hasOwnProperty.call(programmaticOptions.jsc.transform.react, 'development')) {
        programmaticOptions.jsc.transform.react.development = this.mode === 'development';
    }
    return (0, _swc.transform)(source, programmaticOptions).then((output)=>{
        (0, _updatetelemetryloadercontextfromswc.updateTelemetryLoaderCtxFromTransformOutput)(this, output);
        return [
            output.code,
            output.map ? JSON.parse(output.map) : undefined
        ];
    });
}
const EXCLUDED_PATHS = /[\\/](cache[\\/][^\\/]+\.zip[\\/]node_modules|__virtual__)[\\/]/g;
function pitch() {
    const callback = this.async();
    let loaderOptions = this.getOptions() || {};
    const shouldMaybeExclude = maybeExclude(this.resourcePath, loaderOptions.transpilePackages || []);
    (async ()=>{
        if (// if it might be excluded/no-op we can't use pitch loader
        !shouldMaybeExclude && // TODO: investigate swc file reading in PnP mode?
        !process.versions.pnp && !EXCLUDED_PATHS.test(this.resourcePath) && this.loaders.length - 1 === this.loaderIndex && (0, _path.isAbsolute)(this.resourcePath) && !await (0, _swc.isWasm)()) {
            this.addDependency(this.resourcePath);
            return loaderTransform.call(this);
        }
    })().then((r)=>{
        if (r) return callback(null, ...r);
        callback();
    }, callback);
}
function swcLoader(inputSource, inputSourceMap) {
    const callback = this.async();
    loaderTransform.call(this, inputSource, inputSourceMap).then(([transformedSource, outputSourceMap])=>{
        callback(null, transformedSource, outputSourceMap || inputSourceMap);
    }, (err)=>{
        callback(err);
    });
}
const raw = true;

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