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node_modules/next/dist/lib/bundler.js

@@ -0,0 +1,97 @@
+/// Utilties for configuring the bundler to use.
+"use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+0 && (module.exports = {
+    Bundler: null,
+    finalizeBundlerFromConfig: null,
+    parseBundlerArgs: null
+});
+function _export(target, all) {
+    for(var name in all)Object.defineProperty(target, name, {
+        enumerable: true,
+        get: all[name]
+    });
+}
+_export(exports, {
+    Bundler: function() {
+        return Bundler;
+    },
+    finalizeBundlerFromConfig: function() {
+        return finalizeBundlerFromConfig;
+    },
+    parseBundlerArgs: function() {
+        return parseBundlerArgs;
+    }
+});
+var Bundler = /*#__PURE__*/ function(Bundler) {
+    Bundler[Bundler["Turbopack"] = 0] = "Turbopack";
+    Bundler[Bundler["Webpack"] = 1] = "Webpack";
+    Bundler[Bundler["Rspack"] = 2] = "Rspack";
+    return Bundler;
+}({});
+function parseBundlerArgs(options) {
+    const bundlerFlags = new Map();
+    const setBundlerFlag = (bundler, flag)=>{
+        bundlerFlags.set(bundler, (bundlerFlags.get(bundler) ?? []).concat(flag));
+    };
+    // What turbo flag was set? We allow multiple to be set, which is silly but not ambiguous, just pick the most relevant one.
+    if (options.turbopack) {
+        setBundlerFlag(0, '--turbopack');
+    }
+    if (options.turbo) {
+        setBundlerFlag(0, '--turbo');
+    } else if (process.env.TURBOPACK) {
+        // We don't really want to support this but it is trivial and not really confusing.
+        // If we don't support it and someone sets it, we would have inconsistent behavior
+        // since some parts of next would read the return value of this function and other
+        // parts will read the env variable.
+        setBundlerFlag(0, `TURBOPACK=${process.env.TURBOPACK}`);
+    } else if (process.env.IS_TURBOPACK_TEST) {
+        setBundlerFlag(0, `IS_TURBOPACK_TEST=${process.env.IS_TURBOPACK_TEST}`);
+    }
+    if (options.webpack) {
+        setBundlerFlag(1, '--webpack');
+    }
+    if (process.env.IS_WEBPACK_TEST) {
+        setBundlerFlag(1, `IS_WEBPACK_TEST=${process.env.IS_WEBPACK_TEST}`);
+    }
+    // Mostly this is set via the NextConfig but it can also be set via the command line which is
+    // common for testing.
+    if (process.env.NEXT_RSPACK) {
+        setBundlerFlag(2, `NEXT_RSPACK=${process.env.NEXT_RSPACK}`);
+    }
+    if (process.env.NEXT_TEST_USE_RSPACK) {
+        setBundlerFlag(2, `NEXT_TEST_USE_RSPACK=${process.env.NEXT_TEST_USE_RSPACK}`);
+    }
+    if (bundlerFlags.size > 1) {
+        console.error(`Multiple bundler flags set: ${Array.from(bundlerFlags.values()).flat().join(', ')}.
+
+Edit your command or your package.json script to configure only one bundler.`);
+        process.exit(1);
+    }
+    // The default is turbopack when nothing is configured.
+    if (bundlerFlags.size === 0) {
+        process.env.TURBOPACK = 'auto';
+        return 0;
+    }
+    if (bundlerFlags.has(0)) {
+        // Only conditionally assign to the environment variable, preserving already set values.
+        // If it was set to 'auto' because no flag was set and this function is called a second time we
+        // would upgrade to '1' but we don't really want that.
+        process.env.TURBOPACK ??= '1';
+        return 0;
+    }
+    // Otherwise it is one of rspack or webpack. At this point there must be exactly one key in the map.
+    return bundlerFlags.keys().next().value;
+}
+function finalizeBundlerFromConfig(fromOptions) {
+    // Reading the next config can set NEXT_RSPACK environment variables.
+    if (process.env.NEXT_RSPACK) {
+        return 2;
+    }
+    return fromOptions;
+}
+
+//# sourceMappingURL=bundler.js.map