.

node_modules/next/dist/esm/build/webpack-config-rules/resolve.js

@@ -0,0 +1,33 @@
+import { COMPILER_NAMES } from '../../shared/lib/constants';
+export const edgeConditionName = 'edge-light';
+const mainFieldsPerCompiler = {
+    // For default case, prefer CJS over ESM on server side. e.g. pages dir SSR
+    [COMPILER_NAMES.server]: [
+        'main',
+        'module'
+    ],
+    [COMPILER_NAMES.client]: [
+        'browser',
+        'module',
+        'main'
+    ],
+    // For bundling-all strategy, prefer ESM over CJS
+    'server-esm': [
+        'module',
+        'main'
+    ]
+};
+export function getMainField(compilerType, preferEsm) {
+    if (compilerType === COMPILER_NAMES.edgeServer) {
+        return [
+            'edge-light',
+            '...'
+        ];
+    } else if (compilerType === COMPILER_NAMES.client) {
+        return mainFieldsPerCompiler[COMPILER_NAMES.client];
+    }
+    // Prefer module fields over main fields for isomorphic packages on server layer
+    return preferEsm ? mainFieldsPerCompiler['server-esm'] : mainFieldsPerCompiler[COMPILER_NAMES.server];
+}
+
+//# sourceMappingURL=resolve.js.map