更新

TongjiUniApp/node_modules/less/lib/less-node/environment.js

@@ -0,0 +1,43 @@
+import { createRequire } from 'module';
+
+const require = createRequire(import.meta.url);
+
+class SourceMapGeneratorFallback {
+    addMapping(){}
+    setSourceContent(){}
+    toJSON(){
+        return null;
+    }
+}
+
+export default {
+    encodeBase64: function encodeBase64(str) {
+        // Avoid Buffer constructor on newer versions of Node.js.
+        const buffer = (Buffer.from ? Buffer.from(str) : (new Buffer(str)));
+        return buffer.toString('base64');
+    },
+    mimeLookup: function (filename) {
+        try {
+            const mimeModule = require('mime');
+            return mimeModule ? mimeModule.lookup(filename) : 'application/octet-stream';
+        } catch (e) {
+            return 'application/octet-stream';
+        }
+    },
+    charsetLookup: function (mime) {
+        try {
+            const mimeModule = require('mime');
+            return mimeModule ? mimeModule.charsets.lookup(mime) : undefined;
+        } catch (e) {
+            return undefined;
+        }
+    },
+    getSourceMapGenerator: function getSourceMapGenerator() {
+        try {
+            const sourceMapModule = require('source-map');
+            return sourceMapModule ? sourceMapModule.SourceMapGenerator : SourceMapGeneratorFallback;
+        } catch (e) {
+            return SourceMapGeneratorFallback;
+        }
+    }
+};