resolve esbuild warning

Author: zardoy

buildTsPlugin.mjs

@@ -5,6 +5,9 @@ import { analyzeMetafile } from 'esbuild'
 const result = await buildTsPlugin('typescript', undefined, undefined, {
     minify: !process.argv.includes('--watch'),
     metafile: true,
+    define: {
+        'import.meta': 'null',
+    },
     banner: {
         js: 'let ts, tsFull;',
         // js: 'const log = (...args) => console.log(...args.map(a => JSON.stringify(a)))',