fix(dynamic import): enforce default export is not falsy

privatenumber · privatenumber · commit e013ed65d10e · 2023-09-14T09:54:54.000+09:00
fixes privatenumber/tsx#281
diff --git a/src/transform/transform-dynamic-import.ts b/src/transform/transform-dynamic-import.ts
@@ -5,7 +5,7 @@ import { parseEsm } from '../utils/es-module-lexer';
 const checkEsModule = `.then((mod)=>{
 	const exports = Object.keys(mod);
 	if(
-		exports.length===1&&exports[0]==='default'&&mod.default.__esModule
+		exports.length===1&&exports[0]==='default'&&mod.default&&mod.default.__esModule
 	){
 		return mod.default
 	}

Original file line number	Diff line number	Diff line change
`@@ -5,7 +5,7 @@ import { parseEsm } from '../utils/es-module-lexer';`
`5`	`5`	const checkEsModule = `.then((mod)=>{
`6`	`6`	`const exports = Object.keys(mod);`
`7`	`7`	`if(`
`8`		`- exports.length===1&&exports[0]==='default'&&mod.default.__esModule`
	`8`	`+ exports.length===1&&exports[0]==='default'&&mod.default&&mod.default.__esModule`
`9`	`9`	`){`
`10`	`10`	`return mod.default`
`11`	`11`	`}`