From 3fa40ecb69d89e4e5efc532e2bdc3a260c1fec4e Mon Sep 17 00:00:00 2001
From: Yu Chao Liang <liangyuchao@qiniu.com>
Date: Sat, 9 Mar 2019 01:57:06 +0800
Subject: [PATCH] - if output.file not exist use output.dir

---
 src/index.ts | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/index.ts b/src/index.ts
index 3133836d..abcc4eb6 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -283,7 +283,7 @@ const typescript: PluginImpl<Partial<IOptions>> = (options) =>
 			generateRound++;
 		},
 
-		_onwrite({ file }: OutputOptions): void
+		_onwrite({ file, dir }: OutputOptions): void
 		{
 			if (parsedConfig.options.declaration)
 			{
@@ -300,6 +300,7 @@ const typescript: PluginImpl<Partial<IOptions>> = (options) =>
 				});
 
 				const bundleFile = file;
+				const outputDir = dir;
 
 				const writeDeclaration = (key: string, extension: string, entry?: tsTypes.OutputFile) =>
 				{
@@ -313,12 +314,12 @@ const typescript: PluginImpl<Partial<IOptions>> = (options) =>
 					let writeToPath: string;
 					// If for some reason no 'dest' property exists or if 'useTsconfigDeclarationDir' is given in the plugin options,
 					// use the path provided by Typescript's LanguageService.
-					if (!bundleFile || pluginOptions.useTsconfigDeclarationDir)
+					if ((!bundleFile && !outputDir) || pluginOptions.useTsconfigDeclarationDir)
 						writeToPath = fileName;
 					else
 					{
 						// Otherwise, take the directory name from the path and make sure it is absolute.
-						const destDirname = dirname(bundleFile);
+						const destDirname = bundleFile ? dirname(bundleFile) : <string>outputDir;
 						const destDirectory = isAbsolute(destDirname) ? destDirname : join(process.cwd(), destDirname);
 						writeToPath = join(destDirectory, relative(process.cwd(), fileName));
 					}