fix: TypeError: Cannot read property 'watchFileSystem' of undefined

Author: 吴浩麟

lib/WebPlugin.js

@@ -86,15 +86,14 @@ class WebPlugin {
 		// user may use Default template
 		if (typeof options.template === 'string') {
 			// watch for file changed event
-			compiler.hooks.watchRun.tap('WebPlugin', (watching, done) => {
+			compiler.hooks.watchRun.tap('WebPlugin', (watching) => {
 				// 发生变化的文件列表
-				const changedTimes = watching.compiler.watchFileSystem.watcher.mtimes;
+				const changedTimes = watching.watchFileSystem.watcher.mtimes;
 				// 如果 HTML 模版文件发生了变化就重新编译模版文件
 				if (changedTimes[options.template] !== undefined) {
 					// html template file has changed, re build this.htmlDocument
 					this.buildHtmlDocument();
 				}
-				done();
 			});
 
 			// add html template file to file dependencies after compile, to let webpack watch html template file change and emit watch-run event

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "web-webpack-plugin",
-	"version": "4.0.0",
+	"version": "4.0.1",
 	"description": "web plugin for webpack, alternatives for html-webpack-plugin, use HTML as entry",
 	"keywords": [
 		"webpack",