compatible with win

Author: Akiq2016

package.json

@@ -6,7 +6,7 @@
     "start": "jest test --watch",
     "test": "jest test",
     "test:webpack": "cd test && webpack",
-    "test:webpack:ts": "cd test && TEST_EXT=ts webpack",
+    "test:webpack:ts": "cd test && cross-env TEST_EXT=ts webpack",
     "prebuild": "rimraf ./lib && mkdirp ./lib",
     "build:watch": "babel src -o lib/index.js -w",
     "build": "babel src -o lib/index.js",
@@ -40,6 +40,7 @@
     "babel-plugin-transform-es2015-spread": "^6.22.0",
     "babel-preset-es2015": "^6.24.0",
     "babel-preset-stage-0": "^6.22.0",
+    "cross-env": "^5.2.0",
     "eslint": "^4.2.0",
     "eslint-config-standard": "^10.2.1",
     "eslint-loader": "^1.9.0",

src/index.js

@@ -366,10 +366,13 @@ export default class WXAppPlugin {
 		const flatSubEntryResources = [].concat(...subEntryResources.map(v => v));
 		const scripts = entryResources.concat(flatSubEntryResources).map(::this.getFullScriptPath);
 
+		const isWin = scripts.findIndex(v => v.indexOf('\\') >= 0) !== -1;
 		const lastSubDirs = new Set();
 		subEntryResources.forEach((pages, index) => {
 			if (pages.length) {
-				const subDir = pages[0].slice(0, pages[0].lastIndexOf('/') + 1);
+				const subDir = isWin
+					? pages[0].slice(0, pages[0].lastIndexOf('\\') + 1)
+					: pages[0].slice(0, pages[0].lastIndexOf('/') + 1);
 
 				compiler.apply(
 					new CommonsChunkPlugin({
@@ -431,7 +434,12 @@ export default class WXAppPlugin {
 		const globalVar = target.name === 'Alipay' ? 'my' : 'wx';
 		const subEntryResources = [].concat(...this.subEntryResources.map(v => v))
 		const scripts = [].concat(this.entryResources).concat(subEntryResources);
-		const subDirs = this.subEntryResources.filter(v => v.length).map(v => v[0].slice(0, v[0].lastIndexOf('/') + 1));
+		const isWin = scripts.findIndex(v => v.indexOf('\\') >= 0) !== -1;
+		const subDirs = this.subEntryResources
+			.filter(v => v.length)
+			.map(v => isWin
+				? v[0].slice(0, v[0].lastIndexOf('\\') + 1)
+				: v[0].slice(0, v[0].lastIndexOf('/') + 1));
 
 		// inject chunk entries
 		compilation.chunkTemplate.plugin('render', (core, { name }) => {