fix(compiler): add index file resolution for style paths in getAbsolutePath function

Author: dos1in

fe/packages/compiler/__tests__/component-index-style-path.spec.js

@@ -0,0 +1,66 @@
+import { describe, it, expect, beforeEach, afterEach } from 'vitest'
+import fs from 'node:fs'
+import path from 'node:path'
+import os from 'node:os'
+
+describe('目录组件样式路径', () => {
+	let tempDir
+	let originalTargetPath
+
+	beforeEach(() => {
+		originalTargetPath = process.env.TARGET_PATH
+		tempDir = fs.mkdtempSync(path.join(os.tmpdir(), 'component-index-style-path-'))
+	})
+
+	afterEach(() => {
+		if (originalTargetPath) {
+			process.env.TARGET_PATH = originalTargetPath
+		}
+		else {
+			delete process.env.TARGET_PATH
+		}
+
+		if (fs.existsSync(tempDir)) {
+			fs.rmSync(tempDir, { recursive: true, force: true })
+		}
+	})
+
+	it('应该编译目录组件的 index.less', async () => {
+		fs.writeFileSync(path.join(tempDir, 'app.json'), JSON.stringify({
+			pages: ['pages/home/index'],
+		}))
+		fs.writeFileSync(path.join(tempDir, 'project.config.json'), JSON.stringify({
+			appid: 'test-app-id',
+		}))
+
+		fs.mkdirSync(path.join(tempDir, 'pages/home'), { recursive: true })
+		fs.writeFileSync(path.join(tempDir, 'pages/home/index.json'), JSON.stringify({
+			usingComponents: {
+				'c-nav': '/components/nav',
+			},
+		}))
+		fs.writeFileSync(path.join(tempDir, 'pages/home/index.wxml'), '<c-nav />')
+		fs.writeFileSync(path.join(tempDir, 'pages/home/index.wxss'), '')
+
+		fs.mkdirSync(path.join(tempDir, 'components/nav'), { recursive: true })
+		fs.writeFileSync(path.join(tempDir, 'components/nav/index.json'), JSON.stringify({
+			component: true,
+		}))
+		fs.writeFileSync(path.join(tempDir, 'components/nav/index.wxml'), '<view class="nav"></view>')
+		fs.writeFileSync(path.join(tempDir, 'components/nav/index.less'), '.nav { display: flex; }')
+
+		const outputDir = path.join(tempDir, 'dist')
+		fs.mkdirSync(outputDir, { recursive: true })
+		process.env.TARGET_PATH = outputDir
+
+		const { storeInfo, getPages } = await import('../src/env.js')
+		storeInfo(tempDir)
+
+		const { compileSS } = await import('../src/core/style-compiler.js')
+		await compileSS(getPages().mainPages, null, { completedTasks: 0 })
+
+		const output = fs.readFileSync(path.join(outputDir, 'main/pages_home_index.css'), 'utf-8')
+		expect(output).toContain('.nav')
+		expect(output).toContain('display:flex')
+	})
+})

fe/packages/compiler/src/core/style-compiler.js

@@ -264,6 +264,11 @@ function getAbsolutePath(modulePath) {
 		if (fs.existsSync(ssFullPath)) {
 			return ssFullPath
 		}
+
+		const indexSsFullPath = `${workPath}${src}/index${ssType}`
+		if (fs.existsSync(indexSsFullPath)) {
+			return indexSsFullPath
+		}
 	}
 }