From 5671190b8e9d0771167873e78a8872378ce21578 Mon Sep 17 00:00:00 2001 From: "Ray.Hao" <1490493387@qq.com> Date: Wed, 12 Aug 2026 18:20:41 +0800 Subject: [PATCH] =?UTF-8?q?refactor:=20=E7=AE=80=E5=8C=96=20optimizeDeps?= =?UTF-8?q?=20=E6=A0=B7=E5=BC=8F=E6=B8=85=E5=8D=95=E7=94=9F=E6=88=90?= =?UTF-8?q?=EF=BC=8C=E5=B7=A5=E5=85=B7=E5=87=BD=E6=95=B0=E7=A7=BB=E8=87=B3?= =?UTF-8?q?=E6=96=87=E4=BB=B6=E5=BA=95=E9=83=A8?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit - 内联一次性小方法：toElementPlusName / collectSideEffects 不再单独定义 - 指令与组件共用组件 resolver：v-loading 等经 ElLoading 解析，已实证与 指令 resolver 的 sideEffects 完全一致，删除指令 resolver 与第二循环 - 工具函数统一放到 defineConfig 之后，文件顶部只保留 imports、常量与主配置 - 行为零变化：生成清单仍为 68 项，与重构前逐字节一致（loadConfigFromFile 回归验证） --- vite.config.ts | 148 +++++++++++++++++++++---------------------------- 1 file changed, 63 insertions(+), 85 deletions(-) diff --git a/vite.config.ts b/vite.config.ts index 618ac061..5429439d 100644 --- a/vite.config.ts +++ b/vite.config.ts @@ -4,7 +4,7 @@ import { type ConfigEnv, type UserConfig, loadEnv, defineConfig } from "vite"; import AutoImport from "unplugin-auto-import/vite"; import Components from "unplugin-vue-components/vite"; -import type { ComponentInfo, ComponentResolverObject } from "unplugin-vue-components"; +import type { ComponentResolverObject } from "unplugin-vue-components"; import { ElementPlusResolver } from "unplugin-vue-components/resolvers"; import { mockDevServerPlugin } from "vite-plugin-mock-dev-server"; @@ -23,90 +23,6 @@ const __APP_INFO__ = { // ESM 模式下使用 import.meta.dirname（Node 20.11+） const pathSrc = resolve(import.meta.dirname, "src"); -// Element Plus 按需样式解析器（与下方 AutoImport/Components 同配置，保证解析结果一致） -const [elementPlusComponentResolver, elementPlusDirectiveResolver] = ElementPlusResolver({ - importStyle: "sass", -}) as [ComponentResolverObject, ComponentResolverObject]; - -/** kebab-case 组件名转 El 前缀 PascalCase：el-button-group → ElButtonGroup */ -function toElementPlusName(kebabName: string): string { - return `El${kebabName - .split("-") - .filter(Boolean) - .map((part) => part.charAt(0).toUpperCase() + part.slice(1)) - .join("")}`; -} - -/** 收集 resolver 解析出的样式副作用路径（sideEffects 支持 string / ImportInfo / 数组） */ -function collectSideEffects(resolved: ComponentInfo | string, styleImports: Set): void { - if (typeof resolved === "string") return; // Element Plus 返回 ComponentInfo，字符串路径防御性跳过 - const { sideEffects } = resolved; - if (!sideEffects) return; - if (Array.isArray(sideEffects)) { - for (const effect of sideEffects) { - styleImports.add(typeof effect === "string" ? effect : effect.from); - } - } else { - styleImports.add(typeof sideEffects === "string" ? sideEffects : sideEffects.from); - } -} - -// 扫描 src 实际用到的 Element Plus 组件/指令，经 resolver 解析出样式预构建清单。 -// 与硬编码清单作用等价（首启预构建、避免首次使用时页面刷新），但随源码用法自动增删。 -async function collectElementPlusStyleImports(): Promise { - const files: string[] = []; - const walk = (dir: string) => { - for (const entry of fs.readdirSync(dir, { withFileTypes: true })) { - if (entry.isDirectory()) { - walk(resolve(dir, entry.name)); - } else if (/\.(vue|ts|tsx|js|jsx)$/.test(entry.name)) { - files.push(resolve(dir, entry.name)); - } - } - }; - walk(pathSrc); - - const componentNames = new Set(); - const directiveNames = new Set(); - - for (const file of files) { - const source = fs.readFileSync(file, "utf-8"); - - // / 等 kebab-case 标签 - for (const match of source.matchAll(/ / 等 PascalCase 标签 - for (const match of source.matchAll(/<([A-Z][A-Za-z0-9]*)/g)) { - if (match[1].startsWith("El")) componentNames.add(match[1]); - } - // ElMessage / ElMessageBox / ElLoading 等脚本标识符 - for (const match of source.matchAll(/\bEl[A-Z][A-Za-z0-9]*\b/g)) { - componentNames.add(match[0]); - } - // v-loading / v-popover / v-infinite-scroll 指令 - for (const match of source.matchAll(/\bv-(loading|popover|infinite-scroll)\b/g)) { - directiveNames.add( - match[1] - .split("-") - .map((part) => part.charAt(0).toUpperCase() + part.slice(1)) - .join("") - ); - } - } - - const styleImports = new Set(); - for (const name of componentNames) { - const resolved = await elementPlusComponentResolver.resolve(name); - if (resolved) collectSideEffects(resolved, styleImports); - } - for (const name of directiveNames) { - const resolved = await elementPlusDirectiveResolver.resolve(name); - if (resolved) collectSideEffects(resolved, styleImports); - } - return [...styleImports]; -} - // Vite配置 https://cn.vitejs.dev/config export default defineConfig(async ({ mode }: ConfigEnv): Promise => { const env = loadEnv(mode, process.cwd()); @@ -248,3 +164,65 @@ export default defineConfig(async ({ mode }: ConfigEnv): Promise => }, }; }); + +// ── 工具函数 ────────────────────────────────────────────────────────────── +// Element Plus 按需样式解析器（与上方 AutoImport/Components 同配置，保证解析结果一致） +const elementPlusComponentResolver = ElementPlusResolver({ + importStyle: "sass", +})[0] as ComponentResolverObject; + +// 扫描 src 实际用到的 Element Plus 组件/指令，经 resolver 解析出 base + 组件样式路径， +// 供 optimizeDeps 首启预构建，避免首次使用某组件时重优化导致页面刷新。 +// 指令统一转成组件名解析（v-loading → ElLoading），与组件共用同一 resolver。 +async function collectElementPlusStyleImports(): Promise { + const files: string[] = []; + const walk = (dir: string) => { + for (const entry of fs.readdirSync(dir, { withFileTypes: true })) { + if (entry.isDirectory()) { + walk(resolve(dir, entry.name)); + } else if (/\.(vue|ts|tsx|js|jsx)$/.test(entry.name)) { + files.push(resolve(dir, entry.name)); + } + } + }; + walk(pathSrc); + + // kebab-case 名转 El 前缀 PascalCase：el-button-group → ElButtonGroup + const toPascalName = (kebab: string) => + `El${kebab + .split("-") + .filter(Boolean) + .map((part) => part.charAt(0).toUpperCase() + part.slice(1)) + .join("")}`; + + const names = new Set(); + for (const file of files) { + const source = fs.readFileSync(file, "utf-8"); + + for (const match of source.matchAll(/ / + } + for (const match of source.matchAll(/<([A-Z][A-Za-z0-9]*)/g)) { + if (match[1].startsWith("El")) names.add(match[1]); // / + } + for (const match of source.matchAll(/\bEl[A-Z][A-Za-z0-9]*\b/g)) { + names.add(match[0]); // ElMessage / ElMessageBox 等脚本标识符 + } + for (const match of source.matchAll(/\bv-(loading|popover|infinite-scroll)\b/g)) { + names.add(toPascalName(match[1])); // v-loading → ElLoading + } + } + + // 每个名字经 resolver 解析出的副作用即所需样式路径（sideEffects 支持 string / ImportInfo / 数组） + const styleImports = new Set(); + for (const name of names) { + const resolved = await elementPlusComponentResolver.resolve(name); + if (!resolved || typeof resolved === "string") continue; + const { sideEffects } = resolved; + if (!sideEffects) continue; + for (const effect of Array.isArray(sideEffects) ? sideEffects : [sideEffects]) { + styleImports.add(typeof effect === "string" ? effect : effect.from); + } + } + return [...styleImports]; +}