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@142vip/cdn

v0.0.1-alpha.2

Published

142vip CDN 静态资源与 URL 工具(media / vip-main JSON + getCdnUrl)

Readme

@142vip/cdn

142vip 图床 npm 包:npm 包内静态资源 + CDN URL 工具,支持 ESM / CJS。

包含 apps/media 图片资源与 apps/vip-main JSON 数据(如 photos.json)。

安装

pnpm add @142vip/cdn

最佳实践

| 场景 | 推荐方式 | | --- | --- | | 前端页面、组件内图片 | import 包内 media 资源,随项目构建与缓存 | | 前端读取照片墙 JSON | import @142vip/cdn/vip-main/photos.json | | 需要统一资源 key、类型提示 | MEDIA_SRC / VIP_MAIN_SRC | | 线上文档、邮件、API 返回 JSON CDN 链接 | VIP_MAIN_CDNgetVipMainProductionCdnUrl | | 线上文档、邮件、API 返回图片 CDN 链接 | getProductionCdnUrl(main + Statically) | | 联调 next 分支未发布资源 | getDevelopmentCdnUrl(next + Statically) | | 切换 CDN 域名或分支 | getCdnUrl(path, { host, branch }) |

优先 import,其次 CDN 外链。 前端项目应尽量走 npm 包静态资源,减少对外部 CDN 的运行时依赖。

前端:import 资源

<script setup lang="ts">
import githubIcon from '@142vip/cdn/media/svg/github.svg'
import wechatCode from '@142vip/cdn/media/wechat/chu-fan-code.jpg'
</script>

<template>
  <img :src="githubIcon" alt="GitHub">
  <img :src="wechatCode" alt="微信公众号">
</template>

类型安全的资源 key

MEDIA_SRC 由仓库 apps/media 同步生成:

import { MEDIA_SRC } from '@142vip/cdn'

const githubPath = MEDIA_SRC.svg.github
// '@142vip/cdn/media/svg/github.svg' — 供 bundler 解析或动态 import

vip-main JSON(photos.json)

VIP_MAIN_SRC / VIP_MAIN_CDN 由仓库 apps/vip-main 同步生成:

import {
  getVipMainProductionCdnUrl,
  VIP_MAIN_CDN,
  VIP_MAIN_SRC,
} from '@142vip/cdn'
import photos from '@142vip/cdn/vip-main/photos.json'

const items = photos

// 包内 import 路径
const photosExport = VIP_MAIN_SRC.photos
// '@142vip/cdn/vip-main/photos.json'

// CDN 外链
const prodUrl = VIP_MAIN_CDN.photos.production
// 或
const prodUrl2 = getVipMainProductionCdnUrl('photos.json')

CDN 外链

路径相对于 apps/,不含 apps/ 前缀;域名见 CdnHostEnum

import {
  CdnHostEnum,
  getCdnUrl,
  getDevelopmentCdnUrl,
  getProductionCdnUrl,
  resolveCdnHost,
} from '@142vip/cdn'

const prodUrl = getProductionCdnUrl('media/svg/github.svg')
const devUrl = getDevelopmentCdnUrl('media/wechat/chu-fan-code.jpg')
const customUrl = getCdnUrl('media/svg/github.svg', {
  host: CdnHostEnum.JsDelivr,
  branch: 'main',
})

// 应用配置解析(非法 host 回退默认 Fastly)
const host = resolveCdnHost(process.env.VITE_CDN_HOST)

Node.js(ESM / CJS)

import { getProductionCdnUrl, MEDIA_SRC } from '@142vip/cdn'

export const avatarUrl = getProductionCdnUrl('media/wechat/chu-fan-code.jpg')
export const githubExport = MEDIA_SRC.svg.github
const { getProductionCdnUrl } = require('@142vip/cdn')

module.exports.wechatUrl = getProductionCdnUrl('media/wechat/chu-fan-code.jpg')

API

| 导出 | 说明 | | --- | --- | | MEDIA_SRC / MediaSrc | media 资源路径映射 | | VIP_MAIN_SRC / VipMainSrc | vip-main JSON 包内路径映射 | | VIP_MAIN_CDN / VipMainCdn | vip-main JSON CDN 链接(production / development) | | mediaExportPath(path) | 构造 media 包内 export 路径 | | vipMainExportPath(path) | 构造 vip-main JSON 包内 export 路径 | | getVipMainCdnUrl(path, options?) | vip-main JSON CDN URL | | getVipMainProductionCdnUrl(path, host?) | vip-main JSON 生产环境 CDN URL | | getVipMainDevelopmentCdnUrl(path, host?) | vip-main JSON 开发环境 CDN URL | | getCdnBase(options?) | CDN apps 根 URL | | getCdnUrl(path, options?) | 完整 CDN 文件 URL | | getProductionCdnUrl(path, host?) | 生产环境(main) | | getDevelopmentCdnUrl(path, host?) | 开发环境(next) | | getDefaultCdnHost() | 默认 CDN 域名(CdnHostEnum.Fastly) | | getDefaultCdnBranch() | 默认 next | | getCdnDomains() | 可选 CDN 域名列表 | | CdnHostEnum | CDN 镜像域名枚举 | | resolveCdnHost(host?, fallback?) | 解析应用配置的 CDN 域名 | | buildCdnPublicBaseUrl(owner, repo, branch, host?) | 仓库根 URL(不含 /apps) | | getCdnProductionRepoRoot(host?) | 生产分支 cdn_service 仓库根 | | isCdnServicePublicUrl(url) | 是否为 cdn_service 公开静态 URL | | getCdnAllowedHosts() | URL 校验白名单 host 列表 |

升级替换

若从旧版 @142vip/cdn 升级,按下列方式替换:

| 已移除 | 替换为 | | --- | --- | | VipCdnHost.FastlyJsDelivr | CdnHostEnum.Fastly | | VipCdnHost.Statically | CdnHostEnum.Statically | | CDN_DEFAULT_HOST | getDefaultCdnHost()CDN_CONFIG.defaultHost | | resolveVipCdnHost(host, fallback?) | resolveCdnHost(host, fallback?) | | buildProductionCdnAssetUrl(path, host) | getProductionCdnUrl(path, host) | | LifePhotoItem(类型) | 在业务项目内自行定义,或直接 import JSON 使用 |

resolveCdnHost 会校验 CdnHostEnum 中的全部 host(含 jsDelivr),非法值回退 fallback(默认 Fastly)。

import { resolveVipCdnHost, VipCdnHost } from '@142vip/cdn'

const host = resolveVipCdnHost(envHost, VipCdnHost.FastlyJsDelivr)
import { getDefaultCdnHost, resolveCdnHost } from '@142vip/cdn'

const host = resolveCdnHost(envHost, getDefaultCdnHost())
// 显式 fallback:resolveCdnHost(envHost, CdnHostEnum.Fastly)

本仓库维护

在 monorepo 根目录:pnpm sync:cdn · pnpm build:cdn · pnpm prepublish:cdn · pnpm publish:cdn

同步机制

pnpm sync:cdnscripts/sync-media.ts)会:

  1. 复制 apps/media/packages/cdn/assets/media/,生成 MEDIA_SRC
  2. 扫描 apps/vip-main/**/*.jsonpackages/cdn/assets/vip-main/,生成 VIP_MAIN_SRCVIP_MAIN_CDN

assets/ 目录在 gitignore 中,发布 npm 前须执行 pnpm build:cdn。新增 vip-main JSON 文件会自动纳入同步。

package exports

"./media/*": "./assets/media/*",
"./vip-main/*": "./assets/vip-main/*"

新增 CDN 域名:在 src/config.ts 扩展 CdnHostEnumCDN_DOMAIN_LABELS

证书

MIT © 2019-present 142vip 储凡