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Client 模块

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Web 插件表:dsh-client-modules 中 client 模块系统的 Node 半,以 ctx.clientModulesClientModuleRegistry)形式提供。它扫描宿主 Loader 的 entry,找出声明了 dsh.client 的包,组合出 window.__DSH_BOOT__ entry 图,在 /plugins 下提供带版本的单资源或多资源 combo 脚本,并以启动协议行回应每次 index 注入收集——这是同一个服务的四个面。它是 Web GUI 栈的一项可选能力,不属于 agent loop(智能体循环)主干,并且是 dsh-host-webserver 的消费方:web-server.md 所述的载体提供本服务注册的前缀路由与其回应的 webserver/index-inject 事件。同一个包的浏览器半(ctx.modules,即拉取并物化这些 bundle 的 lazy CJS 模块表)属于内核机件,记录在包 README中,不在本页。

源码:packages/client/modules/src/client/manifest.ts

wire

图是 Node 半与浏览器半之间协议层的唯一真源。宿主从扫描到的包组合出 WebBootEntry 行与 WebBootBatch 描述,随后在 Vite entry 之前向结构化 index 注入表贡献 registration facade、application preload、bootstrap 脚本与图全局量。global 行渲染为 globalThis["__DSH_BOOT__"],其中 < 已转义,插件可控的字符串因此无法逃出 script 元素。没有有效 manifest 的页面无法启动:浏览器解析器会拒绝畸形 row 或批次、未知成员,以及未恰好归属一个初始 combo 描述的 entry。

/**
 * One composed client entry pushed by the host (a graph row). Wire
 * single source: the host node half (package root) produces this same shape.
 * `immediately` marks stage-one prefetch. `inject` names package rows whose
 * factories must arrive before this row materializes, while Cordis separately
 * uses the same package edges to compose entries. `external` carries exact
 * non-inject module requests (see {@link WebBootGraph.entries}).
 */
interface WebBootEntry {
  /** Entry name == package name. */
  id: string
  /** Revisioned single-resource combo endpoint used by HMR. */
  url: string
  /** Opaque plugin-artifact revision used for HMR cache busting. */
  rev: string
  /** Package-name dependency edges used for factory arrival and plugin composition. */
  inject?: string[]
  /** Stage-one prefetch mark: load the script for factory registration during module-face boot. */
  immediately?: boolean
  /** Non-baseline module specifiers this row requests; omitted when it requests none. */
  external?: string[]
}
/** Initial scheduling phase for one content-addressed combo script. */
type WebBootBatchPhase = 'bootstrap' | 'application'
/** One initial combo script; a scheduling phase may span several descriptors. */
interface WebBootBatch {
  /** Parser-blocking bootstrap or preloaded application scheduling. */
  phase: WebBootBatchPhase
  /** Content-addressed combo script endpoint. */
  url: string
  /** Revision over the combined plugin script bytes and indexed source map. */
  rev: string
  /** Graph entry ids whose factories the script registers, in execution order. */
  entries: string[]
}
/** The composed client entry graph the host injects as `window.__DSH_BOOT__`. */
interface WebBootGraph {
  /** Consistency anchor over the whole graph (content + bundle hashes). */
  rev: string
  /**
   * Composed entries in module-graph order — a dynamic package row precedes
   * rows whose `external` requests that package. Cordis activation order is
   * unrelated and remains owned by fiber service waiting.
   */
  entries: WebBootEntry[]
  /** Initial combo descriptors; every entry belongs to exactly one descriptor. */
  batches: WebBootBatch[]
}

每个初始 row 的 rev 都是不透明的进程 nonce 加序号,因此组合图时不会哈希每个插件产物。HMR 观察到变化后,该 row 的 revision 才改为新 bundle 及其可用 sourcemap 的哈希。初始描述把 row 划入 bootstrap 与 application 两个调度阶段,每个阶段都可以包含多条描述。URL 只含有序 package 资源列表与 revision,阶段名不会进入路由。图组合保持 row 顺序,并在 map 形式 URL 超过 3 KiB 前贪心切分。启动 combo revision 对合并后的插件脚本字节与 indexed sourcemap 求哈希,图 revision 则对 row 与描述一并求哈希。immediately 标记第一阶段的 registration barrier;同一 combo 中的 row 共享脚本传输,不同 combo 则独立加载。

扫描

包加入这张表的方式,是在自己的 package.json 中声明 dsh.clientplatform: 'web'、可选的 inject 边、可选的 immediately),并在 exports["./client"] 导出构建好的 bundle。包解析锚定在配置树的 ctx.baseUrl——即 cordis.yml 所在目录,该目录的包把每个被组合的插件声明为依赖——这一锚点未设置时,构造即抛错。

扫描是单包增量的;不存在全量重扫代码路径。fiber 构造或 dispose(资源释放)时的每次 cordis internal/plugin 发射都把该 fiber 的 entry 名标脏,一次微任务 flush 把每个脏名与实时 loader entry 对账。激活趟以全部当前 entry 灌入同一个脏集合并同步 flush,因此初扫与稳态共享一条实现——但失败姿态相反。激活时,已加载 entry 中的畸形声明或缺失 bundle 会聚合为一个大声的 AggregateError,列出每个损坏的包:该 fiber 进入 FAILED,由启动的大声失败 sweep 上报。稳态下,损坏的包只记录一条警告,且不得殃及其他包。

包元数据——包括「非 client 包」这一否定结论——按名缓存且永不过期:插件集合的变更在重启后生效。fiber 重启原样复用其行与 rev;bundle 内容变更只经 rebuilt() 到达图。

bundle 路由与 index 注入

GETHEAD /plugins/??<package-a>/client.js,<package-b>/client.js&rev=<rev> 提供精确生成的 combo 脚本;单资源请求采用同一形式,也是 HMR 路径。其绝对 sourceMappingURL 平行改写每个资源后缀,得到 /plugins/??<package-a>/client.js.map,<package-b>/client.js.map&rev=<rev>。即使只有一个资源,map 仍采用 Indexed Source Map v3。组件有自带 map 时直接用于对应 section;没有时则获得 identity section,其 sourcesContent 是构建后 bundlesource 名取打包后的 sourceURL 或插件路由。每条启动请求 URL 按 UTF-8 字节计算都不超过 3 KiB;切分按更长的 map 形式计算。所有 application URL 都会预加载,所有 bootstrap URL 都会在图全局量与 Vite entry 之前执行。所有已发布响应都使用长期 immutable 缓存。未知或被修改的资源列表、缺少 revision 及陈旧 revision 都返回 404,绝不提供其他字节,也不会让 SPA fallback 把 HTML 当作 JavaScript 返回;其他方法返回 405。注入行在每次 index 渲染时携带当前图,因此重新加载总是基于实时组合启动。

服务

/** Filesystem baseline captured before a client artifact snapshot is read. */
interface ClientArtifactBaseline {
  /** Absolute path of the client bundle. */
  readonly path: string
  /** Bundle modification time in milliseconds. */
  readonly mtimeMs: number
  /** Bundle size in bytes. */
  readonly size: number
  /** Source-map modification time, or null when no map was observable. */
  readonly mapMtimeMs: number | null
  /** Source-map size in bytes, or null when no map was observable. */
  readonly mapSize: number | null
}

ClientModuleRegistryctx.clientModules,定义于 packages/client/modules/src/index.ts)暴露读取面与重建面;签名见生成的服务目录graph() 返回当前组合出的图(两次变更之间是同一个稳定对象),clientPath(id) 返回 bundle 的绝对路径,artifactBaseline(id) 返回读取当前快照前捕获的 bundle/map stat 值。rebuilt(id) 是变化后的 bundle 内容到达图的唯一入口:它只对该产物重新哈希,只有 rev 真正变化才会重新组合图并发出通知。onRebuilt 按发生变化的 bundle 逐个触发并携带新 rev;onGraphChanged 在任何一次重新组合了图的 flush 之后触发(行的增删,或 rebuilt 带来的 rev 变化),并采用拉取模型——监听器自行重读 graph()。两条通知路径都会兜住监听器异常,因此一个抛错的订阅者既不能让后续订阅者被跳过,也不能杀死触发这次 flush 的一方。

开发环境下,dsh-client-hmr 是注册表的监视驱动:它的 Node 半从 module host 读文件前记录的基线出发,对图中每一行的 bundle 与可选 map 做 stat 轮询,只为变化或标脏的 row 调用 rebuilt(id),经 onGraphChanged 重新同步监视集合,并通过 SSEServer-Sent Events)把 rev 变化广播给浏览器半。生产环境的图完全不含 HMR(热模块替换)行;module host 自身从不监视文件。

Cordis API

Generated from source by scripts/gen-cordis-catalog.ts (verified fresh by pnpm run verify-cordis-catalog in doc-sync; regenerate with pnpm run gen-cordis-catalog) — the language sides differ only in locale-specific paired document paths. Signature blocks use a ts cordis-catalog fence and keep the original source JSDoc; dispatch modes are defined in the primer, and the framework-inherited ctx API lives in cordis-api/inherited.md.

ctx.clientModulesClientModuleRegistry

The web plugin table service: incremental dsh.client scan + wire composition + bundle route + index injection rows. Construction runs the activation scan synchronously — a malformed declaration or missing bundle among the already-loaded entries aggregates into one loud throw (FAILED fiber; the boot activation audit reports it).

/**
 * Current composed entry graph (stable object between changes).
 * @returns the graph served as `window.__DSH_BOOT__`.
 */
graph(): WebBootGraph

/**
 * Absolute path of an entry's client bundle.
 * @param id - entry id (package name).
 * @returns the path, or undefined for an unknown id.
 */
clientPath(id: string): string | undefined

/**
 * Filesystem baseline captured before an entry's current bytes were read.
 * HMR compares it with the live files when installing a watch, so a write
 * between startup composition and watch installation cannot disappear into
 * the watcher's initial state.
 * @param id - entry id (package name).
 * @returns the path and baseline, or undefined for an unknown id.
 */
artifactBaseline(id: string): ClientArtifactBaseline | undefined

/**
 * Re-hash one bundle (the HMR watch's registration hook — the only entry
 * point through which bundle content changes reach the graph).
 * @param id - entry id (package name).
 * @returns the new rev, or undefined for an unknown id.
 */
rebuilt(id: string): string | undefined

/**
 * Subscribe to bundle rebuilds; fires only when the re-hash changed the rev.
 * @param listener - receives the entry id and its new bundle rev.
 * @returns the unsubscriber.
 */
onRebuilt(listener: (id: string, rev: string) => void): () => void

/**
 * Fires after any flush that recomposed the graph (row added/removed, or a
 * rebuilt rev change). Pull model: listeners re-read {@link graph}.
 * @param listener - notified with no payload.
 * @returns the unsubscriber.
 */
onGraphChanged(listener: () => void): () => void

Source: packages/client/modules/src/index.ts