astro/dist/core/base-pipeline.js

Astro is a modern site builder with web best practices, performance, and DX front-of-mind.

import { NOOP_ACTIONS_MOD } from "../actions/noop-actions.js";
import { createI18nMiddleware } from "../i18n/middleware.js";
import { createOriginCheckMiddleware } from "./app/middlewares.js";
import { ActionNotFoundError } from "./errors/errors-data.js";
import { AstroError } from "./errors/index.js";
import { NOOP_MIDDLEWARE_FN } from "./middleware/noop-middleware.js";
import { sequence } from "./middleware/sequence.js";
import { RouteCache } from "./render/route-cache.js";
import { createDefaultRoutes } from "./routing/default.js";
class Pipeline {
  constructor(logger, manifest, runtimeMode, renderers, resolve, serverLike, streaming, adapterName = manifest.adapterName, clientDirectives = manifest.clientDirectives, inlinedScripts = manifest.inlinedScripts, compressHTML = manifest.compressHTML, i18n = manifest.i18n, middleware = manifest.middleware, routeCache = new RouteCache(logger, runtimeMode), site = manifest.site ? new URL(manifest.site) : void 0, defaultRoutes = createDefaultRoutes(manifest), actions = manifest.actions) {
    this.logger = logger;
    this.manifest = manifest;
    this.runtimeMode = runtimeMode;
    this.renderers = renderers;
    this.resolve = resolve;
    this.serverLike = serverLike;
    this.streaming = streaming;
    this.adapterName = adapterName;
    this.clientDirectives = clientDirectives;
    this.inlinedScripts = inlinedScripts;
    this.compressHTML = compressHTML;
    this.i18n = i18n;
    this.middleware = middleware;
    this.routeCache = routeCache;
    this.site = site;
    this.defaultRoutes = defaultRoutes;
    this.actions = actions;
    this.internalMiddleware = [];
    if (i18n?.strategy !== "manual") {
      this.internalMiddleware.push(
        createI18nMiddleware(i18n, manifest.base, manifest.trailingSlash, manifest.buildFormat)
      );
    }
  }
  internalMiddleware;
  resolvedMiddleware = void 0;
  resolvedActions = void 0;
  /**
   * Resolves the middleware from the manifest, and returns the `onRequest` function. If `onRequest` isn't there,
   * it returns a no-op function
   */
  async getMiddleware() {
    if (this.resolvedMiddleware) {
      return this.resolvedMiddleware;
    } else if (this.middleware) {
      const middlewareInstance = await this.middleware();
      const onRequest = middlewareInstance.onRequest ?? NOOP_MIDDLEWARE_FN;
      if (this.manifest.checkOrigin) {
        this.resolvedMiddleware = sequence(createOriginCheckMiddleware(), onRequest);
      } else {
        this.resolvedMiddleware = onRequest;
      }
      return this.resolvedMiddleware;
    } else {
      this.resolvedMiddleware = NOOP_MIDDLEWARE_FN;
      return this.resolvedMiddleware;
    }
  }
  setActions(actions) {
    this.resolvedActions = actions;
  }
  async getActions() {
    if (this.resolvedActions) {
      return this.resolvedActions;
    } else if (this.actions) {
      return await this.actions();
    }
    return NOOP_ACTIONS_MOD;
  }
  async getAction(path) {
    const pathKeys = path.split(".").map((key) => decodeURIComponent(key));
    let { server } = await this.getActions();
    if (!server || !(typeof server === "object")) {
      throw new TypeError(
        `Expected \`server\` export in actions file to be an object. Received ${typeof server}.`
      );
    }
    for (const key of pathKeys) {
      if (!(key in server)) {
        throw new AstroError({
          ...ActionNotFoundError,
          message: ActionNotFoundError.message(pathKeys.join("."))
        });
      }
      server = server[key];
    }
    if (typeof server !== "function") {
      throw new TypeError(
        `Expected handler for action ${pathKeys.join(".")} to be a function. Received ${typeof server}.`
      );
    }
    return server;
  }
}
export {
  Pipeline
};