astro/dist/core/build/plugins/plugin-scripts.js

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

import { shouldInlineAsset } from "./util.js";
import { ASTRO_VITE_ENVIRONMENT_NAMES } from "../../constants.js";
function chunkHasDynamicImports(output, getModuleInfo) {
  return output.dynamicImports.length > 0 || output.moduleIds.some((id) => (getModuleInfo(id)?.dynamicallyImportedIds.length ?? 0) > 0);
}
function shouldInlineScriptChunk(output, {
  discoveredScripts,
  importedIds,
  assetInlineLimit,
  getModuleInfo
}) {
  const facadeModuleId = output.facadeModuleId;
  if (facadeModuleId === null) return false;
  return discoveredScripts.has(facadeModuleId) && !importedIds.has(output.fileName) && output.imports.length === 0 && !chunkHasDynamicImports(output, getModuleInfo) && shouldInlineAsset(output.code, output.fileName, assetInlineLimit);
}
function pluginScripts(internals) {
  let assetInlineLimit;
  return {
    name: "@astro/plugin-scripts",
    applyToEnvironment(environment) {
      return environment.name === ASTRO_VITE_ENVIRONMENT_NAMES.client;
    },
    configResolved(config) {
      assetInlineLimit = config.build.assetsInlineLimit;
    },
    async generateBundle(_options, bundle) {
      const outputs = Object.values(bundle);
      const importedIds = /* @__PURE__ */ new Set();
      for (const output of outputs) {
        if (output.type === "chunk") {
          for (const id of output.imports) {
            importedIds.add(id);
          }
        }
      }
      const getModuleInfo = this.getModuleInfo.bind(this);
      for (const output of outputs) {
        if (output.type === "chunk" && shouldInlineScriptChunk(output, {
          discoveredScripts: internals.discoveredScripts,
          importedIds,
          assetInlineLimit,
          getModuleInfo
        })) {
          internals.inlinedScripts.set(output.facadeModuleId, output.code.trim());
          delete bundle[output.fileName];
        }
      }
    }
  };
}
export {
  chunkHasDynamicImports,
  pluginScripts,
  shouldInlineScriptChunk
};