"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

function _plugin() {
  const data = require("@parcel/plugin");

  _plugin = function () {
    return data;
  };

  return data;
}

function _utils() {
  const data = require("@parcel/utils");

  _utils = function () {
    return data;
  };

  return data;
}

function _path() {
  const data = _interopRequireDefault(require("path"));

  _path = function () {
    return data;
  };

  return data;
}

function _nullthrows() {
  const data = _interopRequireDefault(require("nullthrows"));

  _nullthrows = function () {
    return data;
  };

  return data;
}

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

// Used for as="" in preload/prefetch
const TYPE_TO_RESOURCE_PRIORITY = {
  css: 'style',
  js: 'script'
};
const BROWSER_PRELOAD_LOADER = './helpers/browser/preload-loader';
const BROWSER_PREFETCH_LOADER = './helpers/browser/prefetch-loader';
const LOADERS = {
  browser: {
    css: './helpers/browser/css-loader',
    html: './helpers/browser/html-loader',
    js: './helpers/browser/js-loader',
    wasm: './helpers/browser/wasm-loader',
    IMPORT_POLYFILL: './helpers/browser/import-polyfill'
  },
  worker: {
    js: './helpers/worker/js-loader',
    wasm: './helpers/worker/wasm-loader',
    IMPORT_POLYFILL: false
  },
  node: {
    css: './helpers/node/css-loader',
    html: './helpers/node/html-loader',
    js: './helpers/node/js-loader',
    wasm: './helpers/node/wasm-loader',
    IMPORT_POLYFILL: null
  }
};

function getLoaders(ctx) {
  if (ctx.isWorker()) return LOADERS.worker;
  if (ctx.isBrowser()) return LOADERS.browser;
  if (ctx.isNode()) return LOADERS.node;
  return null;
} // This cache should be invalidated if new dependencies get added to the bundle without the bundle objects changing
// This can happen when we reuse the BundleGraph between subsequent builds


let bundleDependencies = new WeakMap();

var _default = new (_plugin().Runtime)({
  apply({
    bundle,
    bundleGraph,
    options
  }) {
    // Dependency ids in code replaced with referenced bundle names
    // Loader runtime added for bundle groups that don't have a native loader (e.g. HTML/CSS/Worker - isURL?),
    // and which are not loaded by a parent bundle.
    // Loaders also added for modules that were moved to a separate bundle because they are a different type
    // (e.g. WASM, HTML). These should be preloaded prior to the bundle being executed. Replace the entry asset(s)
    // with the preload module.
    if (bundle.type !== 'js') {
      return;
    }

    let {
      asyncDependencies,
      otherDependencies
    } = getDependencies(bundle);
    let assets = [];

    for (let dependency of asyncDependencies) {
      let resolved = bundleGraph.resolveAsyncDependency(dependency, bundle);

      if (resolved == null) {
        continue;
      }

      if (resolved.type === 'asset') {
        if (!bundle.env.shouldScopeHoist) {
          // If this bundle already has the asset this dependency references,
          // return a simple runtime of `Promise.resolve(internalRequire(assetId))`.
          // The linker handles this for scope-hoisting.
          assets.push({
            filePath: __filename,
            code: `module.exports = Promise.resolve(module.bundle.root(${JSON.stringify(bundleGraph.getAssetPublicId(resolved.value))}))`,
            dependency,
            env: {
              sourceType: 'module'
            }
          });
        }
      } else {
        // Resolve the dependency to a bundle. If inline, export the dependency id,
        // which will be replaced with the contents of that bundle later.
        let referencedBundle = bundleGraph.getReferencedBundle(dependency, bundle);

        if ((referencedBundle === null || referencedBundle === void 0 ? void 0 : referencedBundle.bundleBehavior) === 'inline') {
          assets.push({
            filePath: _path().default.join(__dirname, `/bundles/${referencedBundle.id}.js`),
            code: `module.exports = Promise.resolve(${JSON.stringify(dependency.id)});`,
            dependency,
            env: {
              sourceType: 'module'
            }
          });
          continue;
        }

        let loaderRuntime = getLoaderRuntime({
          bundle,
          dependency,
          bundleGraph,
          bundleGroup: resolved.value,
          options
        });

        if (loaderRuntime != null) {
          assets.push(loaderRuntime);
        }
      }
    }

    for (let dependency of otherDependencies) {
      var _dependency$meta;

      // Resolve the dependency to a bundle. If inline, export the dependency id,
      // which will be replaced with the contents of that bundle later.
      let referencedBundle = bundleGraph.getReferencedBundle(dependency, bundle);

      if ((referencedBundle === null || referencedBundle === void 0 ? void 0 : referencedBundle.bundleBehavior) === 'inline') {
        assets.push({
          filePath: _path().default.join(__dirname, `/bundles/${referencedBundle.id}.js`),
          code: `module.exports = ${JSON.stringify(dependency.id)};`,
          dependency,
          env: {
            sourceType: 'module'
          }
        });
        continue;
      } // Otherwise, try to resolve the dependency to an external bundle group
      // and insert a URL to that bundle.


      let resolved = bundleGraph.resolveAsyncDependency(dependency, bundle);

      if (dependency.specifierType === 'url' && resolved == null) {
        // If a URL dependency was not able to be resolved, add a runtime that
        // exports the original specifier.
        assets.push({
          filePath: __filename,
          code: `module.exports = ${JSON.stringify(dependency.specifier)}`,
          dependency,
          env: {
            sourceType: 'module'
          }
        });
        continue;
      }

      if (resolved == null || resolved.type !== 'bundle_group') {
        continue;
      }

      let bundleGroup = resolved.value;
      let mainBundle = (0, _nullthrows().default)(bundleGraph.getBundlesInBundleGroup(bundleGroup).find(b => {
        let entries = b.getEntryAssets();
        return entries.some(e => bundleGroup.entryAssetId === e.id);
      })); // Skip URL runtimes for library builds. This is handled in packaging so that
      // the url is inlined and statically analyzable.

      if (bundle.env.isLibrary && ((_dependency$meta = dependency.meta) === null || _dependency$meta === void 0 ? void 0 : _dependency$meta.placeholder) != null) {
        continue;
      } // URL dependency or not, fall back to including a runtime that exports the url


      assets.push(getURLRuntime(dependency, bundle, mainBundle, options));
    } // In development, bundles can be created lazily. This means that the parent bundle may not
    // know about all of the sibling bundles of a child when it is written for the first time.
    // Therefore, we need to also ensure that the siblings are loaded when the child loads.


    if (options.shouldBuildLazily && bundle.env.outputFormat === 'global') {
      let referenced = bundleGraph.getReferencedBundles(bundle);

      for (let referencedBundle of referenced) {
        let loaders = getLoaders(bundle.env);

        if (!loaders) {
          continue;
        }

        let loader = loaders[referencedBundle.type];

        if (!loader) {
          continue;
        }

        let relativePathExpr = getRelativePathExpr(bundle, referencedBundle, options);
        let loaderCode = `require(${JSON.stringify(loader)})( ${getAbsoluteUrlExpr(relativePathExpr, bundle)})`;
        assets.push({
          filePath: __filename,
          code: loaderCode,
          isEntry: true,
          env: {
            sourceType: 'module'
          }
        });
      }
    }

    if (shouldUseRuntimeManifest(bundle, options) && bundleGraph.getChildBundles(bundle).some(b => b.bundleBehavior !== 'inline') && isNewContext(bundle, bundleGraph)) {
      assets.push({
        filePath: __filename,
        code: getRegisterCode(bundle, bundleGraph),
        isEntry: true,
        env: {
          sourceType: 'module'
        }
      });
    }

    return assets;
  }

});

exports.default = _default;

function getDependencies(bundle) {
  let cachedDependencies = bundleDependencies.get(bundle);

  if (cachedDependencies) {
    return cachedDependencies;
  } else {
    let asyncDependencies = [];
    let otherDependencies = [];
    bundle.traverse(node => {
      if (node.type !== 'dependency') {
        return;
      }

      let dependency = node.value;

      if (dependency.priority === 'lazy' && dependency.specifierType !== 'url') {
        asyncDependencies.push(dependency);
      } else {
        otherDependencies.push(dependency);
      }
    });
    bundleDependencies.set(bundle, {
      asyncDependencies,
      otherDependencies
    });
    return {
      asyncDependencies,
      otherDependencies
    };
  }
}

function getLoaderRuntime({
  bundle,
  dependency,
  bundleGroup,
  bundleGraph,
  options
}) {
  let loaders = getLoaders(bundle.env);

  if (loaders == null) {
    return;
  }

  let externalBundles = bundleGraph.getBundlesInBundleGroup(bundleGroup);
  let mainBundle = (0, _nullthrows().default)(externalBundles.find(bundle => {
    var _bundle$getMainEntry;

    return ((_bundle$getMainEntry = bundle.getMainEntry()) === null || _bundle$getMainEntry === void 0 ? void 0 : _bundle$getMainEntry.id) === bundleGroup.entryAssetId;
  })); // CommonJS is a synchronous module system, so there is no need to load bundles in parallel.
  // Importing of the other bundles will be handled by the bundle group entry.
  // Do the same thing in library mode for ES modules, as we are building for another bundler
  // and the imports for sibling bundles will be in the target bundle.
  // Also do this when building lazily or the runtime itself could get deduplicated and only
  // exist in the parent. This causes errors if an old version of the parent without the runtime
  // is already loaded.

  if (bundle.env.outputFormat === 'commonjs' || bundle.env.isLibrary || options.shouldBuildLazily) {
    externalBundles = [mainBundle];
  } else {
    // Otherwise, load the bundle group entry after the others.
    externalBundles.splice(externalBundles.indexOf(mainBundle), 1);
    externalBundles.reverse().push(mainBundle);
  } // Determine if we need to add a dynamic import() polyfill, or if all target browsers support it natively.


  let needsDynamicImportPolyfill = !bundle.env.isLibrary && !bundle.env.supports('dynamic-import', true);
  let loaderModules = externalBundles.map(to => {
    let loader = loaders[to.type];

    if (!loader) {
      return;
    }

    let relativePathExpr = getRelativePathExpr(bundle, to, options); // Use esmodule loader if possible

    if (to.type === 'js' && to.env.outputFormat === 'esmodule') {
      if (!needsDynamicImportPolyfill) {
        return `__parcel__import__("./" + ${relativePathExpr})`;
      }

      loader = (0, _nullthrows().default)(loaders.IMPORT_POLYFILL, `No import() polyfill available for context '${bundle.env.context}'`);
    } else if (to.type === 'js' && to.env.outputFormat === 'commonjs') {
      return `Promise.resolve(__parcel__require__("./" + ${relativePathExpr}))`;
    }

    let code = `require(${JSON.stringify(loader)})(${getAbsoluteUrlExpr(relativePathExpr, bundle)})`; // In development, clear the require cache when an error occurs so the
    // user can try again (e.g. after fixing a build error).

    if (options.mode === 'development' && bundle.env.outputFormat === 'global') {
      code += '.catch(err => {delete module.bundle.cache[module.id]; throw err;})';
    }

    return code;
  }).filter(Boolean);

  if (bundle.env.context === 'browser' && !options.shouldBuildLazily) {
    loaderModules.push(...externalBundles // TODO: Allow css to preload resources as well
    .filter(to => to.type === 'js').flatMap(from => {
      let {
        preload,
        prefetch
      } = getHintedBundleGroups(bundleGraph, from);
      return [...getHintLoaders(bundleGraph, bundle, preload, BROWSER_PRELOAD_LOADER, options), ...getHintLoaders(bundleGraph, bundle, prefetch, BROWSER_PREFETCH_LOADER, options)];
    }));
  }

  if (loaderModules.length === 0) {
    return;
  }

  let loaderCode = loaderModules.join(', ');

  if (loaderModules.length > 1) {
    loaderCode = `Promise.all([${loaderCode}])`;
  } else {
    loaderCode = `(${loaderCode})`;
  }

  if (mainBundle.type === 'js') {
    let parcelRequire = bundle.env.shouldScopeHoist ? 'parcelRequire' : 'module.bundle.root';
    loaderCode += `.then(() => ${parcelRequire}('${bundleGraph.getAssetPublicId(bundleGraph.getAssetById(bundleGroup.entryAssetId))}'))`;
  }

  return {
    filePath: __filename,
    code: `module.exports = ${loaderCode};`,
    dependency,
    env: {
      sourceType: 'module'
    }
  };
}

function getHintedBundleGroups(bundleGraph, bundle) {
  let preload = [];
  let prefetch = [];
  let {
    asyncDependencies
  } = getDependencies(bundle);

  for (let dependency of asyncDependencies) {
    var _dependency$meta2;

    let attributes = (_dependency$meta2 = dependency.meta) === null || _dependency$meta2 === void 0 ? void 0 : _dependency$meta2.importAttributes;

    if (typeof attributes === 'object' && attributes != null && ( // $FlowFixMe
    attributes.preload || attributes.prefetch)) {
      let resolved = bundleGraph.resolveAsyncDependency(dependency, bundle);

      if ((resolved === null || resolved === void 0 ? void 0 : resolved.type) === 'bundle_group') {
        // === true for flow
        if (attributes.preload === true) {
          preload.push(resolved.value);
        }

        if (attributes.prefetch === true) {
          prefetch.push(resolved.value);
        }
      }
    }
  }

  return {
    preload,
    prefetch
  };
}

function getHintLoaders(bundleGraph, from, bundleGroups, loader, options) {
  let hintLoaders = [];

  for (let bundleGroupToPreload of bundleGroups) {
    let bundlesToPreload = bundleGraph.getBundlesInBundleGroup(bundleGroupToPreload);

    for (let bundleToPreload of bundlesToPreload) {
      let relativePathExpr = getRelativePathExpr(from, bundleToPreload, options);
      let priority = TYPE_TO_RESOURCE_PRIORITY[bundleToPreload.type];
      hintLoaders.push(`require(${JSON.stringify(loader)})(${getAbsoluteUrlExpr(relativePathExpr, from)}, ${priority ? JSON.stringify(priority) : 'null'}, ${JSON.stringify(bundleToPreload.target.env.outputFormat === 'esmodule')})`);
    }
  }

  return hintLoaders;
}

function isNewContext(bundle, bundleGraph) {
  let parents = bundleGraph.getParentBundles(bundle);
  let isInEntryBundleGroup = bundleGraph.getBundleGroupsContainingBundle(bundle).some(g => bundleGraph.isEntryBundleGroup(g));
  return isInEntryBundleGroup || parents.length === 0 || parents.some(parent => parent.env.context !== bundle.env.context || parent.type !== 'js');
}

function getURLRuntime(dependency, from, to, options) {
  let relativePathExpr = getRelativePathExpr(from, to, options);
  let code;

  if (dependency.meta.webworker === true && !from.env.isLibrary) {
    code = `let workerURL = require('./helpers/get-worker-url');\n`;

    if (from.env.outputFormat === 'esmodule' && from.env.supports('import-meta-url')) {
      code += `let url = new __parcel__URL__(${relativePathExpr});\n`;
      code += `module.exports = workerURL(url.toString(), url.origin, ${String(from.env.outputFormat === 'esmodule')});`;
    } else {
      code += `let bundleURL = require('./helpers/bundle-url');\n`;
      code += `let url = bundleURL.getBundleURL('${from.publicId}') + ${relativePathExpr};`;
      code += `module.exports = workerURL(url, bundleURL.getOrigin(url), ${String(from.env.outputFormat === 'esmodule')});`;
    }
  } else {
    code = `module.exports = ${getAbsoluteUrlExpr(relativePathExpr, from)};`;
  }

  return {
    filePath: __filename,
    code,
    dependency,
    env: {
      sourceType: 'module'
    }
  };
}

function getRegisterCode(entryBundle, bundleGraph) {
  let idToName = {};
  bundleGraph.traverseBundles((bundle, _, actions) => {
    if (bundle.bundleBehavior === 'inline') {
      return;
    }

    idToName[bundle.publicId] = _path().default.basename((0, _nullthrows().default)(bundle.name));

    if (bundle !== entryBundle && isNewContext(bundle, bundleGraph)) {
      // New contexts have their own manifests, so there's no need to continue.
      actions.skipChildren();
    }
  }, entryBundle);
  return "require('./helpers/bundle-manifest').register(JSON.parse(" + JSON.stringify(JSON.stringify(idToName)) + '));';
}

function getRelativePathExpr(from, to, options) {
  let relativePath = (0, _utils().relativeBundlePath)(from, to, {
    leadingDotSlash: false
  });

  if (shouldUseRuntimeManifest(from, options)) {
    // Get the relative part of the path. This part is not in the manifest, only the basename is.
    let relativeBase = _path().default.posix.dirname(relativePath);

    if (relativeBase === '.') {
      relativeBase = '';
    } else {
      relativeBase = `${JSON.stringify(relativeBase + '/')} + `;
    }

    return relativeBase + `require('./helpers/bundle-manifest').resolve(${JSON.stringify(to.publicId)})`;
  }

  let res = JSON.stringify(relativePath);

  if (options.hmrOptions) {
    res += ' + "?" + Date.now()';
  }

  return res;
}

function getAbsoluteUrlExpr(relativePathExpr, bundle) {
  if (bundle.env.outputFormat === 'esmodule' && bundle.env.supports('import-meta-url') || bundle.env.outputFormat === 'commonjs') {
    // This will be compiled to new URL(url, import.meta.url) or new URL(url, 'file:' + __filename).
    return `new __parcel__URL__(${relativePathExpr}).toString()`;
  } else {
    return `require('./helpers/bundle-url').getBundleURL('${bundle.publicId}') + ${relativePathExpr}`;
  }
}

function shouldUseRuntimeManifest(bundle, options) {
  let env = bundle.env;
  return !env.isLibrary && bundle.bundleBehavior !== 'inline' && env.isBrowser() && options.mode === 'production';
}