@angular-devkit/build-angular
Version:
Angular Webpack Build Facade
49 lines • 5.57 kB
JavaScript
;
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.createExternalPackagesPlugin = void 0;
const EXTERNAL_PACKAGE_RESOLUTION = Symbol('EXTERNAL_PACKAGE_RESOLUTION');
/**
* Creates a plugin that marks any resolved path as external if it is within a node modules directory.
* This is used instead of the esbuild `packages` option to avoid marking bare specifiers that use
* tsconfig path mapping to resolve to a workspace relative path. This is common for monorepos that
* contain libraries that are built along with the application. These libraries should not be considered
*
* @returns An esbuild plugin.
*/
function createExternalPackagesPlugin() {
return {
name: 'angular-external-packages',
setup(build) {
build.onResolve({ filter: /./ }, async (args) => {
if (args.pluginData?.[EXTERNAL_PACKAGE_RESOLUTION]) {
return null;
}
const { importer, kind, resolveDir, namespace, pluginData = {} } = args;
pluginData[EXTERNAL_PACKAGE_RESOLUTION] = true;
const result = await build.resolve(args.path, {
importer,
kind,
namespace,
pluginData,
resolveDir,
});
if (result.path && /[\\/]node_modules[\\/]/.test(result.path)) {
return {
path: args.path,
external: true,
};
}
return result;
});
},
};
}
exports.createExternalPackagesPlugin = createExternalPackagesPlugin;
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