@angular/build
Version:
Official build system for Angular
106 lines • 4.7 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.dev/license
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.pathnameWithoutBasePath = pathnameWithoutBasePath;
exports.lookupMimeTypeFromRequest = lookupMimeTypeFromRequest;
exports.getDepOptimizationConfig = getDepOptimizationConfig;
exports.isAbsoluteUrl = isAbsoluteUrl;
exports.updateExternalMetadata = updateExternalMetadata;
const mrmime_1 = require("mrmime");
const node_module_1 = require("node:module");
const node_path_1 = require("node:path");
const utils_1 = require("../esbuild/utils");
function pathnameWithoutBasePath(url, basePath) {
const parsedUrl = new URL(url, 'http://localhost');
const pathname = decodeURIComponent(parsedUrl.pathname);
// slice(basePath.length - 1) to retain the trailing slash
return basePath !== '/' && pathname.startsWith(basePath)
? pathname.slice(basePath.length - 1)
: pathname;
}
function lookupMimeTypeFromRequest(url) {
const extension = (0, node_path_1.extname)(url.split('?')[0]);
if (extension === '.ico') {
return 'image/x-icon';
}
return extension && (0, mrmime_1.lookup)(extension);
}
function getDepOptimizationConfig({ disabled, exclude, include, target, zoneless, prebundleTransformer, ssr, loader, thirdPartySourcemaps, define = {}, }) {
const plugins = [
{
name: `angular-vite-optimize-deps${ssr ? '-ssr' : ''}${thirdPartySourcemaps ? '-vendor-sourcemap' : ''}`,
setup(build) {
build.onLoad({ filter: /\.[cm]?js$/ }, async (args) => {
return {
contents: await prebundleTransformer.transformFile(args.path),
loader: 'js',
};
});
},
},
];
return {
// Exclude any explicitly defined dependencies (currently build defined externals)
exclude,
// NB: to disable the deps optimizer, set optimizeDeps.noDiscovery to true and optimizeDeps.include as undefined.
// Include all implict dependencies from the external packages internal option
include: disabled ? undefined : include,
noDiscovery: disabled,
// Add an esbuild plugin to run the Angular linker on dependencies
esbuildOptions: {
// Set esbuild supported targets.
target,
supported: (0, utils_1.getFeatureSupport)(target, zoneless),
plugins,
loader,
define: {
...define,
'ngServerMode': `${ssr}`,
},
resolveExtensions: ['.mjs', '.js', '.cjs'],
},
};
}
function isAbsoluteUrl(url) {
try {
new URL(url);
return true;
}
catch {
return false;
}
}
function updateExternalMetadata(result, externalMetadata, externalDependencies, explicitPackagesOnly = false) {
if (!result.detail?.['externalMetadata']) {
return;
}
const { implicitBrowser, implicitServer, explicit } = result.detail['externalMetadata'];
const implicitServerFiltered = implicitServer.filter((m) => !(0, node_module_1.isBuiltin)(m) && !isAbsoluteUrl(m));
const implicitBrowserFiltered = implicitBrowser.filter((m) => !isAbsoluteUrl(m));
const explicitBrowserFiltered = explicitPackagesOnly
? explicit.filter((m) => !isAbsoluteUrl(m))
: explicit;
// Empty Arrays to avoid growing unlimited with every re-build.
externalMetadata.explicitBrowser.length = 0;
externalMetadata.explicitServer.length = 0;
externalMetadata.implicitServer.length = 0;
externalMetadata.implicitBrowser.length = 0;
const externalDeps = externalDependencies ?? [];
externalMetadata.explicitBrowser.push(...explicitBrowserFiltered, ...externalDeps);
externalMetadata.explicitServer.push(...explicitBrowserFiltered, ...externalDeps, ...node_module_1.builtinModules);
externalMetadata.implicitServer.push(...implicitServerFiltered);
externalMetadata.implicitBrowser.push(...implicitBrowserFiltered);
// The below needs to be sorted as Vite uses these options as part of the hashing invalidation algorithm.
// See: https://github.com/vitejs/vite/blob/0873bae0cfe0f0718ad2f5743dd34a17e4ab563d/packages/vite/src/node/optimizer/index.ts#L1203-L1239
externalMetadata.explicitBrowser.sort();
externalMetadata.explicitServer.sort();
externalMetadata.implicitServer.sort();
externalMetadata.implicitBrowser.sort();
}
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