ng-packagr
Version:
Compile and package Angular libraries in Angular Package Format (APF)
250 lines • 12.2 kB
JavaScript
;
var __addDisposableResource = (this && this.__addDisposableResource) || function (env, value, async) {
if (value !== null && value !== void 0) {
if (typeof value !== "object" && typeof value !== "function") throw new TypeError("Object expected.");
var dispose, inner;
if (async) {
if (!Symbol.asyncDispose) throw new TypeError("Symbol.asyncDispose is not defined.");
dispose = value[Symbol.asyncDispose];
}
if (dispose === void 0) {
if (!Symbol.dispose) throw new TypeError("Symbol.dispose is not defined.");
dispose = value[Symbol.dispose];
if (async) inner = dispose;
}
if (typeof dispose !== "function") throw new TypeError("Object not disposable.");
if (inner) dispose = function() { try { inner.call(this); } catch (e) { return Promise.reject(e); } };
env.stack.push({ value: value, dispose: dispose, async: async });
}
else if (async) {
env.stack.push({ async: true });
}
return value;
};
var __disposeResources = (this && this.__disposeResources) || (function (SuppressedError) {
return function (env) {
function fail(e) {
env.error = env.hasError ? new SuppressedError(e, env.error, "An error was suppressed during disposal.") : e;
env.hasError = true;
}
var r, s = 0;
function next() {
while (r = env.stack.pop()) {
try {
if (!r.async && s === 1) return s = 0, env.stack.push(r), Promise.resolve().then(next);
if (r.dispose) {
var result = r.dispose.call(r.value);
if (r.async) return s |= 2, Promise.resolve(result).then(next, function(e) { fail(e); return next(); });
}
else s |= 1;
}
catch (e) {
fail(e);
}
}
if (s === 1) return env.hasError ? Promise.reject(env.error) : Promise.resolve();
if (env.hasError) throw env.error;
}
return next();
};
})(typeof SuppressedError === "function" ? SuppressedError : function (error, suppressed, message) {
var e = new Error(message);
return e.name = "SuppressedError", e.error = error, e.suppressed = suppressed, e;
});
var __classPrivateFieldGet = (this && this.__classPrivateFieldGet) || function (receiver, state, kind, f) {
if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a getter");
if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot read private member from an object whose class did not declare it");
return kind === "m" ? f : kind === "a" ? f.call(receiver) : f ? f.value : state.get(receiver);
};
var __classPrivateFieldSet = (this && this.__classPrivateFieldSet) || function (receiver, state, value, kind, f) {
if (kind === "m") throw new TypeError("Private method is not writable");
if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a setter");
if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot write private member to an object whose class did not declare it");
return (kind === "a" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
var _a;
var _b;
var _SassWorkerImplementation_instances, _SassWorkerImplementation_workerPool, _SassWorkerImplementation_ensureWorkerPool, _SassWorkerImplementation_createImporterChannel;
Object.defineProperty(exports, "__esModule", { value: true });
exports.SassWorkerImplementation = void 0;
const node_assert_1 = __importDefault(require("node:assert"));
const node_url_1 = require("node:url");
const node_worker_threads_1 = require("node:worker_threads");
const worker_pool_1 = require("../worker-pool");
const maxWorkersVariable = process.env['NG_BUILD_MAX_WORKERS'];
const maxWorkers = typeof maxWorkersVariable === 'string' && maxWorkersVariable !== '' ? +maxWorkersVariable : 4;
// Polyfill Symbol.dispose if not present
// eslint-disable-next-line @typescript-eslint/no-explicit-any
(_a = (_b = Symbol).dispose) !== null && _a !== void 0 ? _a : (_b.dispose = Symbol('Symbol Dispose'));
/**
* The maximum number of Workers that will be created to execute render requests.
*/
const MAX_RENDER_WORKERS = maxWorkers;
/**
* A Sass renderer implementation that provides an interface that can be used by Webpack's
* `sass-loader`. The implementation uses a Worker thread to perform the Sass rendering
* with the `dart-sass` package. The `dart-sass` synchronous render function is used within
* the worker which can be up to two times faster than the asynchronous variant.
*/
class SassWorkerImplementation {
constructor(rebase = false, maxThreads = MAX_RENDER_WORKERS) {
_SassWorkerImplementation_instances.add(this);
this.rebase = rebase;
this.maxThreads = maxThreads;
_SassWorkerImplementation_workerPool.set(this, void 0);
}
/**
* Provides information about the Sass implementation.
* This mimics enough of the `dart-sass` value to be used with the `sass-loader`.
*/
get info() {
return 'dart-sass\tworker';
}
/**
* The synchronous render function is not used by the `sass-loader`.
*/
compileString() {
throw new Error('Sass compileString is not supported.');
}
/**
* Asynchronously request a Sass stylesheet to be renderered.
*
* @param source The contents to compile.
* @param options The `dart-sass` options to use when rendering the stylesheet.
*/
async compileStringAsync(source, options) {
var _a;
const env_1 = { stack: [], error: void 0, hasError: false };
try {
// The `functions`, `logger` and `importer` options are JavaScript functions that cannot be transferred.
// If any additional function options are added in the future, they must be excluded as well.
const { functions, importers, url, logger, ...serializableOptions } = options;
// The CLI's configuration does not use or expose the ability to define custom Sass functions
if (functions && Object.keys(functions).length > 0) {
throw new Error('Sass custom functions are not supported.');
}
const importerChannel = __addDisposableResource(env_1, (importers === null || importers === void 0 ? void 0 : importers.length) ? __classPrivateFieldGet(this, _SassWorkerImplementation_instances, "m", _SassWorkerImplementation_createImporterChannel).call(this, importers) : undefined, false);
const response = (await __classPrivateFieldGet(this, _SassWorkerImplementation_instances, "m", _SassWorkerImplementation_ensureWorkerPool).call(this).run({
source,
importerChannel,
hasLogger: !!logger,
rebase: this.rebase,
options: {
...serializableOptions,
// URL is not serializable so to convert to string here and back to URL in the worker.
url: url ? (0, node_url_1.fileURLToPath)(url) : undefined,
},
}, {
transferList: importerChannel ? [importerChannel.port] : undefined,
}));
const { result, error, warnings } = response;
if (warnings && (logger === null || logger === void 0 ? void 0 : logger.warn)) {
for (const { message, span, ...options } of warnings) {
logger.warn(message, {
...options,
span: span && {
...span,
url: span.url ? (0, node_url_1.pathToFileURL)(span.url) : undefined,
},
});
}
}
if (error) {
// Convert stringified url value required for cloning back to a URL object
const url = (_a = error.span) === null || _a === void 0 ? void 0 : _a.url;
if (url) {
error.span.url = (0, node_url_1.pathToFileURL)(url);
}
throw error;
}
(0, node_assert_1.default)(result, 'Sass render worker should always return a result or an error');
return {
...result,
// URL is not serializable so in the worker we convert to string and here back to URL.
loadedUrls: result.loadedUrls.map((p) => (0, node_url_1.pathToFileURL)(p)),
};
}
catch (e_1) {
env_1.error = e_1;
env_1.hasError = true;
}
finally {
__disposeResources(env_1);
}
}
/**
* Shutdown the Sass render worker.
* Executing this method will stop any pending render requests.
* @returns A void promise that resolves when closing is complete.
*/
async close() {
if (__classPrivateFieldGet(this, _SassWorkerImplementation_workerPool, "f")) {
try {
await __classPrivateFieldGet(this, _SassWorkerImplementation_workerPool, "f").destroy();
}
finally {
__classPrivateFieldSet(this, _SassWorkerImplementation_workerPool, undefined, "f");
}
}
}
async processImporters(importers, url, options) {
for (const importer of importers) {
if (!this.isFileImporter(importer)) {
// Importer
throw new Error('Only File Importers are supported.');
}
// File importer (Can be sync or aync).
const result = await importer.findFileUrl(url, options);
if (result) {
return (0, node_url_1.fileURLToPath)(result);
}
}
return null;
}
isFileImporter(value) {
return 'findFileUrl' in value;
}
}
exports.SassWorkerImplementation = SassWorkerImplementation;
_SassWorkerImplementation_workerPool = new WeakMap(), _SassWorkerImplementation_instances = new WeakSet(), _SassWorkerImplementation_ensureWorkerPool = function _SassWorkerImplementation_ensureWorkerPool() {
var _a;
__classPrivateFieldSet(this, _SassWorkerImplementation_workerPool, (_a = __classPrivateFieldGet(this, _SassWorkerImplementation_workerPool, "f")) !== null && _a !== void 0 ? _a : new worker_pool_1.WorkerPool({
filename: require.resolve('./worker'),
maxThreads: this.maxThreads,
}), "f");
return __classPrivateFieldGet(this, _SassWorkerImplementation_workerPool, "f");
}, _SassWorkerImplementation_createImporterChannel = function _SassWorkerImplementation_createImporterChannel(importers) {
const { port1: mainImporterPort, port2: workerImporterPort } = new node_worker_threads_1.MessageChannel();
const importerSignal = new Int32Array(new SharedArrayBuffer(4));
mainImporterPort.on('message', ({ url, options }) => {
this.processImporters(importers, url, {
...options,
// URL is not serializable so in the worker we convert to string and here back to URL.
containingUrl: options.containingUrl
? (0, node_url_1.pathToFileURL)(options.containingUrl)
: null,
})
.then((result) => {
mainImporterPort.postMessage(result);
})
.catch((error) => {
mainImporterPort.postMessage(error);
})
.finally(() => {
Atomics.store(importerSignal, 0, 1);
Atomics.notify(importerSignal, 0);
});
});
mainImporterPort.unref();
return {
port: workerImporterPort,
signal: importerSignal,
[Symbol.dispose]() {
mainImporterPort.close();
},
};
};
//# sourceMappingURL=sass-service.js.map