@angular-devkit/build-angular
Version:
Angular Webpack Build Facade
92 lines • 11 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
*/
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.AnyComponentStyleBudgetChecker = void 0;
const path = __importStar(require("path"));
const webpack_1 = require("webpack");
const schema_1 = require("../../../builders/browser/schema");
const bundle_calculator_1 = require("../../../utils/bundle-calculator");
const webpack_diagnostics_1 = require("../../../utils/webpack-diagnostics");
const PLUGIN_NAME = 'AnyComponentStyleBudgetChecker';
/**
* Check budget sizes for component styles by emitting a warning or error if a
* budget is exceeded by a particular component's styles.
*/
class AnyComponentStyleBudgetChecker {
constructor(budgets) {
this.budgets = budgets.filter((budget) => budget.type === schema_1.Type.AnyComponentStyle);
}
apply(compiler) {
compiler.hooks.compilation.tap(PLUGIN_NAME, (compilation) => {
compilation.hooks.processAssets.tap({
name: PLUGIN_NAME,
stage: webpack_1.Compilation.PROCESS_ASSETS_STAGE_ANALYSE,
}, () => {
// No budgets.
if (this.budgets.length === 0) {
return;
}
// In AOT compilations component styles get processed in child compilations.
if (!compilation.compiler.parentCompilation) {
return;
}
const cssExtensions = ['.css', '.scss', '.less', '.sass'];
const componentStyles = Object.keys(compilation.assets)
.filter((name) => cssExtensions.includes(path.extname(name)))
.map((name) => ({
size: compilation.assets[name].size(),
label: name,
}));
const thresholds = this.budgets.flatMap((budget) => [...(0, bundle_calculator_1.calculateThresholds)(budget)]);
for (const { size, label } of componentStyles) {
for (const { severity, message } of (0, bundle_calculator_1.checkThresholds)(thresholds[Symbol.iterator](), size, label)) {
switch (severity) {
case bundle_calculator_1.ThresholdSeverity.Warning:
(0, webpack_diagnostics_1.addWarning)(compilation, message);
break;
case bundle_calculator_1.ThresholdSeverity.Error:
(0, webpack_diagnostics_1.addError)(compilation, message);
break;
default:
assertNever(severity);
}
}
}
});
});
}
}
exports.AnyComponentStyleBudgetChecker = AnyComponentStyleBudgetChecker;
function assertNever(input) {
throw new Error(`Unexpected call to assertNever() with input: ${JSON.stringify(input, null /* replacer */, 4 /* tabSize */)}`);
}
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