@angular-devkit/build-angular
Version:
Angular Webpack Build Facade
45 lines (44 loc) • 1.67 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
*/
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = default_1;
const core_1 = require("@babel/core");
const istanbul_lib_instrument_1 = require("istanbul-lib-instrument");
const node_assert_1 = __importDefault(require("node:assert"));
/**
* A babel plugin factory function for adding istanbul instrumentation.
*
* @returns A babel plugin object instance.
*/
function default_1() {
const visitors = new WeakMap();
return {
visitor: {
Program: {
enter(path, state) {
const visitor = (0, istanbul_lib_instrument_1.programVisitor)(core_1.types, state.filename, {
// Babel returns a Converter object from the `convert-source-map` package
inputSourceMap: state.file.inputMap?.toObject(),
});
visitors.set(path, visitor);
visitor.enter(path);
},
exit(path) {
const visitor = visitors.get(path);
(0, node_assert_1.default)(visitor, 'Instrumentation visitor should always be present for program path.');
visitor.exit(path);
visitors.delete(path);
},
},
},
};
}