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"use strict";
/**
* @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.NodeModulesEngineHost = exports.NodePackageDoesNotSupportSchematics = void 0;
const core_1 = require("@angular-devkit/core");
const path_1 = require("path");
const export_ref_1 = require("./export-ref");
const file_system_engine_host_base_1 = require("./file-system-engine-host-base");
const file_system_utility_1 = require("./file-system-utility");
class NodePackageDoesNotSupportSchematics extends core_1.BaseException {
constructor(name) {
super(`Package ${JSON.stringify(name)} was found but does not support schematics.`);
}
}
exports.NodePackageDoesNotSupportSchematics = NodePackageDoesNotSupportSchematics;
/**
* A simple EngineHost that uses NodeModules to resolve collections.
*/
class NodeModulesEngineHost extends file_system_engine_host_base_1.FileSystemEngineHostBase {
constructor(paths) {
super();
this.paths = paths;
}
resolve(name, requester, references = new Set()) {
if (requester) {
if (references.has(requester)) {
references.add(requester);
throw new Error('Circular schematic reference detected: ' + JSON.stringify(Array.from(references)));
}
else {
references.add(requester);
}
}
const relativeBase = requester ? path_1.dirname(requester) : process.cwd();
let collectionPath = undefined;
if (name.startsWith('.')) {
name = path_1.resolve(relativeBase, name);
}
const resolveOptions = {
paths: requester ? [path_1.dirname(requester), ...(this.paths || [])] : this.paths,
};
// Try to resolve as a package
try {
const packageJsonPath = require.resolve(path_1.join(name, 'package.json'), resolveOptions);
const { schematics } = require(packageJsonPath);
if (!schematics || typeof schematics !== 'string') {
throw new NodePackageDoesNotSupportSchematics(name);
}
collectionPath = this.resolve(schematics, packageJsonPath, references);
}
catch (e) {
if (e.code !== 'MODULE_NOT_FOUND') {
throw e;
}
}
// If not a package, try to resolve as a file
if (!collectionPath) {
try {
collectionPath = require.resolve(name, resolveOptions);
}
catch (e) {
if (e.code !== 'MODULE_NOT_FOUND') {
throw e;
}
}
}
// If not a package or a file, error
if (!collectionPath) {
throw new file_system_engine_host_base_1.CollectionCannotBeResolvedException(name);
}
return collectionPath;
}
_resolveCollectionPath(name, requester) {
const collectionPath = this.resolve(name, requester);
try {
file_system_utility_1.readJsonFile(collectionPath);
return collectionPath;
}
catch (e) {
if (e instanceof core_1.InvalidJsonCharacterException ||
e instanceof core_1.UnexpectedEndOfInputException) {
throw new file_system_engine_host_base_1.InvalidCollectionJsonException(name, collectionPath, e);
}
else {
throw e;
}
}
}
_resolveReferenceString(refString, parentPath) {
const ref = new export_ref_1.ExportStringRef(refString, parentPath);
if (!ref.ref) {
return null;
}
return { ref: ref.ref, path: ref.module };
}
_transformCollectionDescription(name, desc) {
if (!desc.schematics || typeof desc.schematics != 'object') {
throw new file_system_engine_host_base_1.CollectionMissingSchematicsMapException(name);
}
return {
...desc,
name,
};
}
_transformSchematicDescription(name, _collection, desc) {
if (!desc.factoryFn || !desc.path || !desc.description) {
throw new file_system_engine_host_base_1.SchematicMissingFieldsException(name);
}
return desc;
}
}
exports.NodeModulesEngineHost = NodeModulesEngineHost;