"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
 */
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.FileSystemEngineHost = void 0;
const fs_1 = require("fs");
const path_1 = require("path");
const rxjs_1 = require("rxjs");
const operators_1 = require("rxjs/operators");
const src_1 = require("../src");
const export_ref_1 = require("./export-ref");
const file_system_engine_host_base_1 = require("./file-system-engine-host-base");
/**
 * A simple EngineHost that uses a root with one directory per collection inside of it. The
 * collection declaration follows the same rules as the regular FileSystemEngineHostBase.
 */
class FileSystemEngineHost extends file_system_engine_host_base_1.FileSystemEngineHostBase {
    constructor(_root) {
        super();
        this._root = _root;
    }
    _resolveCollectionPath(name) {
        try {
            // Allow `${_root}/${name}.json` as a collection.
            const maybePath = require.resolve((0, path_1.join)(this._root, name + '.json'));
            if ((0, fs_1.existsSync)(maybePath)) {
                return maybePath;
            }
        }
        catch (error) { }
        try {
            // Allow `${_root}/${name}/collection.json.
            const maybePath = require.resolve((0, path_1.join)(this._root, name, 'collection.json'));
            if ((0, fs_1.existsSync)(maybePath)) {
                return maybePath;
            }
        }
        catch (error) { }
        throw new file_system_engine_host_base_1.CollectionCannotBeResolvedException(name);
    }
    _resolveReferenceString(refString, parentPath) {
        // Use the same kind of export strings as NodeModule.
        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;
    }
    hasTaskExecutor(name) {
        if (super.hasTaskExecutor(name)) {
            return true;
        }
        try {
            const maybePath = require.resolve((0, path_1.join)(this._root, name));
            if ((0, fs_1.existsSync)(maybePath)) {
                return true;
            }
        }
        catch (_a) { }
        return false;
    }
    createTaskExecutor(name) {
        var _a;
        if (!super.hasTaskExecutor(name)) {
            try {
                const path = require.resolve((0, path_1.join)(this._root, name));
                // Default handling code is for old tasks that incorrectly export `default` with non-ESM module
                return (0, rxjs_1.from)((_a = path, Promise.resolve().then(() => __importStar(require(_a)))).then((mod) => { var _a; return (((_a = mod.default) === null || _a === void 0 ? void 0 : _a.default) || mod.default)(); })).pipe((0, operators_1.catchError)(() => (0, rxjs_1.throwError)(new src_1.UnregisteredTaskException(name))));
            }
            catch (_b) { }
        }
        return super.createTaskExecutor(name);
    }
}
exports.FileSystemEngineHost = FileSystemEngineHost;
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