node-module-engine-host.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/**
 * @license
 * Copyright Google Inc. 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
 */
const core = require("@angular-devkit/core/node");
const tools_1 = require("@angular-devkit/schematics/tools");
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");
/**
 * A simple EngineHost that uses NodeModules to resolve collections.
 */
class NodeModulesEngineHost extends file_system_engine_host_base_1.FileSystemEngineHostBase {
    constructor() { super(); }
    _resolvePackageJson(name, basedir = process.cwd()) {
        return core.resolve(name, {
            basedir,
            checkLocal: true,
            checkGlobal: true,
            resolvePackageJson: true,
        });
    }
    _resolvePath(name, basedir = process.cwd()) {
        // Allow relative / absolute paths.
        if (name.startsWith('.') || name.startsWith('/')) {
            return path_1.resolve(basedir, name);
        }
        else {
            return core.resolve(name, {
                basedir,
                checkLocal: true,
                checkGlobal: true,
            });
        }
    }
    _resolveCollectionPath(name) {
        let packageJsonPath = this._resolvePackageJson(name, process.cwd());
        // If it's a file, use it as is. Otherwise append package.json to it.
        if (!core.fs.isFile(packageJsonPath)) {
            packageJsonPath = path_1.join(packageJsonPath, 'package.json');
        }
        try {
            const pkgJsonSchematics = require(packageJsonPath)['schematics'];
            if (pkgJsonSchematics) {
                const resolvedPath = this._resolvePath(pkgJsonSchematics, path_1.dirname(packageJsonPath));
                file_system_utility_1.readJsonFile(resolvedPath);
                return resolvedPath;
            }
        }
        catch (e) {
        }
        throw new tools_1.CollectionCannotBeResolvedException(name);
    }
    _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 tools_1.CollectionMissingSchematicsMapException(name);
        }
        return Object.assign({}, desc, { name });
    }
    _transformSchematicDescription(name, _collection, desc) {
        if (!desc.factoryFn || !desc.path || !desc.description) {
            throw new tools_1.SchematicMissingFieldsException(name);
        }
        return desc;
    }
}
exports.NodeModulesEngineHost = NodeModulesEngineHost;
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gpKSB7XG4gICAgLy8gQWxsb3cgcmVsYXRpdmUgLyBhYnNvbHV0ZSBwYXRocy5cbiAgICBpZiAobmFtZS5zdGFydHNXaXRoKCcuJykgfHwgbmFtZS5zdGFydHNXaXRoKCcvJykpIHtcbiAgICAgIHJldHVybiByZXNvbHZlUGF0aChiYXNlZGlyLCBuYW1lKTtcbiAgICB9IGVsc2Uge1xuICAgICAgcmV0dXJuIGNvcmUucmVzb2x2ZShuYW1lLCB7XG4gICAgICAgIGJhc2VkaXIsXG4gICAgICAgIGNoZWNrTG9jYWw6IHRydWUsXG4gICAgICAgIGNoZWNrR2xvYmFsOiB0cnVlLFxuICAgICAgfSk7XG4gICAgfVxuICB9XG5cbiAgcHJvdGVjdGVkIF9yZXNvbHZlQ29sbGVjdGlvblBhdGgobmFtZTogc3RyaW5nKTogc3RyaW5nIHtcbiAgICBsZXQgcGFja2FnZUpzb25QYXRoID0gdGhpcy5fcmVzb2x2ZVBhY2thZ2VKc29uKG5hbWUsIHByb2Nlc3MuY3dkKCkpO1xuICAgIC8vIElmIGl0J3MgYSBmaWxlLCB1c2UgaXQgYXMgaXMuIE90aGVyd2lzZSBhcHBlbmQgcGFja2FnZS5qc29uIHRvIGl0LlxuICAgIGlmICghY29yZS5mcy5pc0ZpbGUocGFja2FnZUpzb25QYXRoKSkge1xuICAgICAgcGFja2FnZUpzb25QYXRoID0gam9pbihwYWNrYWdlSnNvblBhdGgsICdwYWNrYWdlLmpzb24nKTtcbiAgICB9XG5cbiAgICB0cnkge1xuICAgICAgY29uc3QgcGtnSnNvblNjaGVtYXRpY3MgPSByZXF1aXJlKHBhY2thZ2VKc29uUGF0aClbJ3NjaGVtYXRpY3MnXTtcbiAgICAgIGlmIChwa2dKc29uU2NoZW1hdGljcykge1xuICAgICAgICBjb25zdCByZXNvbHZlZFBhdGggPSB0aGlzLl9yZXNvbHZlUGF0aChwa2dKc29uU2NoZW1hdGljcywgZGlybmFtZShwYWNrYWdlSnNvblBhdGgpKTtcbiAgICAgICAgcmVhZEpzb25GaWxlKHJlc29sdmVkUGF0aCk7XG5cbiAgICAgICAgcmV0dXJuIHJlc29sdmVkUGF0aDtcbiAgICAgIH1cbiAgICB9IGNhdGNoIChlKSB7XG4gICAgfVxuICAgIHRocm93IG5ldyBDb2xsZWN0aW9uQ2Fubm90QmVSZXNvbHZlZEV4Y2VwdGlvbihuYW1lKTtcbiAgfVxuXG4gIHByb3RlY3RlZCBfcmVzb2x2ZVJlZmVyZW5jZVN0cmluZyhyZWZTdHJpbmc6IHN0cmluZywgcGFyZW50UGF0aDogc3RyaW5nKSB7XG4gICAgY29uc3QgcmVmID0gbmV3IEV4cG9ydFN0cmluZ1JlZjxSdWxlRmFjdG9yeTx7fT4+KHJlZlN0cmluZywgcGFyZW50UGF0aCk7XG4gICAgaWYgKCFyZWYucmVmKSB7XG4gICAgICByZXR1cm4gbnVsbDtcbiAgICB9XG5cbiAgICByZXR1cm4geyByZWY6IHJlZi5yZWYsIHBhdGg6IHJlZi5tb2R1bGUgfTtcbiAgfVxuXG4gIHByb3RlY3RlZCBfdHJhbnNmb3JtQ29sbGVjdGlvbkRlc2NyaXB0aW9uKFxuICAgIG5hbWU6IHN0cmluZyxcbiAgICBkZXNjOiBQYXJ0aWFsPEZpbGVTeXN0ZW1Db2xsZWN0aW9uRGVzYz4sXG4gICk6IEZpbGVTeXN0ZW1Db2xsZWN0aW9uRGVzYyB7XG4gICAgaWYgKCFkZXNjLnNjaGVtYXRpY3MgfHwgdHlwZW9mIGRlc2Muc2NoZW1hdGljcyAhPSAnb2JqZWN0Jykge1xuICAgICAgdGhyb3cgbmV3IENvbGxlY3Rpb25NaXNzaW5nU2NoZW1hdGljc01hcEV4Y2VwdGlvbihuYW1lKTtcbiAgICB9XG5cbiAgICByZXR1cm4ge1xuICAgICAgLi4uZGVzYyxcbiAgICAgIG5hbWUsXG4gICAgfSBhcyBGaWxlU3lzdGVtQ29sbGVjdGlvbkRlc2M7XG4gIH1cblxuICBwcm90ZWN0ZWQgX3RyYW5zZm9ybVNjaGVtYXRpY0Rlc2NyaXB0aW9uKFxuICAgIG5hbWU6IHN0cmluZyxcbiAgICBfY29sbGVjdGlvbjogRmlsZVN5c3RlbUNvbGxlY3Rpb25EZXNjLFxuICAgIGRlc2M6IFBhcnRpYWw8RmlsZVN5c3RlbVNjaGVtYXRpY0Rlc2M+LFxuICApOiBGaWxlU3lzdGVtU2NoZW1hdGljRGVzYyB7XG4gICAgaWYgKCFkZXNjLmZhY3RvcnlGbiB8fCAhZGVzYy5wYXRoIHx8ICFkZXNjLmRlc2NyaXB0aW9uKSB7XG4gICAgICB0aHJvdyBuZXcgU2NoZW1hdGljTWlzc2luZ0ZpZWxkc0V4Y2VwdGlvbihuYW1lKTtcbiAgICB9XG5cbiAgICByZXR1cm4gZGVzYyBhcyBGaWxlU3lzdGVtU2NoZW1hdGljRGVzYztcbiAgfVxufVxuIl19