@angular/cdk/schematics/ng-add/index.js

Angular Material Component Development Kit

/**
 * @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
 */
(function (factory) {
    if (typeof module === "object" && typeof module.exports === "object") {
        var v = factory(require, exports);
        if (v !== undefined) module.exports = v;
    }
    else if (typeof define === "function" && define.amd) {
        define("@angular/cdk/schematics/ng-add/index", ["require", "exports", "@angular-devkit/schematics/tasks", "@angular/cdk/schematics/ng-add/package-config"], factory);
    }
})(function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    const tasks_1 = require("@angular-devkit/schematics/tasks");
    const package_config_1 = require("@angular/cdk/schematics/ng-add/package-config");
    /** Name of the Angular CDK version that is shipped together with the schematics. */
    exports.cdkVersion = loadPackageVersionGracefully('@angular/cdk');
    /**
     * Schematic factory entry-point for the `ng-add` schematic. The ng-add schematic will be
     * automatically executed if developers run `ng add @angular/cdk`.
     *
     * By default, the CLI already installs the package that has been specified with `ng add`.
     * We just store the version in the `package.json` in case the package manager didn't. Also
     * this ensures that there will be no error that says that the CDK does not support `ng add`.
     */
    function default_1() {
        return (host, context) => {
            // The CLI inserts `@angular/cdk` into the `package.json` before this schematic runs. This
            // means that we do not need to insert the CDK into `package.json` files again. In some cases
            // though, it could happen that this schematic runs outside of the CLI `ng add` command, or
            // the CDK is only listed as a dev dependency. If that is the case, we insert a version based
            // on the current build version (substituted version placeholder).
            if (package_config_1.getPackageVersionFromPackageJson(host, '@angular/cdk') === null) {
                // In order to align the CDK version with other Angular dependencies that are setup by
                // `@schematics/angular`, we use tilde instead of caret. This is default for Angular
                // dependencies in new CLI projects.
                package_config_1.addPackageToPackageJson(host, '@angular/cdk', `~9.0.0-rc.10`);
                // Add a task to run the package manager. This is necessary because we updated the
                // workspace "package.json" file and we want lock files to reflect the new version range.
                context.addTask(new tasks_1.NodePackageInstallTask());
            }
        };
    }
    exports.default = default_1;
    /** Loads the full version from the given Angular package gracefully. */
    function loadPackageVersionGracefully(packageName) {
        try {
            return require(`${packageName}/package.json`).version;
        }
        catch (_a) {
            return null;
        }
    }
});
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