"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
 */
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};
Object.defineProperty(exports, "__esModule", { value: true });
exports.addDependency = exports.ExistingBehavior = exports.InstallBehavior = exports.DependencyType = void 0;
const tasks_1 = require("@angular-devkit/schematics/tasks");
const path = __importStar(require("path"));
const installTasks = new WeakMap();
/**
 * An enum used to specify the type of a dependency found within a package manifest
 * file (`package.json`).
 */
var DependencyType;
(function (DependencyType) {
    DependencyType["Default"] = "dependencies";
    DependencyType["Dev"] = "devDependencies";
    DependencyType["Peer"] = "peerDependencies";
})(DependencyType || (exports.DependencyType = DependencyType = {}));
/**
 * An enum used to specify the dependency installation behavior for the {@link addDependency}
 * schematics rule. The installation behavior affects if and when {@link NodePackageInstallTask}
 * will be scheduled when using the rule.
 */
var InstallBehavior;
(function (InstallBehavior) {
    /**
     * No installation will occur as a result of the rule when specified.
     *
     * NOTE: This does not prevent other rules from scheduling a {@link NodePackageInstallTask}
     * which may install the dependency.
     */
    InstallBehavior[InstallBehavior["None"] = 0] = "None";
    /**
     * Automatically determine the need to schedule a {@link NodePackageInstallTask} based on
     * previous usage of the {@link addDependency} within the schematic.
     */
    InstallBehavior[InstallBehavior["Auto"] = 1] = "Auto";
    /**
     * Always schedule a {@link NodePackageInstallTask} when the rule is executed.
     */
    InstallBehavior[InstallBehavior["Always"] = 2] = "Always";
})(InstallBehavior || (exports.InstallBehavior = InstallBehavior = {}));
/**
 * An enum used to specify the existing dependency behavior for the {@link addDependency}
 * schematics rule. The existing behavior affects whether the named dependency will be added
 * to the `package.json` when the dependency is already present with a differing specifier.
 */
var ExistingBehavior;
(function (ExistingBehavior) {
    /**
     * The dependency will not be added or otherwise changed if it already exists.
     */
    ExistingBehavior[ExistingBehavior["Skip"] = 0] = "Skip";
    /**
     * The dependency's existing specifier will be replaced with the specifier provided in the
     * {@link addDependency} call. A warning will also be shown during schematic execution to
     * notify the user of the replacement.
     */
    ExistingBehavior[ExistingBehavior["Replace"] = 1] = "Replace";
})(ExistingBehavior || (exports.ExistingBehavior = ExistingBehavior = {}));
/**
 * Adds a package as a dependency to a `package.json`. By default the `package.json` located
 * at the schematic's root will be used. The `manifestPath` option can be used to explicitly specify
 * a `package.json` in different location. The type of the dependency can also be specified instead
 * of the default of the `dependencies` section by using the `type` option for either `devDependencies`
 * or `peerDependencies`.
 *
 * When using this rule, {@link NodePackageInstallTask} does not need to be included directly by
 * a schematic. A package manager install task will be automatically scheduled as needed.
 *
 * @param name The name of the package to add.
 * @param specifier The package specifier for the package to add. Typically a SemVer range.
 * @param options An optional object that can contain the `type` of the dependency
 * and/or a path (`packageJsonPath`) of a manifest file (`package.json`) to modify.
 * @returns A Schematics {@link Rule}
 */
function addDependency(name, specifier, options = {}) {
    const { type = DependencyType.Default, packageJsonPath = '/package.json', install = InstallBehavior.Auto, existing = ExistingBehavior.Replace, } = options;
    return (tree, context) => {
        const manifest = tree.readJson(packageJsonPath);
        const dependencySection = manifest[type];
        if (!dependencySection) {
            // Section is not present. The dependency can be added to a new object literal for the section.
            manifest[type] = { [name]: specifier };
        }
        else {
            const existingSpecifier = dependencySection[name];
            if (existingSpecifier === specifier) {
                // Already present with same specifier
                return;
            }
            if (existingSpecifier) {
                // Already present but different specifier
                if (existing === ExistingBehavior.Skip) {
                    return;
                }
                // ExistingBehavior.Replace is the only other behavior currently
                context.logger.warn(`Package dependency "${name}" already exists with a different specifier. ` +
                    `"${existingSpecifier}" will be replaced with "${specifier}".`);
            }
            // Add new dependency in alphabetical order
            const entries = Object.entries(dependencySection);
            entries.push([name, specifier]);
            entries.sort((a, b) => a[0].localeCompare(b[0]));
            manifest[type] = Object.fromEntries(entries);
        }
        tree.overwrite(packageJsonPath, JSON.stringify(manifest, null, 2));
        const installPaths = installTasks.get(context) ?? new Set();
        if (install === InstallBehavior.Always ||
            (install === InstallBehavior.Auto && !installPaths.has(packageJsonPath))) {
            context.addTask(new tasks_1.NodePackageInstallTask({ workingDirectory: path.dirname(packageJsonPath) }));
            installPaths.add(packageJsonPath);
            installTasks.set(context, installPaths);
        }
    };
}
exports.addDependency = addDependency;