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scanner-vscode.ts
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scanner-vscode.ts
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// *****************************************************************************
// Copyright (C) 2015-2021 Red Hat, Inc.
//
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License v. 2.0 which is available at
// http://www.eclipse.org/legal/epl-2.0.
//
// This Source Code may also be made available under the following Secondary
// Licenses when the conditions for such availability set forth in the Eclipse
// Public License v. 2.0 are satisfied: GNU General Public License, version 2
// with the GNU Classpath Exception which is available at
// https://www.gnu.org/software/classpath/license.html.
//
// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
// *****************************************************************************
import * as path from 'path';
import { injectable } from '@theia/core/shared/inversify';
import { PluginScanner, PluginEngine, PluginPackage, PluginModel, PluginLifecycle, PluginEntryPoint, buildFrontendModuleName, UIKind, PluginIdentifiers } from '@theia/plugin-ext';
import { TheiaPluginScanner } from '@theia/plugin-ext/lib/hosted/node/scanners/scanner-theia';
import { environment } from '@theia/core/shared/@theia/application-package/lib/environment';
import { VSCodeExtensionUri } from '../common/plugin-vscode-uri';
const uiKind = environment.electron.is() ? UIKind.Desktop : UIKind.Web;
@injectable()
export class VsCodePluginScanner extends TheiaPluginScanner implements PluginScanner {
private readonly VSCODE_TYPE: PluginEngine = 'vscode';
override get apiType(): PluginEngine {
return this.VSCODE_TYPE;
}
override getModel(plugin: PluginPackage): PluginModel {
// publisher can be empty on vscode extension development
const publisher = plugin.publisher ?? PluginIdentifiers.UNPUBLISHED;
// Only one entrypoint is valid in vscode extensions
// Mimic choosing frontend (web extension) and backend (local/remote extension) as described here:
// https://code.visualstudio.com/api/advanced-topics/extension-host#preferred-extension-location
const entryPoint: PluginEntryPoint = {};
// Act like codespaces when run in the browser (UIKind === 'web' and extensionKind is ['ui'])
const preferFrontend = uiKind === UIKind.Web && (plugin.extensionKind?.length === 1 && plugin.extensionKind[0] === 'ui');
if (plugin.browser && (!plugin.main || preferFrontend)) {
// Use frontend if available and there is no backend or frontend is preferred
entryPoint.frontend = plugin.browser;
} else {
// Default to using backend
entryPoint.backend = plugin.main;
}
if (plugin.theiaPlugin?.headless) {
// Support the Theia-specific extension for headless plugins
entryPoint.headless = plugin.theiaPlugin?.headless;
}
const result: PluginModel = {
packagePath: plugin.packagePath,
packageUri: this.pluginUriFactory.createUri(plugin).toString(),
// see id definition: https://github.com/microsoft/vscode/blob/15916055fe0cb9411a5f36119b3b012458fe0a1d/src/vs/platform/extensions/common/extensions.ts#L167-L169
id: `${publisher.toLowerCase()}.${plugin.name.toLowerCase()}`,
name: plugin.name,
publisher: publisher,
version: plugin.version,
displayName: plugin.displayName,
description: plugin.description,
engine: {
type: this.VSCODE_TYPE,
version: plugin.engines[this.VSCODE_TYPE]
},
entryPoint,
iconUrl: plugin.icon && PluginPackage.toPluginUrl(plugin, plugin.icon),
l10n: plugin.l10n,
readmeUrl: PluginPackage.toPluginUrl(plugin, './README.md'),
licenseUrl: PluginPackage.toPluginUrl(plugin, './LICENSE')
};
return result;
}
/**
* Maps extension dependencies to deployable extension dependencies.
*/
override getDependencies(plugin: PluginPackage): Map<string, string> | undefined {
// Store the list of dependencies.
const dependencies = new Map<string, string>();
// Iterate through the list of dependencies from `extensionDependencies` and `extensionPack`.
for (const dependency of [plugin.extensionDependencies, plugin.extensionPack]) {
if (dependency !== undefined) {
// Iterate over the list of dependencies present, and add them to the collection.
dependency.forEach((dep: string) => {
const dependencyId = dep.toLowerCase();
dependencies.set(dependencyId, VSCodeExtensionUri.fromId(dependencyId).toString());
});
}
}
// Return the map of dependencies if present, else `undefined`.
return dependencies.size > 0 ? dependencies : undefined;
}
override getLifecycle(plugin: PluginPackage): PluginLifecycle {
return {
startMethod: 'activate',
stopMethod: 'deactivate',
frontendModuleName: buildFrontendModuleName(plugin),
frontendInitPath: 'plugin-vscode-init-fe.js',
backendInitPath: path.join(__dirname, 'plugin-vscode-init'),
};
}
}