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microsoft/vscode-react-native

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vscode-react-native/src/extension

src/extension/rn-extension.ts

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1// Copyright (c) Microsoft Corporation. All rights reserved.
2// Licensed under the MIT license. See LICENSE file in the project root for details.
3
4import * as fs from "fs";
5
6// @ifdef DEBUG
7try {
8 fs.statSync(`${__filename}.map`); // We check if source maps are available
9 /* tslint:disable:no-var-requires */
10 require("source-map-support").install(); // If they are, we enable stack traces translation to typescript
11 /* tslint:enable:no-var-requires */
12} catch (exceptions) {
13 // If something goes wrong, we just ignore the errors
14}
15// @endif
16
17import * as Q from "q";
18import * as path from "path";
19import * as vscode from "vscode";
20
21import {FileSystem} from "../common/node/fileSystem";
22import {CommandPaletteHandler} from "./commandPaletteHandler";
23import {Packager} from "../common/packager";
24import {EntryPointHandler} from "../common/entryPointHandler";
25import {ErrorHelper} from "../common/error/errorHelper";
26import {InternalError} from "../common/error/internalError";
27import {InternalErrorCode} from "../common/error/internalErrorCode";
28import {Log} from "../common/log/log";
29import {PackagerStatusIndicator} from "./packagerStatusIndicator";
30import {ReactNativeProjectHelper} from "../common/reactNativeProjectHelper";
31import {ReactDirManager} from "./reactDirManager";
32import {IntellisenseHelper} from "./intellisenseHelper";
33import {Telemetry} from "../common/telemetry";
34import {TelemetryHelper} from "../common/telemetryHelper";
35import {ExtensionServer} from "./extensionServer";
36import {OutputChannelLogger} from "./outputChannelLogger";
37
38/* all components use the same packager instance */
39const globalPackager = new Packager(vscode.workspace.rootPath);
40const packagerStatusIndicator = new PackagerStatusIndicator();
41const commandPaletteHandler = new CommandPaletteHandler(vscode.workspace.rootPath, globalPackager, packagerStatusIndicator);
42
43const outputChannelLogger = new OutputChannelLogger(vscode.window.createOutputChannel("React-Native"));
44const entryPointHandler = new EntryPointHandler(false, outputChannelLogger);
45const reactNativeProjectHelper = new ReactNativeProjectHelper(vscode.workspace.rootPath);
46const fsUtil = new FileSystem();
47
48interface ISetupableDisposable extends vscode.Disposable {
49 setup(): Q.Promise<any>;
50}
51
52export function activate(context: vscode.ExtensionContext): void {
53 entryPointHandler.runApp("react-native", () => <string>require("../../package.json").version,
54 ErrorHelper.getInternalError(InternalErrorCode.ExtensionActivationFailed), () => {
55 return reactNativeProjectHelper.isReactNativeProject()
56 .then(isRNProject => {
57 if (isRNProject) {
58 let activateExtensionEvent = TelemetryHelper.createTelemetryEvent("activate");
59 Telemetry.send(activateExtensionEvent);
60
61 warnWhenReactNativeVersionIsNotSupported();
62 entryPointHandler.runFunction("debugger.setupLauncherStub",
63 ErrorHelper.getInternalError(InternalErrorCode.DebuggerStubLauncherFailed), () =>
64 setupReactNativeDebugger()
65 .then(() =>
66 setupAndDispose(new ReactDirManager(), context))
67 .then(() =>
68 setupAndDispose(new ExtensionServer(globalPackager, packagerStatusIndicator), context))
69 .then(() => {}));
70 entryPointHandler.runFunction("intelliSense.setup",
71 ErrorHelper.getInternalError(InternalErrorCode.IntellisenseSetupFailed), () =>
72 IntellisenseHelper.setupReactNativeIntellisense());
73 }
74 entryPointHandler.runFunction("debugger.setupNodeDebuggerLocation",
75 ErrorHelper.getInternalError(InternalErrorCode.NodeDebuggerConfigurationFailed), () =>
76 configureNodeDebuggerLocation());
77 registerReactNativeCommands(context);
78 });
79 });
80}
81
82export function deactivate(): void {
83 // Kill any packager processes that we spawned
84 entryPointHandler.runFunction("extension.deactivate",
85 ErrorHelper.getInternalError(InternalErrorCode.FailedToStopPackagerOnExit),
86 () => {
87 commandPaletteHandler.stopPackager();
88 }, /*errorsAreFatal*/ true);
89}
90
91function configureNodeDebuggerLocation(): Q.Promise<void> {
92 const nodeDebugExtension = vscode.extensions.getExtension("ms-vscode.node-debug") // We try to get the new version
93 || vscode.extensions.getExtension("andreweinand.node-debug"); // If it's not available, we try to get the old version
94 if (!nodeDebugExtension) {
95 return Q.reject<void>(ErrorHelper.getInternalError(InternalErrorCode.CouldNotFindLocationOfNodeDebugger));
96 }
97 const nodeDebugPath = nodeDebugExtension.extensionPath;
98 return fsUtil.writeFile(path.resolve(__dirname, "../", "debugger", "nodeDebugLocation.json"), JSON.stringify({ nodeDebugPath }));
99}
100
101function setupAndDispose<T extends ISetupableDisposable>(setuptableDisposable: T, context: vscode.ExtensionContext): Q.Promise<T> {
102 return setuptableDisposable.setup()
103 .then(() => {
104 context.subscriptions.push(setuptableDisposable);
105 return setuptableDisposable;
106 });
107}
108
109function warnWhenReactNativeVersionIsNotSupported(): void {
110 return reactNativeProjectHelper.validateReactNativeVersion().done(() => { }, reason => {
111 TelemetryHelper.sendSimpleEvent("unsupportedRNVersion", { rnVersion: reason });
112 const shortMessage = `React Native Tools need React Native version 0.19.0 or later to be installed in <PROJECT_ROOT>/node_modules/`;
113 const longMessage = `${shortMessage}: ${reason}`;
114 vscode.window.showWarningMessage(shortMessage);
115 Log.logMessage(longMessage);
116 });
117}
118
119function registerReactNativeCommands(context: vscode.ExtensionContext): void {
120 // Register React Native commands
121 registerVSCodeCommand(context, "runAndroid", ErrorHelper.getInternalError(InternalErrorCode.FailedToRunOnAndroid), () => commandPaletteHandler.runAndroid());
122 registerVSCodeCommand(context, "runIos", ErrorHelper.getInternalError(InternalErrorCode.FailedToRunOnIos), () => commandPaletteHandler.runIos());
123 registerVSCodeCommand(context, "startPackager", ErrorHelper.getInternalError(InternalErrorCode.FailedToStartPackager), () => commandPaletteHandler.startPackager());
124 registerVSCodeCommand(context, "stopPackager", ErrorHelper.getInternalError(InternalErrorCode.FailedToStopPackager), () => commandPaletteHandler.stopPackager());
125}
126
127function registerVSCodeCommand(
128 context: vscode.ExtensionContext, commandName: string,
129 error: InternalError, commandHandler: () => Q.Promise<void>): void {
130 context.subscriptions.push(vscode.commands.registerCommand(
131 `reactNative.${commandName}`,
132 () =>
133 entryPointHandler.runFunction(
134 `commandPalette.${commandName}`, error,
135 commandHandler)));
136}
137
138/**
139 * Sets up the debugger for the React Native project by dropping
140 * the debugger stub into the workspace
141 */
142function setupReactNativeDebugger(): Q.Promise<void> {
143 const launcherPath = require.resolve("../debugger/launcher");
144 const pkg = require("../../package.json");
145 const extensionVersionNumber = pkg.version;
146 const extensionName = pkg.name;
147
148 let debuggerEntryCode =
149 `// This file is automatically generated by ${extensionName}@${extensionVersionNumber}
150// Please do not modify it manually. All changes will be lost.
151try {
152 var path = require("path");
153 var Launcher = require(${JSON.stringify(launcherPath)}).Launcher;
154 new Launcher(path.resolve(__dirname, "..")).launch();
155} catch (e) {
156 throw new Error("Unable to launch application. Try deleting .vscode/launchReactNative.js and restarting vscode.");
157}`;
158
159 const vscodeFolder = path.join(vscode.workspace.rootPath, ".vscode");
160 const debugStub = path.join(vscodeFolder, "launchReactNative.js");
161
162 return fsUtil.ensureDirectory(vscodeFolder)
163 .then(() => fsUtil.ensureFileWithContents(debugStub, debuggerEntryCode))
164 .catch((err: Error) => {
165 vscode.window.showErrorMessage(err.message);
166 });
167}