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vscode-react-native/src/common

src/common/hostPlatform.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 {ChildProcess} from "./node/childProcess";
5import {TargetPlatformId} from "./targetPlatformHelper";
6import * as path from "path";
7import * as Q from "q";
8
9/**
10 * Interface defining the host (desktop) platform specific operations.
11 */
12interface IHostPlatform {
13 getUserHomePath(): string;
14 getSettingsHome(): string;
15 getNpmCliCommand(packageName: string): string;
16 getPipePath(pipeName: string): string;
17 getPlatformId(): HostPlatformId;
18 setEnvironmentVariable(name: string, value: string): Q.Promise<void>;
19 getUserID(): string;
20 isCompatibleWithTarget(targetPlatformId: TargetPlatformId): boolean;
21}
22
23/**
24 * Defines the identifiers of all the platforms we support.
25 */
26export enum HostPlatformId {
27 WINDOWS,
28 OSX,
29 LINUX
30}
31
32/**
33 * IHostPlatform implemenation for the Windows platform.
34 */
35class WindowsHostPlatform implements IHostPlatform {
36 public getUserHomePath(): string {
37 return process.env.USERPROFILE;
38 }
39
40 public setEnvironmentVariable(name: string, value: string): Q.Promise<any> {
41 return new ChildProcess().exec(`setx ${name} ${value}`).outcome;
42 }
43
44 public getSettingsHome(): string {
45 return path.join(process.env.APPDATA, "vscode-react-native");
46 }
47
48 public getNpmCliCommand(cliName: string): string {
49 return `${cliName}.cmd`;
50 }
51
52 public getPipePath(pipeName: string): string {
53 return `\\\\?\\pipe\\${pipeName}`;
54 }
55
56 public getPlatformId(): HostPlatformId {
57 return HostPlatformId.WINDOWS;
58 }
59
60 public getUserID(): string {
61 return process.env.USERNAME;
62 }
63
64 public isCompatibleWithTarget(targetPlatformId: TargetPlatformId): boolean {
65 return targetPlatformId === TargetPlatformId.ANDROID;
66 }
67}
68
69abstract class UnixHostPlatform implements IHostPlatform {
70 public getUserHomePath(): string {
71 return process.env.HOME;
72 }
73
74 public abstract setEnvironmentVariable(name: string, value: string): Q.Promise<any>;
75
76 public getSettingsHome(): string {
77 return path.join(process.env.HOME, ".vscode-react-native");
78 }
79
80 public getNpmCliCommand(packageName: string): string {
81 return packageName;
82 }
83
84 public getPipePath(pipeName: string): string {
85 return `/tmp/${pipeName}.sock`;
86 }
87
88 public abstract getPlatformId(): HostPlatformId;
89
90 public abstract getUserID(): string;
91
92 public abstract isCompatibleWithTarget(targetPlatformId: TargetPlatformId): boolean;
93}
94
95/**
96 * IHostPlatform implemenation for the OSX platform.
97 */
98class OSXHostPlatform extends UnixHostPlatform {
99 public setEnvironmentVariable(name: string, value: string): Q.Promise<any> {
100 return new ChildProcess().exec(`launchctl setenv ${name} ${value}`).outcome;
101 }
102
103 public getPlatformId(): HostPlatformId {
104 return HostPlatformId.OSX;
105 }
106
107 public getUserID(): string {
108 return process.env.LOGNAME;
109 }
110
111 public isCompatibleWithTarget(targetPlatformId: TargetPlatformId): boolean {
112 return targetPlatformId === TargetPlatformId.ANDROID || targetPlatformId === TargetPlatformId.IOS;
113 }
114}
115
116/**
117 * IHostPlatform implemenation for the Linux platform.
118 */
119class LinuxHostPlatform extends UnixHostPlatform {
120 public setEnvironmentVariable(name: string, value: string): Q.Promise<any> {
121 return new ChildProcess().exec(`export ${name}=${value}`).outcome;
122 }
123
124 public getPlatformId(): HostPlatformId {
125 return HostPlatformId.LINUX;
126 }
127
128 public getUserID(): string {
129 return process.env.USER;
130 }
131
132 public isCompatibleWithTarget(targetPlatformId: TargetPlatformId): boolean {
133 return targetPlatformId === TargetPlatformId.ANDROID;
134 }
135}
136
137/**
138 * Allows platform specific operations based on the user's OS.
139 */
140export class HostPlatform {
141
142 private static platformInstance: IHostPlatform;
143
144 /**
145 * Resolves the dev machine, desktop platform.
146 */
147 private static get platform(): IHostPlatform {
148 if (!HostPlatform.platformInstance) {
149 switch (process.platform) {
150 case "win32":
151 HostPlatform.platformInstance = new WindowsHostPlatform();
152 break;
153 case "darwin":
154 HostPlatform.platformInstance = new OSXHostPlatform();
155 break;
156 case "linux":
157 HostPlatform.platformInstance = new LinuxHostPlatform();
158 break;
159 default:
160 HostPlatform.platformInstance = new LinuxHostPlatform();
161 break;
162 }
163 }
164
165 return HostPlatform.platformInstance;
166 }
167
168 public static getUserHomePath(): string {
169 return HostPlatform.platform.getUserHomePath();
170 }
171
172 public static getSettingsHome(): string {
173 return HostPlatform.platform.getSettingsHome();
174 }
175
176 public static getNpmCliCommand(packageName: string): string {
177 return HostPlatform.platform.getNpmCliCommand(packageName);
178 }
179
180 public static getPipePath(pipeName: string): string {
181 return HostPlatform.platform.getPipePath(pipeName);
182 }
183
184 public static getPlatformId(): HostPlatformId {
185 return HostPlatform.platform.getPlatformId();
186 }
187
188 public static setEnvironmentVariable(name: string, value: string): Q.Promise<void> {
189 return HostPlatform.platform.setEnvironmentVariable(name, value);
190 }
191
192 /* Returns a value that is unique for each user of this computer */
193 public static getUserID(): string {
194 return HostPlatform.platform.getUserID();
195 }
196
197 public static isCompatibleWithTarget(targetPlatformId: TargetPlatformId): boolean {
198 return HostPlatform.platform.isCompatibleWithTarget(targetPlatformId);
199 }
200}
201