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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/${pipeName}`;
54 }
55
56 public getPlatformId(): HostPlatformId {
57 return HostPlatformId.WINDOWS;
58 }
59
60 public getUserID(): string {
61 return process.env.USERNAME || "";
62 }
63
64 public isCompatibleWithTarget(targetPlatformId: TargetPlatformId): boolean {
65 switch (targetPlatformId) {
66 case TargetPlatformId.ANDROID:
67 case TargetPlatformId.EXPONENT:
68 case TargetPlatformId.WINDOWS:
69 return true;
70 default:
71 return false;
72 }
73 }
74}
75
76abstract class UnixHostPlatform implements IHostPlatform {
77 public getUserHomePath(): string {
78 return process.env.HOME || "";
79 }
80
81 public abstract setEnvironmentVariable(name: string, value: string): Q.Promise<any>;
82
83 public getSettingsHome(): string {
84 return path.join(process.env.HOME || "", ".vscode-react-native");
85 }
86
87 public getNpmCliCommand(packageName: string): string {
88 return packageName;
89 }
90
91 public getPipePath(pipeName: string): string {
92 return `/tmp/${pipeName}.sock`;
93 }
94
95 public abstract getPlatformId(): HostPlatformId;
96
97 public abstract getUserID(): string;
98
99 public abstract isCompatibleWithTarget(targetPlatformId: TargetPlatformId): boolean;
100}
101
102/**
103 * IHostPlatform implemenation for the OSX platform.
104 */
105class OSXHostPlatform extends UnixHostPlatform {
106 public setEnvironmentVariable(name: string, value: string): Q.Promise<any> {
107 return new ChildProcess().exec(`launchctl setenv ${name} ${value}`).outcome;
108 }
109
110 public getPlatformId(): HostPlatformId {
111 return HostPlatformId.OSX;
112 }
113
114 public getUserID(): string {
115 return process.env.LOGNAME || "";
116 }
117
118 public isCompatibleWithTarget(targetPlatformId: TargetPlatformId): boolean {
119 switch (targetPlatformId) {
120 case TargetPlatformId.ANDROID:
121 case TargetPlatformId.EXPONENT:
122 case TargetPlatformId.IOS:
123 return true;
124 default:
125 return false;
126 }
127 }
128}
129
130/**
131 * IHostPlatform implemenation for the Linux platform.
132 */
133class LinuxHostPlatform extends UnixHostPlatform {
134 public setEnvironmentVariable(name: string, value: string): Q.Promise<any> {
135 return new ChildProcess().exec(`export ${name}=${value}`).outcome;
136 }
137
138 public getPlatformId(): HostPlatformId {
139 return HostPlatformId.LINUX;
140 }
141
142 public getUserID(): string {
143 return process.env.USER || "";
144 }
145
146 public isCompatibleWithTarget(targetPlatformId: TargetPlatformId): boolean {
147 switch (targetPlatformId) {
148 case TargetPlatformId.ANDROID:
149 case TargetPlatformId.EXPONENT:
150 return true;
151 default:
152 return false;
153 }
154 }
155}
156
157/**
158 * Allows platform specific operations based on the user's OS.
159 */
160export class HostPlatform {
161
162 private static platformInstance: IHostPlatform;
163
164 /**
165 * Resolves the dev machine, desktop platform.
166 */
167 private static get platform(): IHostPlatform {
168 if (!HostPlatform.platformInstance) {
169 switch (process.platform) {
170 case "win32":
171 HostPlatform.platformInstance = new WindowsHostPlatform();
172 break;
173 case "darwin":
174 HostPlatform.platformInstance = new OSXHostPlatform();
175 break;
176 case "linux":
177 HostPlatform.platformInstance = new LinuxHostPlatform();
178 break;
179 default:
180 HostPlatform.platformInstance = new LinuxHostPlatform();
181 break;
182 }
183 }
184
185 return HostPlatform.platformInstance;
186 }
187
188 public static getUserHomePath(): string {
189 return HostPlatform.platform.getUserHomePath();
190 }
191
192 public static getSettingsHome(): string {
193 return HostPlatform.platform.getSettingsHome();
194 }
195
196 public static getNpmCliCommand(packageName: string): string {
197 return HostPlatform.platform.getNpmCliCommand(packageName);
198 }
199
200 public static getPipePath(pipeName: string): string {
201 return HostPlatform.platform.getPipePath(pipeName);
202 }
203
204 public static getPlatformId(): HostPlatformId {
205 return HostPlatform.platform.getPlatformId();
206 }
207
208 public static setEnvironmentVariable(name: string, value: string): Q.Promise<void> {
209 return HostPlatform.platform.setEnvironmentVariable(name, value);
210 }
211
212 /* Returns a value that is unique for each user of this computer */
213 public static getUserID(): string {
214 return HostPlatform.platform.getUserID();
215 }
216
217 public static isCompatibleWithTarget(targetPlatformId: TargetPlatformId): boolean {
218 return HostPlatform.platform.isCompatibleWithTarget(targetPlatformId);
219 }
220}
221