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vscode-react-native/src/common/node

src/common/node/package.ts

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a31b007cunknown10 years ago1// Copyright (c) Microsoft Corporation. All rights reserved.
2// Licensed under the MIT license. See LICENSE file in the project root for details.
3
3fb37ad5unknown10 years ago4import * as pathModule from "path";
5
fc602bb6Yuri Skorokhodov7 years ago6import { ErrorHelper } from "../error/errorHelper";
7import { InternalErrorCode } from "../error/internalErrorCode";
09f6024fHeniker4 years ago8import { FileSystem } from "./fileSystem";
aab2095edigeff10 years ago9
61c4db14Meena Kunnathur Balakrishnan10 years ago10interface IPackageDependencyDict {
11[packageName: string]: string;
12}
13
3fb37ad5unknown10 years ago14export interface IPackageInformation {
15name: string;
61c4db14Meena Kunnathur Balakrishnan10 years ago16version: string;
17dependencies?: IPackageDependencyDict;
18main?: string;
bd539474digeff10 years ago19[key: string]: any;
3fb37ad5unknown10 years ago20}
21
22export class Package {
23private INFORMATION_PACKAGE_FILENAME = "package.json";
bd539474digeff10 years ago24private DEPENDENCIES_SUBFOLDER = "node_modules";
3fb37ad5unknown10 years ago25
aab2095edigeff10 years ago26private fileSystem: FileSystem;
27
28private _path: string;
29
30constructor(path: string, { fileSystem = new FileSystem() } = {}) {
3fb37ad5unknown10 years ago31this._path = path;
aab2095edigeff10 years ago32this.fileSystem = fileSystem;
3fb37ad5unknown10 years ago33}
34
ce5e88eeYuri Skorokhodov5 years ago35public getPackageVersionFromNodeModules(packageName: string): Promise<string> {
7fa90b3bRedMickey6 years ago36return this.dependencyPackage(packageName).version();
37}
38
0d77292aJiglioNero4 years ago39public async parsePackageInformation(): Promise<IPackageInformation> {
40const data = await this.fileSystem.readFile(this.informationJsonFilePath(), "utf8");
41return <IPackageInformation>JSON.parse(data.toString());
3fb37ad5unknown10 years ago42}
43
ce5e88eeYuri Skorokhodov5 years ago44public name(): Promise<string> {
bd539474digeff10 years ago45return this.parseProperty("name");
3fb37ad5unknown10 years ago46}
47
ce5e88eeYuri Skorokhodov5 years ago48public dependencies(): Promise<IPackageDependencyDict> {
bd539474digeff10 years ago49return this.parseProperty("dependencies");
50}
51
ce5e88eeYuri Skorokhodov5 years ago52public devDependencies(): Promise<IPackageDependencyDict> {
af1474acRedMickey6 years ago53return this.parseProperty("devDependencies");
54}
55
0d77292aJiglioNero4 years ago56public async version(): Promise<string> {
57const version = await this.parseProperty("version");
58if (typeof version === "string") {
59return version;
60}
61throw ErrorHelper.getInternalError(
62InternalErrorCode.CouldNotParsePackageVersion,
63this.informationJsonFilePath(),
64version,
34472878RedMickey5 years ago65);
3fb37ad5unknown10 years ago66}
3736c251dlebu10 years ago67
0d77292aJiglioNero4 years ago68public async setMainFile(value: string): Promise<void> {
69const packageInformation = await this.parsePackageInformation();
70packageInformation.main = value;
71return this.fileSystem.writeFile(
72this.informationJsonFilePath(),
73JSON.stringify(<Record<string, any>>packageInformation),
74);
61c4db14Meena Kunnathur Balakrishnan10 years ago75}
aa27d69aMeena Kunnathur Balakrishnan10 years ago76
34472878RedMickey5 years ago77public dependencyPath(dependencyName: string): string {
bd539474digeff10 years ago78return pathModule.resolve(this._path, this.DEPENDENCIES_SUBFOLDER, dependencyName);
79}
80
81public dependencyPackage(dependencyName: string): Package {
34472878RedMickey5 years ago82return new Package(this.dependencyPath(dependencyName), { fileSystem: this.fileSystem });
bd539474digeff10 years ago83}
84
aab2095edigeff10 years ago85public informationJsonFilePath(): string {
3736c251dlebu10 years ago86return pathModule.resolve(this._path, this.INFORMATION_PACKAGE_FILENAME);
87}
bd539474digeff10 years ago88
0d77292aJiglioNero4 years ago89private async parseProperty(name: string): Promise<any> {
90const packageInformation = await this.parsePackageInformation();
91return packageInformation[name];
bd539474digeff10 years ago92}
3d97c2a3Meena Kunnathur Balakrishnan10 years ago93}