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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";
bd539474digeff10 years ago5import * as Q from "q";
3fb37ad5unknown10 years ago6
aab2095edigeff10 years ago7import {FileSystem} from "./fileSystem";
fc602bb6Yuri Skorokhodov7 years ago8import { ErrorHelper } from "../error/errorHelper";
9import { InternalErrorCode } from "../error/internalErrorCode";
aab2095edigeff10 years ago10
61c4db14Meena Kunnathur Balakrishnan10 years ago11interface IPackageDependencyDict {
12[packageName: string]: string;
13}
14
3fb37ad5unknown10 years ago15export interface IPackageInformation {
16name: string;
61c4db14Meena Kunnathur Balakrishnan10 years ago17version: string;
18dependencies?: IPackageDependencyDict;
19main?: string;
bd539474digeff10 years ago20[key: string]: any;
3fb37ad5unknown10 years ago21}
22
23export class Package {
24private INFORMATION_PACKAGE_FILENAME = "package.json";
bd539474digeff10 years ago25private DEPENDENCIES_SUBFOLDER = "node_modules";
3fb37ad5unknown10 years ago26
aab2095edigeff10 years ago27private fileSystem: FileSystem;
28
29private _path: string;
30
31constructor(path: string, { fileSystem = new FileSystem() } = {}) {
3fb37ad5unknown10 years ago32this._path = path;
aab2095edigeff10 years ago33this.fileSystem = fileSystem;
3fb37ad5unknown10 years ago34}
35
7fa90b3bRedMickey6 years ago36public getPackageVersionFromNodeModules(packageName: string): Q.Promise<string> {
37return this.dependencyPackage(packageName).version();
38}
39
e639e7a4Daniel10 years ago40public parsePackageInformation(): Q.Promise<IPackageInformation> {
aab2095edigeff10 years ago41return this.fileSystem.readFile(this.informationJsonFilePath(), "utf8")
3fb37ad5unknown10 years ago42.then(data =>
43<IPackageInformation>JSON.parse(data));
44}
45
46public name(): Q.Promise<string> {
bd539474digeff10 years ago47return this.parseProperty("name");
3fb37ad5unknown10 years ago48}
49
61c4db14Meena Kunnathur Balakrishnan10 years ago50public dependencies(): Q.Promise<IPackageDependencyDict> {
bd539474digeff10 years ago51return this.parseProperty("dependencies");
52}
53
af1474acRedMickey6 years ago54public devDependencies(): Q.Promise<IPackageDependencyDict> {
55return this.parseProperty("devDependencies");
56}
57
bd539474digeff10 years ago58public version(): Q.Promise<string> {
59return this.parseProperty("version").then(version =>
60typeof version === "string"
61? version
fc602bb6Yuri Skorokhodov7 years ago62: Q.reject<string>(ErrorHelper.getInternalError(InternalErrorCode.CouldNotParsePackageVersion, this.informationJsonFilePath(), version)));
3fb37ad5unknown10 years ago63}
3736c251dlebu10 years ago64
61c4db14Meena Kunnathur Balakrishnan10 years ago65public setMainFile(value: string): Q.Promise<void> {
66return this.parsePackageInformation()
b031edc7digeff10 years ago67.then(packageInformation => {
68packageInformation.main = value;
90d15117JiglioNero6 years ago69return this.fileSystem.writeFile(this.informationJsonFilePath(), JSON.stringify(<Record<string, any>>packageInformation));
b031edc7digeff10 years ago70});
61c4db14Meena Kunnathur Balakrishnan10 years ago71}
aa27d69aMeena Kunnathur Balakrishnan10 years ago72
bd539474digeff10 years ago73public dependencyPath(dependencyName: string) {
74return pathModule.resolve(this._path, this.DEPENDENCIES_SUBFOLDER, dependencyName);
75}
76
77public dependencyPackage(dependencyName: string): Package {
aab2095edigeff10 years ago78return new Package(this.dependencyPath(dependencyName), { fileSystem: this.fileSystem});
bd539474digeff10 years ago79}
80
aab2095edigeff10 years ago81public informationJsonFilePath(): string {
3736c251dlebu10 years ago82return pathModule.resolve(this._path, this.INFORMATION_PACKAGE_FILENAME);
83}
bd539474digeff10 years ago84
85private parseProperty(name: string): Q.Promise<any> {
86return this.parsePackageInformation()
aab2095edigeff10 years ago87.then(packageInformation =>
88packageInformation[name]);
bd539474digeff10 years ago89}
3d97c2a3Meena Kunnathur Balakrishnan10 years ago90}