microsoft/vscode-react-native
Publicmirrored from https://github.com/microsoft/vscode-react-nativeAvailable
src/extension/services/validationService/util.ts
85lines · modecode
| 1 | // Copyright (c) Microsoft Corporation. All rights reserved. |
| 2 | // Licensed under the MIT license. See LICENSE file in the project root for details. |
| 3 | |
| 4 | import * as cp from "child_process"; |
| 5 | import { promisify } from "util"; |
| 6 | import * as semver from "semver"; |
| 7 | import * as commandExists from "command-exists"; |
| 8 | |
| 9 | export const executeCommand = promisify(cp.exec); |
| 10 | export const normizeStr = (str: string): string => str.replace(/\r\n/g, "\n"); |
| 11 | |
| 12 | export const createNotFoundMessage = (str: string): string => |
| 13 | `Command not found. Make sure ${str} is installed`; |
| 14 | export const createVersionErrorMessage = (str: string): string => |
| 15 | `Version check failed. Make sure ${str} is working correctly`; |
| 16 | |
| 17 | interface IBasicCheckResult { |
| 18 | exists: boolean; |
| 19 | /** |
| 20 | * - 0 : within range |
| 21 | * - 1 : gt range |
| 22 | * - -1 : lt range*/ |
| 23 | versionCompare?: 0 | 1 | -1; |
| 24 | } |
| 25 | |
| 26 | export const basicCheck = async (arg: { |
| 27 | command: string; |
| 28 | getVersion?: () => Promise<string | null | undefined>; |
| 29 | versionRange?: semver.Range | string; |
| 30 | }): Promise<IBasicCheckResult> => { |
| 31 | const result = { |
| 32 | exists: true, |
| 33 | } as IBasicCheckResult; |
| 34 | |
| 35 | if (!commandExists.sync(arg.command)) { |
| 36 | result.exists = false; |
| 37 | return result; |
| 38 | } |
| 39 | |
| 40 | const version = await arg.getVersion?.(); |
| 41 | |
| 42 | if (!version) { |
| 43 | return result; |
| 44 | } |
| 45 | |
| 46 | if (!arg.versionRange) { |
| 47 | result.versionCompare = 0; |
| 48 | return result; |
| 49 | } |
| 50 | |
| 51 | result.versionCompare = semver.gtr(version, arg.versionRange) |
| 52 | ? 1 |
| 53 | : semver.ltr(version, arg.versionRange) |
| 54 | ? -1 |
| 55 | : 0; |
| 56 | |
| 57 | return result; |
| 58 | }; |
| 59 | |
| 60 | /** Run command and parse output with regex. Get first capturing group. If command does not exist - throws an error. */ |
| 61 | export const parseVersion = async ( |
| 62 | command: string, |
| 63 | reg?: RegExp, |
| 64 | prop: "stdout" | "stderr" = "stdout", |
| 65 | ): Promise<semver.SemVer | null> => { |
| 66 | const data = await executeCommand(command).catch(() => {}); |
| 67 | |
| 68 | if (!data) { |
| 69 | return null; |
| 70 | } |
| 71 | |
| 72 | const text = normizeStr(data[prop]); |
| 73 | return semver.coerce(reg ? reg.exec(text)?.[1] : text); |
| 74 | }; |
| 75 | |
| 76 | // change typescript lib to es2019 ? |
| 77 | export const fromEntries = <T = any, J extends PropertyKey = PropertyKey>( |
| 78 | entries: Iterable<readonly [J, T]>, |
| 79 | ): Record<J, T> => |
| 80 | [...entries].reduce((obj, [key, val]) => { |
| 81 | obj[key] = val; |
| 82 | return obj; |
| 83 | }, {} as Record<J, T>); |
| 84 | |
| 85 | // export const flatten = (ary: any[]): unknown[] => |