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Commit21a0ff0

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committed
compare versions fn
Signed-off-by: shmck <shawn.j.mckay@gmail.com>
1 parent5513a1d commit21a0ff0

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4 files changed

+56
-4
lines changed

4 files changed

+56
-4
lines changed

‎package-lock.json

Lines changed: 29 additions & 3 deletions
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‎package.json

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@@ -39,6 +39,7 @@
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"@types/jest":"^25.2.1",
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"@types/jsdom":"^16.2.0",
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"@types/node":"^13.11.0",
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"@types/semver":"^7.1.0",
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"@typescript-eslint/eslint-plugin":"^2.26.0",
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"@typescript-eslint/parser":"^2.26.0",
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"chokidar":"^3.3.0",
@@ -49,6 +50,7 @@
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"jest":"^25.2.7",
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"jsdom":"^16.2.2",
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"prettier":"^2.0.2",
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"semver":"^7.2.2",
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"ts-jest":"^25.3.1",
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"typescript":"^3.8.3"
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},

‎src/services/dependencies/index.ts

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@@ -1,8 +1,10 @@
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import*asTTfrom'typings/tutorial'
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import{satisfies}from'semver'
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importnodefrom'../node'
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constsemverRegex=/(?<=^v?|\sv?)(?:0|[1-9]\d*)\.(?:0|[1-9]\d*)\.(?:0|[1-9]\d*)(?:-(?:0|[1-9]\d*|[\da-z-]*[a-z-][\da-z-]*)(?:\.(?:0|[1-9]\d*|[\da-z-]*[a-z-][\da-z-]*))*)?(?:\+[\da-z-]+(?:\.[\da-z-]+)*)?(?=$|\s)/gi
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exportconstgetVersion=async(name:string):Promise<string|null>=>{
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exportconstversion=async(name:string):Promise<string|null>=>{
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const{ stdout, stderr}=awaitnode.exec(`${name} --version`)
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if(!stderr){
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constmatch=stdout.match(semverRegex)
@@ -12,3 +14,24 @@ export const getVersion = async (name: string): Promise<string | null> => {
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}
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returnnull
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}
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exportconstcompareVersions=async({
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name,
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version:expectedVersion,
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message,
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}:TT.TutorialDependency):Promise<boolean>=>{
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constcurrentVersion=awaitversion(name)
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if(!currentVersion){
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// use a custom error message
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if(message){
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thrownewError(message)
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}
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thrownewError(`Process${name} is required but not found. It may need to be installed`)
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}
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// see node-semver docs: https://github.com/npm/node-semver
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constsatisfied:boolean=satisfies(currentVersion,expectedVersion)
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if(!satisfied){
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thrownewError(`Expected${name} to have version${expectedVersion}, but found version${currentVersion}`)
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}
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returntrue
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}

‎typings/tutorial.d.ts

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@@ -62,4 +62,5 @@ export interface TutorialRepo {
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exportinterfaceTutorialDependency{
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name:string
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version:string
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message?:string
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}

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