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chore: TS force install patches #68

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Merged
merged 1 commit into from
Nov 13, 2018
Merged

chore: TS force install patches #68

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26 changes: 13 additions & 13 deletions postinstall.js
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@ if (projectDir) {
createReferenceFile();
}

installTypescript(hasModules30);
installTypescript();
}

function createReferenceFile() {
Expand Down Expand Up @@ -63,16 +63,14 @@ function getProjectTypeScriptVersion() {
}
}

function installTypescript(hasModules30) {
function installTypescript() {
const installedTypeScriptVersion = getProjectTypeScriptVersion();
const force = shouldInstallLatest(installedTypeScriptVersion, hasModules30);
const force = shouldInstallLatest(installedTypeScriptVersion);

if (installedTypeScriptVersion && !force) {
console.log(`Project already targets TypeScript ${installedTypeScriptVersion}`);
} else {
const command = force ?
"npm install -D typescript@latest" :
"npm install -D -E typescript@2.1.6"; // install exactly 2.1.6
const command = "npm install -D typescript@latest";

console.log("Installing TypeScript...");

Expand All @@ -87,16 +85,18 @@ function installTypescript(hasModules30) {
}
}

function shouldInstallLatest(tsVersion, hasModules30) {
if (!hasModules30) {
return false;
function shouldInstallLatest(tsVersion) {
if (!tsVersion) {
return true;
}

const justVersion = clearPatch(tsVersion);
return !tsVersion ||
tsVersion === "2.2.0" ||
justVersion[0] < 2 || // ex. 1.8.10
justVersion[2] < 2; // ex. 2.1.6
const majorVer = justVersion[0];
const minorVer = justVersion[2];

return tsVersion === "2.2.0" ||
majorVer < 2 || // ex. 1.8.10
(majorVer === "2" && minorVer < 2); // ex. 2.1.6
}

function clearPatch(version) {
Expand Down