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add devEngines.packageManager detection logic for npm auto-caching

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Priyagupta108 2025-09-26 13:31:00 +05:30
parent 7024c214c6
commit 8f225c52ce
3 changed files with 141 additions and 27 deletions
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28
src/main.ts
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@ -138,7 +138,7 @@ function resolveVersionInput(): string {
}
export function getNameFromPackageManagerField(): string | undefined {
// Enable auto-cache for npm
const npmRegex = /^(\^)?npm(@.*)?$/; // matches "npm", "npm@...", "^npm@..."
try {
const packageJson = JSON.parse(
fs.readFileSync(
@ -146,13 +146,29 @@ export function getNameFromPackageManagerField(): string | undefined {
'utf-8'
)
);
const pm = packageJson.packageManager;
if (typeof pm === 'string') {
const match = pm.match(/^(?:\^)?(npm)@/);
return match ? match[1] : undefined;
// Check devEngines.packageManager first (object or array)
const devPM = packageJson?.devEngines?.packageManager;
if (devPM) {
if (Array.isArray(devPM)) {
for (const obj of devPM) {
if (typeof obj?.name === 'string' && npmRegex.test(obj.name)) {
return 'npm';
}
}
} else if (typeof devPM?.name === 'string' && npmRegex.test(devPM.name)) {
return 'npm';
}
}
// Check top-level packageManager
const topLevelPM = packageJson?.packageManager;
if (typeof topLevelPM === 'string' && npmRegex.test(topLevelPM)) {
return 'npm';
}
return undefined;
} catch (err) {
} catch {
return undefined;
}
}