/
index.ts
32 lines (30 loc) · 967 Bytes
/
index.ts
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import validateNpmPackageName from 'validate-npm-package-name'
interface ParsedWantedDependency {
alias: string
pref: string
}
export default function parseWantedDependency (
rawWantedDependency: string
): Partial<ParsedWantedDependency> & (Omit<ParsedWantedDependency, 'pref'> | Omit<ParsedWantedDependency, 'alias'> | ParsedWantedDependency) {
const versionDelimiter = rawWantedDependency.indexOf('@', 1) // starting from 1 to skip the @ that marks scope
if (versionDelimiter !== -1) {
const alias = rawWantedDependency.slice(0, versionDelimiter)
if (validateNpmPackageName(alias).validForOldPackages) {
return {
alias,
pref: rawWantedDependency.slice(versionDelimiter + 1),
}
}
return {
pref: rawWantedDependency,
}
}
if (validateNpmPackageName(rawWantedDependency).validForOldPackages) {
return {
alias: rawWantedDependency,
}
}
return {
pref: rawWantedDependency,
}
}