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103 changes: 103 additions & 0 deletions
103
packages/composable-cli/src/lib/detect-package-manager.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| import { promises as fs } from "fs" | ||
| import { resolve } from "path" | ||
| import { execa } from "execa" | ||
|
|
||
| export type PM = "npm" | "yarn" | "pnpm" | "bun" | ||
|
|
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| /** | ||
| * Check if a path exists | ||
| */ | ||
| async function pathExists(p: string) { | ||
| try { | ||
| await fs.access(p) | ||
| return true | ||
| } catch { | ||
| return false | ||
| } | ||
| } | ||
|
|
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| const cache = new Map() | ||
|
|
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| /** | ||
| * Check if a global pm is available | ||
| */ | ||
| function hasGlobalInstallation(pm: PM): Promise<boolean> { | ||
| const key = `has_global_${pm}` | ||
| if (cache.has(key)) { | ||
| return Promise.resolve(cache.get(key)) | ||
| } | ||
|
|
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| return execa(pm, ["--version"]) | ||
| .then((res) => { | ||
| return /^\d+.\d+.\d+$/.test(res.stdout) | ||
| }) | ||
| .then((value) => { | ||
| cache.set(key, value) | ||
| return value | ||
| }) | ||
| .catch(() => false) | ||
| } | ||
|
|
||
| function getTypeofLockFile(cwd = "."): Promise<PM | null> { | ||
| const key = `lockfile_${cwd}` | ||
| if (cache.has(key)) { | ||
| return Promise.resolve(cache.get(key)) | ||
| } | ||
|
|
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| return Promise.all([ | ||
| pathExists(resolve(cwd, "yarn.lock")), | ||
| pathExists(resolve(cwd, "package-lock.json")), | ||
| pathExists(resolve(cwd, "pnpm-lock.yaml")), | ||
| pathExists(resolve(cwd, "bun.lockb")), | ||
| ]).then(([isYarn, isNpm, isPnpm, isBun]) => { | ||
| let value: PM | null = null | ||
|
|
||
| if (isYarn) { | ||
| value = "yarn" | ||
| } else if (isPnpm) { | ||
| value = "pnpm" | ||
| } else if (isBun) { | ||
| value = "bun" | ||
| } else if (isNpm) { | ||
| value = "npm" | ||
| } | ||
|
|
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| cache.set(key, value) | ||
| return value | ||
| }) | ||
| } | ||
|
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| const detect = async ({ | ||
| cwd, | ||
| includeGlobalBun, | ||
| }: { cwd?: string; includeGlobalBun?: boolean } = {}) => { | ||
| const type = await getTypeofLockFile(cwd) | ||
| if (type) { | ||
| return type | ||
| } | ||
| const [hasYarn, hasPnpm, hasBun] = await Promise.all([ | ||
| hasGlobalInstallation("yarn"), | ||
| hasGlobalInstallation("pnpm"), | ||
| includeGlobalBun && hasGlobalInstallation("bun"), | ||
| ]) | ||
| if (hasYarn) { | ||
| return "yarn" | ||
| } | ||
| if (hasPnpm) { | ||
| return "pnpm" | ||
| } | ||
| if (hasBun) { | ||
| return "bun" | ||
| } | ||
| return "npm" | ||
| } | ||
|
|
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| export { detect } | ||
|
|
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| export function getNpmVersion(pm: PM) { | ||
| return execa(pm || "npm", ["--version"]).then((res) => res.stdout) | ||
| } | ||
|
|
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| export function clearCache() { | ||
| return cache.clear() | ||
| } |