72 lines
1.3 KiB
TypeScript
72 lines
1.3 KiB
TypeScript
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import { spawn } from "bun"
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let tmuxPath: string | null = null
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let initPromise: Promise<string | null> | null = null
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async function findTmuxPath(): Promise<string | null> {
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const isWindows = process.platform === "win32"
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const cmd = isWindows ? "where" : "which"
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try {
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const proc = spawn([cmd, "tmux"], {
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stdout: "pipe",
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stderr: "pipe",
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})
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const exitCode = await proc.exited
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if (exitCode !== 0) {
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return null
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}
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const stdout = await new Response(proc.stdout).text()
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const path = stdout.trim().split("\n")[0]
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if (!path) {
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return null
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}
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const verifyProc = spawn([path, "-V"], {
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stdout: "pipe",
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stderr: "pipe",
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})
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const verifyExitCode = await verifyProc.exited
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if (verifyExitCode !== 0) {
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return null
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}
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return path
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} catch {
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return null
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}
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}
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export async function getTmuxPath(): Promise<string | null> {
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if (tmuxPath !== null) {
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return tmuxPath
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}
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if (initPromise) {
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return initPromise
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}
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initPromise = (async () => {
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const path = await findTmuxPath()
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tmuxPath = path
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return path
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})()
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return initPromise
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}
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export function getCachedTmuxPath(): string | null {
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return tmuxPath
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}
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export function startBackgroundCheck(): void {
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if (!initPromise) {
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initPromise = getTmuxPath()
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initPromise.catch(() => {})
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}
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}
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