61 lines
1.4 KiB
TypeScript
61 lines
1.4 KiB
TypeScript
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import { existsSync } from "fs"
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import { findSgCliPathSync, getSgCliPath, setSgCliPath } from "./constants"
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import { ensureAstGrepBinary } from "./downloader"
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let resolvedCliPath: string | null = null
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let initPromise: Promise<string | null> | null = null
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export async function getAstGrepPath(): Promise<string | null> {
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if (resolvedCliPath !== null && existsSync(resolvedCliPath)) {
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return resolvedCliPath
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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 syncPath = findSgCliPathSync()
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if (syncPath && existsSync(syncPath)) {
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resolvedCliPath = syncPath
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setSgCliPath(syncPath)
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return syncPath
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}
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const downloadedPath = await ensureAstGrepBinary()
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if (downloadedPath) {
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resolvedCliPath = downloadedPath
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setSgCliPath(downloadedPath)
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return downloadedPath
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}
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return null
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})()
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return initPromise
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}
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export function startBackgroundInit(): void {
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if (!initPromise) {
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initPromise = getAstGrepPath()
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initPromise.catch(() => {})
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}
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}
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export function isCliAvailable(): boolean {
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const path = findSgCliPathSync()
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return path !== null && existsSync(path)
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}
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export async function ensureCliAvailable(): Promise<boolean> {
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const path = await getAstGrepPath()
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return path !== null && existsSync(path)
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}
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export function getResolvedSgCliPath(): string | null {
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const path = getSgCliPath()
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if (path && existsSync(path)) return path
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return null
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}
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