nose-pluto/bin/help.ts

31 lines
732 B
TypeScript

// Show helpful information about a command.
//
// (Hopefully.)
import { commandPath } from "@/commands"
import type { CommandOutput } from "@/shared/types"
import commands from "./commands"
export default async function (cmd: string): Promise<CommandOutput> {
if (!cmd) return "usage: help <command>"
const path = commandPath(cmd)
if (!path) return await commands(cmd)
const code = (await Bun.file(path).text()).split("\n")
let docs = []
for (const line of code) {
if (line.startsWith("///")) {
docs.push("Runs in the browser.\n")
continue
} else if (line.startsWith("//")) {
docs.push(line.slice(2).trim())
} else if (line.trim()) {
break
}
}
return docs.join("\n")
}