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