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import { Ghostty, Terminal as Term, FitAddon } from "ghostty-web"
import { ComponentProps, onCleanup, onMount, splitProps } from "solid-js"
import { useSDK } from "@/context/sdk"
import { SerializeAddon } from "@/addons/serialize"
import { LocalPTY } from "@/context/terminal"
import { usePrefersDark } from "@solid-primitives/media"
export interface TerminalProps extends ComponentProps<"div"> {
pty: LocalPTY
onSubmit?: () => void
onCleanup?: (pty: LocalPTY) => void
onConnectError?: (error: unknown) => void
}
export const Terminal = (props: TerminalProps) => {
const sdk = useSDK()
let container!: HTMLDivElement
const [local, others] = splitProps(props, ["pty", "class", "classList", "onConnectError"])
let ws: WebSocket
let term: Term
let ghostty: Ghostty
let serializeAddon: SerializeAddon
let fitAddon: FitAddon
let handleResize: () => void
const prefersDark = usePrefersDark()
onMount(async () => {
ghostty = await Ghostty.load()
ws = new WebSocket(sdk.url + `/pty/${local.pty.id}/connect?directory=${encodeURIComponent(sdk.directory)}`)
term = new Term({
cursorBlink: true,
fontSize: 14,
fontFamily: "IBM Plex Mono, monospace",
allowTransparency: true,
theme: prefersDark()
? {
background: "#191515",
foreground: "#d4d4d4",
cursor: "#d4d4d4",
}
: {
background: "#fcfcfc",
foreground: "#211e1e",
cursor: "#211e1e",
},
scrollback: 10_000,
ghostty,
})
term.attachCustomKeyEventHandler((event) => {
// allow for ctrl-` to toggle terminal in parent
if (event.ctrlKey && event.key.toLowerCase() === "`") {
event.preventDefault()
return true
}
return false
})
fitAddon = new FitAddon()
serializeAddon = new SerializeAddon()
term.loadAddon(serializeAddon)
term.loadAddon(fitAddon)
term.open(container)
if (local.pty.buffer) {
if (local.pty.rows && local.pty.cols) {
term.resize(local.pty.cols, local.pty.rows)
}
term.reset()
term.write(local.pty.buffer)
if (local.pty.scrollY) {
term.scrollToLine(local.pty.scrollY)
}
fitAddon.fit()
}
container.focus()
fitAddon.observeResize()
handleResize = () => fitAddon.fit()
window.addEventListener("resize", handleResize)
term.onResize(async (size) => {
if (ws && ws.readyState === WebSocket.OPEN) {
await sdk.client.pty.update({
ptyID: local.pty.id,
size: {
cols: size.cols,
rows: size.rows,
},
})
}
})
term.onData((data) => {
if (ws && ws.readyState === WebSocket.OPEN) {
ws.send(data)
}
})
term.onKey((key) => {
if (key.key == "Enter") {
props.onSubmit?.()
}
})
// term.onScroll((ydisp) => {
// console.log("Scroll position:", ydisp)
// })
ws.addEventListener("open", () => {
console.log("WebSocket connected")
sdk.client.pty.update({
ptyID: local.pty.id,
size: {
cols: term.cols,
rows: term.rows,
},
})
})
ws.addEventListener("message", (event) => {
term.write(event.data)
})
ws.addEventListener("error", (error) => {
console.error("WebSocket error:", error)
props.onConnectError?.(error)
})
ws.addEventListener("close", () => {
console.log("WebSocket disconnected")
})
})
onCleanup(() => {
if (handleResize) {
window.removeEventListener("resize", handleResize)
}
if (serializeAddon && props.onCleanup) {
const buffer = serializeAddon.serialize()
props.onCleanup({
...local.pty,
buffer,
rows: term.rows,
cols: term.cols,
scrollY: term.getViewportY(),
})
}
ws?.close()
term?.dispose()
})
return (
<div
ref={container}
data-component="terminal"
data-prevent-autofocus
classList={{
...(local.classList ?? {}),
"size-full px-6 py-3 font-mono": true,
[local.class ?? ""]: !!local.class,
}}
{...others}
/>
)
}
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