getting terminal colors working

This commit is contained in:
2026-02-05 13:46:47 -05:00
parent 9fa52d71ca
commit e239b33042
45 changed files with 1718 additions and 2055 deletions

221
src/utils/clipboard.ts Normal file
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import { $ } from "bun"
import { platform, release } from "os"
import { tmpdir } from "os"
import path from "path"
/**
* Writes text to clipboard via OSC 52 escape sequence.
* This allows clipboard operations to work over SSH by having
* the terminal emulator handle the clipboard locally.
*/
function writeOsc52(text: string): void {
if (!process.stdout.isTTY) return
const base64 = Buffer.from(text).toString("base64")
const osc52 = `\x1b]52;c;${base64}\x07`
const passthrough = process.env["TMUX"] || process.env["STY"]
const sequence = passthrough ? `\x1bPtmux;\x1b${osc52}\x1b\\` : osc52
process.stdout.write(sequence)
}
/**
* Lazy initialization for clipboard copy method.
* Detects the best clipboard method for the current platform.
*/
function createLazy<T>(factory: () => T): () => T {
let value: T | undefined
return () => {
if (value === undefined) {
value = factory()
}
return value
}
}
export namespace Clipboard {
export interface Content {
data: string
mime: string
}
/**
* Read content from the clipboard.
* Supports text and image (PNG) content on macOS, Windows, and Linux.
*/
export async function read(): Promise<Content | undefined> {
const os = platform()
// macOS: Try to read PNG image first
if (os === "darwin") {
const tmpfile = path.join(tmpdir(), "podtui-clipboard.png")
try {
await $`osascript -e 'set imageData to the clipboard as "PNGf"' -e 'set fileRef to open for access POSIX file "${tmpfile}" with write permission' -e 'set eof fileRef to 0' -e 'write imageData to fileRef' -e 'close access fileRef'`
.nothrow()
.quiet()
const file = Bun.file(tmpfile)
const buffer = await file.arrayBuffer()
if (buffer.byteLength > 0) {
return { data: Buffer.from(buffer).toString("base64"), mime: "image/png" }
}
} catch {
// Ignore errors, fall through to text
} finally {
await $`rm -f "${tmpfile}"`.nothrow().quiet()
}
}
// Windows/WSL: Try to read PNG image
if (os === "win32" || release().includes("WSL")) {
const script =
"Add-Type -AssemblyName System.Windows.Forms; $img = [System.Windows.Forms.Clipboard]::GetImage(); if ($img) { $ms = New-Object System.IO.MemoryStream; $img.Save($ms, [System.Drawing.Imaging.ImageFormat]::Png); [System.Convert]::ToBase64String($ms.ToArray()) }"
const base64 = await $`powershell.exe -NonInteractive -NoProfile -command "${script}"`.nothrow().text()
if (base64) {
const imageBuffer = Buffer.from(base64.trim(), "base64")
if (imageBuffer.length > 0) {
return { data: imageBuffer.toString("base64"), mime: "image/png" }
}
}
}
// Linux: Try Wayland or X11
if (os === "linux") {
// Try Wayland first
const wayland = await $`wl-paste -t image/png`.nothrow().arrayBuffer()
if (wayland && wayland.byteLength > 0) {
return { data: Buffer.from(wayland).toString("base64"), mime: "image/png" }
}
// Try X11
const x11 = await $`xclip -selection clipboard -t image/png -o`.nothrow().arrayBuffer()
if (x11 && x11.byteLength > 0) {
return { data: Buffer.from(x11).toString("base64"), mime: "image/png" }
}
}
// Fall back to reading text
try {
const text = await readText()
if (text) {
return { data: text, mime: "text/plain" }
}
} catch {
// Ignore errors
}
return undefined
}
/**
* Read text from the clipboard.
*/
export async function readText(): Promise<string | undefined> {
const os = platform()
if (os === "darwin") {
const result = await $`pbpaste`.nothrow().text()
return result || undefined
}
if (os === "linux") {
// Try Wayland first
if (process.env["WAYLAND_DISPLAY"]) {
const result = await $`wl-paste`.nothrow().text()
if (result) return result
}
// Try X11
const result = await $`xclip -selection clipboard -o`.nothrow().text()
return result || undefined
}
if (os === "win32" || release().includes("WSL")) {
const result = await $`powershell.exe -NonInteractive -NoProfile -command "Get-Clipboard"`.nothrow().text()
return result?.trim() || undefined
}
return undefined
}
const getCopyMethod = createLazy(() => {
const os = platform()
if (os === "darwin" && Bun.which("osascript")) {
return async (text: string) => {
const escaped = text.replace(/\\/g, "\\\\").replace(/"/g, '\\"')
await $`osascript -e 'set the clipboard to "${escaped}"'`.nothrow().quiet()
}
}
if (os === "linux") {
if (process.env["WAYLAND_DISPLAY"] && Bun.which("wl-copy")) {
return async (text: string) => {
const proc = Bun.spawn(["wl-copy"], { stdin: "pipe", stdout: "ignore", stderr: "ignore" })
proc.stdin.write(text)
proc.stdin.end()
await proc.exited.catch(() => {})
}
}
if (Bun.which("xclip")) {
return async (text: string) => {
const proc = Bun.spawn(["xclip", "-selection", "clipboard"], {
stdin: "pipe",
stdout: "ignore",
stderr: "ignore",
})
proc.stdin.write(text)
proc.stdin.end()
await proc.exited.catch(() => {})
}
}
if (Bun.which("xsel")) {
return async (text: string) => {
const proc = Bun.spawn(["xsel", "--clipboard", "--input"], {
stdin: "pipe",
stdout: "ignore",
stderr: "ignore",
})
proc.stdin.write(text)
proc.stdin.end()
await proc.exited.catch(() => {})
}
}
}
if (os === "win32") {
return async (text: string) => {
// Pipe via stdin to avoid PowerShell string interpolation ($env:FOO, $(), etc.)
const proc = Bun.spawn(
[
"powershell.exe",
"-NonInteractive",
"-NoProfile",
"-Command",
"[Console]::InputEncoding = [System.Text.Encoding]::UTF8; Set-Clipboard -Value ([Console]::In.ReadToEnd())",
],
{
stdin: "pipe",
stdout: "ignore",
stderr: "ignore",
},
)
proc.stdin.write(text)
proc.stdin.end()
await proc.exited.catch(() => {})
}
}
// Fallback: No native clipboard support
return async (_text: string) => {
console.warn("No clipboard support available on this platform")
}
})
/**
* Copy text to the clipboard.
* Uses OSC 52 for SSH/tmux support and native clipboard for local.
*/
export async function copy(text: string): Promise<void> {
// Always try OSC 52 first for SSH/tmux support
writeOsc52(text)
// Then use native clipboard
await getCopyMethod()(text)
}
}