{"version":3,"file":"clipboard-image.d.ts","sourceRoot":"","sources":["../../src/utils/clipboard-image.ts"],"names":[],"mappings":"AASA,MAAM,MAAM,cAAc,GAAG;IAC5B,KAAK,EAAE,UAAU,CAAC;IAClB,QAAQ,EAAE,MAAM,CAAC;CACjB,CAAC;AASF,wBAAgB,gBAAgB,CAAC,GAAG,GAAE,MAAM,CAAC,UAAwB,GAAG,OAAO,CAE9E;AAMD,wBAAgB,yBAAyB,CAAC,QAAQ,EAAE,MAAM,GAAG,MAAM,GAAG,IAAI,CAazE;AAmND,wBAAsB,kBAAkB,CAAC,OAAO,CAAC,EAAE;IAClD,GAAG,CAAC,EAAE,MAAM,CAAC,UAAU,CAAC;IACxB,QAAQ,CAAC,EAAE,MAAM,CAAC,QAAQ,CAAC;CAC3B,GAAG,OAAO,CAAC,cAAc,GAAG,IAAI,CAAC,CA2CjC","sourcesContent":["import { spawnSync } from \"child_process\";\nimport { randomUUID } from \"crypto\";\nimport { readFileSync, unlinkSync } from \"fs\";\nimport { tmpdir } from \"os\";\nimport { join } from \"path\";\n\nimport { clipboard } from \"./clipboard-native.js\";\nimport { loadPhoton } from \"./photon.js\";\n\nexport type ClipboardImage = {\n\tbytes: Uint8Array;\n\tmimeType: string;\n};\n\nconst SUPPORTED_IMAGE_MIME_TYPES = [\"image/png\", \"image/jpeg\", \"image/webp\", \"image/gif\"] as const;\n\nconst DEFAULT_LIST_TIMEOUT_MS = 1000;\nconst DEFAULT_READ_TIMEOUT_MS = 3000;\nconst DEFAULT_POWERSHELL_TIMEOUT_MS = 5000;\nconst DEFAULT_MAX_BUFFER_BYTES = 50 * 1024 * 1024;\n\nexport function isWaylandSession(env: NodeJS.ProcessEnv = process.env): boolean {\n\treturn Boolean(env.WAYLAND_DISPLAY) || env.XDG_SESSION_TYPE === \"wayland\";\n}\n\nfunction baseMimeType(mimeType: string): string {\n\treturn mimeType.split(\";\")[0]?.trim().toLowerCase() ?? mimeType.toLowerCase();\n}\n\nexport function extensionForImageMimeType(mimeType: string): string | null {\n\tswitch (baseMimeType(mimeType)) {\n\t\tcase \"image/png\":\n\t\t\treturn \"png\";\n\t\tcase \"image/jpeg\":\n\t\t\treturn \"jpg\";\n\t\tcase \"image/webp\":\n\t\t\treturn \"webp\";\n\t\tcase \"image/gif\":\n\t\t\treturn \"gif\";\n\t\tdefault:\n\t\t\treturn null;\n\t}\n}\n\nfunction selectPreferredImageMimeType(mimeTypes: string[]): string | null {\n\tconst normalized = mimeTypes\n\t\t.map((t) => t.trim())\n\t\t.filter(Boolean)\n\t\t.map((t) => ({ raw: t, base: baseMimeType(t) }));\n\n\tfor (const preferred of SUPPORTED_IMAGE_MIME_TYPES) {\n\t\tconst match = normalized.find((t) => t.base === preferred);\n\t\tif (match) {\n\t\t\treturn match.raw;\n\t\t}\n\t}\n\n\tconst anyImage = normalized.find((t) => t.base.startsWith(\"image/\"));\n\treturn anyImage?.raw ?? null;\n}\n\nfunction isSupportedImageMimeType(mimeType: string): boolean {\n\tconst base = baseMimeType(mimeType);\n\treturn SUPPORTED_IMAGE_MIME_TYPES.some((t) => t === base);\n}\n\n/**\n * Convert unsupported image formats to PNG using Photon.\n * Returns null if conversion is unavailable or fails.\n */\nasync function convertToPng(bytes: Uint8Array): Promise<Uint8Array | null> {\n\tconst photon = await loadPhoton();\n\tif (!photon) {\n\t\treturn null;\n\t}\n\n\ttry {\n\t\tconst image = photon.PhotonImage.new_from_byteslice(bytes);\n\t\ttry {\n\t\t\treturn image.get_bytes();\n\t\t} finally {\n\t\t\timage.free();\n\t\t}\n\t} catch {\n\t\treturn null;\n\t}\n}\n\nfunction runCommand(\n\tcommand: string,\n\targs: string[],\n\toptions?: { timeoutMs?: number; maxBufferBytes?: number; env?: NodeJS.ProcessEnv },\n): { stdout: Buffer; ok: boolean } {\n\tconst timeoutMs = options?.timeoutMs ?? DEFAULT_READ_TIMEOUT_MS;\n\tconst maxBufferBytes = options?.maxBufferBytes ?? DEFAULT_MAX_BUFFER_BYTES;\n\n\tconst result = spawnSync(command, args, {\n\t\ttimeout: timeoutMs,\n\t\tmaxBuffer: maxBufferBytes,\n\t\tenv: options?.env,\n\t});\n\n\tif (result.error) {\n\t\treturn { ok: false, stdout: Buffer.alloc(0) };\n\t}\n\n\tif (result.status !== 0) {\n\t\treturn { ok: false, stdout: Buffer.alloc(0) };\n\t}\n\n\tconst stdout = Buffer.isBuffer(result.stdout)\n\t\t? result.stdout\n\t\t: Buffer.from(result.stdout ?? \"\", typeof result.stdout === \"string\" ? \"utf-8\" : undefined);\n\n\treturn { ok: true, stdout };\n}\n\nfunction readClipboardImageViaWlPaste(): ClipboardImage | null {\n\tconst list = runCommand(\"wl-paste\", [\"--list-types\"], { timeoutMs: DEFAULT_LIST_TIMEOUT_MS });\n\tif (!list.ok) {\n\t\treturn null;\n\t}\n\n\tconst types = list.stdout\n\t\t.toString(\"utf-8\")\n\t\t.split(/\\r?\\n/)\n\t\t.map((t) => t.trim())\n\t\t.filter(Boolean);\n\n\tconst selectedType = selectPreferredImageMimeType(types);\n\tif (!selectedType) {\n\t\treturn null;\n\t}\n\n\tconst data = runCommand(\"wl-paste\", [\"--type\", selectedType, \"--no-newline\"]);\n\tif (!data.ok || data.stdout.length === 0) {\n\t\treturn null;\n\t}\n\n\treturn { bytes: data.stdout, mimeType: baseMimeType(selectedType) };\n}\n\nfunction isWSL(env: NodeJS.ProcessEnv = process.env): boolean {\n\tif (env.WSL_DISTRO_NAME || env.WSLENV) {\n\t\treturn true;\n\t}\n\n\ttry {\n\t\tconst release = readFileSync(\"/proc/version\", \"utf-8\");\n\t\treturn /microsoft|wsl/i.test(release);\n\t} catch {\n\t\treturn false;\n\t}\n}\n\n/**\n * On WSL, the Linux clipboard (Wayland/X11) does not receive image data from\n * Windows screenshots (Win+Shift+S). PowerShell can access the Windows clipboard\n * directly, so we use it as a fallback.\n */\nfunction readClipboardImageViaPowerShell(): ClipboardImage | null {\n\tconst tmpFile = join(tmpdir(), `pi-wsl-clip-${randomUUID()}.png`);\n\n\ttry {\n\t\tconst winPathResult = runCommand(\"wslpath\", [\"-w\", tmpFile], { timeoutMs: DEFAULT_LIST_TIMEOUT_MS });\n\t\tif (!winPathResult.ok) {\n\t\t\treturn null;\n\t\t}\n\n\t\tconst winPath = winPathResult.stdout.toString(\"utf-8\").trim();\n\t\tif (!winPath) {\n\t\t\treturn null;\n\t\t}\n\n\t\tconst psQuotedWinPath = winPath.replaceAll(\"'\", \"''\");\n\t\tconst psScript = [\n\t\t\t\"Add-Type -AssemblyName System.Windows.Forms\",\n\t\t\t\"Add-Type -AssemblyName System.Drawing\",\n\t\t\t`$path = '${psQuotedWinPath}'`,\n\t\t\t\"$img = [System.Windows.Forms.Clipboard]::GetImage()\",\n\t\t\t\"if ($img) { $img.Save($path, [System.Drawing.Imaging.ImageFormat]::Png); Write-Output 'ok' } else { Write-Output 'empty' }\",\n\t\t].join(\"; \");\n\n\t\tconst result = runCommand(\"powershell.exe\", [\"-NoProfile\", \"-Command\", psScript], {\n\t\t\ttimeoutMs: DEFAULT_POWERSHELL_TIMEOUT_MS,\n\t\t});\n\t\tif (!result.ok) {\n\t\t\treturn null;\n\t\t}\n\n\t\tconst output = result.stdout.toString(\"utf-8\").trim();\n\t\tif (output !== \"ok\") {\n\t\t\treturn null;\n\t\t}\n\n\t\tconst bytes = readFileSync(tmpFile);\n\t\tif (bytes.length === 0) {\n\t\t\treturn null;\n\t\t}\n\n\t\treturn { bytes: new Uint8Array(bytes), mimeType: \"image/png\" };\n\t} catch {\n\t\treturn null;\n\t} finally {\n\t\ttry {\n\t\t\tunlinkSync(tmpFile);\n\t\t} catch {\n\t\t\t// Ignore cleanup errors.\n\t\t}\n\t}\n}\n\nfunction readClipboardImageViaXclip(): ClipboardImage | null {\n\tconst targets = runCommand(\"xclip\", [\"-selection\", \"clipboard\", \"-t\", \"TARGETS\", \"-o\"], {\n\t\ttimeoutMs: DEFAULT_LIST_TIMEOUT_MS,\n\t});\n\n\tlet candidateTypes: string[] = [];\n\tif (targets.ok) {\n\t\tcandidateTypes = targets.stdout\n\t\t\t.toString(\"utf-8\")\n\t\t\t.split(/\\r?\\n/)\n\t\t\t.map((t) => t.trim())\n\t\t\t.filter(Boolean);\n\t}\n\n\tconst preferred = candidateTypes.length > 0 ? selectPreferredImageMimeType(candidateTypes) : null;\n\tconst tryTypes = preferred ? [preferred, ...SUPPORTED_IMAGE_MIME_TYPES] : [...SUPPORTED_IMAGE_MIME_TYPES];\n\n\tfor (const mimeType of tryTypes) {\n\t\tconst data = runCommand(\"xclip\", [\"-selection\", \"clipboard\", \"-t\", mimeType, \"-o\"]);\n\t\tif (data.ok && data.stdout.length > 0) {\n\t\t\treturn { bytes: data.stdout, mimeType: baseMimeType(mimeType) };\n\t\t}\n\t}\n\n\treturn null;\n}\n\nasync function readClipboardImageViaNativeClipboard(): Promise<ClipboardImage | null> {\n\tif (!clipboard || !clipboard.hasImage()) {\n\t\treturn null;\n\t}\n\n\tconst imageData = await clipboard.getImageBinary();\n\tif (!imageData || imageData.length === 0) {\n\t\treturn null;\n\t}\n\n\tconst bytes = imageData instanceof Uint8Array ? imageData : Uint8Array.from(imageData);\n\treturn { bytes, mimeType: \"image/png\" };\n}\n\nexport async function readClipboardImage(options?: {\n\tenv?: NodeJS.ProcessEnv;\n\tplatform?: NodeJS.Platform;\n}): Promise<ClipboardImage | null> {\n\tconst env = options?.env ?? process.env;\n\tconst platform = options?.platform ?? process.platform;\n\n\tif (env.TERMUX_VERSION) {\n\t\treturn null;\n\t}\n\n\tlet image: ClipboardImage | null = null;\n\n\tif (platform === \"linux\") {\n\t\tconst wsl = isWSL(env);\n\t\tconst wayland = isWaylandSession(env);\n\n\t\tif (wayland || wsl) {\n\t\t\timage = readClipboardImageViaWlPaste() ?? readClipboardImageViaXclip();\n\t\t}\n\n\t\tif (!image && wsl) {\n\t\t\timage = readClipboardImageViaPowerShell();\n\t\t}\n\n\t\tif (!image && !wayland) {\n\t\t\timage = await readClipboardImageViaNativeClipboard();\n\t\t}\n\t} else {\n\t\timage = await readClipboardImageViaNativeClipboard();\n\t}\n\n\tif (!image) {\n\t\treturn null;\n\t}\n\n\t// Convert unsupported formats (e.g., BMP from WSLg) to PNG\n\tif (!isSupportedImageMimeType(image.mimeType)) {\n\t\tconst pngBytes = await convertToPng(image.bytes);\n\t\tif (!pngBytes) {\n\t\t\treturn null;\n\t\t}\n\t\treturn { bytes: pngBytes, mimeType: \"image/png\" };\n\t}\n\n\treturn image;\n}\n"]}