opencode/packages/session-ui/src/v2/components/prompt-input/attachments.ts

278 lines
8.4 KiB
TypeScript

import { onMount } from "solid-js"
import { makeEventListener } from "@solid-primitives/event-listener"
import type { PromptInputV2Attachment, PromptInputV2Prompt } from "./types"
const accepted = [
"image/png",
"image/jpeg",
"image/gif",
"image/webp",
"application/pdf",
"text/*",
"application/json",
"application/ld+json",
"application/toml",
"application/x-toml",
"application/x-yaml",
"application/xml",
"application/yaml",
".c",
".cc",
".cjs",
".conf",
".cpp",
".css",
".csv",
".cts",
".env",
".go",
".gql",
".graphql",
".h",
".hh",
".hpp",
".htm",
".html",
".ini",
".java",
".js",
".json",
".jsx",
".log",
".md",
".mdx",
".mjs",
".mts",
".py",
".rb",
".rs",
".sass",
".scss",
".sh",
".sql",
".toml",
".ts",
".tsx",
".txt",
".xml",
".yaml",
".yml",
".zsh",
]
type PromptTarget = {
current: () => PromptInputV2Prompt
cursor: () => number | undefined
set: (prompt: PromptInputV2Prompt, cursor?: number) => void
}
export type PromptInputV2AttachmentConfig = {
picker?: (
options: { defaultPath?: string; multiple?: boolean; accept?: string[] },
onFile: (file: File) => Promise<unknown>,
) => Promise<void>
directory: () => string
isDialogActive: () => boolean
warn: () => void
duplicate: () => void
onError: (error: unknown) => void
readClipboardImage?: () => Promise<File | null>
getPathForFile?: (file: File) => string
store?: (file: File) => Promise<{ id: string; url: string }>
}
export function createPromptInputV2Attachments(
input: PromptInputV2AttachmentConfig & {
capture: () => PromptTarget
editor: () => HTMLElement | undefined
focusEditor: () => void
addPart: (part: PromptInputV2Prompt[number]) => boolean
setDraggingType: (type: "image" | "@mention" | null) => void
},
) {
const capture = () => {
const prompt = input.capture()
const editor = input.editor()
if (!editor) return
return { prompt, cursor: prompt.cursor() ?? cursorPosition(editor) }
}
const add = async (file: File, toast = true, target = capture(), clipboard = false) => {
if (!target) return false
const mime = await attachmentMime(file)
if (!mime) {
if (toast) input.warn()
return false
}
const blob = input.store ? await input.store(file) : await blobReference(file)
const sourcePath = input.getPathForFile?.(file) || undefined
// Native clipboard images arrive with a fresh timestamped filename on every paste, so identical
// clipboard content is matched on bytes alone.
const duplicate = target.prompt
.current()
.some(
(part) =>
part.type === "image" &&
part.blob.id === blob.id &&
(sourcePath
? part.sourcePath === sourcePath
: !part.sourcePath && (clipboard || part.filename === file.name)),
)
if (duplicate) {
input.duplicate()
return true
}
const attachment: PromptInputV2Attachment = {
type: "image",
id: globalThis.crypto?.randomUUID?.() ?? Math.random().toString(16).slice(2),
filename: file.name,
sourcePath,
mime,
blob,
}
target.prompt.set([...target.prompt.current(), attachment], target.cursor)
return true
}
const addAttachments = async (files: File[], toast = true, target = capture()) => {
const found = await files.reduce(async (result, file) => {
const previous = await result
return (await add(file, false, target)) || previous
}, Promise.resolve(false))
if (!found && files.length > 0 && toast) input.warn()
return found
}
const handlePaste = async (event: ClipboardEvent) => {
const clipboardData = event.clipboardData
if (!clipboardData) return
const target = capture()
if (!target) return
event.preventDefault()
event.stopPropagation()
const files = Array.from(clipboardData.items).flatMap((item) => {
if (item.kind !== "file") return []
const file = item.getAsFile()
return file ? [file] : []
})
if (files.length > 0) {
await addAttachments(files, true, target)
return
}
const plainText = clipboardData.getData("text/plain") ?? ""
if (input.readClipboardImage && !plainText) {
const file = await input.readClipboardImage()
if (file && (await add(file, true, target, true))) return
}
if (!plainText) return
const text = plainText.includes("\r") ? plainText.replace(/\r\n?/g, "\n") : plainText
const put = () => {
if (input.addPart({ type: "text", content: text, start: 0, end: 0 })) return true
input.focusEditor()
return input.addPart({ type: "text", content: text, start: 0, end: 0 })
}
if (text.includes("\n") || largePaste(text)) {
put()
return
}
if (typeof document.execCommand === "function" && document.execCommand("insertText", false, text)) return
put()
}
const handleDrop = async (event: DragEvent) => {
if (input.isDialogActive()) return
event.preventDefault()
input.setDraggingType(null)
const plainText = event.dataTransfer?.getData("text/plain")
if (plainText?.startsWith("file:")) {
const path = plainText.slice("file:".length)
input.focusEditor()
input.addPart({ type: "file", path, content: `@${path}`, start: 0, end: 0 })
return
}
const files = event.dataTransfer?.files
if (files) await addAttachments(Array.from(files))
}
onMount(() => {
makeEventListener(document, "dragover", (event) => {
if (input.isDialogActive()) return
event.preventDefault()
if (event.dataTransfer?.types.includes("Files")) input.setDraggingType("image")
else if (event.dataTransfer?.types.includes("text/plain")) input.setDraggingType("@mention")
})
makeEventListener(document, "dragleave", (event) => {
if (!input.isDialogActive() && !event.relatedTarget) input.setDraggingType(null)
})
makeEventListener(document, "drop", handleDrop)
})
return {
addAttachments,
handlePaste,
handleDrop,
pick(fallback: () => void) {
if (!input.picker) {
fallback()
return
}
void input
.picker({ defaultPath: input.directory(), multiple: true, accept: accepted }, (file) => add(file))
.catch(input.onError)
},
}
}
const imageMimes = new Set(["image/png", "image/jpeg", "image/gif", "image/webp"])
async function blobReference(file: File) {
const id = Array.from(new Uint8Array(await crypto.subtle.digest("SHA-256", await file.arrayBuffer())))
.map((byte) => byte.toString(16).padStart(2, "0"))
.join("")
return { id, url: URL.createObjectURL(file) }
}
const imageExtensions = new Map([
["gif", "image/gif"],
["jpeg", "image/jpeg"],
["jpg", "image/jpeg"],
["png", "image/png"],
["webp", "image/webp"],
])
const textMimes = new Set([
"application/json",
"application/ld+json",
"application/toml",
"application/x-toml",
"application/x-yaml",
"application/xml",
"application/yaml",
])
async function attachmentMime(file: File) {
const type = file.type.split(";", 1)[0]?.trim().toLowerCase() ?? ""
if (imageMimes.has(type) || type === "application/pdf") return type
const index = file.name.lastIndexOf(".")
const suffix = index === -1 ? "" : file.name.slice(index + 1).toLowerCase()
const fallback = imageExtensions.get(suffix) ?? (suffix === "pdf" ? "application/pdf" : undefined)
if ((!type || type === "application/octet-stream") && fallback) return fallback
if (type.startsWith("text/") || textMimes.has(type) || type.endsWith("+json") || type.endsWith("+xml")) {
return "text/plain"
}
const bytes = new Uint8Array(await file.slice(0, 4096).arrayBuffer())
if (bytes.some((byte) => byte === 0)) return
const control = bytes.filter((byte) => byte < 9 || (byte > 13 && byte < 32)).length
if (bytes.length > 0 && control / bytes.length > 0.3) return
return "text/plain"
}
function cursorPosition(editor: HTMLElement) {
const selection = window.getSelection()
if (!selection || selection.rangeCount === 0) return 0
const range = selection.getRangeAt(0)
if (!editor.contains(range.startContainer)) return 0
const before = range.cloneRange()
before.selectNodeContents(editor)
before.setEnd(range.startContainer, range.startOffset)
return before.toString().replace(/\u200B/g, "").length
}
function largePaste(text: string) {
if (text.length >= 8000) return true
return text.split("\n").length - 1 >= 120
}