Files
opencode/packages/app/src/context/file.tsx

394 lines
9.7 KiB
TypeScript

import { createEffect, createMemo, createRoot, onCleanup } from "solid-js"
import { createStore, produce } from "solid-js/store"
import { createSimpleContext } from "@opencode-ai/ui/context"
import type { FileContent } from "@opencode-ai/sdk/v2"
import { showToast } from "@opencode-ai/ui/toast"
import { useParams } from "@solidjs/router"
import { getFilename } from "@opencode-ai/util/path"
import { useSDK } from "./sdk"
import { useSync } from "./sync"
import { Persist, persisted } from "@/utils/persist"
export type FileSelection = {
startLine: number
startChar: number
endLine: number
endChar: number
}
export type SelectedLineRange = {
start: number
end: number
side?: "additions" | "deletions"
endSide?: "additions" | "deletions"
}
export type FileViewState = {
scrollTop?: number
scrollLeft?: number
selectedLines?: SelectedLineRange | null
}
export type FileState = {
path: string
name: string
loaded?: boolean
loading?: boolean
error?: string
content?: FileContent
}
function stripFileProtocol(input: string) {
if (!input.startsWith("file://")) return input
return input.slice("file://".length)
}
function stripQueryAndHash(input: string) {
const hashIndex = input.indexOf("#")
const queryIndex = input.indexOf("?")
if (hashIndex !== -1 && queryIndex !== -1) {
return input.slice(0, Math.min(hashIndex, queryIndex))
}
if (hashIndex !== -1) return input.slice(0, hashIndex)
if (queryIndex !== -1) return input.slice(0, queryIndex)
return input
}
export function selectionFromLines(range: SelectedLineRange): FileSelection {
const startLine = Math.min(range.start, range.end)
const endLine = Math.max(range.start, range.end)
return {
startLine,
endLine,
startChar: 0,
endChar: 0,
}
}
function normalizeSelectedLines(range: SelectedLineRange): SelectedLineRange {
if (range.start <= range.end) return range
const startSide = range.side
const endSide = range.endSide ?? startSide
return {
...range,
start: range.end,
end: range.start,
side: endSide,
endSide: startSide !== endSide ? startSide : undefined,
}
}
const WORKSPACE_KEY = "__workspace__"
const MAX_FILE_VIEW_SESSIONS = 20
const MAX_VIEW_FILES = 500
type ViewSession = ReturnType<typeof createViewSession>
type ViewCacheEntry = {
value: ViewSession
dispose: VoidFunction
}
function createViewSession(dir: string, id: string | undefined) {
const legacyViewKey = `${dir}/file${id ? "/" + id : ""}.v1`
const [view, setView, _, ready] = persisted(
Persist.scoped(dir, id, "file-view", [legacyViewKey]),
createStore<{
file: Record<string, FileViewState>
}>({
file: {},
}),
)
const meta = { pruned: false }
const pruneView = (keep?: string) => {
const keys = Object.keys(view.file)
if (keys.length <= MAX_VIEW_FILES) return
const drop = keys.filter((key) => key !== keep).slice(0, keys.length - MAX_VIEW_FILES)
if (drop.length === 0) return
setView(
produce((draft) => {
for (const key of drop) {
delete draft.file[key]
}
}),
)
}
createEffect(() => {
if (!ready()) return
if (meta.pruned) return
meta.pruned = true
pruneView()
})
const scrollTop = (path: string) => view.file[path]?.scrollTop
const scrollLeft = (path: string) => view.file[path]?.scrollLeft
const selectedLines = (path: string) => view.file[path]?.selectedLines
const setScrollTop = (path: string, top: number) => {
setView("file", path, (current) => {
if (current?.scrollTop === top) return current
return {
...(current ?? {}),
scrollTop: top,
}
})
pruneView(path)
}
const setScrollLeft = (path: string, left: number) => {
setView("file", path, (current) => {
if (current?.scrollLeft === left) return current
return {
...(current ?? {}),
scrollLeft: left,
}
})
pruneView(path)
}
const setSelectedLines = (path: string, range: SelectedLineRange | null) => {
const next = range ? normalizeSelectedLines(range) : null
setView("file", path, (current) => {
if (current?.selectedLines === next) return current
return {
...(current ?? {}),
selectedLines: next,
}
})
pruneView(path)
}
return {
ready,
scrollTop,
scrollLeft,
selectedLines,
setScrollTop,
setScrollLeft,
setSelectedLines,
}
}
export const { use: useFile, provider: FileProvider } = createSimpleContext({
name: "File",
gate: false,
init: () => {
const sdk = useSDK()
const sync = useSync()
const params = useParams()
const directory = createMemo(() => sync.data.path.directory)
function normalize(input: string) {
const root = directory()
const prefix = root.endsWith("/") ? root : root + "/"
let path = stripQueryAndHash(stripFileProtocol(input))
if (path.startsWith(prefix)) {
path = path.slice(prefix.length)
}
if (path.startsWith(root)) {
path = path.slice(root.length)
}
if (path.startsWith("./")) {
path = path.slice(2)
}
if (path.startsWith("/")) {
path = path.slice(1)
}
return path
}
function tab(input: string) {
const path = normalize(input)
return `file://${path}`
}
function pathFromTab(tabValue: string) {
if (!tabValue.startsWith("file://")) return
return normalize(tabValue)
}
const inflight = new Map<string, Promise<void>>()
const [store, setStore] = createStore<{
file: Record<string, FileState>
}>({
file: {},
})
const viewCache = new Map<string, ViewCacheEntry>()
const disposeViews = () => {
for (const entry of viewCache.values()) {
entry.dispose()
}
viewCache.clear()
}
const pruneViews = () => {
while (viewCache.size > MAX_FILE_VIEW_SESSIONS) {
const first = viewCache.keys().next().value
if (!first) return
const entry = viewCache.get(first)
entry?.dispose()
viewCache.delete(first)
}
}
const loadView = (dir: string, id: string | undefined) => {
const key = `${dir}:${id ?? WORKSPACE_KEY}`
const existing = viewCache.get(key)
if (existing) {
viewCache.delete(key)
viewCache.set(key, existing)
return existing.value
}
const entry = createRoot((dispose) => ({
value: createViewSession(dir, id),
dispose,
}))
viewCache.set(key, entry)
pruneViews()
return entry.value
}
const view = createMemo(() => loadView(params.dir!, params.id))
function ensure(path: string) {
if (!path) return
if (store.file[path]) return
setStore("file", path, { path, name: getFilename(path) })
}
function load(input: string, options?: { force?: boolean }) {
const path = normalize(input)
if (!path) return Promise.resolve()
ensure(path)
const current = store.file[path]
if (!options?.force && current?.loaded) return Promise.resolve()
const pending = inflight.get(path)
if (pending) return pending
setStore(
"file",
path,
produce((draft) => {
draft.loading = true
draft.error = undefined
}),
)
const promise = sdk.client.file
.read({ path })
.then((x) => {
setStore(
"file",
path,
produce((draft) => {
draft.loaded = true
draft.loading = false
draft.content = x.data
}),
)
})
.catch((e) => {
setStore(
"file",
path,
produce((draft) => {
draft.loading = false
draft.error = e.message
}),
)
showToast({
variant: "error",
title: "Failed to load file",
description: e.message,
})
})
.finally(() => {
inflight.delete(path)
})
inflight.set(path, promise)
return promise
}
const stop = sdk.event.listen((e) => {
const event = e.details
if (event.type !== "file.watcher.updated") return
const path = normalize(event.properties.file)
if (!path) return
if (path.startsWith(".git/")) return
if (!store.file[path]) return
load(path, { force: true })
})
const get = (input: string) => store.file[normalize(input)]
const scrollTop = (input: string) => view().scrollTop(normalize(input))
const scrollLeft = (input: string) => view().scrollLeft(normalize(input))
const selectedLines = (input: string) => view().selectedLines(normalize(input))
const setScrollTop = (input: string, top: number) => {
const path = normalize(input)
view().setScrollTop(path, top)
}
const setScrollLeft = (input: string, left: number) => {
const path = normalize(input)
view().setScrollLeft(path, left)
}
const setSelectedLines = (input: string, range: SelectedLineRange | null) => {
const path = normalize(input)
view().setSelectedLines(path, range)
}
onCleanup(() => {
stop()
disposeViews()
})
return {
ready: () => view().ready(),
normalize,
tab,
pathFromTab,
get,
load,
scrollTop,
scrollLeft,
setScrollTop,
setScrollLeft,
selectedLines,
setSelectedLines,
searchFiles: (query: string) =>
sdk.client.find.files({ query, dirs: "false" }).then((x) => (x.data ?? []).map(normalize)),
searchFilesAndDirectories: (query: string) =>
sdk.client.find.files({ query, dirs: "true" }).then((x) => (x.data ?? []).map(normalize)),
}
},
})