344 lines
9.9 KiB
TypeScript
344 lines
9.9 KiB
TypeScript
import { CliRenderEvents, SyntaxStyle, type TerminalColors } from "@opentui/core"
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import { useRenderer } from "@opentui/solid"
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import {
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DEFAULT_THEMES,
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addTheme,
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allThemes,
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generateSubtleSyntax,
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generateSyntax,
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generateSystem,
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hasTheme,
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isTheme,
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resolveTheme,
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selectedForeground,
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setCustomThemes,
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setSystemTheme,
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subscribeThemes,
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terminalMode,
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tint,
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upsertTheme,
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type ThemeJson,
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} from "../theme"
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import { createEffect, createMemo, onCleanup, onMount } from "solid-js"
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import { createStore, produce } from "solid-js/store"
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import { createSimpleContext } from "./helper"
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import { useConfig } from "../config"
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import { Global } from "@opencode-ai/core/global"
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import { Glob } from "@opencode-ai/core/util/glob"
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import { readFile } from "node:fs/promises"
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import path from "node:path"
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export type ThemeSource = Readonly<{
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discover(): Promise<Record<string, unknown>>
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subscribeRefresh?(refresh: () => void): () => void
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}>
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const themeSource: ThemeSource = {
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async discover() {
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const directories = [Global.Path.config]
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for (let current = process.cwd(); ; current = path.dirname(current)) {
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directories.push(path.join(current, ".opencode"))
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if (path.dirname(current) === current) break
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}
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return discoverThemes(directories)
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},
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subscribeRefresh(refresh) {
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process.on("SIGUSR2", refresh)
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return () => process.off("SIGUSR2", refresh)
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},
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}
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export async function discoverThemes(directories: string[]) {
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const result: Record<string, unknown> = {}
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for (const directory of directories) {
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const files = await Glob.scan("themes/*.json", { cwd: directory, absolute: true, dot: true, symlink: true })
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for (const file of files) {
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result[path.basename(file, ".json")] = JSON.parse(await readFile(file, "utf8")) as unknown
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}
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}
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return result
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}
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export {
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DEFAULT_THEMES,
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addTheme,
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allThemes,
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generateSubtleSyntax,
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generateSyntax,
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generateSystem,
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hasTheme,
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isTheme,
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resolveTheme,
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selectedForeground,
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terminalMode,
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tint,
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upsertTheme,
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type Theme,
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type ThemeJson,
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type SyntaxStyleOverrides,
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} from "../theme"
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const THEME_REFRESH_DELAYS = [250, 1000] as const
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type State = {
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themes: Record<string, ThemeJson>
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mode: "dark" | "light"
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lock: "dark" | "light" | undefined
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active: string
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ready: boolean
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}
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const [store, setStore] = createStore<State>({
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themes: allThemes(),
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mode: "dark",
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lock: undefined,
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active: "opencode",
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ready: false,
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})
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subscribeThemes((themes) => setStore("themes", themes))
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export const { use: useTheme, provider: ThemeProvider } = createSimpleContext({
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name: "Theme",
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init: (props: { mode: "dark" | "light"; source?: ThemeSource }) => {
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const renderer = useRenderer()
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const configState = useConfig()
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const config = configState.data
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const themes = props.source ?? themeSource
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const pick = (value: unknown) => {
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if (value === "dark" || value === "light") return value
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return
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}
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setStore(
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produce((draft) => {
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const lock = pick(config.theme?.mode)
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const mode = lock ?? pick(renderer.themeMode) ?? props.mode
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draft.mode = mode
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draft.lock = lock
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const active = config.theme?.name ?? "opencode"
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draft.active = typeof active === "string" ? active : "opencode"
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draft.ready = false
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}),
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)
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createEffect(() => {
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const theme = config.theme?.name
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if (theme) setStore("active", theme)
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})
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createEffect(() => {
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const mode = config.theme?.mode
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if (mode === "dark" || mode === "light") {
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pin(mode, false)
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return
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}
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if (mode === "system" && store.lock !== undefined) free(false)
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})
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function syncCustomThemes() {
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return themes
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.discover()
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.then((themes) => {
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setCustomThemes(
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Object.entries(themes).reduce<Record<string, ThemeJson>>((result, [name, theme]) => {
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if (isTheme(theme)) result[name] = theme
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return result
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}, {}),
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)
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})
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.catch(() => setStore("active", "opencode"))
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}
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onMount(() => {
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void Promise.allSettled([resolveSystemTheme(store.mode), syncCustomThemes()]).finally(() => {
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setStore("ready", true)
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})
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})
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let systemThemeSignature: string | undefined
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let systemThemeMode: "dark" | "light" | undefined
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let hasResolvedSystemTheme = false
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function resolveSystemTheme(mode: "dark" | "light" = store.mode) {
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return renderer
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.getPalette({ size: 16 })
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.then((colors: TerminalColors) => {
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if (!colors.palette[0]) {
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if (hasResolvedSystemTheme) return
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setSystemTheme(undefined)
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if (store.active === "system") setStore("active", "opencode")
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return
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}
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const next = store.lock ?? terminalMode(colors) ?? mode
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if (store.mode !== next) setStore("mode", next)
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const signature = JSON.stringify(colors)
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hasResolvedSystemTheme = true
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if (store.themes.system && systemThemeSignature === signature && systemThemeMode === next) return
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systemThemeSignature = signature
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systemThemeMode = next
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setSystemTheme(generateSystem(colors, next))
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})
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.catch(() => {
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if (hasResolvedSystemTheme) return
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setSystemTheme(undefined)
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if (store.active === "system") setStore("active", "opencode")
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})
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}
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let systemRefreshRunning = false
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let systemRefreshQueued = false
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let systemRefreshMode = store.mode
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function refreshSystemTheme(mode: "dark" | "light" = store.mode) {
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systemRefreshMode = mode
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if (systemRefreshRunning) {
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systemRefreshQueued = true
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return
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}
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systemRefreshRunning = true
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const retry = renderer.paletteDetectionStatus === "detecting"
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renderer.clearPaletteCache()
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void resolveSystemTheme(mode).finally(() => {
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systemRefreshRunning = false
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if (!retry && !systemRefreshQueued) return
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systemRefreshQueued = false
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refreshSystemTheme(systemRefreshMode)
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})
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}
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function apply(mode: "dark" | "light") {
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if (store.mode === mode) return
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setStore("mode", mode)
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refreshSystemTheme(mode)
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}
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function pin(mode: "dark" | "light" = store.mode, persist = true) {
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setStore("lock", mode)
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apply(mode)
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if (!persist) return
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void configState
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.update((draft) => {
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draft.theme = { ...draft.theme, mode }
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})
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.catch(() => {})
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}
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function free(persist = true) {
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setStore("lock", undefined)
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refreshSystemTheme(renderer.themeMode ?? store.mode)
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if (!persist) return
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void configState
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.update((draft) => {
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draft.theme = { ...draft.theme, mode: "system" }
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})
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.catch(() => {})
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}
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const handle = (mode: "dark" | "light") => {
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if (store.lock) return
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apply(mode)
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}
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renderer.on(CliRenderEvents.THEME_MODE, handle)
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const handleThemeNotification = (sequence: string) => {
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if (sequence !== "\x1b[?997;1n" && sequence !== "\x1b[?997;2n") return false
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queueMicrotask(() => refreshSystemTheme())
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return false
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}
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renderer.prependInputHandler(handleThemeNotification)
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let themeRefreshTimeouts: ReturnType<typeof setTimeout>[] = []
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const refresh = () => {
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for (const timeout of themeRefreshTimeouts) clearTimeout(timeout)
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themeRefreshTimeouts = THEME_REFRESH_DELAYS.map((delay) =>
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setTimeout(() => {
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refreshSystemTheme()
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if (delay === THEME_REFRESH_DELAYS[THEME_REFRESH_DELAYS.length - 1]) void syncCustomThemes()
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}, delay),
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)
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}
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let unsubscribeRefresh: (() => void) | undefined
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unsubscribeRefresh = themes.subscribeRefresh?.(refresh)
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onCleanup(() => {
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renderer.off(CliRenderEvents.THEME_MODE, handle)
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renderer.removeInputHandler(handleThemeNotification)
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unsubscribeRefresh?.()
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for (const timeout of themeRefreshTimeouts) clearTimeout(timeout)
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themeRefreshTimeouts.length = 0
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})
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const values = createMemo(() => {
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const active = store.themes[store.active]
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if (active) return resolveTheme(active, store.mode)
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return resolveTheme(store.themes.opencode, store.mode)
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})
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createEffect(() => renderer.setBackgroundColor(values().background))
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const syntax = createSyntaxStyleMemo(() => generateSyntax(values()))
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const subtleSyntax = createSyntaxStyleMemo(() => generateSubtleSyntax(values()))
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return {
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theme: new Proxy(values(), {
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get(_target, prop) {
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// @ts-expect-error Properties are forwarded to the current reactive value.
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return values()[prop]
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},
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}),
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get selected() {
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return store.active
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},
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all: allThemes,
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has: hasTheme,
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syntax,
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subtleSyntax,
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mode: () => store.mode,
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locked: () => store.lock !== undefined,
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lock: () => pin(store.mode),
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unlock: free,
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setMode: pin,
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set(theme: string) {
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if (!hasTheme(theme)) return false
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setStore("active", theme)
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void configState
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.update((draft) => {
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draft.theme = { ...draft.theme, name: theme }
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})
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.catch(() => {})
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return true
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},
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get ready() {
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return store.ready
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},
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}
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},
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})
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export function createSyntaxStyleMemo(factory: () => SyntaxStyle) {
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const renderer = useRenderer()
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const retained = new Set<SyntaxStyle>()
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let current: SyntaxStyle | undefined
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const release = (style: SyntaxStyle) => {
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retained.add(style)
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void renderer
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.idle()
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.catch(() => {})
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.finally(() => {
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if (!retained.delete(style)) return
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style.destroy()
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})
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}
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onCleanup(() => {
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if (current) release(current)
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})
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return createMemo(() => {
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const previous = current
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current = factory()
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if (previous) release(previous)
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return current
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})
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}
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