t0ng7u
d146e45e2f
Add a Bun script to apply and normalize AGPL copyright headers across the default frontend source files. The script keeps headers idempotent, upgrades existing headers to the 2023-2026 QuantumNous range, and is exposed through `bun run copyright` for future maintenance.
61 lines
2.0 KiB
TypeScript
Vendored
61 lines
2.0 KiB
TypeScript
Vendored
/*
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Copyright (C) 2023-2026 QuantumNous
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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For commercial licensing, please contact support@quantumnous.com
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*/
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import { useEffect, useRef, useState } from 'react'
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import { useTheme } from '@/context/theme-provider'
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/**
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* Lazy-load VChart's `ThemeManager` and switch its theme to follow the
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* resolved app theme (light / dark). Returns flags consumers can use to
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* defer chart rendering until the theme is ready.
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*/
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let themeManagerPromise: Promise<
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(typeof import('@visactor/vchart'))['ThemeManager']
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> | null = null
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export function useChartTheme() {
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const { resolvedTheme } = useTheme()
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const [themeReady, setThemeReady] = useState(false)
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const themeRef = useRef<
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(typeof import('@visactor/vchart'))['ThemeManager'] | null
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>(null)
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useEffect(() => {
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let cancelled = false
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const updateTheme = async () => {
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setThemeReady(false)
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if (!themeManagerPromise) {
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themeManagerPromise = import('@visactor/vchart').then(
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(m) => m.ThemeManager
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)
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}
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const ThemeManager = await themeManagerPromise
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if (cancelled) return
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themeRef.current = ThemeManager
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ThemeManager.setCurrentTheme(resolvedTheme === 'dark' ? 'dark' : 'light')
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setThemeReady(true)
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}
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updateTheme()
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return () => {
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cancelled = true
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}
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}, [resolvedTheme])
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return { resolvedTheme, themeReady }
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}
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