44 lines
1.7 KiB
TypeScript
44 lines
1.7 KiB
TypeScript
/** Host registration for the browser theme preference and pre-plugin palette. */
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import type { Context } from '@deepseek-ai/cordis'
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import type {} from '@deepseek-ai/dsh-host-webserver'
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import { settingsNamespace } from '@deepseek-ai/dsh-settings'
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import { injectBootTheme } from './boot-theme.ts'
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import {
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DEFAULT_PREFERENCE, THEME_SETTINGS_NAMESPACE, ThemeSettingsSchema,
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type ThemePreference, type ThemeSettings,
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} from './theme-settings.ts'
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export {
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DEFAULT_PREFERENCE, THEME_PREFERENCE_FIELD, THEME_PREFERENCES, THEME_SETTINGS_NAMESPACE,
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type ThemePreference, type ThemeSettings,
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} from './theme-settings.ts'
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const THEME_NAMESPACE = settingsNamespace(THEME_SETTINGS_NAMESPACE)
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/** Read the registered preference or use the schema default without a settings provider. */
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function readPreference(ctx: Context): ThemePreference {
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const settings = ctx.get('settings')
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if (settings === undefined) return DEFAULT_PREFERENCE
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const section = settings.get(THEME_NAMESPACE) as ThemeSettings | undefined
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if (section === undefined) return DEFAULT_PREFERENCE
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return section.preference
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}
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/**
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* Register the durable theme section and initial-theme index transform when
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* their optional Host services are composed.
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* @param ctx - Host context that may acquire settings and HTTP services.
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*/
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export function apply(ctx: Context): void {
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ctx.inject(['settings'], (settingsCtx) => {
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settingsCtx.settings.register(THEME_NAMESPACE, ThemeSettingsSchema)
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})
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ctx.inject(['httpServer'], (httpCtx) => {
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httpCtx.effect(
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() => httpCtx.httpServer.tapIndex(html => injectBootTheme(html, readPreference(ctx))),
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'client-ui-theme: initial theme bootstrap',
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)
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})
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}
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