Vendor opencode source for docker build

opencode/packages/ui/src/theme/loader.ts

@@ -0,0 +1,103 @@
+import type { DesktopTheme, ResolvedTheme } from "./types"
+import { resolveThemeVariant, themeToCss } from "./resolve"
+
+let activeTheme: DesktopTheme | null = null
+const THEME_STYLE_ID = "opencode-theme"
+
+function ensureLoaderStyleElement(): HTMLStyleElement {
+  const existing = document.getElementById(THEME_STYLE_ID) as HTMLStyleElement | null
+  if (existing) {
+    return existing
+  }
+  const element = document.createElement("style")
+  element.id = THEME_STYLE_ID
+  document.head.appendChild(element)
+  return element
+}
+
+export function applyTheme(theme: DesktopTheme, themeId?: string): void {
+  activeTheme = theme
+  const lightTokens = resolveThemeVariant(theme.light, false)
+  const darkTokens = resolveThemeVariant(theme.dark, true)
+  const targetThemeId = themeId ?? theme.id
+  const css = buildThemeCss(lightTokens, darkTokens, targetThemeId)
+  const themeStyleElement = ensureLoaderStyleElement()
+  themeStyleElement.textContent = css
+  document.documentElement.setAttribute("data-theme", targetThemeId)
+}
+
+function buildThemeCss(light: ResolvedTheme, dark: ResolvedTheme, themeId: string): string {
+  const isDefaultTheme = themeId === "oc-1"
+  const lightCss = themeToCss(light)
+  const darkCss = themeToCss(dark)
+
+  if (isDefaultTheme) {
+    return `
+:root {
+  color-scheme: light;
+  --text-mix-blend-mode: multiply;
+
+  ${lightCss}
+
+  @media (prefers-color-scheme: dark) {
+    color-scheme: dark;
+    --text-mix-blend-mode: plus-lighter;
+
+    ${darkCss}
+  }
+}
+`
+  }
+
+  return `
+html[data-theme="${themeId}"] {
+  color-scheme: light;
+  --text-mix-blend-mode: multiply;
+
+  ${lightCss}
+
+  @media (prefers-color-scheme: dark) {
+    color-scheme: dark;
+    --text-mix-blend-mode: plus-lighter;
+
+    ${darkCss}
+  }
+}
+`
+}
+
+export async function loadThemeFromUrl(url: string): Promise<DesktopTheme> {
+  const response = await fetch(url)
+  if (!response.ok) {
+    throw new Error(`Failed to load theme from ${url}: ${response.statusText}`)
+  }
+  return response.json()
+}
+
+export function getActiveTheme(): DesktopTheme | null {
+  const activeId = document.documentElement.getAttribute("data-theme")
+  if (!activeId) {
+    return null
+  }
+  if (activeTheme?.id === activeId) {
+    return activeTheme
+  }
+  return null
+}
+
+export function removeTheme(): void {
+  activeTheme = null
+  const existingElement = document.getElementById(THEME_STYLE_ID)
+  if (existingElement) {
+    existingElement.remove()
+  }
+  document.documentElement.removeAttribute("data-theme")
+}
+
+export function setColorScheme(scheme: "light" | "dark" | "auto"): void {
+  if (scheme === "auto") {
+    document.documentElement.style.removeProperty("color-scheme")
+  } else {
+    document.documentElement.style.setProperty("color-scheme", scheme)
+  }
+}